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-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/AbstractLifecycle.java77
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-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/AutowireResolutionException.java45
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/Component.java98
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ComponentNotFoundException.java41
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ComponentRuntimeException.java46
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-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/InvalidComponentTypeException.java41
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-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/Service.java97
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/SystemAtomicComponent.java37
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/TargetException.java46
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/TargetNotFoundException.java41
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/WorkContext.java66
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/DataBinding.java56
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/DataBindingRegistry.java67
-rwxr-xr-xsca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/DataPipe.java44
-rwxr-xr-xsca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/Mediator.java56
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/PullTransformer.java36
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/PushTransformer.java34
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/SimpleTypeMapper.java44
-rwxr-xr-xsca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/TransformationContext.java72
-rwxr-xr-xsca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/TransformationException.java46
-rwxr-xr-xsca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/Transformer.java49
-rwxr-xr-xsca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/TransformerRegistry.java75
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/WrapperHandler.java56
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/DOMHelper.java69
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/DataBindingExtension.java104
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/Java2SimpleTypeTransformer.java61
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/SimpleType2JavaTransformer.java69
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/SimpleTypeMapperExtension.java391
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/TransformerExtension.java66
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/XSDDataTypeConverter.java940
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/deployer/CompositeClassLoader.java52
-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/deployer/Deployer.java46
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-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/event/Event.java33
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-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Property.java105
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-rw-r--r--sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ServiceContract.java246
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181 files changed, 13536 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/AbstractLifecycle.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/AbstractLifecycle.java
new file mode 100644
index 0000000000..e8597a55fc
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/AbstractLifecycle.java
@@ -0,0 +1,77 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi;
+
+/**
+ * Base class providing a simple implementation of Lifecycle.
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class AbstractLifecycle implements Lifecycle {
+ protected volatile int lifecycleState = UNINITIALIZED;
+
+ public int getLifecycleState() {
+ return lifecycleState;
+ }
+
+ /**
+ * Set the current state of the Lifecycle.
+ *
+ * @param lifecycleState the new state
+ */
+ protected void setLifecycleState(int lifecycleState) {
+ this.lifecycleState = lifecycleState;
+ }
+
+ public void start() {
+ setLifecycleState(RUNNING);
+ }
+
+ public void stop() {
+ setLifecycleState(STOPPED);
+ }
+
+ /**
+ * Returns the current lifecycle as a String (for example, "RUNNING").
+ *
+ * @return the current lifecycle as a String
+ */
+ public String toString() {
+ switch (lifecycleState) {
+ case Lifecycle.CONFIG_ERROR:
+ return "CONFIG_ERROR";
+ case Lifecycle.ERROR:
+ return "ERROR";
+ case Lifecycle.INITIALIZING:
+ return "INITIALIZING";
+ case Lifecycle.INITIALIZED:
+ return "INITIALIZED";
+ case Lifecycle.RUNNING:
+ return "RUNNING";
+ case Lifecycle.STOPPING:
+ return "STOPPING";
+ case Lifecycle.STOPPED:
+ return "STOPPED";
+ case Lifecycle.UNINITIALIZED:
+ return "UNINITIALIZED";
+ default:
+ return "UNKNOWN";
+ }
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/CoreRuntimeException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/CoreRuntimeException.java
new file mode 100644
index 0000000000..74a076778e
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/CoreRuntimeException.java
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi;
+
+import org.apache.tuscany.api.TuscanyRuntimeException;
+
+/**
+ * The root exception for the runtime package. Exceptions occurring in the runtime are generally non-recoverable
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class CoreRuntimeException extends TuscanyRuntimeException {
+
+ public CoreRuntimeException() {
+ super();
+ }
+
+ public CoreRuntimeException(String message) {
+ super(message);
+ }
+
+ public CoreRuntimeException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public CoreRuntimeException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/InvalidNameException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/InvalidNameException.java
new file mode 100644
index 0000000000..28bc8652b2
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/InvalidNameException.java
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi;
+
+/**
+ * Denotes an invalid name
+ *
+ * @version $Rev$ $Date$
+ */
+public class InvalidNameException extends CoreRuntimeException {
+
+ public InvalidNameException() {
+ super();
+ }
+
+ public InvalidNameException(String message) {
+ super(message);
+ }
+
+ public InvalidNameException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public InvalidNameException(Throwable cause) {
+ super(cause);
+ }
+
+}
+
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/Lifecycle.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/Lifecycle.java
new file mode 100644
index 0000000000..94e7d2027f
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/Lifecycle.java
@@ -0,0 +1,69 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi;
+
+/**
+ * Implementations adhere to runtime lifecycle semantics
+ *
+ * @version $Rev$ $Date$
+ */
+public interface Lifecycle {
+ /* A configuration error state */
+ int CONFIG_ERROR = -1;
+ /* Has not been initialized */
+ int UNINITIALIZED = 0;
+ /* In the process of being configured and initialized */
+ int INITIALIZING = 1;
+ /* Instantiated and configured */
+ int INITIALIZED = 2;
+ /* Configured and initialized */
+ int RUNNING = 4;
+ /* In the process of being shutdown */
+ int STOPPING = 5;
+ /* Has been shutdown and removed from the module */
+ int STOPPED = 6;
+ /* In an error state */
+ int ERROR = 7;
+
+ /**
+ * Returns the lifecycle state
+ *
+ * @see #UNINITIALIZED
+ * @see #INITIALIZING
+ * @see #INITIALIZED
+ * @see #RUNNING
+ * @see #STOPPING
+ * @see #STOPPED
+ */
+ int getLifecycleState();
+
+ /**
+ * Starts the Lifecycle.
+ *
+ * @throws CoreRuntimeException
+ */
+ void start() throws CoreRuntimeException;
+
+ /**
+ * Stops the Lifecycle.
+ *
+ * @throws CoreRuntimeException
+ */
+ void stop() throws CoreRuntimeException;
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/ObjectCreationException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/ObjectCreationException.java
new file mode 100644
index 0000000000..635a5f9090
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/ObjectCreationException.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi;
+
+import org.apache.tuscany.api.TuscanyRuntimeException;
+
+/**
+ * Denotes an error creating a new object instance
+ *
+ * @version $Rev$ $Date$
+ */
+public class ObjectCreationException extends TuscanyRuntimeException {
+ private static final long serialVersionUID = -6423113430265944499L;
+
+ public ObjectCreationException() {
+ super();
+ }
+
+ public ObjectCreationException(String message) {
+ super(message);
+ }
+
+ public ObjectCreationException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public ObjectCreationException(Throwable cause) {
+ super(cause);
+ }
+
+}
+
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/ObjectFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/ObjectFactory.java
new file mode 100644
index 0000000000..d505e14f61
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/ObjectFactory.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi;
+
+/**
+ * Implementations create new instances of a particular type
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ObjectFactory<T> {
+
+ /**
+ * Return a instance of the type that this factory creates.
+ *
+ * @return a instance from this factory
+ */
+ T getInstance() throws ObjectCreationException;
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/QualifiedName.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/QualifiedName.java
new file mode 100644
index 0000000000..ec1c181afc
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/QualifiedName.java
@@ -0,0 +1,84 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi;
+
+/**
+ * An evaluated name consisting of a part/port pair. In the runtime, a part generally 'contains' or 'provides' ports
+ * such as a component/service point or a component/reference pair.
+ *
+ * @version $Rev$ $Date$
+ */
+public class QualifiedName {
+ public static final String NAME_SEPARATOR = "/";
+
+ private String qName;
+ private String partName;
+ private String portName;
+
+ /**
+ * Constructs a new qualified name in the form of part/port where part is the parent context and port represents a
+ * child, which is either a service in the case of an atomic context or a contained context in the case of a
+ * composite.
+ *
+ * @throws InvalidNameException if the name is in an invalid format
+ */
+ public QualifiedName(String qualifiedName) throws InvalidNameException {
+ if (qualifiedName == null) {
+ return;
+ }
+ int pos = qualifiedName.indexOf(QualifiedName.NAME_SEPARATOR);
+ switch (pos) {
+ case -1:
+ partName = qualifiedName;
+ break;
+ case 0:
+ throw new InvalidNameException(qualifiedName);
+ default:
+ partName = qualifiedName.substring(0, pos);
+ portName = qualifiedName.substring(pos + 1);
+ break;
+ }
+ qName = qualifiedName;
+ }
+
+ /**
+ * Returns the parsed part name
+ */
+ public String getPartName() {
+ return partName;
+ }
+
+ /**
+ * Returns the parsed port name if the original is of the compound for part/port
+ */
+ public String getPortName() {
+ return portName;
+ }
+
+ /**
+ * Returns the full part/port name pair
+ */
+ public String getQualifiedName() {
+ return qName;
+ }
+
+ public String toString() {
+ return qName;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/annotation/Autowire.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/annotation/Autowire.java
new file mode 100644
index 0000000000..0e48f1bc1b
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/annotation/Autowire.java
@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.annotation;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import java.lang.annotation.Retention;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+import java.lang.annotation.Target;
+
+/**
+ * A system annotation to inject an autowired instance
+ *
+ * @version $Rev$ $Date$
+ */
+@Target({METHOD, FIELD, PARAMETER})
+@Retention(RUNTIME)
+public @interface Autowire {
+ /**
+ * The name of the autowire. If not specified then the name will be derived from the annotated field.
+ */
+ String name() default "";
+
+ /**
+ * Indicates if a reference must be specified.
+ */
+ boolean required() default true;
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/bootstrap/ComponentNames.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/bootstrap/ComponentNames.java
new file mode 100644
index 0000000000..5fd9be89b6
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/bootstrap/ComponentNames.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.bootstrap;
+
+/**
+ * Class that defines the names of well known component
+ *
+ * @version $Rev$ $Date$
+ */
+public final class ComponentNames {
+ /**
+ * The name of the component that forms the root of the runtime tree.
+ */
+ public static final String TUSCANY_RUNTIME = "tuscany.runtime";
+
+ /**
+ * The name of the component that forms the root of the application context tree.
+ */
+ public static final String TUSCANY_ROOT = "tuscany.root";
+
+ /**
+ * The name of the component that form the root of the system context tree.
+ */
+ public static final String TUSCANY_SYSTEM = "tuscany.system";
+
+ /**
+ * The name of the component that contains the deployer.
+ */
+ public static final String TUSCANY_DEPLOYER = "tuscany.deployer";
+
+ private ComponentNames() {
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/bootstrap/RuntimeComponent.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/bootstrap/RuntimeComponent.java
new file mode 100644
index 0000000000..380abb474b
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/bootstrap/RuntimeComponent.java
@@ -0,0 +1,53 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.bootstrap;
+
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.deployer.Deployer;
+
+/**
+ * Interface that represents the Tuscany runtime.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface RuntimeComponent extends CompositeComponent {
+ /**
+ * Returns the component that forms the root of the user component tree. All user components will be managed by
+ * composites that are children of this root.
+ *
+ * @return the root of the user component tree
+ */
+ CompositeComponent getRootComponent();
+
+ /**
+ * Returns the component that forms the root of the system component tree. All system components, components that
+ * provide system services needed by the Tuscany runtime itself, will be managed by composites that are children of
+ * this root.
+ *
+ * @return the root of the system component tree
+ */
+ CompositeComponent getSystemComponent();
+
+ /**
+ * Returns the deployer for this runtime. This interface can be used to deploy new SCA bundles to the runtime.
+ *
+ * @return the deployer for this runtime
+ */
+ Deployer getDeployer();
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/BindingBuilder.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/BindingBuilder.java
new file mode 100644
index 0000000000..9586cdb6fd
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/BindingBuilder.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.builder;
+
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.component.Reference;
+import org.apache.tuscany.spi.component.Service;
+import org.apache.tuscany.spi.deployer.DeploymentContext;
+import org.apache.tuscany.spi.model.Binding;
+import org.apache.tuscany.spi.model.BoundReferenceDefinition;
+import org.apache.tuscany.spi.model.BoundServiceDefinition;
+
+/**
+ * Responsible for processing a service or reference in an assembly configured with a particular binding. The builder
+ * will create and return corresponding {@link org.apache.tuscany.spi.component.Service} or {@link
+ * org.apache.tuscany.spi.component.Reference}
+ *
+ * @version $Rev$ $Date$
+ */
+public interface BindingBuilder<B extends Binding> {
+ Service build(CompositeComponent parent,
+ BoundServiceDefinition<B> boundServiceDefinition,
+ DeploymentContext deploymentContext);
+
+ Reference build(CompositeComponent parent,
+ BoundReferenceDefinition<B> boundReferenceDefinition,
+ DeploymentContext deploymentContext);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/BindlessBuilder.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/BindlessBuilder.java
new file mode 100644
index 0000000000..94ddb39a59
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/BindlessBuilder.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.builder;
+
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.component.Reference;
+import org.apache.tuscany.spi.component.Service;
+import org.apache.tuscany.spi.deployer.DeploymentContext;
+import org.apache.tuscany.spi.model.BindlessServiceDefinition;
+import org.apache.tuscany.spi.model.ReferenceDefinition;
+
+/**
+ * Responsible for processing a service or reference in an assembly configured without any binding. The builder
+ * will create and return corresponding {@link org.apache.tuscany.spi.component.Service} or {@link
+ * org.apache.tuscany.spi.component.Reference}
+ *
+ * @version $Rev$ $Date$
+ */
+public interface BindlessBuilder {
+
+ Service build(CompositeComponent parent,
+ BindlessServiceDefinition serviceDefinition,
+ DeploymentContext deploymentContext);
+
+ Reference build(CompositeComponent parent,
+ ReferenceDefinition referenceDefinition,
+ DeploymentContext deploymentContext);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/Builder.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/Builder.java
new file mode 100644
index 0000000000..c1d314297e
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/Builder.java
@@ -0,0 +1,82 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.builder;
+
+import org.apache.tuscany.spi.component.Component;
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.component.SCAObject;
+import org.apache.tuscany.spi.deployer.DeploymentContext;
+import org.apache.tuscany.spi.model.Binding;
+import org.apache.tuscany.spi.model.BindlessServiceDefinition;
+import org.apache.tuscany.spi.model.BoundReferenceDefinition;
+import org.apache.tuscany.spi.model.BoundServiceDefinition;
+import org.apache.tuscany.spi.model.ComponentDefinition;
+import org.apache.tuscany.spi.model.Implementation;
+import org.apache.tuscany.spi.model.ReferenceDefinition;
+
+/**
+ * Implementations build <code>SCAObject</code> types from model objects.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface Builder {
+ /**
+ * Builds a <code>Component</code> context from a <code>ComponentDefinition</code>
+ *
+ * @param parent the composite that will be the parent of the newly built component
+ * @param componentDefinition the component definition as parsed from an SCA assembly
+ * @param deploymentContext the current deployment context
+ * @return a newly created component
+ */
+ <I extends Implementation<?>> Component build(CompositeComponent parent,
+ ComponentDefinition<I> componentDefinition,
+ DeploymentContext deploymentContext);
+
+ /**
+ * TODO: JavaDoc this when we know if we will still register Services as contexts
+ */
+ <B extends Binding> SCAObject build(CompositeComponent parent,
+ BoundServiceDefinition<B> boundServiceDefinition,
+ DeploymentContext deploymentContext);
+
+ /**
+ * TODO: JavaDoc this when we know if we will still register References as contexts
+ */
+ <B extends Binding> SCAObject build(CompositeComponent parent,
+ BoundReferenceDefinition<B> boundReferenceDefinition,
+ DeploymentContext deploymentContext);
+
+ /**
+ * TODO: Make sure that this method belongs here
+ * Allow a builder registry to provide building of bindless services via
+ * appropriate registered builder
+ */
+ SCAObject build(CompositeComponent parent,
+ BindlessServiceDefinition serviceDefinition,
+ DeploymentContext deploymentContext);
+
+ /**
+ * TODO: Make sure that this method belongs here
+ * Allow a builder registry to provide building of targetless references via
+ * appropriate registered builder
+ */
+ SCAObject build(CompositeComponent parent,
+ ReferenceDefinition referenceDefinition,
+ DeploymentContext deploymentContext);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/BuilderConfigException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/BuilderConfigException.java
new file mode 100644
index 0000000000..e4c07e53f9
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/BuilderConfigException.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.builder;
+
+/**
+ * Represents an error processing an assembly model
+ *
+ * @version $Rev$ $Date$
+ */
+public class BuilderConfigException extends BuilderException {
+
+ public BuilderConfigException() {
+ super();
+ }
+
+ public BuilderConfigException(String message) {
+ super(message);
+ }
+
+ public BuilderConfigException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public BuilderConfigException(Throwable cause) {
+ super(cause);
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/BuilderException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/BuilderException.java
new file mode 100644
index 0000000000..6e5e6ab124
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/BuilderException.java
@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.builder;
+
+import org.apache.tuscany.spi.CoreRuntimeException;
+
+/**
+ * The root exception for the builder package. Builder exceptions denote a non-recoverable failure.
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class BuilderException extends CoreRuntimeException {
+
+ public BuilderException() {
+ super();
+ }
+
+ public BuilderException(String message) {
+ super(message);
+ }
+
+ public BuilderException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public BuilderException(Throwable cause) {
+ super(cause);
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/BuilderRegistry.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/BuilderRegistry.java
new file mode 100644
index 0000000000..9d75f360d4
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/BuilderRegistry.java
@@ -0,0 +1,62 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.builder;
+
+import org.apache.tuscany.spi.model.Binding;
+import org.apache.tuscany.spi.model.Implementation;
+
+/**
+ * Maintains a registry of builders in the runtime, dispatching to the appropriate one as an assembly model is processed
+ * into runtime artifacts
+ *
+ * @version $Rev$ $Date$
+ */
+public interface BuilderRegistry extends Builder {
+
+ /**
+ * Register a builder for an implementation type.
+ *
+ * @param implClass the type of implementation that this builder can handle
+ * @param builder the builder to be registered
+ */
+ <I extends Implementation<?>> void register(Class<I> implClass, ComponentBuilder<I> builder);
+
+ /**
+ * Unregister a builder for an implementation type.
+ *
+ * @param implClass the implementation whose builder should be unregistered
+ */
+ <I extends Implementation<?>> void unregister(Class<I> implClass);
+
+ /**
+ * TODO: JavaDoc this once we know if we will be building contexts for bindings
+ */
+ <B extends Binding> void register(BindingBuilder<B> builder);
+
+ /**
+ * TODO: JavaDoc this once we know if we will be building contexts for bindings
+ */
+ <B extends Binding> void register(Class<B> implClass, BindingBuilder<B> builder);
+
+ /**
+ * TODO: Make sure this belongs here
+ */
+ void register(BindlessBuilder builder);
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/ComponentBuilder.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/ComponentBuilder.java
new file mode 100644
index 0000000000..ca1e25e8b1
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/ComponentBuilder.java
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.builder;
+
+import org.apache.tuscany.spi.component.Component;
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.deployer.DeploymentContext;
+import org.apache.tuscany.spi.model.ComponentDefinition;
+import org.apache.tuscany.spi.model.Implementation;
+
+/**
+ * Responsible for building a {@link Component} from an atomic or composite component configured in an assembly
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ComponentBuilder<I extends Implementation<?>> {
+ Component build(CompositeComponent parent,
+ ComponentDefinition<I> componentDefinition,
+ DeploymentContext deploymentContext) throws BuilderConfigException;
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/Connector.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/Connector.java
new file mode 100644
index 0000000000..07ea5352ff
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/Connector.java
@@ -0,0 +1,51 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.builder;
+
+import org.apache.tuscany.spi.component.SCAObject;
+import org.apache.tuscany.spi.wire.InboundWire;
+import org.apache.tuscany.spi.wire.OutboundWire;
+
+/**
+ * Implementations are responsible for bridging invocation chains as an assembly is converted to runtime artifacts
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public interface Connector {
+
+ /**
+ * Connects the given source's wires to corresponding wires to a target. Wires are connected by bridging invocation
+ * chains.
+ *
+ * @param source the source, i.e. a <code>Service</code>, <code>Component</code>, or <code>Reference</code>
+ */
+ void connect(SCAObject source);
+
+ /**
+ * Bridges the invocation chains associated with an inbound and outbound wire.
+ *
+ * @param inbound the wire to bridge from
+ * @param outbound the target wire
+ * @param optimizable if the bridge may be optimized
+ * @throws BuilderConfigException
+ */
+ void connect(InboundWire inbound, OutboundWire outbound, boolean optimizable)
+ throws BuilderConfigException;
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/InvalidServiceInterfaceException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/InvalidServiceInterfaceException.java
new file mode 100644
index 0000000000..78bb5a5cc8
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/InvalidServiceInterfaceException.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.builder;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class InvalidServiceInterfaceException extends BuilderConfigException {
+ private final Class<?> interfaceClass;
+
+ public InvalidServiceInterfaceException(String message, Class<?> interfaceClass) {
+ super(message);
+ this.interfaceClass = interfaceClass;
+ }
+
+ public Class<?> getInterfaceClass() {
+ return interfaceClass;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/PostProcessingException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/PostProcessingException.java
new file mode 100644
index 0000000000..6868a7b2d5
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/PostProcessingException.java
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.builder;
+
+/**
+ * Denotes an error during post-processing of a wire
+ *
+ * @version $Rev$ $Date$
+ */
+public class PostProcessingException extends BuilderException {
+ public PostProcessingException() {
+ }
+
+ public PostProcessingException(String message) {
+ super(message);
+ }
+
+ public PostProcessingException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public PostProcessingException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/WirePostProcessor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/WirePostProcessor.java
new file mode 100644
index 0000000000..26de89a9f1
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/WirePostProcessor.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.builder;
+
+import org.apache.tuscany.spi.wire.InboundWire;
+import org.apache.tuscany.spi.wire.OutboundWire;
+
+/**
+ * Implementations are called after inbound and outbound wires are decorated with policy and before they are connected.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface WirePostProcessor {
+
+ /**
+ * @param source
+ * @param target
+ */
+ void process(OutboundWire source, InboundWire target);
+
+ /**
+ * @param source
+ * @param target
+ */
+ void process(InboundWire source, OutboundWire target);
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/WirePostProcessorExtension.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/WirePostProcessorExtension.java
new file mode 100644
index 0000000000..0795c5783a
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/WirePostProcessorExtension.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.builder;
+
+import org.osoa.sca.annotations.Init;
+import org.osoa.sca.annotations.Scope;
+
+import org.apache.tuscany.spi.annotation.Autowire;
+
+@Scope("MODULE")
+/**
+ * @version $Rev$ $Date$
+ */
+public abstract class WirePostProcessorExtension implements WirePostProcessor {
+
+ protected WirePostProcessorRegistry registry;
+
+ @Autowire
+ public void setRegistry(WirePostProcessorRegistry registry) {
+ this.registry = registry;
+ }
+
+ @Init(eager = true)
+ public void init() {
+ registry.register(this);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/WirePostProcessorRegistry.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/WirePostProcessorRegistry.java
new file mode 100644
index 0000000000..a1750943eb
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/builder/WirePostProcessorRegistry.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.builder;
+
+/**
+ * Acts as a delegating <code>WirePostProcessor</code>, delegating post-processing of wires after policies have been
+ * applied and source an targets have been matched but before they are connected.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface WirePostProcessorRegistry extends WirePostProcessor {
+
+
+ /**
+ * Registers a post-processor in the runtime
+ *
+ * @param processor the processor to register
+ */
+ void register(WirePostProcessor processor);
+
+ /**
+ * De-registers a post-processor in the runtime
+ *
+ * @param processor the processor to de-register
+ */
+ void unregister(WirePostProcessor processor);
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/AbstractSCAObject.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/AbstractSCAObject.java
new file mode 100644
index 0000000000..d7de7c0d6b
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/AbstractSCAObject.java
@@ -0,0 +1,122 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.CopyOnWriteArrayList;
+
+import org.apache.tuscany.spi.AbstractLifecycle;
+import org.apache.tuscany.spi.event.Event;
+import org.apache.tuscany.spi.event.EventFilter;
+import org.apache.tuscany.spi.event.RuntimeEventListener;
+import org.apache.tuscany.spi.event.TrueFilter;
+
+/**
+ * Functionality common to all <code>SCAObject<code> implementations
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class AbstractSCAObject extends AbstractLifecycle implements SCAObject {
+ protected static final EventFilter TRUE_FILTER = new TrueFilter();
+
+ protected Map<EventFilter, List<RuntimeEventListener>> listeners;
+ protected final CompositeComponent parent;
+ private final String name;
+ private final Map<Object, Object> extensions = new HashMap<Object, Object>();
+
+ public AbstractSCAObject(String name, CompositeComponent parent) {
+ this.name = name;
+ this.parent = parent;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public CompositeComponent getParent() {
+ return parent;
+ }
+
+ public void addListener(RuntimeEventListener listener) {
+ addListener(TRUE_FILTER, listener);
+ }
+
+ public void removeListener(RuntimeEventListener listener) {
+ assert listener != null : "Listener cannot be null";
+ synchronized (getListeners()) {
+ for (List<RuntimeEventListener> currentList : getListeners().values()) {
+ for (RuntimeEventListener current : currentList) {
+ if (current == listener) {
+ currentList.remove(current);
+ return;
+ }
+ }
+ }
+ }
+ }
+
+ public void addListener(EventFilter filter, RuntimeEventListener listener) {
+ assert listener != null : "Listener cannot be null";
+ synchronized (getListeners()) {
+ List<RuntimeEventListener> list = getListeners().get(filter);
+ if (list == null) {
+ list = new CopyOnWriteArrayList<RuntimeEventListener>();
+ listeners.put(filter, list);
+ }
+ list.add(listener);
+ }
+ }
+
+ public void publish(Event event) {
+ assert event != null : "Event object was null";
+ for (Map.Entry<EventFilter, List<RuntimeEventListener>> entry : getListeners().entrySet()) {
+ if (entry.getKey().match(event)) {
+ for (RuntimeEventListener listener : entry.getValue()) {
+ listener.onEvent(event);
+ }
+ }
+ }
+ }
+
+ protected Map<EventFilter, List<RuntimeEventListener>> getListeners() {
+ if (listeners == null) {
+ listeners = new ConcurrentHashMap<EventFilter, List<RuntimeEventListener>>();
+ }
+ return listeners;
+ }
+
+ public void prepare() {
+
+ }
+
+ public String toString() {
+ return "[" + name + "] in state [" + super.toString() + ']';
+ }
+
+ public Map<Object, Object> getExtensions() {
+ return extensions;
+ }
+
+ public boolean isSystem() {
+ return false;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/AtomicComponent.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/AtomicComponent.java
new file mode 100644
index 0000000000..532debddeb
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/AtomicComponent.java
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+import org.apache.tuscany.spi.ObjectCreationException;
+
+/**
+ * The runtime instantiation of an SCA atomic, or leaf-type, component
+ *
+ * @version $Rev$ $Date$
+ */
+public interface AtomicComponent extends Component {
+
+ /**
+ * Returns whether component instances should be eagerly initialized
+ */
+ boolean isEagerInit();
+
+ /**
+ * Returns the initialization level for this component.
+ *
+ * @return the initialization level for this component
+ * @see org.apache.tuscany.spi.model.ComponentDefinition#getInitLevel()
+ */
+ int getInitLevel();
+
+ /**
+ * Notifies the given instance of an initialization event
+ *
+ * @throws TargetException
+ */
+ void init(Object instance) throws TargetException;
+
+ /**
+ * Notifies the given instance of a destroy event
+ *
+ * @throws TargetException
+ */
+ void destroy(Object instance) throws TargetException;
+
+ /**
+ * Creates a new implementation instance, generally used as a callback by a {@link
+ * org.apache.tuscany.spi.component.ScopeContainer}
+ *
+ * @throws ObjectCreationException
+ */
+ Object createInstance() throws ObjectCreationException;
+
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/AutowireResolutionException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/AutowireResolutionException.java
new file mode 100644
index 0000000000..00e1392a9c
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/AutowireResolutionException.java
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+/**
+ * Denotes an exception while resolving an automatic wire
+ *
+ * @version $Rev$ $Date$
+ */
+public class AutowireResolutionException extends TargetException {
+
+ public AutowireResolutionException() {
+ super();
+ }
+
+ public AutowireResolutionException(String message) {
+ super(message);
+ }
+
+ public AutowireResolutionException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public AutowireResolutionException(Throwable cause) {
+ super(cause);
+ }
+
+}
+
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/Component.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/Component.java
new file mode 100644
index 0000000000..2f4453eb41
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/Component.java
@@ -0,0 +1,98 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+import java.util.List;
+import java.util.Map;
+
+import org.apache.tuscany.spi.model.Operation;
+import org.apache.tuscany.spi.wire.InboundWire;
+import org.apache.tuscany.spi.wire.OutboundWire;
+import org.apache.tuscany.spi.wire.TargetInvoker;
+
+/**
+ * The runtime instantiation of an SCA component
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public interface Component extends SCAObject {
+
+ /**
+ * Returns a service associated with the given name
+ *
+ * @throws TargetException if an error occurs retrieving the service instance
+ */
+ Object getServiceInstance(String name) throws TargetException;
+
+ /**
+ * Returns the service interfaces implemented by the component
+ */
+ List<Class<?>> getServiceInterfaces();
+
+ /**
+ * Adds a target-side wire. Target-side wire factories contain the invocation chains associated with the destination
+ * service of a wire
+ */
+ void addInboundWire(InboundWire wire);
+
+ /**
+ * Returns the target-side wire associated with the given service name
+ */
+ InboundWire getInboundWire(String serviceName);
+
+ /**
+ * Returns a map of inbound wires for a service.
+ */
+ Map<String, InboundWire> getInboundWires();
+
+ /**
+ * Adds a source-side wire for the given reference. Source-side wires contain the invocation chains for a reference
+ * in the implementation associated with the instance wrapper created by this configuration.
+ */
+ void addOutboundWire(OutboundWire wire);
+
+ /**
+ * Adds a set of source-side multiplicity wires for the given reference. Source-side wires contain the invocation
+ * chains for a reference in the implementation associated with the instance wrapper created by this configuration.
+ */
+ void addOutboundWires(Class<?> multiplicityClass, List<OutboundWire> wires);
+
+ /**
+ * Returns a map of source-side wires for references. There may be 1..n wires per reference.
+ */
+ Map<String, List<OutboundWire>> getOutboundWires();
+
+ /**
+ * Callback to create a {@link org.apache.tuscany.spi.wire.TargetInvoker} which dispatches to a service offered by
+ * the component
+ *
+ * @param targetName
+ * @param operation the operation to invoke
+ */
+ TargetInvoker createTargetInvoker(String targetName, Operation operation);
+
+ /**
+ * Callback to create a {@link org.apache.tuscany.spi.wire.TargetInvoker} which dispatches to a service offered by
+ * the component
+ *
+ * @param operation the operation to invoke
+ */
+ TargetInvoker createAsyncTargetInvoker(InboundWire wire, Operation operation);
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ComponentNotFoundException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ComponentNotFoundException.java
new file mode 100644
index 0000000000..a71fe5aeba
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ComponentNotFoundException.java
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+/**
+ * Thrown when a component cannot be found
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public class ComponentNotFoundException extends ComponentRuntimeException {
+ public ComponentNotFoundException() {
+ }
+
+ public ComponentNotFoundException(String message) {
+ super(message);
+ }
+
+ public ComponentNotFoundException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public ComponentNotFoundException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ComponentRuntimeException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ComponentRuntimeException.java
new file mode 100644
index 0000000000..3b17229bed
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ComponentRuntimeException.java
@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+import org.apache.tuscany.spi.CoreRuntimeException;
+
+/**
+ * An unchecked exception encountered by an {@link SCAObject}
+ *
+ * @version $Rev$ $Date$
+ */
+public class ComponentRuntimeException extends CoreRuntimeException {
+
+ public ComponentRuntimeException() {
+ super();
+ }
+
+ public ComponentRuntimeException(String message) {
+ super(message);
+ }
+
+ public ComponentRuntimeException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public ComponentRuntimeException(Throwable cause) {
+ super(cause);
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/CompositeComponent.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/CompositeComponent.java
new file mode 100644
index 0000000000..1f847b319a
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/CompositeComponent.java
@@ -0,0 +1,184 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+import java.util.List;
+
+import org.w3c.dom.Document;
+
+import org.apache.tuscany.spi.event.RuntimeEventListener;
+
+/**
+ * The runtime instantiation of an SCA composite component. Composites may contain child components, offer services, and
+ * have references. Children are contained in two namespaces, an application namespace for end-user components deployed
+ * to a runtime, and a system namespace for components that provide system services.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface CompositeComponent extends Component, RuntimeEventListener {
+
+ /**
+ * Registers a child of this composite.
+ *
+ * @param context the context to add as a child
+ * @throws InvalidComponentTypeException
+ */
+ void register(SCAObject context) throws InvalidComponentTypeException;
+
+ /**
+ * Register a simple Java Object as a system component. This is primarily intended for use by bootstrap code to
+ * create the initial configuration components.
+ *
+ * @param name the name of the resulting component
+ * @param service the service interface the component should expose
+ * @param instance the Object that will become the component's implementation
+ * @throws ObjectRegistrationException
+ */
+ <S, I extends S> void registerJavaObject(String name, Class<S> service, I instance)
+ throws ObjectRegistrationException;
+
+ /**
+ * Returns the child associated with a given name
+ */
+ SCAObject getChild(String name);
+
+ /**
+ * Returns the system child associated with a given name
+ */
+ SCAObject getSystemChild(String name);
+
+ /**
+ * Returns the children contained by the composite
+ */
+ List<SCAObject> getChildren();
+
+ /**
+ * Returns the system children contained by the composite
+ */
+ List<SCAObject> getSystemChildren();
+
+ /**
+ * Returns the services contained by the composite
+ */
+ List<Service> getServices();
+
+ /**
+ * Returns the system services contained by the composite
+ */
+ List<Service> getSystemServices();
+
+ /**
+ * Returns the service associated with the given name
+ *
+ * @throws ComponentNotFoundException
+ */
+ Service getService(String name) throws ComponentNotFoundException;
+
+ /**
+ * Returns the system service associated with the given name
+ *
+ * @throws ComponentNotFoundException
+ */
+ Service getSystemService(String name) throws ComponentNotFoundException;
+
+ /**
+ * Returns a system service associated with the given name
+ *
+ * @throws TargetException if an error occurs retrieving the service instance
+ */
+ Object getSystemServiceInstance(String name) throws TargetException;
+
+ /**
+ * Returns the references contained by the composite
+ */
+ List<Reference> getReferences();
+
+ /**
+ * Returns the system references contained by the composite
+ */
+ List<Reference> getSystemReferences();
+
+ /**
+ * Returns the service instance for associated with the child registered for the given name
+ */
+ <T> T locateService(Class<T> serviceInterface, String serviceName);
+
+ /**
+ * Returns the system service instance for associated with the child registered for the given name
+ */
+ <T> T locateSystemService(Class<T> serviceInterface, String serviceName);
+
+ /**
+ * @param scopeContainer
+ */
+ void setScopeContainer(ScopeContainer scopeContainer);
+
+ /**
+ * Returns the value of a Property of this composite.
+ *
+ * @param name the name of the Property
+ * @return its value, or null if there is not such property or if it has no defined value
+ */
+ Document getPropertyValue(String name);
+
+ /**
+ * Invoked by child components to return an an autowire target. Resolved targets may be services or components in
+ * the parent or its ancestors, or references in a sibling component
+ *
+ * @param instanceInterface the type of service being requested
+ * @return a reference to the requested service or null if none can be found
+ * @throws AutowireResolutionException if an error occurs attempting to resolve an autowire
+ */
+ <T> T resolveInstance(Class<T> instanceInterface) throws AutowireResolutionException;
+
+ /**
+ * Invoked by system child components to return an an autowire target. Resolved targets may be system services or
+ * components in the parent or its ancestors, or references in a sibling component
+ *
+ * @param instanceInterface the type of service being requested
+ * @return a reference to the requested service or null if none can be found
+ * @throws AutowireResolutionException if an error occurs attempting to resolve an autowire
+ */
+ <T> T resolveSystemInstance(Class<T> instanceInterface) throws AutowireResolutionException;
+
+ /**
+ * Invoked by a parent component to return an autowire target in a child. Resolved targets must be services. For
+ * example, given a parent P and two siblings, A and B, A would request an autowire by invoking {@link
+ * #resolveInstance(Class<T>)} on P, which in turn could invoke the present method on B in order to resolve a
+ * target.
+ *
+ * @param instanceInterface the type of service being requested
+ * @return a reference to the requested service or null if none can be found
+ * @throws AutowireResolutionException if an error occurs attempting to resolve an autowire
+ */
+ <T> T resolveExternalInstance(Class<T> instanceInterface) throws AutowireResolutionException;
+
+ /**
+ * Invoked by a parent component to return a system autowire target in a child. Resolved targets must be system
+ * services. For example, given a parent P and two siblings, A and B, A would request an autowire by invoking {@link
+ * #resolveInstance(Class<T>)} on P, which in turn could invoke the present method on B in order to resolve a
+ * target.
+ *
+ * @param instanceInterface the type of service being requested
+ * @return a reference to the requested service or null if none can be found
+ * @throws AutowireResolutionException if an error occurs attempting to resolve an autowire
+ */
+ <T> T resolveSystemExternalInstance(Class<T> instanceInterface) throws AutowireResolutionException;
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/DuplicateNameException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/DuplicateNameException.java
new file mode 100644
index 0000000000..f6c71b078b
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/DuplicateNameException.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+/**
+ * Denotes an attempt to add an child to a composite component with a name equal to an existing child
+ *
+ * @version $Rev$ $Date$
+ */
+public class DuplicateNameException extends ComponentRuntimeException {
+
+ public DuplicateNameException() {
+ super();
+ }
+
+ public DuplicateNameException(String message) {
+ super(message);
+ }
+
+ public DuplicateNameException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public DuplicateNameException(Throwable cause) {
+ super(cause);
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/IllegalTargetException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/IllegalTargetException.java
new file mode 100644
index 0000000000..8ed3f68e1f
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/IllegalTargetException.java
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+/**
+ * Thrown when a target for an operation is not of the required type
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public class IllegalTargetException extends TargetException {
+ public IllegalTargetException() {
+ }
+
+ public IllegalTargetException(String message) {
+ super(message);
+ }
+
+ public IllegalTargetException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public IllegalTargetException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/InvalidComponentTypeException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/InvalidComponentTypeException.java
new file mode 100644
index 0000000000..6ad53f08b0
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/InvalidComponentTypeException.java
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+/**
+ * Thrown when an operation is attempted using the wrong context type
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public class InvalidComponentTypeException extends ComponentRuntimeException {
+ public InvalidComponentTypeException() {
+ }
+
+ public InvalidComponentTypeException(String message) {
+ super(message);
+ }
+
+ public InvalidComponentTypeException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public InvalidComponentTypeException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ObjectRegistrationException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ObjectRegistrationException.java
new file mode 100644
index 0000000000..66547e3143
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ObjectRegistrationException.java
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+/**
+ * Thrown when an error is encountered registering an object
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public class ObjectRegistrationException extends ComponentRuntimeException {
+ public ObjectRegistrationException() {
+ }
+
+ public ObjectRegistrationException(String message) {
+ super(message);
+ }
+
+ public ObjectRegistrationException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public ObjectRegistrationException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/Reference.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/Reference.java
new file mode 100644
index 0000000000..44eb112d56
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/Reference.java
@@ -0,0 +1,104 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+import org.apache.tuscany.spi.model.Operation;
+import org.apache.tuscany.spi.model.ServiceContract;
+import org.apache.tuscany.spi.wire.InboundWire;
+import org.apache.tuscany.spi.wire.OutboundWire;
+import org.apache.tuscany.spi.wire.TargetInvoker;
+import org.apache.tuscany.spi.wire.WireInvocationHandler;
+
+/**
+ * Manages an SCA reference configured with a binding
+ *
+ * @version $Rev$ $Date$
+ */
+public interface Reference extends SCAObject {
+
+ /**
+ * Returns the service interface configured for the reference
+ */
+ Class<?> getInterface();
+
+ /**
+ * Returns the handler responsible for flowing a request through the reference
+ *
+ * @throws TargetException
+ */
+ WireInvocationHandler getHandler() throws TargetException;
+
+ /**
+ * Returns the inbound wire for flowing a request through the reference
+ */
+ InboundWire getInboundWire();
+
+ /**
+ * Sets the inbound wire for flowing a request through the reference
+ */
+ void setInboundWire(InboundWire wire);
+
+ /**
+ * Returns the outbound wire used by the reference to connect to a target
+ */
+ OutboundWire getOutboundWire();
+
+ /**
+ * Sets the outbound wire used by the reference to connect to a target
+ */
+ void setOutboundWire(OutboundWire wire);
+
+ /**
+ * Callback to create a {@link org.apache.tuscany.spi.wire.TargetInvoker} which dispatches to the target service of
+ * the reference
+ *
+ * @param contract the service contract to invoke on
+ * @param operation the operation to invoke
+ */
+ TargetInvoker createTargetInvoker(ServiceContract contract, Operation operation);
+
+ /**
+ * Creates a target invoker for callbacks
+ */
+ TargetInvoker createCallbackTargetInvoker(ServiceContract contract, Operation operation);
+
+ /**
+ * Callback to create a {@link org.apache.tuscany.spi.wire.TargetInvoker} which issues a non-blocking dispatch
+ *
+ * @param wire the outbound wire of the invocation source, used for callbacks
+ * @param operation the operation to invoke
+ */
+ TargetInvoker createAsyncTargetInvoker(OutboundWire wire, Operation operation);
+
+ /**
+ * Get the ServiceContract for the binding
+ * @return
+ */
+ ServiceContract<?> getBindingServiceContract();
+
+
+ /**
+ * Set the ServiceContract for the binding. This contract will be used for the outbound wire.
+ * If not set, it will be the same as the ServideContract from the interface.
+ *
+ * @param serviceContract
+ */
+ void setBindingServiceContract(ServiceContract<?> serviceContract);
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ReferenceNotFoundException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ReferenceNotFoundException.java
new file mode 100644
index 0000000000..7020ede3a5
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ReferenceNotFoundException.java
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+import org.apache.tuscany.spi.CoreRuntimeException;
+
+/**
+ * Thrown when a component reference is not defined in the compoenent type
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public class ReferenceNotFoundException extends CoreRuntimeException {
+ private static final long serialVersionUID = 737170534780079573L;
+
+ public ReferenceNotFoundException() {
+ }
+
+ public ReferenceNotFoundException(String message) {
+ super(message);
+ }
+
+ public ReferenceNotFoundException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public ReferenceNotFoundException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/SCAObject.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/SCAObject.java
new file mode 100644
index 0000000000..3a335a3200
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/SCAObject.java
@@ -0,0 +1,76 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+import java.util.Map;
+
+import org.apache.tuscany.spi.Lifecycle;
+import org.apache.tuscany.spi.event.EventPublisher;
+import org.apache.tuscany.spi.model.Scope;
+
+/**
+ * Represents the base SCA artifact type in an assembly
+ *
+ * @version $Rev$ $Date$
+ */
+public interface SCAObject extends EventPublisher, Lifecycle {
+
+ /**
+ * Returns the artifact name
+ */
+ String getName();
+
+ /**
+ * Returns the parent composite, or null if the artifact does not have one
+ */
+ CompositeComponent getParent();
+
+ /**
+ * Returns the artifact scope
+ */
+ Scope getScope();
+
+ /**
+ * Returns an instance associated with the default service
+ *
+ * @throws TargetException if an error occurs retrieving the instance
+ */
+ Object getServiceInstance() throws TargetException;
+
+ /**
+ * Called to signal that the composite should perform and required steps prior to registration with its parent such
+ * as wiring of its children
+ */
+ void prepare();
+
+ /**
+ * The extensions map contains other runtime context such as type systems for various databindings
+ *
+ * @return A live map of extended context
+ */
+ Map<Object, Object> getExtensions();
+
+ /**
+ * Returns true if the artifact is a system artifact
+ *
+ * @return true if the artifact is a system artifact
+ */
+ boolean isSystem();
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ScopeContainer.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ScopeContainer.java
new file mode 100644
index 0000000000..58ac3c6502
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ScopeContainer.java
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+import org.apache.tuscany.spi.Lifecycle;
+import org.apache.tuscany.spi.event.RuntimeEventListener;
+import org.apache.tuscany.spi.model.Scope;
+
+
+/**
+ * Manages the lifecycle and visibility of instances associated with a set of {@link AtomicComponent}s.
+ *
+ * @version $Rev$ $Date$
+ * @see SCAObject
+ */
+public interface ScopeContainer extends Lifecycle, RuntimeEventListener {
+
+ /**
+ * Returns the scope value representing the scope context
+ */
+ Scope getScope();
+
+ /**
+ * Sets the work context used by the scope container
+ */
+ void setWorkContext(WorkContext workContext);
+
+ /**
+ * Registers a component with the scope component
+ */
+ void register(AtomicComponent component);
+
+ /**
+ * Returns an instance associated with the current component
+ *
+ * @throws TargetException
+ */
+ Object getInstance(AtomicComponent component) throws TargetException;
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ScopeNotFoundException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ScopeNotFoundException.java
new file mode 100644
index 0000000000..b42e6afaeb
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ScopeNotFoundException.java
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+/**
+ * Throw when a scope context cannot be found for a given scope
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public class ScopeNotFoundException extends ScopeRuntimeException {
+ public ScopeNotFoundException() {
+ }
+
+ public ScopeNotFoundException(String message) {
+ super(message);
+ }
+
+ public ScopeNotFoundException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public ScopeNotFoundException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ScopeRegistry.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ScopeRegistry.java
new file mode 100644
index 0000000000..2f3fe47b72
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ScopeRegistry.java
@@ -0,0 +1,37 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+import org.apache.tuscany.spi.ObjectFactory;
+import org.apache.tuscany.spi.model.Scope;
+
+/**
+ * Manages {@link ScopeContainer}s in the runtime
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public interface ScopeRegistry {
+
+ ScopeContainer getScopeContainer(Scope scope) throws ScopeNotFoundException;
+
+ <T extends ScopeContainer> void registerFactory(Scope scope, ObjectFactory<T> factory);
+
+ void deregisterFactory(Scope scope);
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ScopeRuntimeException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ScopeRuntimeException.java
new file mode 100644
index 0000000000..2724c34ffe
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/ScopeRuntimeException.java
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+import org.apache.tuscany.spi.CoreRuntimeException;
+
+/**
+ * Denotes a general runtime exception encountered by a scope context
+ *
+ * @version $Rev$ $Date$
+ */
+public class ScopeRuntimeException extends CoreRuntimeException {
+
+ public ScopeRuntimeException() {
+ super();
+ }
+
+ public ScopeRuntimeException(String message) {
+ super(message);
+ }
+
+ public ScopeRuntimeException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public ScopeRuntimeException(Throwable cause) {
+ super(cause);
+ }
+
+}
+
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/Service.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/Service.java
new file mode 100644
index 0000000000..b165931ac0
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/Service.java
@@ -0,0 +1,97 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+import org.apache.tuscany.spi.model.Operation;
+import org.apache.tuscany.spi.model.ServiceContract;
+import org.apache.tuscany.spi.wire.InboundWire;
+import org.apache.tuscany.spi.wire.OutboundWire;
+import org.apache.tuscany.spi.wire.TargetInvoker;
+import org.apache.tuscany.spi.wire.WireInvocationHandler;
+
+/**
+ * The runtime instantiation of an SCA service configured with a binding.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface Service extends SCAObject {
+
+ /**
+ * Returns the handler responsible for flowing a request through the service
+ *
+ * @throws TargetException
+ */
+ WireInvocationHandler getHandler() throws TargetException;
+
+ /**
+ * Returns the service interface configured for the service
+ */
+ Class<?> getInterface();
+
+ /**
+ * Returns the inbound wire for flowing a request through the service
+ *
+ * @return the inbound wire for flowing a request through the service
+ */
+ InboundWire getInboundWire();
+
+ /**
+ * Sets the inbound wire for flowing a request through the service
+ *
+ * @param wire the inbound wire for flowing a request through the service
+ */
+ void setInboundWire(InboundWire wire);
+
+ /**
+ * Returns the outbound wire for flowing a request out of the service
+ *
+ * @return the outbound wire for flowing a request out of the service
+ */
+ OutboundWire getOutboundWire();
+
+ /**
+ * Sets the outbound wire for flowing a request out of the service
+ *
+ * @param wire the outbound wire for flowing a request out of the service
+ */
+ void setOutboundWire(OutboundWire wire);
+
+ /**
+ * Returns the target invoker for dispatching callback invocations
+ *
+ * @param contract the callback contract
+ * @param operation the callback operation the target invoker dispatches to
+ */
+ TargetInvoker createCallbackTargetInvoker(ServiceContract contract, Operation operation);
+
+ /**
+ * Get the ServiceContract for the binding
+ * @return
+ */
+ ServiceContract<?> getBindingServiceContract();
+
+
+ /**
+ * Set the ServiceContract for the binding. This contract will be used for the inbound wire.
+ * If not set, it will be the same as the ServideContract from the interface.
+
+ * @param serviceContract
+ */
+ void setBindingServiceContract(ServiceContract<?> serviceContract);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/SystemAtomicComponent.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/SystemAtomicComponent.java
new file mode 100644
index 0000000000..2c7376f5fb
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/SystemAtomicComponent.java
@@ -0,0 +1,37 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+/**
+ * Implementations are specialized atomic components used to provide system services by the runtime
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public interface SystemAtomicComponent extends AtomicComponent {
+
+ /**
+ * Returns the target instance associated with the component. A target instance is the actual object a request is
+ * dispatched to sans wire chain.
+ *
+ * @throws org.apache.tuscany.spi.component.TargetException
+ *
+ */
+ Object getTargetInstance() throws TargetException;
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/TargetException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/TargetException.java
new file mode 100644
index 0000000000..3c0bf22dd0
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/TargetException.java
@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+import org.apache.tuscany.spi.CoreRuntimeException;
+
+/**
+ * Denotes an error while performing an operation on a target component implementation instance or proxy
+ *
+ * @version $Rev$ $Date$
+ */
+public class TargetException extends CoreRuntimeException {
+
+ public TargetException() {
+ super();
+ }
+
+ public TargetException(String message) {
+ super(message);
+ }
+
+ public TargetException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public TargetException(Throwable cause) {
+ super(cause);
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/TargetNotFoundException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/TargetNotFoundException.java
new file mode 100644
index 0000000000..1dc67f046d
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/TargetNotFoundException.java
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+/**
+ * Thrown when a target of an operation cannot be found
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public class TargetNotFoundException extends TargetException {
+ public TargetNotFoundException() {
+ }
+
+ public TargetNotFoundException(String message) {
+ super(message);
+ }
+
+ public TargetNotFoundException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public TargetNotFoundException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/WorkContext.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/WorkContext.java
new file mode 100644
index 0000000000..fed65a039b
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/component/WorkContext.java
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.component;
+
+/**
+ * Implementations track information associated with a request as it is processed by the runtime
+ *
+ * @version $Rev$ $Date$
+ */
+public interface WorkContext {
+
+ Object getCurrentMessageId();
+
+ void setCurrentMessageId(Object messageId);
+
+ Object getCurrentCorrelationId();
+
+ void setCurrentCorrelationId(Object correlationId);
+
+ /**
+ * Returns the composite where a remote request came in
+ */
+ CompositeComponent getRemoteComponent();
+
+ /**
+ * Sets the composite where a remote request came in
+ */
+ void setRemoteComponent(CompositeComponent component);
+
+ /**
+ * Returns the unique key for the given identifier associated with the current request
+ */
+ Object getIdentifier(Object type);
+
+ /**
+ * Sets the unique key for the given identifier associated with the current request
+ */
+ void setIdentifier(Object type, Object identifier);
+
+ /**
+ * Clears the unique key for the given identifier associated with the current request
+ */
+ void clearIdentifier(Object type);
+
+ /**
+ * Clears all identifiers associated with the current request
+ */
+ void clearIdentifiers();
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/DataBinding.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/DataBinding.java
new file mode 100644
index 0000000000..2f48aa2292
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/DataBinding.java
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.spi.databinding;
+
+import org.apache.tuscany.spi.model.DataType;
+
+/**
+ * DataBinding represents a data representation, for example, SDO, JAXB and AXIOM
+ */
+public interface DataBinding {
+ /**
+ * The name of a databinding should be case-insensitive and unique
+ *
+ * @return The name of the databinding
+ */
+ String getName();
+
+ /**
+ * Introspect a java class or interface to create a DataType model
+ *
+ * @param javaType The java class or interface to be introspected
+ * @return The DataType or null if the java type is not supported by this databinding
+ */
+ DataType introspect(Class<?> javaType);
+
+ /**
+ * Introspect the data to figure out the corresponding data type
+ *
+ * @param value The object to be checked
+ * @return The DataType or null if the java type is not supported by this databinding
+ */
+ DataType introspect(Object value);
+
+ /**
+ * Provide a WrapperHandler for this databinding
+ * @return A wrapper handler which can handle wrapping/wrapping for this databinding
+ */
+ WrapperHandler getWrapperHandler();
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/DataBindingRegistry.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/DataBindingRegistry.java
new file mode 100644
index 0000000000..ba47401cc2
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/DataBindingRegistry.java
@@ -0,0 +1,67 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.databinding;
+
+import org.apache.tuscany.spi.model.DataType;
+
+/**
+ * The registry for data bindings
+ */
+public interface DataBindingRegistry {
+ /**
+ * Register a data binding
+ *
+ * @param dataBinding
+ */
+ void register(DataBinding dataBinding);
+
+ /**
+ * Look up a data binding by id
+ *
+ * @param id The name of the databinding
+ * @return The databinding
+ */
+ DataBinding getDataBinding(String id);
+
+ /**
+ * Unregister a data binding
+ *
+ * @param id
+ * @return The unregistered databinding
+ */
+ DataBinding unregister(String id);
+
+ /**
+ * Introspect the java class to figure out what DataType supports it
+ *
+ * @param javaType The java class or interface
+ * @return A DataType representing the java type or null if no databinding
+ * recognizes the java type
+ */
+ DataType introspectType(Class<?> javaType);
+
+ /**
+ * Introspect the value to figure out the corresponding DataType
+ *
+ * @param value The object value
+ * @return A DataType representing the value or null if no databinding
+ * recognizes the value
+ */
+ DataType introspectType(Object value);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/DataPipe.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/DataPipe.java
new file mode 100755
index 0000000000..a0eb7ac10d
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/DataPipe.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.databinding;
+
+/**
+ * Data pipe allows a data source pushes data into its sink and pipe the data into its result
+ *
+ * @param <S> The data binding type of the sink
+ * @param <R> The data binding type of the result
+ */
+public interface DataPipe<S, R> extends Transformer {
+
+ /**
+ * Returns a sink (for example, java.io.OutputStream, java.io.Writer or org.xml.sax.ContentHandler) to receive data
+ * pushed by the source
+ *
+ * @return The sink to consume data
+ */
+ S getSink();
+
+ /**
+ * Returns the data populated by the sink
+ *
+ * @return
+ */
+ R getResult();
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/Mediator.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/Mediator.java
new file mode 100755
index 0000000000..ba936b46db
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/Mediator.java
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.databinding;
+
+import java.util.Map;
+
+import org.apache.tuscany.spi.model.DataType;
+
+/**
+ * This interface will be used as a Tuscany system service to perform data mediations
+ *
+ * Mediate the data from one type to the other one
+ *
+ */
+public interface Mediator {
+
+ /**
+ * Mediate the data from the source type to the target type
+ * @param source The data to be mediated
+ * @param sourceDataType Data type for the source data
+ * @param targetDataType Data type for the target data
+ * @param context
+ * @return
+ */
+ Object mediate(Object source, DataType sourceDataType, DataType targetDataType, Map<Class<?>, Object> context);
+ /**
+ * Mediate the source data into the target which is a sink to receive the data
+ * @param source The data to be mediated
+ * @param target The sink to receive data
+ * @param sourceDataType Data type for the source data
+ * @param targetDataType Data type for the target data
+ */
+ void mediate(
+ Object source,
+ Object target,
+ DataType sourceDataType,
+ DataType targetDataType,
+ Map<Class<?>, Object> context);
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/PullTransformer.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/PullTransformer.java
new file mode 100644
index 0000000000..21e8cc2750
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/PullTransformer.java
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.databinding;
+
+/**
+ * PullTransformer transforms data from one binding format to the other one which can be directly consumed
+ *
+ * @param <S> The source data type
+ * @param <R> the target data type
+ */
+public interface PullTransformer<S, R> extends Transformer {
+ /**
+ * Transform source data into the result type.
+ *
+ * @param source The source data
+ * @param context The context for the transformation
+ * @return The transformed result
+ */
+ R transform(S source, TransformationContext context);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/PushTransformer.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/PushTransformer.java
new file mode 100644
index 0000000000..d68b6aa772
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/PushTransformer.java
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.databinding;
+
+/**
+ * A transformer that pushes data from its source into the sink
+ *
+ * @param <S>
+ * @param <R>
+ */
+public interface PushTransformer<S, R> extends Transformer {
+ /**
+ * @param source The source data
+ * @param sink The sink to receive the data
+ * @param context
+ */
+ void transform(S source, R sink, TransformationContext context);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/SimpleTypeMapper.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/SimpleTypeMapper.java
new file mode 100644
index 0000000000..7c0bf4d01a
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/SimpleTypeMapper.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.spi.databinding;
+
+import org.apache.tuscany.spi.idl.TypeInfo;
+
+/**
+ * Type Mapper between XML schema simple data types and java objects
+ */
+public interface SimpleTypeMapper {
+ /**
+ * Parse the XML lexical representation into a java object
+ * @param simpleType The XSD simple type
+ * @param value the XML lexical representation
+ * @param context The context of the transformation
+ * @return A java object for the XML value
+ */
+ Object toJavaObject(TypeInfo simpleType, String value, TransformationContext context);
+ /**
+ * Create the XML lexical representation for a java object
+ * @param simpleType The XSD simple type
+ * @param obj The java object
+ * @param context The context of the transformation
+ * @return The XML lexical representation
+ */
+ String toXMLLiteral(TypeInfo simpleType, Object obj, TransformationContext context);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/TransformationContext.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/TransformationContext.java
new file mode 100755
index 0000000000..8287de1707
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/TransformationContext.java
@@ -0,0 +1,72 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.databinding;
+
+import java.util.Map;
+
+import org.apache.tuscany.spi.model.DataType;
+
+/**
+ * Context for data transformation
+ *
+ */
+public interface TransformationContext {
+ /**
+ * Get the source data type
+ *
+ * @return
+ */
+ DataType getSourceDataType();
+
+ /**
+ * Get the target data type
+ *
+ * @return
+ */
+ DataType getTargetDataType();
+
+ /**
+ * Set the source data type
+ *
+ * @param sourceDataType
+ */
+ void setSourceDataType(DataType sourceDataType);
+
+ /**
+ * Set the target data type
+ *
+ * @param targetDataType
+ */
+ void setTargetDataType(DataType targetDataType);
+
+ /**
+ * Get the classloader
+ *
+ * @return
+ */
+ ClassLoader getClassLoader();
+
+ /**
+ * Get a map of metadata
+ *
+ * @return
+ */
+ Map<Class<?>, Object> getMetadata();
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/TransformationException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/TransformationException.java
new file mode 100755
index 0000000000..9b57e1cf70
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/TransformationException.java
@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.databinding;
+
+import org.apache.tuscany.api.TuscanyRuntimeException;
+
+/**
+ * Reports problems during data transformation
+ */
+public class TransformationException extends TuscanyRuntimeException {
+
+ private static final long serialVersionUID = 7662385613693006428L;
+
+ public TransformationException() {
+ super();
+ }
+
+ public TransformationException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public TransformationException(String message) {
+ super(message);
+ }
+
+ public TransformationException(Throwable cause) {
+ super(cause);
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/Transformer.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/Transformer.java
new file mode 100755
index 0000000000..2f969e979d
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/Transformer.java
@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.databinding;
+
+/**
+ * A transformer provides the data transformation from source type to target type. The cost of the transformation is
+ * modeled as weight.
+ */
+public interface Transformer {
+ /**
+ * Get the source type that this transformer transforms data from. The type is used as the key when the transformer
+ * is registered with TransformerRegistry.
+ *
+ * @return A key indentifying the source type
+ */
+ String getSourceDataBinding();
+
+ /**
+ * Get the target type that this transformer transforms data into. The type is used as the key when the transformer
+ * is registered with TransformerRegistry.
+ *
+ * @return A key indentifying the target type
+ */
+ String getTargetDataBinding();
+
+ /**
+ * Get the cost of the transformation. The weight can be used to choose the most efficient path if there are more
+ * than one available from the source to the target.
+ *
+ * @return An integer representing the cost of the transformation
+ */
+ int getWeight();
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/TransformerRegistry.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/TransformerRegistry.java
new file mode 100755
index 0000000000..5381dfa081
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/TransformerRegistry.java
@@ -0,0 +1,75 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.databinding;
+
+import java.util.List;
+
+/**
+ * Registry for data transformers
+ */
+public interface TransformerRegistry {
+ /**
+ * Register a transformer
+ *
+ * @param sourceDataBinding
+ * @param targetDataBinding
+ * @param weight
+ * @param transformer
+ */
+ void registerTransformer(String sourceDataBinding,
+ String targetDataBinding,
+ int weight,
+ Transformer transformer);
+
+ /**
+ * Register a transformer
+ *
+ * @param transformer
+ */
+ void registerTransformer(Transformer transformer);
+
+ /**
+ * Unregister a transformer
+ *
+ * @param sourceDataBinding
+ * @param targetDataBinding
+ * @return
+ */
+ boolean unregisterTransformer(String sourceDataBinding, String targetDataBinding);
+
+ /**
+ * Get the direct Transformer which can transform data from source type to
+ * result type
+ *
+ * @param sourceDataBinding
+ * @param targetDataBinding
+ * @return
+ */
+ Transformer getTransformer(String sourceDataBinding, String targetDataBinding);
+
+ /**
+ * Get the a chain of Transformers which can transform data from source type
+ * to result type
+ *
+ * @param sourceDataBinding
+ * @param targetDataBinding
+ * @return
+ */
+ List<Transformer> getTransformerChain(String sourceDataBinding, String targetDataBinding);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/WrapperHandler.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/WrapperHandler.java
new file mode 100644
index 0000000000..e60cb2af92
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/WrapperHandler.java
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.spi.databinding;
+
+import org.apache.tuscany.spi.idl.ElementInfo;
+
+/**
+ * A contract for transformers to deal with wrapping/unwrapping for WSDL wrapper style operations
+ */
+public interface WrapperHandler<T> {
+ /**
+ * Create a wrapper element
+ *
+ * @param element The XSD element
+ * @param context The transformation context
+ * @return An object representing the wrapper element
+ */
+ T create(ElementInfo element, TransformationContext context);
+
+ /**
+ * Set child element for the wrapper
+ *
+ * @param wrapper The wrapper
+ * @param i The index
+ * @param childElement The XSD element
+ * @param value The value of the child
+ */
+ void setChild(T wrapper, int i, ElementInfo childElement, Object value);
+
+ /**
+ * Get child element from the wrapper
+ *
+ * @param wrapper The wrapper
+ * @param i The index
+ * @param element The XSD element
+ * @return The value of the child
+ */
+ Object getChild(T wrapper, int i, ElementInfo element);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/DOMHelper.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/DOMHelper.java
new file mode 100644
index 0000000000..2b927b8e55
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/DOMHelper.java
@@ -0,0 +1,69 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.databinding.extension;
+
+import javax.xml.namespace.QName;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+
+/**
+ * Helper for DOM
+ */
+public final class DOMHelper {
+ private static final DocumentBuilderFactory FACTORY = DocumentBuilderFactory.newInstance();
+ static {
+ FACTORY.setNamespaceAware(true);
+ }
+
+ private DOMHelper() {
+ }
+
+ public static Document newDocument() throws ParserConfigurationException {
+ return newDocumentBuilder().newDocument();
+ }
+
+ public static DocumentBuilder newDocumentBuilder() throws ParserConfigurationException {
+ return FACTORY.newDocumentBuilder();
+ }
+
+ public static QName getQName(Node node) {
+ String ns = node.getNamespaceURI();
+ if (ns == null) {
+ ns = "";
+ }
+ // node.getLocalName() will return null if it is created using DOM Level
+ // 1 method
+ // such as createElement()
+ return new QName(ns, node.getNodeName());
+ }
+
+ public static Element createElement(Document document, QName name) {
+ String prefix = name.getPrefix();
+ String qname =
+ (prefix != null && prefix.length() > 0) ? prefix + ":" + name.getLocalPart() : name
+ .getLocalPart();
+ return document.createElementNS(name.getNamespaceURI(), qname);
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/DataBindingExtension.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/DataBindingExtension.java
new file mode 100644
index 0000000000..e40b75de55
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/DataBindingExtension.java
@@ -0,0 +1,104 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.databinding.extension;
+
+import org.apache.tuscany.spi.annotation.Autowire;
+import org.apache.tuscany.spi.databinding.DataBinding;
+import org.apache.tuscany.spi.databinding.DataBindingRegistry;
+import org.apache.tuscany.spi.databinding.WrapperHandler;
+import org.apache.tuscany.spi.model.DataType;
+import org.osoa.sca.annotations.Init;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+/**
+ * Base Implementation of DataBinding
+ */
+@Scope("MODULE")
+@Service(DataBinding.class)
+public abstract class DataBindingExtension implements DataBinding {
+ protected DataBindingRegistry registry;
+
+ protected Class<?> baseType;
+
+ protected String name;
+
+ /**
+ * Create a databinding with the base java type whose name will be used as
+ * the name of the databinding
+ *
+ * @param baseType The base java class or interface representing the
+ * databinding, for example, org.w3c.dom.Node
+ */
+ protected DataBindingExtension(Class<?> baseType) {
+ this(baseType.getName(), baseType);
+ }
+
+ /**
+ * Create a databinding with the name and base java type
+ *
+ * @param name The name of the databinding
+ * @param baseType The base java class or interface representing the
+ * databinding, for example, org.w3c.dom.Node
+ */
+ protected DataBindingExtension(String name, Class<?> baseType) {
+ this.name = name;
+ this.baseType = baseType;
+ }
+
+ @Autowire
+ public void setDataBindingRegistry(DataBindingRegistry registry) {
+ this.registry = registry;
+ }
+
+ @Init(eager = true)
+ public void init() {
+ registry.register(this);
+ }
+
+ public DataType introspect(Class<?> javaType) {
+ if (baseType == null || javaType == null) {
+ return null;
+ }
+ if (baseType.isAssignableFrom(javaType)) {
+ return new DataType<Class>(name, javaType, baseType);
+ } else {
+ return null;
+ }
+ }
+
+ public DataType introspect(Object value) {
+ if (value == null) {
+ return null;
+ } else {
+ return introspect(value.getClass());
+ }
+ }
+
+ public final String getName() {
+ return name;
+ }
+
+ /**
+ * @see org.apache.tuscany.spi.databinding.DataBinding#getWrapperHandler()
+ */
+ public WrapperHandler getWrapperHandler() {
+ return null;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/Java2SimpleTypeTransformer.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/Java2SimpleTypeTransformer.java
new file mode 100644
index 0000000000..4605f945e2
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/Java2SimpleTypeTransformer.java
@@ -0,0 +1,61 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.databinding.extension;
+
+import org.apache.tuscany.spi.databinding.PullTransformer;
+import org.apache.tuscany.spi.databinding.SimpleTypeMapper;
+import org.apache.tuscany.spi.databinding.TransformationContext;
+import org.apache.tuscany.spi.idl.ElementInfo;
+import org.apache.tuscany.spi.idl.TypeInfo;
+
+/**
+ * Transformer to convert data from a simple java object to a databinding's representation
+ */
+public abstract class Java2SimpleTypeTransformer<T> extends TransformerExtension<Object, T> implements
+ PullTransformer<Object, T> {
+
+ protected SimpleTypeMapper mapper;
+
+ public Java2SimpleTypeTransformer() {
+ this.mapper = new SimpleTypeMapperExtension();
+ }
+
+ public Java2SimpleTypeTransformer(SimpleTypeMapper mapper) {
+ this.mapper = (mapper != null) ? mapper : new SimpleTypeMapperExtension();
+ }
+
+ public T transform(Object source, TransformationContext context) {
+ ElementInfo element =
+ (ElementInfo) context.getTargetDataType().getMetadata(ElementInfo.class.getName());
+ TypeInfo simpleType = (TypeInfo) element.getType();
+ String text = mapper.toXMLLiteral(simpleType, source, context);
+ return createElement(element, text, context);
+ }
+
+ public Class getSourceType() {
+ return Object.class;
+ }
+
+ public int getWeight() {
+ return 10000;
+ }
+
+ protected abstract T createElement(ElementInfo element, String literal, TransformationContext context);
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/SimpleType2JavaTransformer.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/SimpleType2JavaTransformer.java
new file mode 100644
index 0000000000..d861bdce92
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/SimpleType2JavaTransformer.java
@@ -0,0 +1,69 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.databinding.extension;
+
+import org.apache.tuscany.spi.databinding.PullTransformer;
+import org.apache.tuscany.spi.databinding.SimpleTypeMapper;
+import org.apache.tuscany.spi.databinding.TransformationContext;
+import org.apache.tuscany.spi.idl.ElementInfo;
+import org.apache.tuscany.spi.idl.TypeInfo;
+
+/**
+ * Transformer to convert data from a databinding's representation of simple
+ * types to Java Objects
+ */
+public abstract class SimpleType2JavaTransformer<T> extends TransformerExtension<T, Object> implements
+ PullTransformer<T, Object> {
+
+ protected SimpleTypeMapper mapper;
+
+ public SimpleType2JavaTransformer() {
+ this.mapper = new SimpleTypeMapperExtension();
+ }
+
+ public SimpleType2JavaTransformer(SimpleTypeMapper mapper) {
+ this.mapper = (mapper != null) ? mapper : new SimpleTypeMapperExtension();
+ }
+
+ public Object transform(T source, TransformationContext context) {
+ TypeInfo simpleType = (TypeInfo)context.getSourceDataType().getMetadata(TypeInfo.class.getName());
+ if (simpleType == null) {
+ ElementInfo element =
+ (ElementInfo)context.getSourceDataType().getMetadata(ElementInfo.class.getName());
+ simpleType = (TypeInfo)element.getType();
+ }
+ return mapper.toJavaObject(simpleType, getText(source), context);
+ }
+
+ public Class getTargetType() {
+ return Object.class;
+ }
+
+ public int getWeight() {
+ // Cannot be used for imtermediate
+ return 10000;
+ }
+
+ /**
+ * Get the string value from the source
+ * @param source
+ * @return A string
+ */
+ protected abstract String getText(T source);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/SimpleTypeMapperExtension.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/SimpleTypeMapperExtension.java
new file mode 100644
index 0000000000..40dca934d5
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/SimpleTypeMapperExtension.java
@@ -0,0 +1,391 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.spi.databinding.extension;
+
+import java.util.Date;
+import java.util.GregorianCalendar;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.xml.datatype.DatatypeConfigurationException;
+import javax.xml.datatype.DatatypeFactory;
+import javax.xml.datatype.XMLGregorianCalendar;
+import javax.xml.namespace.NamespaceContext;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.spi.databinding.SimpleTypeMapper;
+import org.apache.tuscany.spi.databinding.TransformationContext;
+import org.apache.tuscany.spi.idl.TypeInfo;
+
+public class SimpleTypeMapperExtension extends XSDDataTypeConverter implements SimpleTypeMapper {
+ public static final Map<Class, String> JAVA2XML = new HashMap<Class, String>();
+
+ public static final String URI_2001_SCHEMA_XSD = "http://www.w3.org/2001/XMLSchema";
+
+ public static final Map<String, Class> XML2JAVA = new HashMap<String, Class>();
+
+ public static final QName XSD_ANY = new QName(URI_2001_SCHEMA_XSD, "any");
+
+ public static final QName XSD_ANYSIMPLETYPE = new QName(URI_2001_SCHEMA_XSD, "anySimpleType");
+
+ public static final QName XSD_ANYTYPE = new QName(URI_2001_SCHEMA_XSD, "anyType");
+
+ public static final QName XSD_ANYURI = new QName(URI_2001_SCHEMA_XSD, "anyURI");
+
+ public static final QName XSD_BASE64 = new QName(URI_2001_SCHEMA_XSD, "base64Binary");
+
+ public static final QName XSD_BOOLEAN = new QName(URI_2001_SCHEMA_XSD, "boolean");
+
+ public static final QName XSD_BYTE = new QName(URI_2001_SCHEMA_XSD, "byte");
+
+ public static final QName XSD_DATE = new QName(URI_2001_SCHEMA_XSD, "date");
+
+ public static final QName XSD_DATETIME = new QName(URI_2001_SCHEMA_XSD, "dateTime");
+
+ public static final QName XSD_DAY = new QName(URI_2001_SCHEMA_XSD, "gDay");
+
+ public static final QName XSD_DECIMAL = new QName(URI_2001_SCHEMA_XSD, "decimal");
+
+ public static final QName XSD_DOUBLE = new QName(URI_2001_SCHEMA_XSD, "double");
+
+ public static final QName XSD_DURATION = new QName(URI_2001_SCHEMA_XSD, "duration");
+
+ public static final QName XSD_ENTITIES = new QName(URI_2001_SCHEMA_XSD, "ENTITIES");
+
+ public static final QName XSD_ENTITY = new QName(URI_2001_SCHEMA_XSD, "ENTITY");
+
+ public static final QName XSD_FLOAT = new QName(URI_2001_SCHEMA_XSD, "float");
+
+ public static final QName XSD_HEXBIN = new QName(URI_2001_SCHEMA_XSD, "hexBinary");
+
+ public static final QName XSD_IDREF = new QName(URI_2001_SCHEMA_XSD, "IDREF");
+
+ public static final QName XSD_IDREFS = new QName(URI_2001_SCHEMA_XSD, "IDREFS");
+
+ public static final QName XSD_INT = new QName(URI_2001_SCHEMA_XSD, "int");
+
+ public static final QName XSD_INTEGER = new QName(URI_2001_SCHEMA_XSD, "integer");
+
+ public static final QName XSD_LONG = new QName(URI_2001_SCHEMA_XSD, "long");
+
+ public static final QName XSD_MONTH = new QName(URI_2001_SCHEMA_XSD, "gMonth");
+
+ public static final QName XSD_MONTHDAY = new QName(URI_2001_SCHEMA_XSD, "gMonthDay");
+
+ public static final QName XSD_NAME = new QName(URI_2001_SCHEMA_XSD, "Name");
+
+ public static final QName XSD_NCNAME = new QName(URI_2001_SCHEMA_XSD, "NCName");
+
+ public static final QName XSD_NEGATIVEINTEGER = new QName(URI_2001_SCHEMA_XSD, "negativeInteger");
+
+ public static final QName XSD_NMTOKEN = new QName(URI_2001_SCHEMA_XSD, "NMTOKEN");
+
+ public static final QName XSD_NMTOKENS = new QName(URI_2001_SCHEMA_XSD, "NMTOKENS");
+
+ public static final QName XSD_NONNEGATIVEINTEGER = new QName(URI_2001_SCHEMA_XSD, "nonNegativeInteger");
+
+ public static final QName XSD_NONPOSITIVEINTEGER = new QName(URI_2001_SCHEMA_XSD, "nonPositiveInteger");
+
+ public static final QName XSD_NORMALIZEDSTRING = new QName(URI_2001_SCHEMA_XSD, "normalizedString");
+
+ public static final QName XSD_NOTATION = new QName(URI_2001_SCHEMA_XSD, "NOTATION");
+
+ public static final QName XSD_POSITIVEINTEGER = new QName(URI_2001_SCHEMA_XSD, "positiveInteger");
+
+ public static final QName XSD_QNAME = new QName(URI_2001_SCHEMA_XSD, "QName");
+
+ public static final QName XSD_SHORT = new QName(URI_2001_SCHEMA_XSD, "short");
+
+ public static final Map<String, TypeInfo> XSD_SIMPLE_TYPES = new HashMap<String, TypeInfo>();
+
+ public static final QName XSD_STRING = new QName(URI_2001_SCHEMA_XSD, "string");
+
+ public static final QName XSD_TIME = new QName(URI_2001_SCHEMA_XSD, "time");
+
+ public static final QName XSD_TOKEN = new QName(URI_2001_SCHEMA_XSD, "token");
+
+ public static final QName XSD_UNSIGNEDBYTE = new QName(URI_2001_SCHEMA_XSD, "unsignedByte");
+
+ public static final QName XSD_UNSIGNEDINT = new QName(URI_2001_SCHEMA_XSD, "unsignedInt");
+
+ public static final QName XSD_UNSIGNEDLONG = new QName(URI_2001_SCHEMA_XSD, "unsignedLong");
+
+ public static final QName XSD_UNSIGNEDSHORT = new QName(URI_2001_SCHEMA_XSD, "unsignedShort");
+
+ public static final QName XSD_YEAR = new QName(URI_2001_SCHEMA_XSD, "gYear");
+
+ public static final QName XSD_YEARMONTH = new QName(URI_2001_SCHEMA_XSD, "gYearMonth");
+
+ private static final String[] XSD_TYPE_NAMES =
+ {"string", "boolean", "double", "float", "int", "integer", "long", "short", "byte", "decimal",
+ "base64Binary", "hexBinary", "anySimpleType", "anyType", "any", "QName", "dateTime", "date", "time",
+ "normalizedString", "token", "unsignedLong", "unsignedInt", "unsignedShort", "unsignedByte",
+ "positiveInteger", "negativeInteger", "nonNegativeInteger", "nonPositiveInteger", "gYearMonth",
+ "gMonthDay", "gYear", "gMonth", "gDay", "duration", "Name", "NCName", "NMTOKEN", "NMTOKENS",
+ "NOTATION", "ENTITY", "ENTITIES", "IDREF", "IDREFS", "anyURI", "language", "ID"};
+
+ static {
+ for (String type : XSD_TYPE_NAMES) {
+ TypeInfo simpleType = new TypeInfo(new QName(URI_2001_SCHEMA_XSD, type), true, null);
+ XSD_SIMPLE_TYPES.put(type, simpleType);
+ }
+ }
+
+ static {
+ JAVA2XML.put(boolean.class, "boolean");
+ JAVA2XML.put(byte.class, "byte");
+ JAVA2XML.put(short.class, "short");
+ JAVA2XML.put(int.class, "int");
+ JAVA2XML.put(long.class, "long");
+ JAVA2XML.put(float.class, "float");
+ JAVA2XML.put(double.class, "double");
+ JAVA2XML.put(Boolean.class, "boolean");
+ JAVA2XML.put(Byte.class, "byte");
+ JAVA2XML.put(Short.class, "short");
+ JAVA2XML.put(Integer.class, "int");
+ JAVA2XML.put(Long.class, "long");
+ JAVA2XML.put(Float.class, "float");
+ JAVA2XML.put(Double.class, "double");
+ JAVA2XML.put(java.lang.String.class, "string");
+ JAVA2XML.put(java.math.BigInteger.class, "integer");
+ JAVA2XML.put(java.math.BigDecimal.class, "decimal");
+ JAVA2XML.put(java.util.Calendar.class, "dateTime");
+ JAVA2XML.put(java.util.Date.class, "dateTime");
+ JAVA2XML.put(javax.xml.namespace.QName.class, "QName");
+ JAVA2XML.put(java.net.URI.class, "string");
+ JAVA2XML.put(javax.xml.datatype.XMLGregorianCalendar.class, "anySimpleType");
+ JAVA2XML.put(javax.xml.datatype.Duration.class, "duration");
+ JAVA2XML.put(java.lang.Object.class, "anyType");
+ JAVA2XML.put(java.awt.Image.class, "base64Binary");
+ JAVA2XML.put(byte[].class, "base64Binary");
+ // java2XSD.put(javax.activation.DataHandler.class, "base64Binary");
+ JAVA2XML.put(javax.xml.transform.Source.class, "base64Binary");
+ JAVA2XML.put(java.util.UUID.class, "string");
+ }
+
+ static {
+ XML2JAVA.put("string", java.lang.String.class);
+ XML2JAVA.put("integer", java.math.BigInteger.class);
+ XML2JAVA.put("int", int.class);
+ XML2JAVA.put("long", long.class);
+ XML2JAVA.put("short", short.class);
+ XML2JAVA.put("decimal", java.math.BigDecimal.class);
+ XML2JAVA.put("float", float.class);
+ XML2JAVA.put("double", double.class);
+ XML2JAVA.put("boolean", boolean.class);
+ XML2JAVA.put("byte", byte.class);
+ XML2JAVA.put("QName", javax.xml.namespace.QName.class);
+ XML2JAVA.put("dateTime", javax.xml.datatype.XMLGregorianCalendar.class);
+ XML2JAVA.put("base64Binary", byte[].class);
+ XML2JAVA.put("hexBinary", byte[].class);
+ XML2JAVA.put("unsignedInt", long.class);
+ XML2JAVA.put("unsignedShort", int.class);
+ XML2JAVA.put("unsignedByte", short.class);
+ XML2JAVA.put("time", javax.xml.datatype.XMLGregorianCalendar.class);
+ XML2JAVA.put("date", javax.xml.datatype.XMLGregorianCalendar.class);
+ XML2JAVA.put("gDay", javax.xml.datatype.XMLGregorianCalendar.class);
+ XML2JAVA.put("gMonth", javax.xml.datatype.XMLGregorianCalendar.class);
+ XML2JAVA.put("gYear", javax.xml.datatype.XMLGregorianCalendar.class);
+ XML2JAVA.put("gYearMonth", javax.xml.datatype.XMLGregorianCalendar.class);
+ XML2JAVA.put("gMonthDay", javax.xml.datatype.XMLGregorianCalendar.class);
+ XML2JAVA.put("anySimpleType", java.lang.Object.class); // For elements
+ // XML2JAVA.put("anySimpleType", java.lang.String.class); // For
+ // attributes
+ XML2JAVA.put("duration", javax.xml.datatype.Duration.class);
+ XML2JAVA.put("NOTATION", javax.xml.namespace.QName.class);
+ }
+
+ private DatatypeFactory factory;
+
+ public SimpleTypeMapperExtension() {
+ super();
+ try {
+ this.factory = DatatypeFactory.newInstance();
+ } catch (DatatypeConfigurationException e) {
+ throw new IllegalArgumentException(e);
+ }
+ }
+
+ public Class getJavaType(TypeInfo xmlType) {
+ TypeInfo baseType = xmlType;
+ while (baseType.getBaseType() != null) {
+ baseType = baseType.getBaseType();
+ }
+ return XML2JAVA.get(baseType.getQName().getLocalPart());
+ }
+
+ public TypeInfo getXMLType(Class javaType) {
+ return XSD_SIMPLE_TYPES.get(JAVA2XML.get(javaType));
+ }
+
+ public Object toJavaObject(TypeInfo simpleType, String literal, TransformationContext context) {
+ /**
+ * <ul>
+ * <li>xsd:string --- java.lang.String
+ * <li>xsd:integer --- java.math.BigInteger
+ * <li>xsd:int --- int
+ * <li>xsd:long --- long
+ * <li>xsd:short --- short
+ * <li>xsd:decimal --- java.math.BigDecimal
+ * <li>xsd:float --- float
+ * <li>xsd:double --- double
+ * <li>xsd:boolean --- boolean
+ * <li>xsd:byte --- byte
+ * <li>xsd:QName --- javax.xml.namespace.QName
+ * <li>xsd:dateTime --- javax.xml.datatype.XMLGregorianCalendar
+ * <li>xsd:base64Binary --- byte[]
+ * <li>xsd:hexBinary --- byte[]
+ * <li>xsd:unsignedInt --- long
+ * <li>xsd:unsignedShort --- int
+ * <li>xsd:unsignedByte --- short
+ * <li>xsd:time --- javax.xml.datatype.XMLGregorianCalendar
+ * <li>xsd:date --- javax.xml.datatype.XMLGregorianCalendar
+ * <li>xsd:g* --- javax.xml.datatype.XMLGregorianCalendar
+ * <li>xsd:anySimpleType (for xsd:element of this type)a
+ * java.lang.Object
+ * <li>xsd:anySimpleType (for xsd:attribute of this type)
+ * java.lang.String
+ * <li>xsd:duration javax.xml.datatype.Duration
+ * <li>xsd:NOTATION javax.xml.namespace.QName
+ * </ul>
+ */
+
+ if (literal == null) {
+ return null;
+ }
+ String value = literal.trim();
+ if (!simpleType.isSimpleType()) {
+ throw new IllegalArgumentException("Complex type is not supported for simple java databinding.");
+ }
+ TypeInfo baseType = simpleType;
+ while (baseType.getBaseType() != null) {
+ baseType = (TypeInfo)baseType.getBaseType();
+ }
+
+ QName type = baseType.getQName();
+ if (type.equals(XSD_STRING)) {
+ return parseString(value);
+ } else if (type.equals(XSD_INT)) {
+ return parseInt(value);
+ } else if (type.equals(XSD_INTEGER)) {
+ return parseInteger(value);
+ } else if (type.equals(XSD_INT)) {
+ return parseInt(value);
+ } else if (type.equals(XSD_FLOAT)) {
+ return parseFloat(value);
+ } else if (type.equals(XSD_DOUBLE)) {
+ return parseDouble(value);
+ } else if (type.equals(XSD_SHORT)) {
+ return parseShort(value);
+ } else if (type.equals(XSD_DECIMAL)) {
+ return parseDecimal(value);
+ } else if (type.equals(XSD_BOOLEAN)) {
+ return parseBoolean(value);
+ } else if (type.equals(XSD_BYTE)) {
+ return parseByte(value);
+ } else if (type.equals(XSD_LONG)) {
+ return parseLong(value);
+ } else if (type.equals(XSD_UNSIGNEDBYTE)) {
+ return parseUnsignedShort(value);
+ } else if (type.equals(XSD_UNSIGNEDSHORT)) {
+ return parseUnsignedShort(value);
+ } else if (type.equals(XSD_UNSIGNEDINT)) {
+ return parseUnsignedInt(value);
+ } else if (type.equals(XSD_UNSIGNEDLONG)) {
+ return parseUnsignedInt(value);
+ } else if (type.equals(XSD_DATETIME)) {
+ return parseDateTime(value);
+ } else if (type.equals(XSD_DATE)) {
+ return parseDate(value);
+ } else if (type.equals(XSD_TIME)) {
+ return parseTime(value);
+ } else if (type.equals(XSD_DURATION)) {
+ return parseDuration(value);
+ } else if (type.equals(XSD_HEXBIN)) {
+ return parseHexBinary(value);
+ } else if (type.equals(XSD_BASE64)) {
+ return parseBase64Binary(value);
+ } else if (type.equals(XSD_QNAME)) {
+ NamespaceContext namespaceContext =
+ (NamespaceContext)((context != null) ? context.getMetadata().get(NamespaceContext.class)
+ : null);
+ return parseQName(value, namespaceContext);
+ } else if (type.equals(XSD_NOTATION)) {
+ NamespaceContext namespaceContext =
+ (NamespaceContext)((context != null) ? context.getMetadata().get(NamespaceContext.class)
+ : null);
+ return parseQName(value, namespaceContext);
+ } else if (type.equals(XSD_YEAR)) {
+ return factory.newXMLGregorianCalendar(value);
+ } else if (type.equals(XSD_MONTH)) {
+ return factory.newXMLGregorianCalendar(value);
+ } else if (type.equals(XSD_DAY)) {
+ return factory.newXMLGregorianCalendar(value);
+ } else if (type.equals(XSD_YEARMONTH)) {
+ return factory.newXMLGregorianCalendar(value);
+ } else if (type.equals(XSD_MONTHDAY)) {
+ return factory.newXMLGregorianCalendar(value);
+ } else {
+ return value;
+ }
+ }
+
+ @SuppressWarnings("deprecation")
+ private XMLGregorianCalendar toXMLGregorianCalendar(Date date) {
+ GregorianCalendar c =
+ new GregorianCalendar(date.getYear(), date.getMonth(), date.getDate(), date.getHours(), date
+ .getMinutes(), date.getSeconds());
+ return factory.newXMLGregorianCalendar(c);
+ }
+
+ private XMLGregorianCalendar toXMLGregorianCalendar(GregorianCalendar calendar) {
+ return factory.newXMLGregorianCalendar(calendar);
+ }
+
+ public String toXMLLiteral(TypeInfo simpleType, Object obj, TransformationContext context) {
+ if (obj instanceof Float || obj instanceof Double) {
+ if (obj instanceof Float) {
+ return printDouble(((Float)obj).floatValue());
+ } else {
+ return printDouble(((Double)obj).doubleValue());
+ }
+ } else if (obj instanceof GregorianCalendar) {
+ GregorianCalendar calendar = (GregorianCalendar)obj;
+ return toXMLGregorianCalendar(calendar).toXMLFormat();
+ } else if (obj instanceof Date) {
+ return toXMLGregorianCalendar((Date)obj).toXMLFormat();
+ } else if (obj instanceof XMLGregorianCalendar) {
+ return ((XMLGregorianCalendar)obj).toXMLFormat();
+ } else if (obj instanceof byte[]) {
+ if (simpleType.getQName().equals(XSD_BASE64)) {
+ return printBase64Binary((byte[])obj);
+ } else if (simpleType.getQName().equals(XSD_HEXBIN)) {
+ return printHexBinary((byte[])obj);
+ }
+ } else if (obj instanceof QName) {
+ NamespaceContext namespaceContext =
+ (NamespaceContext)((context != null) ? context.getMetadata().get(NamespaceContext.class)
+ : null);
+ return printQName((QName)obj, namespaceContext);
+ }
+ return obj.toString();
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/TransformerExtension.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/TransformerExtension.java
new file mode 100644
index 0000000000..d4f2cef9a2
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/TransformerExtension.java
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.databinding.extension;
+
+import org.apache.tuscany.spi.annotation.Autowire;
+import org.apache.tuscany.spi.databinding.Transformer;
+import org.apache.tuscany.spi.databinding.TransformerRegistry;
+import org.osoa.sca.annotations.Init;
+import org.osoa.sca.annotations.Service;
+
+/**
+ * Base Implementation of Transformer which provides the registration to the transformer registry
+ */
+@org.osoa.sca.annotations.Scope("MODULE")
+@Service(Transformer.class)
+public abstract class TransformerExtension<S, T> implements Transformer {
+
+ protected TransformerRegistry registry;
+
+ protected TransformerExtension() {
+ super();
+ }
+
+ @Autowire
+ public void setTransformerRegistry(TransformerRegistry registry) {
+ this.registry = registry;
+ }
+
+ @Init(eager = true)
+ public void init() {
+ registry.registerTransformer(this);
+ }
+
+ protected abstract Class getSourceType();
+ protected abstract Class getTargetType();
+
+ public String getSourceDataBinding() {
+ return getSourceType().getName();
+ }
+
+ public String getTargetDataBinding() {
+ return getTargetType().getName();
+ }
+
+ public int getWeight() {
+ // default to 50
+ return 50;
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/XSDDataTypeConverter.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/XSDDataTypeConverter.java
new file mode 100644
index 0000000000..6e7cc8808f
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/databinding/extension/XSDDataTypeConverter.java
@@ -0,0 +1,940 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.spi.databinding.extension;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.Writer;
+import java.math.BigDecimal;
+import java.math.BigInteger;
+import java.text.FieldPosition;
+import java.text.Format;
+import java.text.ParsePosition;
+import java.util.Calendar;
+import java.util.TimeZone;
+import javax.xml.XMLConstants;
+import javax.xml.datatype.DatatypeConfigurationException;
+import javax.xml.datatype.DatatypeFactory;
+import javax.xml.datatype.Duration;
+import javax.xml.namespace.NamespaceContext;
+import javax.xml.namespace.QName;
+
+/**
+ * Utility class for XSD data type conversions
+ */
+public class XSDDataTypeConverter {
+ public static final class Base64Binary {
+ private static final char[] S_BASE64CHAR =
+ {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S',
+ 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
+ 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4',
+ '5', '6', '7', '8', '9', '+', '/'};
+
+ private static final char S_BASE64PAD = '=';
+
+ private static final byte[] S_DECODETABLE = new byte[128];
+
+ static {
+ for (int i = 0; i < S_DECODETABLE.length; i++) {
+ S_DECODETABLE[i] = Byte.MAX_VALUE; // 127
+ }
+ for (int i = 0; i < S_BASE64CHAR.length; i++) {
+ // 0 to 63
+ S_DECODETABLE[S_BASE64CHAR[i]] = (byte) i;
+ }
+ }
+
+ private Base64Binary() {
+ }
+
+ /**
+ *
+ */
+ public static byte[] decode(char[] data, int off, int len) {
+ char[] ibuf = new char[4];
+ int ibufcount = 0;
+ byte[] obuf = new byte[len / 4 * 3 + 3];
+ int obufcount = 0;
+ for (int i = off; i < off + len; i++) {
+ char ch = data[i];
+ if (ch == S_BASE64PAD || ch < S_DECODETABLE.length && S_DECODETABLE[ch] != Byte.MAX_VALUE) {
+ ibuf[ibufcount++] = ch;
+ if (ibufcount == ibuf.length) {
+ ibufcount = 0;
+ obufcount += decode0(ibuf, obuf, obufcount);
+ }
+ }
+ }
+ if (obufcount == obuf.length) {
+ return obuf;
+ }
+ byte[] ret = new byte[obufcount];
+ System.arraycopy(obuf, 0, ret, 0, obufcount);
+ return ret;
+ }
+
+ /**
+ *
+ */
+ public static void decode(char[] data, int off, int len, OutputStream ostream) throws IOException {
+ char[] ibuf = new char[4];
+ int ibufcount = 0;
+ byte[] obuf = new byte[3];
+ for (int i = off; i < off + len; i++) {
+ char ch = data[i];
+ if (ch == S_BASE64PAD || ch < S_DECODETABLE.length && S_DECODETABLE[ch] != Byte.MAX_VALUE) {
+ ibuf[ibufcount++] = ch;
+ if (ibufcount == ibuf.length) {
+ ibufcount = 0;
+ int obufcount = decode0(ibuf, obuf, 0);
+ ostream.write(obuf, 0, obufcount);
+ }
+ }
+ }
+ }
+
+ /**
+ *
+ */
+ public static byte[] decode(String data) {
+ char[] ibuf = new char[4];
+ int ibufcount = 0;
+ byte[] obuf = new byte[data.length() / 4 * 3 + 3];
+ int obufcount = 0;
+ for (int i = 0; i < data.length(); i++) {
+ char ch = data.charAt(i);
+ if (ch == S_BASE64PAD || ch < S_DECODETABLE.length && S_DECODETABLE[ch] != Byte.MAX_VALUE) {
+ ibuf[ibufcount++] = ch;
+ if (ibufcount == ibuf.length) {
+ ibufcount = 0;
+ obufcount += decode0(ibuf, obuf, obufcount);
+ }
+ }
+ }
+ if (obufcount == obuf.length) {
+ return obuf;
+ }
+ byte[] ret = new byte[obufcount];
+ System.arraycopy(obuf, 0, ret, 0, obufcount);
+ return ret;
+ }
+
+ /**
+ *
+ */
+ public static void decode(String data, OutputStream ostream) throws IOException {
+ char[] ibuf = new char[4];
+ int ibufcount = 0;
+ byte[] obuf = new byte[3];
+ for (int i = 0; i < data.length(); i++) {
+ char ch = data.charAt(i);
+ if (ch == S_BASE64PAD || ch < S_DECODETABLE.length && S_DECODETABLE[ch] != Byte.MAX_VALUE) {
+ ibuf[ibufcount++] = ch;
+ if (ibufcount == ibuf.length) {
+ ibufcount = 0;
+ int obufcount = decode0(ibuf, obuf, 0);
+ ostream.write(obuf, 0, obufcount);
+ }
+ }
+ }
+ }
+
+ private static int decode0(char[] ibuf, byte[] obuf, int index) {
+ int wp = index;
+ int outlen = 3;
+ if (ibuf[3] == S_BASE64PAD) {
+ outlen = 2;
+ }
+ if (ibuf[2] == S_BASE64PAD) {
+ outlen = 1;
+ }
+ int b0 = S_DECODETABLE[ibuf[0]];
+ int b1 = S_DECODETABLE[ibuf[1]];
+ int b2 = S_DECODETABLE[ibuf[2]];
+ int b3 = S_DECODETABLE[ibuf[3]];
+ switch (outlen) {
+ case 1:
+ obuf[wp] = (byte) (b0 << 2 & 0xfc | b1 >> 4 & 0x3);
+ return 1;
+ case 2:
+ obuf[wp++] = (byte) (b0 << 2 & 0xfc | b1 >> 4 & 0x3);
+ obuf[wp] = (byte) (b1 << 4 & 0xf0 | b2 >> 2 & 0xf);
+ return 2;
+ case 3:
+ obuf[wp++] = (byte) (b0 << 2 & 0xfc | b1 >> 4 & 0x3);
+ obuf[wp++] = (byte) (b1 << 4 & 0xf0 | b2 >> 2 & 0xf);
+ obuf[wp] = (byte) (b2 << 6 & 0xc0 | b3 & 0x3f);
+ return 3;
+ default:
+ throw new IllegalArgumentException("The character sequence is not base64 encoded.");
+ }
+ }
+
+ /**
+ * Returns base64 representation of specified byte array.
+ */
+ public static String encode(byte[] data) {
+ return encode(data, 0, data.length);
+ }
+
+ /**
+ * Returns base64 representation of specified byte array.
+ */
+ public static String encode(byte[] data, int off, int len) {
+ if (len <= 0) {
+ return "";
+ }
+ char[] out = new char[len / 3 * 4 + 4];
+ int rindex = off;
+ int windex = 0;
+ int rest = len - off;
+ while (rest >= 3) {
+ int i =
+ ((data[rindex] & 0xff) << 16) + ((data[rindex + 1] & 0xff) << 8)
+ + (data[rindex + 2] & 0xff);
+ out[windex++] = S_BASE64CHAR[i >> 18];
+ out[windex++] = S_BASE64CHAR[(i >> 12) & 0x3f];
+ out[windex++] = S_BASE64CHAR[(i >> 6) & 0x3f];
+ out[windex++] = S_BASE64CHAR[i & 0x3f];
+ rindex += 3;
+ rest -= 3;
+ }
+ if (rest == 1) {
+ int i = data[rindex] & 0xff;
+ out[windex++] = S_BASE64CHAR[i >> 2];
+ out[windex++] = S_BASE64CHAR[(i << 4) & 0x3f];
+ out[windex++] = S_BASE64PAD;
+ out[windex++] = S_BASE64PAD;
+ } else if (rest == 2) {
+ int i = ((data[rindex] & 0xff) << 8) + (data[rindex + 1] & 0xff);
+ out[windex++] = S_BASE64CHAR[i >> 10];
+ out[windex++] = S_BASE64CHAR[(i >> 4) & 0x3f];
+ out[windex++] = S_BASE64CHAR[(i << 2) & 0x3f];
+ out[windex++] = S_BASE64PAD;
+ }
+ return new String(out, 0, windex);
+ }
+
+ /**
+ * Outputs base64 representation of the specified byte array to a byte stream.
+ */
+ public static void encode(byte[] data, int off, int len, OutputStream ostream) throws IOException {
+ if (len <= 0) {
+ return;
+ }
+ byte[] out = new byte[4];
+ int rindex = off;
+ int rest = len - off;
+ while (rest >= 3) {
+ int i =
+ ((data[rindex] & 0xff) << 16) + ((data[rindex + 1] & 0xff) << 8)
+ + (data[rindex + 2] & 0xff);
+ out[0] = (byte) S_BASE64CHAR[i >> 18];
+ out[1] = (byte) S_BASE64CHAR[(i >> 12) & 0x3f];
+ out[2] = (byte) S_BASE64CHAR[(i >> 6) & 0x3f];
+ out[3] = (byte) S_BASE64CHAR[i & 0x3f];
+ ostream.write(out, 0, 4);
+ rindex += 3;
+ rest -= 3;
+ }
+ if (rest == 1) {
+ int i = data[rindex] & 0xff;
+ out[0] = (byte) S_BASE64CHAR[i >> 2];
+ out[1] = (byte) S_BASE64CHAR[(i << 4) & 0x3f];
+ out[2] = (byte) S_BASE64PAD;
+ out[3] = (byte) S_BASE64PAD;
+ ostream.write(out, 0, 4);
+ } else if (rest == 2) {
+ int i = ((data[rindex] & 0xff) << 8) + (data[rindex + 1] & 0xff);
+ out[0] = (byte) S_BASE64CHAR[i >> 10];
+ out[1] = (byte) S_BASE64CHAR[(i >> 4) & 0x3f];
+ out[2] = (byte) S_BASE64CHAR[(i << 2) & 0x3f];
+ out[3] = (byte) S_BASE64PAD;
+ ostream.write(out, 0, 4);
+ }
+ }
+
+ /**
+ * Outputs base64 representation of the specified byte array to a character stream.
+ */
+ public static void encode(byte[] data, int off, int len, Writer writer) throws IOException {
+ if (len <= 0) {
+ return;
+ }
+ char[] out = new char[4];
+ int rindex = off;
+ int rest = len - off;
+ int output = 0;
+ while (rest >= 3) {
+ int i =
+ ((data[rindex] & 0xff) << 16) + ((data[rindex + 1] & 0xff) << 8)
+ + (data[rindex + 2] & 0xff);
+ out[0] = S_BASE64CHAR[i >> 18];
+ out[1] = S_BASE64CHAR[(i >> 12) & 0x3f];
+ out[2] = S_BASE64CHAR[(i >> 6) & 0x3f];
+ out[3] = S_BASE64CHAR[i & 0x3f];
+ writer.write(out, 0, 4);
+ rindex += 3;
+ rest -= 3;
+ output += 4;
+ if (output % 76 == 0) {
+ writer.write("\n");
+ }
+ }
+ if (rest == 1) {
+ int i = data[rindex] & 0xff;
+ out[0] = S_BASE64CHAR[i >> 2];
+ out[1] = S_BASE64CHAR[(i << 4) & 0x3f];
+ out[2] = S_BASE64PAD;
+ out[3] = S_BASE64PAD;
+ writer.write(out, 0, 4);
+ } else if (rest == 2) {
+ int i = ((data[rindex] & 0xff) << 8) + (data[rindex + 1] & 0xff);
+ out[0] = S_BASE64CHAR[i >> 10];
+ out[1] = S_BASE64CHAR[(i >> 4) & 0x3f];
+ out[2] = S_BASE64CHAR[(i << 2) & 0x3f];
+ out[3] = S_BASE64PAD;
+ writer.write(out, 0, 4);
+ }
+ }
+ }
+
+ /**
+ * <p/>
+ * Utility class for xs:hexbinary. </p>
+ */
+ public static final class HexBinary {
+ private HexBinary() {
+ }
+
+ /**
+ * Converts the string <code>pValue</code> into an array of hex bytes.
+ */
+ public static byte[] decode(String pValue) {
+ if ((pValue.length() % 2) != 0) {
+ throw new IllegalArgumentException("A HexBinary string must have even length.");
+ }
+ byte[] result = new byte[pValue.length() / 2];
+ int j = 0;
+ int i = 0;
+ while (i < pValue.length()) {
+ byte b;
+ char c = pValue.charAt(i++);
+ char d = pValue.charAt(i++);
+ if (c >= '0' && c <= '9') {
+ b = (byte) ((c - '0') << 4);
+ } else if (c >= 'A' && c <= 'F') {
+ b = (byte) ((c - 'A' + 10) << 4);
+ } else if (c >= 'a' && c <= 'f') {
+ b = (byte) ((c - 'a' + 10) << 4);
+ } else {
+ throw new IllegalArgumentException("Invalid hex digit: " + c);
+ }
+ if (d >= '0' && d <= '9') {
+ b += (byte) (d - '0');
+ } else if (d >= 'A' && d <= 'F') {
+ b += (byte) (d - 'A' + 10);
+ } else if (d >= 'a' && d <= 'f') {
+ b += (byte) (d - 'a' + 10);
+ } else {
+ throw new IllegalArgumentException("Invalid hex digit: " + d);
+ }
+ result[j++] = b;
+ }
+ return result;
+ }
+
+ /**
+ * Converts the byte array <code>pHexBinary</code> into a string.
+ */
+ public static String encode(byte[] pHexBinary) {
+ StringBuffer result = new StringBuffer();
+ for (int i = 0; i < pHexBinary.length; i++) {
+ byte b = pHexBinary[i];
+ byte c = (byte) ((b & 0xf0) >> 4);
+ if (c <= 9) {
+ result.append((char) ('0' + c));
+ } else {
+ result.append((char) ('A' + c - 10));
+ }
+ c = (byte) (b & 0x0f);
+ if (c <= 9) {
+ result.append((char) ('0' + c));
+ } else {
+ result.append((char) ('A' + c - 10));
+ }
+ }
+ return result.toString();
+ }
+
+ /**
+ * Creates a clone of the given byte array.
+ */
+ public static byte[] getClone(byte[] pHexBinary) {
+ byte[] result = new byte[pHexBinary.length];
+ System.arraycopy(pHexBinary, 0, result, 0, pHexBinary.length);
+ return result;
+ }
+ }
+
+ public class XSDDateFormat extends XSDDateTimeFormat {
+ private static final long serialVersionUID = -1629412916827246627L;
+
+ /**
+ * Creates a new instance.
+ */
+ public XSDDateFormat() {
+ super(true, false);
+ }
+ }
+
+ /**
+ * <p/>
+ * An instance of {@link java.text.Format}, which may be used to parse and format <code>xs:dateTime</code> values.
+ * </p>
+ */
+ public static class XSDDateTimeFormat extends Format {
+ private static final long serialVersionUID = -1148332471737068969L;
+
+ final boolean parseDate;
+
+ final boolean parseTime;
+
+ /**
+ * Creates a new instance.
+ */
+ public XSDDateTimeFormat() {
+ this(true, true);
+ }
+
+ XSDDateTimeFormat(boolean pParseDate, boolean pParseTime) {
+ parseDate = pParseDate;
+ parseTime = pParseTime;
+ }
+
+ private void append(StringBuffer pBuffer, int pNum, int pMinLen) {
+ String s = Integer.toString(pNum);
+ for (int i = s.length(); i < pMinLen; i++) {
+ pBuffer.append('0');
+ }
+ pBuffer.append(s);
+ }
+
+ public StringBuffer format(Object pCalendar, StringBuffer pBuffer, FieldPosition pPos) {
+ assert pCalendar != null : "The Calendar argument must not be null.";
+ assert pBuffer != null : "The StringBuffer argument must not be null.";
+ assert pPos != null : "The FieldPosition argument must not be null.";
+
+ Calendar cal = (Calendar) pCalendar;
+ if (parseDate) {
+ int year = cal.get(Calendar.YEAR);
+ if (year < 0) {
+ pBuffer.append('-');
+ year = -year;
+ }
+ append(pBuffer, year, 4);
+ pBuffer.append('-');
+ append(pBuffer, cal.get(Calendar.MONTH) + 1, 2);
+ pBuffer.append('-');
+ append(pBuffer, cal.get(Calendar.DAY_OF_MONTH), 2);
+ if (parseTime) {
+ pBuffer.append('T');
+ }
+ }
+ if (parseTime) {
+ append(pBuffer, cal.get(Calendar.HOUR_OF_DAY), 2);
+ pBuffer.append(':');
+ append(pBuffer, cal.get(Calendar.MINUTE), 2);
+ pBuffer.append(':');
+ append(pBuffer, cal.get(Calendar.SECOND), 2);
+ int millis = cal.get(Calendar.MILLISECOND);
+ if (millis > 0) {
+ pBuffer.append('.');
+ append(pBuffer, millis, 3);
+ }
+ }
+ TimeZone tz = cal.getTimeZone();
+ // JDK 1.4: int offset = tz.getOffset(cal.getTimeInMillis());
+ int offset = cal.get(Calendar.ZONE_OFFSET);
+ if (tz.inDaylightTime(cal.getTime())) {
+ offset += cal.get(Calendar.DST_OFFSET);
+ }
+ if (offset == 0) {
+ pBuffer.append('Z');
+ } else {
+ if (offset < 0) {
+ pBuffer.append('-');
+ offset = -offset;
+ } else {
+ pBuffer.append('+');
+ }
+ int minutes = offset / (60 * 1000);
+ int hours = minutes / 60;
+ minutes -= hours * 60;
+ append(pBuffer, hours, 2);
+ pBuffer.append(':');
+ append(pBuffer, minutes, 2);
+ }
+ return pBuffer;
+ }
+
+ private int parseInt(String pString, int offset, StringBuffer pDigits) {
+ int length = pString.length();
+ int pOffset = offset;
+ pDigits.setLength(0);
+ while (pOffset < length) {
+ char c = pString.charAt(pOffset);
+ if (Character.isDigit(c)) {
+ pDigits.append(c);
+ ++pOffset;
+ } else {
+ break;
+ }
+ }
+ return pOffset;
+ }
+
+ public Object parseObject(String pString, ParsePosition pParsePosition) {
+ assert pString != null : "The String argument must not be null.";
+ assert pParsePosition != null : "The ParsePosition argument must not be null.";
+ int offset = pParsePosition.getIndex();
+ int length = pString.length();
+
+ boolean isMinus = false;
+ StringBuffer digits = new StringBuffer();
+ int year = 0;
+ int month = 0;
+ int mday = 0;
+ if (parseDate) {
+ // Sign
+ if (offset < length) {
+ char c = pString.charAt(offset);
+ if (c == '+') {
+ ++offset;
+ } else if (c == '-') {
+ ++offset;
+ isMinus = true;
+ }
+ }
+
+ offset = parseInt(pString, offset, digits);
+ if (digits.length() < 4) {
+ pParsePosition.setErrorIndex(offset);
+ return null;
+ }
+ year = Integer.parseInt(digits.toString());
+
+ if (offset < length && pString.charAt(offset) == '-') {
+ ++offset;
+ } else {
+ pParsePosition.setErrorIndex(offset);
+ return null;
+ }
+
+ offset = parseInt(pString, offset, digits);
+ if (digits.length() != 2) {
+ pParsePosition.setErrorIndex(offset);
+ return null;
+ }
+ month = Integer.parseInt(digits.toString());
+
+ if (offset < length && pString.charAt(offset) == '-') {
+ ++offset;
+ } else {
+ pParsePosition.setErrorIndex(offset);
+ return null;
+ }
+
+ offset = parseInt(pString, offset, digits);
+ if (digits.length() != 2) {
+ pParsePosition.setErrorIndex(offset);
+ return null;
+ }
+ mday = Integer.parseInt(digits.toString());
+
+ if (parseTime) {
+ if (offset < length && pString.charAt(offset) == 'T') {
+ ++offset;
+ } else {
+ pParsePosition.setErrorIndex(offset);
+ return null;
+ }
+ }
+ } else {
+ year = month = mday = 0;
+ }
+
+ int hour = 0;
+ int minute = 0;
+ int second = 0;
+ int millis = 0;
+ if (parseTime) {
+ offset = parseInt(pString, offset, digits);
+ if (digits.length() != 2) {
+ pParsePosition.setErrorIndex(offset);
+ return null;
+ }
+ hour = Integer.parseInt(digits.toString());
+
+ if (offset < length && pString.charAt(offset) == ':') {
+ ++offset;
+ } else {
+ pParsePosition.setErrorIndex(offset);
+ return null;
+ }
+
+ offset = parseInt(pString, offset, digits);
+ if (digits.length() != 2) {
+ pParsePosition.setErrorIndex(offset);
+ return null;
+ }
+ minute = Integer.parseInt(digits.toString());
+
+ if (offset < length && pString.charAt(offset) == ':') {
+ ++offset;
+ } else {
+ pParsePosition.setErrorIndex(offset);
+ return null;
+ }
+
+ offset = parseInt(pString, offset, digits);
+ if (digits.length() != 2) {
+ pParsePosition.setErrorIndex(offset);
+ return null;
+ }
+ second = Integer.parseInt(digits.toString());
+
+ if (offset < length && pString.charAt(offset) == '.') {
+ ++offset;
+ offset = parseInt(pString, offset, digits);
+ if (digits.length() > 0) {
+ millis = Integer.parseInt(digits.toString());
+ } else {
+ millis = 0;
+ }
+ } else {
+ millis = 0;
+ }
+ } else {
+ hour = minute = second = millis = 0;
+ }
+
+ digits.setLength(0);
+ digits.append("GMT");
+ if (offset < length) {
+ char c = pString.charAt(offset);
+ if (c == 'Z') {
+ // Ignore UTC, it is the default
+ ++offset;
+ } else if (c == '+' || c == '-') {
+ digits.append(c);
+ ++offset;
+ for (int i = 0; i < 5; i++) {
+ if (offset >= length) {
+ pParsePosition.setErrorIndex(offset);
+ return null;
+ }
+ c = pString.charAt(offset);
+ if ((i != 2 && Character.isDigit(c)) || (i == 2 && c == ':')) {
+ digits.append(c);
+ } else {
+ pParsePosition.setErrorIndex(offset);
+ return null;
+ }
+ ++offset;
+ }
+ }
+ }
+
+ Calendar cal = Calendar.getInstance(TimeZone.getTimeZone(digits.toString()));
+ cal.set(isMinus ? -year : year, parseDate ? month - 1 : month, mday, hour, minute, second);
+ cal.set(Calendar.MILLISECOND, millis);
+ pParsePosition.setIndex(offset);
+ return cal;
+ }
+ }
+
+ public static class XSDTimeFormat extends XSDDateTimeFormat {
+ private static final long serialVersionUID = 1346506860724640517L;
+
+ /**
+ * Creates a new instance.
+ */
+ public XSDTimeFormat() {
+ super(false, true);
+ }
+ }
+
+ private static final long MAX_UNSIGNED_INT = (((long) Integer.MAX_VALUE) * 2) + 1;
+
+ private static final int MAX_UNSIGNED_SHORT = Short.MAX_VALUE * 2 + 1;
+
+ public String parseAnySimpleType(String value) {
+ return value;
+ }
+
+ public byte[] parseBase64Binary(String value) {
+ return Base64Binary.decode(value);
+ }
+
+ public boolean parseBoolean(String value) {
+ return Boolean.valueOf(value).booleanValue();
+ }
+
+ public byte parseByte(String value) {
+ return Byte.parseByte(value);
+ }
+
+ public Calendar parseDate(String value) {
+ XSDDateFormat format = new XSDDateFormat();
+ ParsePosition pos = new ParsePosition(0);
+ Calendar cal = (Calendar) format.parseObject(value, pos);
+ if (cal == null) {
+ throw new IllegalArgumentException("Failed to parse date " + value + " at:"
+ + value.substring(pos.getErrorIndex()));
+ }
+ return cal;
+ }
+
+ public Calendar parseDateTime(String value) {
+ XSDDateTimeFormat format = new XSDDateTimeFormat();
+ ParsePosition pos = new ParsePosition(0);
+ Calendar cal = (Calendar) format.parseObject(value, pos);
+ if (cal == null) {
+ throw new IllegalArgumentException("Failed to parse dateTime " + value + " at:"
+ + value.substring(pos.getErrorIndex()));
+ }
+ return cal;
+ }
+
+ public BigDecimal parseDecimal(String value) {
+ return new BigDecimal(value);
+ }
+
+ public double parseDouble(String value) {
+ if ("INF".equals(value)) {
+ return Double.POSITIVE_INFINITY;
+ } else if ("-INF".equals(value)) {
+ return Double.NEGATIVE_INFINITY;
+ } else if ("NaN".equals(value)) {
+ return Double.NaN;
+ } else {
+ return Double.parseDouble(value);
+ }
+ }
+
+ public Duration parseDuration(String pDuration) {
+ try {
+ return DatatypeFactory.newInstance().newDuration(pDuration);
+ } catch (DatatypeConfigurationException e) {
+ throw new IllegalArgumentException(e);
+ }
+ }
+
+ public float parseFloat(String value) {
+ if ("INF".equals(value)) {
+ return Float.POSITIVE_INFINITY;
+ } else if ("-INF".equals(value)) {
+ return Float.NEGATIVE_INFINITY;
+ } else if ("NaN".equals(value)) {
+ return Float.NaN;
+ } else {
+ return Float.parseFloat(value);
+ }
+ }
+
+ public byte[] parseHexBinary(String value) {
+ return HexBinary.decode(value);
+ }
+
+ public int parseInt(String value) {
+ return Integer.parseInt(value);
+ }
+
+ public BigInteger parseInteger(String value) {
+ return new BigInteger(value);
+ }
+
+ public long parseLong(String value) {
+ return Long.parseLong(value);
+ }
+
+ public QName parseQName(String value, NamespaceContext context) {
+ int offset = value.indexOf(':');
+ String uri;
+ String localName;
+ switch (offset) {
+ case -1:
+ localName = value;
+ uri = context.getNamespaceURI("");
+ if (uri == null) {
+ // Should not happen, indicates an error in the
+ // NamespaceContext
+ // implementation
+ throw new IllegalArgumentException("The default prefix is not bound.");
+ }
+ break;
+ case 0:
+ throw new IllegalArgumentException("Default prefix must be indicated by not using a colon: "
+ + value);
+ default:
+ String prefix = value.substring(0, offset);
+ localName = value.substring(offset + 1);
+ uri = context.getNamespaceURI(prefix);
+ if (uri == null) {
+ throw new IllegalArgumentException("The prefix " + prefix + " is not bound.");
+ }
+ }
+ return new QName(uri, localName);
+ }
+
+ public short parseShort(String value) {
+ return Short.parseShort(value);
+ }
+
+ public String parseString(String value) {
+ return value;
+ }
+
+ public Calendar parseTime(String value) {
+ XSDTimeFormat format = new XSDTimeFormat();
+ ParsePosition pos = new ParsePosition(0);
+ Calendar cal = (Calendar) format.parseObject(value, pos);
+ if (cal == null) {
+ throw new IllegalArgumentException("Failed to parse time " + value + " at:"
+ + value.substring(pos.getErrorIndex()));
+ }
+ return cal;
+ }
+
+ public long parseUnsignedInt(String value) {
+ long l = Long.parseLong(value);
+ if (l < 0) {
+ throw new IllegalArgumentException("Failed to parse UnsignedInt " + value
+ + ": result is negative");
+ }
+ if (l > MAX_UNSIGNED_INT) {
+ throw new IllegalArgumentException("Failed to parse UnsignedInt " + value
+ + ": result exceeds maximum value " + MAX_UNSIGNED_INT);
+ }
+ return l;
+ }
+
+ public int parseUnsignedShort(String value) {
+ int i = Integer.parseInt(value);
+ if (i < 0) {
+ throw new IllegalArgumentException("Failed to parse UnsignedShort " + value
+ + ": result is negative");
+ }
+ if (i > MAX_UNSIGNED_SHORT) {
+ throw new IllegalArgumentException("Failed to parse UnsignedShort " + value
+ + ": result exceeds maximum value " + MAX_UNSIGNED_SHORT);
+ }
+ return i;
+ }
+
+ public String printAnySimpleType(String value) {
+ return value;
+ }
+
+ public String printBase64Binary(byte[] value) {
+ return Base64Binary.encode(value);
+ }
+
+ public String printBoolean(boolean value) {
+ return (value ? Boolean.TRUE : Boolean.FALSE).toString();
+ }
+
+ public String printByte(byte value) {
+ return Byte.toString(value);
+ }
+
+ public String printDate(Calendar value) {
+ return new XSDDateFormat().format(value);
+ }
+
+ public String printDateTime(Calendar value) {
+ return new XSDDateTimeFormat().format(value);
+ }
+
+ public String printDecimal(BigDecimal value) {
+ return value.toString();
+ }
+
+ public String printDouble(double value) {
+ return Double.toString(value);
+ }
+
+ public String printDuration(Duration pDuration) {
+ return pDuration.toString();
+ }
+
+ public String printFloat(float value) {
+ return Float.toString(value);
+ }
+
+ public String printHexBinary(byte[] value) {
+ return HexBinary.encode(value);
+ }
+
+ public String printInt(int value) {
+ return Integer.toString(value);
+ }
+
+ public String printInteger(BigInteger value) {
+ return value.toString();
+ }
+
+ public String printLong(long value) {
+ return Long.toString(value);
+ }
+
+ public String printQName(QName value, NamespaceContext context) {
+ String prefix = context.getPrefix(value.getNamespaceURI());
+ if (prefix == null) {
+ throw new IllegalArgumentException("The namespace URI " + value.getNamespaceURI()
+ + " is not bound.");
+ } else if (XMLConstants.DEFAULT_NS_PREFIX.equals(prefix)) {
+ return value.getLocalPart();
+ } else {
+ return prefix + ":" + value.getLocalPart();
+ }
+ }
+
+ public String printShort(short value) {
+ return Short.toString(value);
+ }
+
+ public String printString(String value) {
+ return value;
+ }
+
+ public String printTime(Calendar value) {
+ return new XSDTimeFormat().format(value);
+ }
+
+ public String printUnsignedInt(long value) {
+ return Long.toString(value);
+ }
+
+ public String printUnsignedShort(int value) {
+ return Integer.toString(value);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/deployer/CompositeClassLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/deployer/CompositeClassLoader.java
new file mode 100644
index 0000000000..63db5b9e24
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/deployer/CompositeClassLoader.java
@@ -0,0 +1,52 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.deployer;
+
+import java.net.URLClassLoader;
+import java.net.URL;
+import java.net.URLStreamHandlerFactory;
+
+/**
+ * ClassLoader associated with a composite.
+ *
+ * @version $Rev$ $Date$
+ */
+public class CompositeClassLoader extends URLClassLoader {
+ private static final URL[] NOURLS = {};
+
+ public CompositeClassLoader(ClassLoader classLoader) {
+ super(NOURLS, classLoader);
+ }
+
+ public CompositeClassLoader(URL[] urls, ClassLoader classLoader) {
+ super(urls, classLoader);
+ }
+
+ public CompositeClassLoader(URL[] urls) {
+ super(urls);
+ }
+
+ public CompositeClassLoader(URL[] urls, ClassLoader classLoader, URLStreamHandlerFactory urlStreamHandlerFactory) {
+ super(urls, classLoader, urlStreamHandlerFactory);
+ }
+
+ public void addURL(URL url) {
+ super.addURL(url);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/deployer/Deployer.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/deployer/Deployer.java
new file mode 100644
index 0000000000..4e53a5d0ea
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/deployer/Deployer.java
@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.deployer;
+
+import org.apache.tuscany.spi.component.Component;
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.loader.LoaderException;
+import org.apache.tuscany.spi.model.ComponentDefinition;
+import org.apache.tuscany.spi.model.Implementation;
+
+/**
+ * Interface that can be used to deploy SCA bundles to a runtime.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface Deployer {
+ /**
+ * Deploy a component as a child of the supplied parent. This operation creates a new component in the runtime to
+ * represent the supplied component definition. The type of component created will depend on the component
+ * definition implementation; for example, if the implementation of the component definition is a composite then
+ * typically a CompositeComponent would be returned.
+ *
+ * @param parent the parent context
+ * @param componentDefinition the component definition as parsed from an assembly
+ * @return the newly deployed component
+ */
+ <I extends Implementation<?>> Component deploy(CompositeComponent parent,
+ ComponentDefinition<I> componentDefinition)
+ throws LoaderException;
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/deployer/DeploymentContext.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/deployer/DeploymentContext.java
new file mode 100644
index 0000000000..1a3a2ffb75
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/deployer/DeploymentContext.java
@@ -0,0 +1,84 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.deployer;
+
+import java.net.URL;
+import javax.xml.stream.XMLInputFactory;
+
+import org.apache.tuscany.spi.component.ScopeContainer;
+
+/**
+ * A holder that can be used during the load process to store information that is not part of the logical assembly
+ * model. This should be regarded as transient and references to this context should not be stored inside the model.
+ *
+ * $Rev$ $Date$
+ */
+public interface DeploymentContext {
+ /**
+ * Returns the parent of this deployment context.
+ * Will be null for the context created at the root of a deployment.
+ *
+ * @return the parent of this deployment context; may be null
+ */
+ DeploymentContext getParent();
+
+ /**
+ * Returns a class loader that can be used to load application resources.
+ *
+ * @return a class loader that can be used to load application resources
+ */
+ ClassLoader getClassLoader();
+
+ /**
+ * Returns a factory that can be used to obtain an StAX XMLStreamReader.
+ *
+ * @return a factory that can be used to obtain an StAX XMLStreamReader
+ */
+ XMLInputFactory getXmlFactory();
+
+ /**
+ * Returns the ScopeContainer for the MODULE scope that will be associated with this deployment unit.
+ *
+ * @return the ScopeContainer for the MODULE scope that will be associated with this deployment unit
+ */
+ ScopeContainer getModuleScope();
+
+ /**
+ * Returns the location of the SCDL definition being deployed.
+ *
+ * @return the location of the SCDL definition being deployed
+ */
+ URL getScdlLocation();
+
+ /**
+ * Return the extension property with the supplied name.
+ *
+ * @param name the name of the property
+ * @return the property value; if null indicates that no property is present
+ */
+ Object getExtension(String name);
+
+ /**
+ * Set the value of an extension property.
+ *
+ * @param name the name of the property
+ * @param value the property value; if null then the extension property is removed
+ */
+ void putExtension(String name, Object value);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/event/Event.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/event/Event.java
new file mode 100644
index 0000000000..b874ca43c9
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/event/Event.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.event;
+
+/**
+ * Represents an event that is propagated in the runtime
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public interface Event {
+
+ /**
+ * Returns the source of the event
+ */
+ Object getSource();
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/event/EventFilter.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/event/EventFilter.java
new file mode 100644
index 0000000000..d61d04cdc8
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/event/EventFilter.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.event;
+
+/**
+ * Evaluates whether a {@link RuntimeEventListener} is applicable to a given runtime event
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public interface EventFilter {
+
+ /**
+ * Performs the actual evaluation on an event
+ */
+ boolean match(Event event);
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/event/EventPublisher.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/event/EventPublisher.java
new file mode 100644
index 0000000000..35df22fb9c
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/event/EventPublisher.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.event;
+
+/**
+ * Publishes events in the runtime
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public interface EventPublisher {
+
+ /**
+ * Publish an event
+ */
+ void publish(Event object);
+
+ /**
+ * Registers a listener to receive notifications for the context
+ */
+ void addListener(RuntimeEventListener listener);
+
+ /**
+ * Registers a listener to receive notifications for the context
+ */
+ void addListener(EventFilter filter, RuntimeEventListener listener);
+
+
+ /**
+ * Removes a previously registered listener
+ */
+ void removeListener(RuntimeEventListener listener);
+
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/event/RuntimeEventListener.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/event/RuntimeEventListener.java
new file mode 100644
index 0000000000..5146559098
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/event/RuntimeEventListener.java
@@ -0,0 +1,31 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.event;
+
+import java.util.EventListener;
+
+/**
+ * Listeners observe events fired in the SCA runtime.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface RuntimeEventListener extends EventListener {
+
+ void onEvent(Event event);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/event/TrueFilter.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/event/TrueFilter.java
new file mode 100644
index 0000000000..81382b86ac
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/event/TrueFilter.java
@@ -0,0 +1,31 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.event;
+
+/**
+ * An event filter that always returns a true condition
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public class TrueFilter implements EventFilter {
+
+ public boolean match(Event event) {
+ return true;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/AtomicComponentExtension.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/AtomicComponentExtension.java
new file mode 100644
index 0000000000..2a74409088
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/AtomicComponentExtension.java
@@ -0,0 +1,149 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.extension;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.tuscany.spi.CoreRuntimeException;
+import org.apache.tuscany.spi.component.AbstractSCAObject;
+import org.apache.tuscany.spi.component.AtomicComponent;
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.component.ScopeContainer;
+import org.apache.tuscany.spi.component.TargetException;
+import org.apache.tuscany.spi.component.WorkContext;
+import org.apache.tuscany.spi.model.Operation;
+import org.apache.tuscany.spi.model.Scope;
+import org.apache.tuscany.spi.services.work.WorkScheduler;
+import org.apache.tuscany.spi.wire.InboundWire;
+import org.apache.tuscany.spi.wire.OutboundWire;
+import org.apache.tuscany.spi.wire.TargetInvoker;
+import org.apache.tuscany.spi.wire.WireService;
+
+/**
+ * An extension point for atomic component type, which new implementation types may extend
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public abstract class AtomicComponentExtension extends AbstractSCAObject implements AtomicComponent {
+
+ protected ScopeContainer scopeContainer;
+ protected Scope scope;
+ protected Map<String, InboundWire> serviceWires = new HashMap<String, InboundWire>();
+ protected Map<String, List<OutboundWire>> referenceWires = new HashMap<String, List<OutboundWire>>();
+ protected WireService wireService;
+ protected WorkContext workContext;
+ protected WorkScheduler workScheduler;
+ private final int initLevel;
+
+ protected AtomicComponentExtension(String name,
+ CompositeComponent parent,
+ ScopeContainer scopeContainer,
+ WireService wireService,
+ WorkContext workContext,
+ WorkScheduler workScheduler,
+ int initLevel) {
+ super(name, parent);
+ this.scopeContainer = scopeContainer;
+ this.wireService = wireService;
+ this.workContext = workContext;
+ this.workScheduler = workScheduler;
+ this.initLevel = initLevel;
+ }
+
+ public Scope getScope() {
+ return scope;
+ }
+
+ public int getInitLevel() {
+ return initLevel;
+ }
+
+ public boolean isEagerInit() {
+ return initLevel > 0;
+ }
+
+ public void start() throws CoreRuntimeException {
+ super.start();
+ scopeContainer.register(this);
+ }
+
+ public void init(Object instance) throws TargetException {
+
+ }
+
+ public void destroy(Object instance) throws TargetException {
+
+ }
+
+ public void addInboundWire(InboundWire wire) {
+ serviceWires.put(wire.getServiceName(), wire);
+ onServiceWire(wire);
+ }
+
+ public InboundWire getInboundWire(String serviceName) {
+ if (serviceName == null) {
+ if (serviceWires.size() < 1) {
+ return null;
+ }
+ return serviceWires.values().iterator().next();
+ } else {
+ return serviceWires.get(serviceName);
+ }
+ }
+
+ public Map<String, InboundWire> getInboundWires() {
+ return Collections.unmodifiableMap(serviceWires);
+ }
+
+ public void addOutboundWire(OutboundWire wire) {
+ List<OutboundWire> list = new ArrayList<OutboundWire>();
+ list.add(wire);
+ referenceWires.put(wire.getReferenceName(), list);
+ onReferenceWire(wire);
+ }
+
+ public Map<String, List<OutboundWire>> getOutboundWires() {
+ return Collections.unmodifiableMap(referenceWires);
+ }
+
+ public void addOutboundWires(Class<?> multiplicityClass, List<OutboundWire> wires) {
+ assert wires != null && wires.size() > 0;
+ referenceWires.put(wires.get(0).getReferenceName(), wires);
+ onReferenceWires(multiplicityClass, wires);
+ }
+
+ public TargetInvoker createAsyncTargetInvoker(InboundWire wire, Operation operation) {
+ throw new UnsupportedOperationException();
+ }
+
+ protected void onReferenceWire(OutboundWire wire) {
+ }
+
+ protected void onReferenceWires(Class<?> multiplicityClass, List<OutboundWire> wires) {
+ }
+
+ protected void onServiceWire(InboundWire wire) {
+ }
+
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/BindingBuilderExtension.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/BindingBuilderExtension.java
new file mode 100644
index 0000000000..170840ac32
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/BindingBuilderExtension.java
@@ -0,0 +1,76 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.extension;
+
+import org.osoa.sca.annotations.Init;
+import org.osoa.sca.annotations.Scope;
+
+import org.apache.tuscany.spi.annotation.Autowire;
+import org.apache.tuscany.spi.builder.BindingBuilder;
+import org.apache.tuscany.spi.builder.BuilderRegistry;
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.component.Reference;
+import org.apache.tuscany.spi.component.Service;
+import org.apache.tuscany.spi.deployer.DeploymentContext;
+import org.apache.tuscany.spi.model.Binding;
+import org.apache.tuscany.spi.model.BoundReferenceDefinition;
+import org.apache.tuscany.spi.model.BoundServiceDefinition;
+import org.apache.tuscany.spi.wire.WireService;
+
+/**
+ * An extension point for binding builders. When adding support for new bindings, implementations may extend this class
+ * as a convenience.
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+@Scope("MODULE")
+public abstract class BindingBuilderExtension<B extends Binding> implements BindingBuilder<B> {
+
+ protected BuilderRegistry builderRegistry;
+ protected WireService wireService;
+
+ @Autowire
+ public void setBuilderRegistry(BuilderRegistry registry) {
+ this.builderRegistry = registry;
+ }
+
+ @Autowire
+ public void setWireService(WireService wireService) {
+ this.wireService = wireService;
+ }
+
+ @Init(eager = true)
+ public void init() {
+ builderRegistry.register(getBindingType(), this);
+ }
+
+ public Service build(CompositeComponent parent,
+ BoundServiceDefinition<B> boundServiceDefinition,
+ DeploymentContext deploymentContext) {
+ return null;
+ }
+
+ public Reference build(CompositeComponent parent,
+ BoundReferenceDefinition<B> boundReferenceDefinition,
+ DeploymentContext deploymentContext) {
+ return null;
+ }
+
+ protected abstract Class<B> getBindingType();
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/ComponentBuilderExtension.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/ComponentBuilderExtension.java
new file mode 100644
index 0000000000..1f5466dfcd
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/ComponentBuilderExtension.java
@@ -0,0 +1,93 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.extension;
+
+import org.osoa.sca.annotations.Init;
+import org.osoa.sca.annotations.Scope;
+
+import org.apache.tuscany.spi.annotation.Autowire;
+import org.apache.tuscany.spi.builder.BuilderRegistry;
+import org.apache.tuscany.spi.builder.ComponentBuilder;
+import org.apache.tuscany.spi.builder.Connector;
+import org.apache.tuscany.spi.component.ScopeRegistry;
+import org.apache.tuscany.spi.component.WorkContext;
+import org.apache.tuscany.spi.model.Implementation;
+import org.apache.tuscany.spi.wire.WireService;
+import org.apache.tuscany.spi.services.work.WorkScheduler;
+import org.apache.tuscany.spi.policy.PolicyBuilderRegistry;
+
+/**
+ * An extension point for component builders. When adding support for new component types, implementations may extend
+ * this class as a convenience.
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+@Scope("MODULE")
+public abstract class ComponentBuilderExtension<I extends Implementation<?>> implements ComponentBuilder<I> {
+
+ protected BuilderRegistry builderRegistry;
+ protected ScopeRegistry scopeRegistry;
+ protected WireService wireService;
+ protected WorkScheduler workScheduler;
+ protected WorkContext workContext;
+ protected PolicyBuilderRegistry policyBuilderRegistry;
+ protected Connector connector;
+
+ @Autowire
+ public void setBuilderRegistry(BuilderRegistry registry) {
+ this.builderRegistry = registry;
+ }
+
+ @Autowire
+ public void setScopeRegistry(ScopeRegistry scopeRegistry) {
+ this.scopeRegistry = scopeRegistry;
+ }
+
+ @Autowire
+ public void setWireService(WireService wireService) {
+ this.wireService = wireService;
+ }
+
+ @Autowire
+ public void setWorkScheduler(WorkScheduler workScheduler) {
+ this.workScheduler = workScheduler;
+ }
+
+ @Autowire
+ public void setWorkContext(WorkContext workContext) {
+ this.workContext = workContext;
+ }
+
+ @Autowire
+ public void setPolicyBuilderRegistry(PolicyBuilderRegistry registry) {
+ policyBuilderRegistry = registry;
+ }
+
+ @Autowire
+ public void setConnector(Connector connector) {
+ this.connector = connector;
+ }
+
+ @Init(eager = true)
+ public void init() {
+ builderRegistry.register(getImplementationType(), this);
+ }
+
+ protected abstract Class<I> getImplementationType();
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/ComponentTypeLoaderExtension.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/ComponentTypeLoaderExtension.java
new file mode 100644
index 0000000000..6c5086aec4
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/ComponentTypeLoaderExtension.java
@@ -0,0 +1,61 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.extension;
+
+import org.osoa.sca.annotations.Destroy;
+import org.osoa.sca.annotations.Init;
+import org.osoa.sca.annotations.Scope;
+
+import org.apache.tuscany.spi.annotation.Autowire;
+import org.apache.tuscany.spi.loader.ComponentTypeLoader;
+import org.apache.tuscany.spi.loader.LoaderRegistry;
+import org.apache.tuscany.spi.model.Implementation;
+
+/**
+ * @version $Rev$ $Date$
+ */
+@Scope("MODULE")
+public abstract class ComponentTypeLoaderExtension<I extends Implementation> implements ComponentTypeLoader<I> {
+ protected LoaderRegistry loaderRegistry;
+
+ protected ComponentTypeLoaderExtension() {
+ }
+
+ protected ComponentTypeLoaderExtension(LoaderRegistry loaderRegistry) {
+ this.loaderRegistry = loaderRegistry;
+ }
+
+ @Autowire
+ public void setLoaderRegistry(LoaderRegistry loaderRegistry) {
+ this.loaderRegistry = loaderRegistry;
+ }
+
+ @Init(eager = true)
+ public void start() {
+ loaderRegistry.registerLoader(getImplementationClass(), this);
+ }
+
+ @Destroy
+ public void stop() {
+ loaderRegistry.unregisterLoader(getImplementationClass());
+ }
+
+ protected abstract Class<I> getImplementationClass();
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/CompositeComponentExtension.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/CompositeComponentExtension.java
new file mode 100644
index 0000000000..93aec79bfd
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/CompositeComponentExtension.java
@@ -0,0 +1,524 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.extension;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.w3c.dom.Document;
+
+import org.apache.tuscany.spi.CoreRuntimeException;
+import org.apache.tuscany.spi.builder.Connector;
+import org.apache.tuscany.spi.component.AbstractSCAObject;
+import org.apache.tuscany.spi.component.AtomicComponent;
+import org.apache.tuscany.spi.component.AutowireResolutionException;
+import org.apache.tuscany.spi.component.Component;
+import org.apache.tuscany.spi.component.ComponentNotFoundException;
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.component.DuplicateNameException;
+import org.apache.tuscany.spi.component.IllegalTargetException;
+import org.apache.tuscany.spi.component.ObjectRegistrationException;
+import org.apache.tuscany.spi.component.Reference;
+import org.apache.tuscany.spi.component.SCAObject;
+import org.apache.tuscany.spi.component.Service;
+import org.apache.tuscany.spi.component.TargetException;
+import org.apache.tuscany.spi.component.TargetNotFoundException;
+import org.apache.tuscany.spi.event.Event;
+import org.apache.tuscany.spi.model.Operation;
+import org.apache.tuscany.spi.model.Scope;
+import org.apache.tuscany.spi.wire.InboundWire;
+import org.apache.tuscany.spi.wire.OutboundWire;
+import org.apache.tuscany.spi.wire.TargetInvoker;
+
+/**
+ * An extension point for composite components, which new types may extend
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public abstract class CompositeComponentExtension extends AbstractSCAObject implements CompositeComponent {
+
+ protected final Map<String, SCAObject> children = new ConcurrentHashMap<String, SCAObject>();
+ protected final List<Service> services = new ArrayList<Service>();
+ protected final List<Reference> references = new ArrayList<Reference>();
+
+ protected final Map<String, Document> propertyValues;
+ protected final Connector connector;
+
+ protected final Map<String, SCAObject> systemChildren = new ConcurrentHashMap<String, SCAObject>();
+ protected final List<Service> systemServices = new ArrayList<Service>();
+ protected final List<Reference> systemReferences = new ArrayList<Reference>();
+
+ // autowire mappings
+ protected final Map<Class, SCAObject> autowireInternal = new ConcurrentHashMap<Class, SCAObject>();
+ protected final Map<Class, Service> autowireExternal = new ConcurrentHashMap<Class, Service>();
+ protected final Map<Class, SCAObject> systemAutowireInternal = new ConcurrentHashMap<Class, SCAObject>();
+ protected final Map<Class, Service> systemAutowireExternal = new ConcurrentHashMap<Class, Service>();
+
+ protected CompositeComponentExtension(String name,
+ CompositeComponent parent,
+ Connector connector,
+ Map<String, Document> propertyValues) {
+ super(name, parent);
+ this.propertyValues = propertyValues;
+ this.connector = connector;
+ }
+
+ public Scope getScope() {
+ return Scope.COMPOSITE;
+ }
+
+ public void onEvent(Event event) {
+ publish(event);
+ }
+
+ public <S, I extends S> void registerJavaObject(String name, Class<S> service, I instance)
+ throws ObjectRegistrationException {
+ throw new UnsupportedOperationException();
+ }
+
+ public Document getPropertyValue(String name) {
+ return propertyValues.get(name);
+ }
+
+ public SCAObject getChild(String name) {
+ assert name != null : "Name was null";
+ return children.get(name);
+ }
+
+ public SCAObject getSystemChild(String name) {
+ assert name != null : "Name was null";
+ return systemChildren.get(name);
+ }
+
+ public List<SCAObject> getSystemChildren() {
+ return Collections.unmodifiableList(new ArrayList<SCAObject>(systemChildren.values()));
+ }
+
+ public List<Service> getSystemServices() {
+ return Collections.unmodifiableList(systemServices);
+ }
+
+ public List<Reference> getSystemReferences() {
+ return Collections.unmodifiableList(systemReferences);
+ }
+
+ public List<SCAObject> getChildren() {
+ return Collections.unmodifiableList(new ArrayList<SCAObject>(children.values()));
+ }
+
+ public List<Service> getServices() {
+ return Collections.unmodifiableList(services);
+ }
+
+ public List<Reference> getReferences() {
+ return Collections.unmodifiableList(references);
+ }
+
+ public void register(SCAObject child) {
+ if (child.isSystem()) {
+ if (systemChildren.get(child.getName()) != null) {
+ DuplicateNameException e =
+ new DuplicateNameException("A system child is already registered with the name");
+ e.setIdentifier(child.getName());
+ e.addContextName(getName());
+ throw e;
+ }
+ systemChildren.put(child.getName(), child);
+ } else {
+ if (children.get(child.getName()) != null) {
+ DuplicateNameException e = new DuplicateNameException("A child is already registered with the name");
+ e.setIdentifier(child.getName());
+ e.addContextName(getName());
+ throw e;
+ }
+ children.put(child.getName(), child);
+ }
+ if (child instanceof Service) {
+ Service service = (Service) child;
+ synchronized (services) {
+ if (service.isSystem()) {
+ systemServices.add(service);
+ } else {
+ services.add(service);
+ }
+ }
+ registerAutowire(service);
+ } else if (child instanceof Reference) {
+ Reference reference = (Reference) child;
+ synchronized (references) {
+ if (reference.isSystem()) {
+ systemReferences.add(reference);
+ } else {
+ references.add(reference);
+ }
+ }
+ registerAutowire(reference);
+ } else if (child instanceof AtomicComponent) {
+ AtomicComponent atomic = (AtomicComponent) child;
+ registerAutowire(atomic);
+ } else if (child instanceof CompositeComponent) {
+ CompositeComponent component = (CompositeComponent) child;
+ if (lifecycleState == RUNNING && component.getLifecycleState() == UNINITIALIZED) {
+ component.start();
+ }
+ registerAutowire(component);
+ addListener(component);
+ }
+ }
+
+
+ public void addOutboundWire(OutboundWire wire) {
+
+ }
+
+ public void addOutboundWires(Class<?> multiplicityClass, List<OutboundWire> wires) {
+
+ }
+
+ public Map<String, List<OutboundWire>> getOutboundWires() {
+ return null;
+ }
+
+ public void addInboundWire(InboundWire wire) {
+ //TODO implement
+ }
+
+ public InboundWire getInboundWire(String serviceName) {
+ SCAObject object = children.get(serviceName);
+ if (!(object instanceof Service)) {
+ throw new ComponentNotFoundException(serviceName);
+ }
+ return ((Service) object).getInboundWire();
+ }
+
+ public Map<String, InboundWire> getInboundWires() {
+ synchronized (services) {
+ Map<String, InboundWire> map = new HashMap<String, InboundWire>();
+ for (Service service : services) {
+ map.put(service.getName(), service.getInboundWire());
+ }
+ return map;
+ }
+ }
+
+ public TargetInvoker createAsyncTargetInvoker(InboundWire wire, Operation operation) {
+ throw new UnsupportedOperationException();
+ }
+
+ public Service getService(String name) {
+ SCAObject ctx = children.get(name);
+ if (ctx == null) {
+ ComponentNotFoundException e = new ComponentNotFoundException("Service not found");
+ e.setIdentifier(name);
+ e.addContextName(getName());
+ throw e;
+ } else if (!(ctx instanceof Service)) {
+ ComponentNotFoundException e = new ComponentNotFoundException("SCAObject not a service");
+ e.setIdentifier(name);
+ e.addContextName(getName());
+ throw e;
+ }
+ return (Service) ctx;
+ }
+
+ public Object getServiceInstance() throws TargetException {
+ Service service = services.get(0);
+ if (service == null) {
+ throw new TargetException("Component has no services");
+ }
+ return service.getServiceInstance();
+ }
+
+ public Service getSystemService(String name) {
+ SCAObject ctx = systemChildren.get(name);
+ if (ctx == null) {
+ ComponentNotFoundException e = new ComponentNotFoundException("Service not found");
+ e.setIdentifier(name);
+ e.addContextName(getName());
+ throw e;
+ } else if (!(ctx instanceof Service)) {
+ ComponentNotFoundException e = new ComponentNotFoundException("SCAObject not a service");
+ e.setIdentifier(name);
+ e.addContextName(getName());
+ throw e;
+ }
+ return (Service) ctx;
+ }
+
+ public <T> T locateService(Class<T> serviceInterface, String name) {
+ SCAObject target = children.get(name);
+ if (target == null) {
+ TargetNotFoundException e = new TargetNotFoundException(name);
+ e.addContextName(getName());
+ throw e;
+ }
+ return serviceInterface.cast(target.getServiceInstance());
+ }
+
+ public <T> T locateSystemService(Class<T> serviceInterface, String name) {
+ SCAObject object = systemChildren.get(name);
+ if (object == null) {
+ TargetNotFoundException e = new TargetNotFoundException(name);
+ e.addContextName(getName());
+ throw e;
+ }
+ return serviceInterface.cast(object.getServiceInstance());
+ }
+
+ public Object getServiceInstance(String name) throws TargetException {
+ SCAObject context = children.get(name);
+ if (context == null) {
+ TargetNotFoundException e = new TargetNotFoundException(name);
+ e.addContextName(getName());
+ throw e;
+ } else if (context instanceof Service) {
+ return context.getServiceInstance();
+ } else {
+ IllegalTargetException e = new IllegalTargetException("Target must be a service");
+ e.setIdentifier(name);
+ e.addContextName(getName());
+ throw e;
+ }
+ }
+
+ public Object getSystemServiceInstance(String name) throws TargetException {
+ SCAObject target = systemChildren.get(name);
+ if (target == null) {
+ TargetNotFoundException e = new TargetNotFoundException(name);
+ e.addContextName(getName());
+ throw e;
+ } else if (target instanceof Service) {
+ return target.getServiceInstance();
+ } else {
+ IllegalTargetException e = new IllegalTargetException("Target must be a service");
+ e.setIdentifier(name);
+ e.addContextName(getName());
+ throw e;
+ }
+ }
+
+ public List<Class<?>> getServiceInterfaces() {
+ List<Class<?>> serviceInterfaces = new ArrayList<Class<?>>(services.size());
+ synchronized (services) {
+ for (Service service : services) {
+ serviceInterfaces.add(service.getInterface());
+ }
+ }
+ return serviceInterfaces;
+ }
+
+ public <T> T resolveInstance(Class<T> instanceInterface) throws AutowireResolutionException {
+ if (CompositeComponent.class.equals(instanceInterface)) {
+ return instanceInterface.cast(this);
+ }
+ SCAObject context = autowireInternal.get(instanceInterface);
+ if (context != null) {
+ try {
+ if (context instanceof AtomicComponent || context instanceof Reference || context instanceof Service) {
+ return instanceInterface.cast(context.getServiceInstance());
+ } else {
+ IllegalTargetException e = new IllegalTargetException("Autowire target must be a system "
+ + "service, atomic component, or reference");
+ e.setIdentifier(instanceInterface.getName());
+ e.addContextName(getName());
+ throw e;
+ }
+ } catch (CoreRuntimeException e) {
+ e.addContextName(getName());
+ throw e;
+ }
+ } else {
+ try {
+ if (CompositeComponent.class.isAssignableFrom(instanceInterface)) {
+ return instanceInterface.cast(this);
+ }
+ // resolve to parent
+ if (getParent() == null) {
+ return null;
+ }
+ return getParent().resolveInstance(instanceInterface);
+ } catch (AutowireResolutionException e) {
+ e.addContextName(getName());
+ throw e;
+ }
+ }
+ }
+
+ public <T> T resolveSystemInstance(Class<T> instanceInterface) throws AutowireResolutionException {
+ if (CompositeComponent.class.equals(instanceInterface)) {
+ return instanceInterface.cast(this);
+ }
+ SCAObject context = systemAutowireInternal.get(instanceInterface);
+ if (context != null) {
+ try {
+ if (context instanceof AtomicComponent || context instanceof Reference || context instanceof Service) {
+ return instanceInterface.cast(context.getServiceInstance());
+ } else {
+ IllegalTargetException e = new IllegalTargetException("Autowire target must be a system "
+ + "service, atomic component, or reference");
+ e.setIdentifier(instanceInterface.getName());
+ e.addContextName(getName());
+ throw e;
+ }
+ } catch (CoreRuntimeException e) {
+ e.addContextName(getName());
+ throw e;
+ }
+ } else {
+ try {
+ // resolve to parent
+ if (getParent() != null) {
+ return getParent().resolveSystemInstance(instanceInterface);
+ } else {
+ return null;
+ }
+ } catch (AutowireResolutionException e) {
+ e.addContextName(getName());
+ throw e;
+ }
+ }
+ }
+
+ public <T> T resolveExternalInstance(Class<T> instanceInterface) throws AutowireResolutionException {
+ Service service = autowireExternal.get(instanceInterface);
+ if (service != null) {
+ try {
+ return instanceInterface.cast(service.getServiceInstance());
+ } catch (CoreRuntimeException e) {
+ e.addContextName(getName());
+ throw e;
+ }
+ } else {
+ return null;
+ }
+ }
+
+ public <T> T resolveSystemExternalInstance(Class<T> instanceInterface) throws AutowireResolutionException {
+ Service service = systemAutowireExternal.get(instanceInterface);
+ if (service != null) {
+ try {
+ return instanceInterface.cast(service.getServiceInstance());
+ } catch (CoreRuntimeException e) {
+ e.addContextName(getName());
+ throw e;
+ }
+ } else {
+ return null;
+ }
+ }
+
+ public void prepare() {
+ // Connect services and references first so that their wires are linked first
+ List<SCAObject> childList = new ArrayList<SCAObject>();
+ for (SCAObject child : systemChildren.values()) {
+ if (child instanceof Component) {
+ childList.add(child);
+ } else {
+ childList.add(0, child);
+ }
+ }
+ // connect system artifacts
+ for (SCAObject child : childList) {
+ // connect all children
+ // TODO for composite wires, should delegate down
+ connector.connect(child);
+ child.prepare();
+ }
+
+ // connect application artifacts
+ childList.clear();
+ for (SCAObject child : children.values()) {
+ if (child instanceof Component) {
+ childList.add(child);
+ } else {
+ childList.add(0, child);
+ }
+ }
+ for (SCAObject child : childList) {
+ // connect all children
+ // TODO for composite wires, should delegate down
+ connector.connect(child);
+ child.prepare();
+ }
+ }
+
+ protected void registerAutowireExternal(Class<?> interfaze, Service service) {
+ if (interfaze == null) {
+ // The ServiceContract is not from Java
+ return;
+ }
+ if (service.isSystem()) {
+ if (systemAutowireExternal.containsKey(interfaze)) {
+ return;
+ }
+ systemAutowireExternal.put(interfaze, service);
+ } else {
+ if (autowireExternal.containsKey(interfaze)) {
+ return;
+ }
+ autowireExternal.put(interfaze, service);
+ }
+ }
+
+ protected void registerAutowireInternal(Class<?> interfaze, SCAObject object) {
+ if (interfaze == null) {
+ // The ServiceContract is not from Java
+ return;
+ }
+ if (object.isSystem()) {
+ if (systemAutowireInternal.containsKey(interfaze)) {
+ return;
+ }
+ systemAutowireInternal.put(interfaze, object);
+ } else {
+ if (autowireInternal.containsKey(interfaze)) {
+ return;
+ }
+ autowireInternal.put(interfaze, object);
+ }
+ }
+
+ protected void registerAutowire(CompositeComponent component) {
+ List<Service> services = component.getServices();
+ for (Service service : services) {
+ registerAutowireInternal(service.getInterface(), service);
+ }
+ }
+
+ protected void registerAutowire(AtomicComponent component) {
+ List<Class<?>> services = component.getServiceInterfaces();
+ for (Class<?> service : services) {
+ registerAutowireInternal(service, component);
+ }
+ }
+
+ protected void registerAutowire(Reference reference) {
+ registerAutowireInternal(reference.getInterface(), reference);
+ }
+
+ protected void registerAutowire(Service service) {
+ registerAutowireExternal(service.getInterface(), service);
+ }
+
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/LoaderExtension.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/LoaderExtension.java
new file mode 100644
index 0000000000..cc42247c33
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/LoaderExtension.java
@@ -0,0 +1,77 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.extension;
+
+import javax.xml.namespace.QName;
+
+import org.osoa.sca.annotations.Destroy;
+import org.osoa.sca.annotations.Init;
+
+import org.apache.tuscany.spi.annotation.Autowire;
+import org.apache.tuscany.spi.loader.LoaderRegistry;
+import org.apache.tuscany.spi.loader.StAXElementLoader;
+import org.apache.tuscany.spi.model.ModelObject;
+
+/**
+ * Support class for extending the Loader mechanism.
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class LoaderExtension<T extends ModelObject> implements StAXElementLoader<T> {
+ /**
+ * The LoaderRegistry that this loader should register with; usually set by injection. This registry may also be
+ * used to load sub-elements.
+ */
+ protected LoaderRegistry registry;
+
+ /**
+ * Constructor specifies the registry to register with.
+ *
+ * @param registry the LoaderRegistry this loader should register with
+ */
+ protected LoaderExtension(@Autowire LoaderRegistry registry) {
+ this.registry = registry;
+ }
+
+ /**
+ * Initialize the loader. The base implementation registers this loader with the registry as a handler for the XML
+ * type returned by {@link #getXMLType()}. Implementations may override this to register the loader as a handler for
+ * multiple XML types.
+ */
+ @Init(eager = true)
+ public void start() {
+ registry.registerLoader(getXMLType(), this);
+ }
+
+ /**
+ * Destroy the loader. The base implementation unregisters the loader from the regsitry based on the type returned
+ * by {@link #getXMLType()}.
+ */
+ @Destroy
+ public void stop() {
+ registry.unregisterLoader(getXMLType(), this);
+ }
+
+ /**
+ * Returns the QName of the element that this implementation handles.
+ *
+ * @return the QName of the element that this implementation handles
+ */
+ public abstract QName getXMLType();
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/ReferenceExtension.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/ReferenceExtension.java
new file mode 100644
index 0000000000..d6c3222c38
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/ReferenceExtension.java
@@ -0,0 +1,104 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.extension;
+
+import org.apache.tuscany.spi.component.AbstractSCAObject;
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.component.Reference;
+import org.apache.tuscany.spi.component.TargetException;
+import org.apache.tuscany.spi.model.Operation;
+import org.apache.tuscany.spi.model.Scope;
+import org.apache.tuscany.spi.model.ServiceContract;
+import org.apache.tuscany.spi.wire.InboundWire;
+import org.apache.tuscany.spi.wire.OutboundWire;
+import org.apache.tuscany.spi.wire.TargetInvoker;
+import org.apache.tuscany.spi.wire.WireInvocationHandler;
+import org.apache.tuscany.spi.wire.WireService;
+
+/**
+ * The default implementation of an SCA reference
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class ReferenceExtension extends AbstractSCAObject implements Reference {
+
+ protected InboundWire inboundWire;
+ protected OutboundWire outboundWire;
+ protected Class<?> referenceInterface;
+ protected WireService wireService;
+ protected ServiceContract<?> bindingServiceContract;
+
+ protected ReferenceExtension(String name,
+ Class<?> referenceInterface,
+ CompositeComponent parent,
+ WireService wireService) {
+ super(name, parent);
+ this.referenceInterface = referenceInterface;
+ this.wireService = wireService;
+ }
+
+ public Scope getScope() {
+ return Scope.COMPOSITE;
+ }
+
+ public void setInboundWire(InboundWire wire) {
+ this.inboundWire = wire;
+ }
+
+ public InboundWire getInboundWire() {
+ return inboundWire;
+ }
+
+ public OutboundWire getOutboundWire() {
+ return outboundWire;
+ }
+
+ public void setOutboundWire(OutboundWire outboundWire) {
+ this.outboundWire = outboundWire;
+ }
+
+ public Class<?> getInterface() {
+ return referenceInterface;
+ }
+
+ public Object getServiceInstance() throws TargetException {
+ return wireService.createProxy(inboundWire);
+ }
+
+ public WireInvocationHandler getHandler() throws TargetException {
+ return wireService.createHandler(inboundWire);
+ }
+
+ public TargetInvoker createCallbackTargetInvoker(ServiceContract contract, Operation operation) {
+ throw new UnsupportedOperationException();
+ }
+
+ public TargetInvoker createAsyncTargetInvoker(OutboundWire wire, Operation operation) {
+ throw new UnsupportedOperationException();
+ }
+
+ public ServiceContract<?> getBindingServiceContract() {
+ return bindingServiceContract;
+ }
+
+ public void setBindingServiceContract(ServiceContract<?> serviceContract) {
+ this.bindingServiceContract = serviceContract;
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/ServiceExtension.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/ServiceExtension.java
new file mode 100644
index 0000000000..2eeddf7727
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/ServiceExtension.java
@@ -0,0 +1,98 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.extension;
+
+import org.apache.tuscany.spi.CoreRuntimeException;
+import org.apache.tuscany.spi.component.AbstractSCAObject;
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.component.Service;
+import org.apache.tuscany.spi.component.TargetException;
+import org.apache.tuscany.spi.model.Operation;
+import org.apache.tuscany.spi.model.Scope;
+import org.apache.tuscany.spi.model.ServiceContract;
+import org.apache.tuscany.spi.wire.InboundWire;
+import org.apache.tuscany.spi.wire.OutboundWire;
+import org.apache.tuscany.spi.wire.TargetInvoker;
+import org.apache.tuscany.spi.wire.WireInvocationHandler;
+import org.apache.tuscany.spi.wire.WireService;
+
+/**
+ * The default implementation of an SCA service
+ *
+ * @version $Rev$ $Date$
+ */
+public class ServiceExtension extends AbstractSCAObject implements Service {
+
+ protected Class<?> interfaze;
+ protected InboundWire inboundWire;
+ protected OutboundWire outboundWire;
+ protected WireService wireService;
+ protected ServiceContract<?> bindingServiceContract;
+
+ public ServiceExtension(String name, Class<?> interfaze, CompositeComponent parent, WireService wireService)
+ throws CoreRuntimeException {
+ super(name, parent);
+ this.interfaze = interfaze;
+ this.wireService = wireService;
+ }
+
+ public Scope getScope() {
+ return Scope.COMPOSITE;
+ }
+
+ public InboundWire getInboundWire() {
+ return inboundWire;
+ }
+
+ public void setInboundWire(InboundWire wire) {
+ inboundWire = wire;
+ }
+
+ public OutboundWire getOutboundWire() {
+ return outboundWire;
+ }
+
+ public void setOutboundWire(OutboundWire outboundWire) {
+ this.outboundWire = outboundWire;
+ }
+
+ public TargetInvoker createCallbackTargetInvoker(ServiceContract contract, Operation operation) {
+ throw new UnsupportedOperationException();
+ }
+
+ public Object getServiceInstance() throws TargetException {
+ return wireService.createProxy(inboundWire);
+ }
+
+ public WireInvocationHandler getHandler() {
+ return wireService.createHandler(inboundWire);
+ }
+
+ public Class<?> getInterface() {
+ return interfaze;
+ }
+
+ public ServiceContract<?> getBindingServiceContract() {
+ return bindingServiceContract;
+ }
+
+ public void setBindingServiceContract(ServiceContract<?> serviceContract) {
+ this.bindingServiceContract = serviceContract;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/SystemAtomicComponentExtension.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/SystemAtomicComponentExtension.java
new file mode 100644
index 0000000000..8a65a91f3a
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/SystemAtomicComponentExtension.java
@@ -0,0 +1,72 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.extension;
+
+import java.util.List;
+
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.component.ScopeContainer;
+import org.apache.tuscany.spi.component.SystemAtomicComponent;
+import org.apache.tuscany.spi.component.TargetException;
+import org.apache.tuscany.spi.model.Operation;
+import org.apache.tuscany.spi.wire.TargetInvoker;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public abstract class SystemAtomicComponentExtension extends AtomicComponentExtension implements SystemAtomicComponent {
+ protected List<Class<?>> interfazes;
+
+ public SystemAtomicComponentExtension(String name,
+ CompositeComponent parent,
+ ScopeContainer scopeContainer,
+ int initLevel) {
+ this(name, null, parent, scopeContainer, initLevel);
+ }
+
+ public SystemAtomicComponentExtension(String name,
+ List<Class<?>> serviceInterfaces,
+ CompositeComponent parent,
+ ScopeContainer scopeContainer,
+ int initLevel) {
+ super(name, parent, scopeContainer, null, null, null, initLevel);
+ this.interfazes = serviceInterfaces;
+ }
+
+ public Object getServiceInstance() throws TargetException {
+ return getTargetInstance();
+ }
+
+ public Object getServiceInstance(String name) throws TargetException {
+ throw new UnsupportedOperationException();
+ }
+
+ public List<Class<?>> getServiceInterfaces() {
+ return interfazes;
+ }
+
+ public TargetInvoker createTargetInvoker(String targetName, Operation operation) {
+ throw new UnsupportedOperationException();
+ }
+
+ public boolean isSystem() {
+ return true;
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/TargetInvokerExtension.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/TargetInvokerExtension.java
new file mode 100644
index 0000000000..faa13360c7
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/extension/TargetInvokerExtension.java
@@ -0,0 +1,68 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.extension;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.apache.tuscany.spi.wire.InvocationRuntimeException;
+import org.apache.tuscany.spi.wire.Message;
+import org.apache.tuscany.spi.wire.TargetInvoker;
+
+/**
+ * The default implementation of a TargetInvoker
+ */
+public abstract class TargetInvokerExtension implements TargetInvoker {
+
+ private boolean cacheable;
+
+ public TargetInvokerExtension() {
+ }
+
+ public Message invoke(Message msg) throws InvocationRuntimeException {
+ try {
+ Object resp = invokeTarget(msg.getBody());
+ msg.setBody(resp);
+ } catch (InvocationTargetException e) {
+ msg.setBodyWithFault(e.getCause());
+ }
+ return msg;
+ }
+
+ public boolean isCacheable() {
+ return cacheable;
+ }
+
+ public void setCacheable(boolean cacheable) {
+ this.cacheable = cacheable;
+ }
+
+ public boolean isOptimizable() {
+ return isCacheable();
+ }
+
+ public Object clone() {
+ try {
+ return super.clone();
+ } catch (CloneNotSupportedException e) {
+ // TargetInvoker extends Cloneable so this should not have been thrown
+ throw new AssertionError(e);
+ }
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/host/ServletHost.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/host/ServletHost.java
new file mode 100644
index 0000000000..0e7922f0f1
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/host/ServletHost.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.host;
+
+import javax.servlet.Servlet;
+
+/**
+ * ServiceDefinition interface implemented by host environments that allow Servlets to be registered.
+ * <p/>
+ * This interface allows an SCA system component to register a servlet to handle inbound requests.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ServletHost {
+ /**
+ * Register a mapping for an instance of a Servlet. This requests that the servlet container direct all requests to
+ * the designated mapping to the supplied Servlet instance.
+ *
+ * @param mapping the uri-mapping for the Servlet
+ * @param servlet the Servlet that should be invoked
+ */
+ void registerMapping(String mapping, Servlet servlet);
+
+ /**
+ * Unregister a servlet mapping. This directs the servlet contain not to direct any more requests to a previously
+ * registered Servlet.
+ *
+ * @param mapping the uri-mapping for the Servlet
+ */
+ void unregisterMapping(String mapping);
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/ElementInfo.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/ElementInfo.java
new file mode 100644
index 0000000000..5a0bd3bb5f
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/ElementInfo.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.spi.idl;
+
+import javax.xml.namespace.QName;
+
+/**
+ * An abstraction of XML schema elements
+ */
+public class ElementInfo {
+ private QName name;
+ private TypeInfo type;
+
+ /**
+ * @param name
+ * @param type
+ */
+ public ElementInfo(QName name, TypeInfo type) {
+ super();
+ this.name = name;
+ this.type = type;
+ }
+
+ /**
+ * @return the name
+ */
+ public QName getQName() {
+ return name;
+ }
+
+ /**
+ * @return the type
+ */
+ public TypeInfo getType() {
+ return type;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/InvalidServiceContractException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/InvalidServiceContractException.java
new file mode 100644
index 0000000000..5709524573
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/InvalidServiceContractException.java
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.idl;
+
+import org.apache.tuscany.api.TuscanyException;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public abstract class InvalidServiceContractException extends TuscanyException {
+ public InvalidServiceContractException() {
+ }
+
+ public InvalidServiceContractException(String message) {
+ super(message);
+ }
+
+ public InvalidServiceContractException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public InvalidServiceContractException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/OverloadedOperationException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/OverloadedOperationException.java
new file mode 100644
index 0000000000..0b435e9eb9
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/OverloadedOperationException.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.idl;
+
+/**
+ * Exception thrown to indicate that a service contract specification contains an overloaded method.
+ *
+ * @version $Rev$ $Date$
+ */
+public class OverloadedOperationException extends InvalidServiceContractException {
+ private static final long serialVersionUID = -4658711318608885638L;
+
+ public OverloadedOperationException() {
+ }
+
+ public OverloadedOperationException(String message) {
+ super(message);
+ }
+
+ public OverloadedOperationException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public OverloadedOperationException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/TypeInfo.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/TypeInfo.java
new file mode 100644
index 0000000000..9bb107812c
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/TypeInfo.java
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.spi.idl;
+
+import javax.xml.namespace.QName;
+
+/**
+ * An abstraction of XML schema types
+ */
+public class TypeInfo {
+ private QName name;
+
+ private boolean isSimpleType;
+
+ private TypeInfo baseType;
+
+ /**
+ * @param name
+ * @param isSimpleType
+ */
+ public TypeInfo(QName name, boolean isSimpleType, TypeInfo baseType) {
+ super();
+ this.name = name;
+ this.isSimpleType = isSimpleType;
+ this.baseType = baseType;
+ }
+
+ /**
+ * @return the isSimpleType
+ */
+ public boolean isSimpleType() {
+ return isSimpleType;
+ }
+
+ /**
+ * @return the name
+ */
+ public QName getQName() {
+ return name;
+ }
+
+ /**
+ * @return the baseType
+ */
+ public TypeInfo getBaseType() {
+ return baseType;
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/WrapperInfo.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/WrapperInfo.java
new file mode 100644
index 0000000000..1125da744c
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/WrapperInfo.java
@@ -0,0 +1,117 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.spi.idl;
+
+import java.util.List;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.spi.model.DataType;
+
+/**
+ * The "Wrapper Style" WSDL operation is defined by The Java API for XML-Based Web Services (JAX-WS) 2.0 specification,
+ * section 2.3.1.2 Wrapper Style.
+ * <p/>
+ * A WSDL operation qualifies for wrapper style mapping only if the following criteria are met: <ul> <li>(i) The
+ * operation’s input and output messages (if present) each contain only a single part <li>(ii) The input message part
+ * refers to a global element declaration whose localname is equal to the operation name <li>(iii) The output message
+ * part refers to a global element declaration <li>(iv) The elements referred to by the input and output message parts
+ * (henceforth referred to as wrapper elements) are both complex types defined using the xsd:sequence compositor <li>(v)
+ * The wrapper elements only contain child elements, they must not contain other structures such as wildcards (element
+ * or attribute), xsd:choice, substitution groups (element references are not permitted) or attributes; furthermore,
+ * they must not be nillable. </ul>
+ */
+public class WrapperInfo {
+ private ElementInfo inputWrapperElement;
+
+ private ElementInfo outputWrapperElement;
+
+ private List<ElementInfo> inputChildElements;
+
+ private List<ElementInfo> outputChildElements;
+
+ private DataType<List<DataType<QName>>> unwrappedInputType;
+
+ private DataType<QName> unwrappedOutputType;
+
+ /**
+ * @param inputWrapperElement
+ * @param outputWrapperElement
+ * @param inputElements
+ * @param outputElements
+ * @param unwrappedInputType
+ * @param unwrappedOutputType
+ */
+ public WrapperInfo(ElementInfo inputWrapperElement,
+ ElementInfo outputWrapperElement,
+ List<ElementInfo> inputElements,
+ List<ElementInfo> outputElements,
+ DataType<List<DataType<QName>>> unwrappedInputType,
+ DataType<QName> unwrappedOutputType) {
+ super();
+ this.inputWrapperElement = inputWrapperElement;
+ this.outputWrapperElement = outputWrapperElement;
+ this.inputChildElements = inputElements;
+ this.outputChildElements = outputElements;
+ this.unwrappedInputType = unwrappedInputType;
+ this.unwrappedOutputType = unwrappedOutputType;
+ }
+
+ /**
+ * @return the inputElements
+ */
+ public List<ElementInfo> getInputChildElements() {
+ return inputChildElements;
+ }
+
+ /**
+ * @return the inputWrapperElement
+ */
+ public ElementInfo getInputWrapperElement() {
+ return inputWrapperElement;
+ }
+
+ /**
+ * @return the outputElements
+ */
+ public List<ElementInfo> getOutputChildElements() {
+ return outputChildElements;
+ }
+
+ /**
+ * @return the outputWrapperElement
+ */
+ public ElementInfo getOutputWrapperElement() {
+ return outputWrapperElement;
+ }
+
+ /**
+ * @return the unwrappedInputType
+ */
+ public DataType<List<DataType<QName>>> getUnwrappedInputType() {
+ return unwrappedInputType;
+ }
+
+ /**
+ * @return the unwrappedOutputType
+ */
+ public DataType<QName> getUnwrappedOutputType() {
+ return unwrappedOutputType;
+ }
+} \ No newline at end of file
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/InterfaceJavaIntrospector.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/InterfaceJavaIntrospector.java
new file mode 100644
index 0000000000..08f22147b5
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/InterfaceJavaIntrospector.java
@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.idl.java;
+
+import org.apache.tuscany.spi.idl.InvalidServiceContractException;
+
+/**
+ * Processor for creating JavaServiceContract definitions from Java Classes.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface InterfaceJavaIntrospector {
+
+ /**
+ * Introspect a Java interface and return a service contract definition.
+ *
+ * @param type the interface to inspect
+ * @return a JavaServiceContract corresponding to the Java interface
+ */
+ <I> JavaServiceContract introspect(Class<I> type) throws InvalidServiceContractException;
+
+ /**
+ * Introspect a Java interface and return a service contract definition.
+ *
+ * @param type the interface to inspect
+ * @param callback the callback interface to inspec
+ * @return a JavaServiceContract corresponding to the Java interface
+ */
+ <I, C> JavaServiceContract introspect(Class<I> type, Class<C> callback) throws InvalidServiceContractException;
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/JavaIDLUtils.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/JavaIDLUtils.java
new file mode 100644
index 0000000000..c7c7cb2aa8
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/JavaIDLUtils.java
@@ -0,0 +1,96 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.idl.java;
+
+import java.lang.reflect.Method;
+import java.util.Collection;
+import java.util.List;
+
+import org.apache.tuscany.spi.model.DataType;
+import org.apache.tuscany.spi.model.Operation;
+
+/**
+ * Contains methods for mapping between an operation in a {@link org.apache.tuscany.spi.model.ServiceContract} and a
+ * method defined by a Java interface
+ *
+ * @version $Rev$ $Date$
+ */
+public final class JavaIDLUtils {
+
+ private JavaIDLUtils() {
+ }
+
+ /**
+ * Searches an array of methods for a match against the given operation
+ *
+ * @param operation the operation to match
+ * @param methods the methods to match against
+ * @return a matching method or null
+ */
+ public static Method findMethod(Operation<?> operation, Method[] methods) {
+ for (Method method : methods) {
+ if (match(operation, method)) {
+ return method;
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Searches a collection of operations for a match against the given method
+ *
+ * @param method the method to match
+ * @param operations the operations to match against
+ * @return a matching operation or null
+ */
+ public static Operation findOperation(Method method, Collection<Operation<?>> operations) {
+ for (Operation<?> operation : operations) {
+ if (match(operation, method)) {
+ return operation;
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Determines if the given operation matches the given method
+ *
+ * @return true if the operation matches, false if does not
+ */
+ private static <T> boolean match(Operation<T> operation, Method method) {
+ Class<?>[] params = method.getParameterTypes();
+ DataType<List<DataType<T>>> inputType = operation.getInputType();
+ List<DataType<T>> types = inputType.getLogical();
+ boolean found = true;
+ if (types.size() == params.length && method.getName().equals(operation.getName())) {
+ for (int i = 0; i < params.length; i++) {
+ Class<?> clazz = params[i];
+ if (!clazz.equals(operation.getInputType().getLogical().get(i).getPhysical())) {
+ found = false;
+ }
+ }
+ } else {
+ found = false;
+ }
+ return found;
+
+ }
+
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/JavaInterfaceProcessor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/JavaInterfaceProcessor.java
new file mode 100644
index 0000000000..afe98f0773
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/JavaInterfaceProcessor.java
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.idl.java;
+
+import org.apache.tuscany.spi.idl.InvalidServiceContractException;
+
+/**
+ * Implementations introspect metadata on a Java interface, populating the
+ * corresponding {@link JavaServiceContract}
+ *
+ * @version $Rev$ $Date$
+ */
+public interface JavaInterfaceProcessor {
+
+ void visitInterface(Class<?> clazz, Class<?> callbackClass, JavaServiceContract contract)
+ throws InvalidServiceContractException;
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/JavaInterfaceProcessorExtension.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/JavaInterfaceProcessorExtension.java
new file mode 100644
index 0000000000..d0333b0c3d
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/JavaInterfaceProcessorExtension.java
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.idl.java;
+
+import org.osoa.sca.annotations.Init;
+
+import org.apache.tuscany.spi.annotation.Autowire;
+
+/**
+ * A convenience class for <code>JavaInterfaceProcessor</code> extensions that performs autowiring
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class JavaInterfaceProcessorExtension implements JavaInterfaceProcessor {
+
+ protected JavaInterfaceProcessorRegistry registry;
+
+ @Autowire
+ public void setRegistry(JavaInterfaceProcessorRegistry registry) {
+ this.registry = registry;
+ }
+
+ @Init(eager = true)
+ public void init() {
+ registry.registerProcessor(this);
+ }
+
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/JavaInterfaceProcessorRegistry.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/JavaInterfaceProcessorRegistry.java
new file mode 100644
index 0000000000..38c64e6f88
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/JavaInterfaceProcessorRegistry.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.idl.java;
+
+/**
+ * A registry of {@link JavaInterfaceProcessor}s. Interface processors update a service contract definition based on a
+ * Java interface
+ *
+ * @version $Rev$ $Date$
+ */
+public interface JavaInterfaceProcessorRegistry extends InterfaceJavaIntrospector {
+
+ /**
+ * Registers the given processor
+ */
+ void registerProcessor(JavaInterfaceProcessor processor);
+
+ /**
+ * Deregisters the given processor
+ */
+ void unregisterProcessor(JavaInterfaceProcessor processor);
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/JavaServiceContract.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/JavaServiceContract.java
new file mode 100644
index 0000000000..ee29846e26
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/idl/java/JavaServiceContract.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.idl.java;
+
+import java.lang.reflect.Type;
+
+import org.apache.tuscany.spi.model.ServiceContract;
+
+/**
+ * Represents a service contract specified using a Java interface
+ *
+ * @version $Rev$ $Date$
+ */
+public class JavaServiceContract extends ServiceContract<Type> {
+
+ public JavaServiceContract() {
+ }
+
+ public JavaServiceContract(Class<?> interfaceClass) {
+ super(interfaceClass);
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/AbstractPropertyProcessor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/AbstractPropertyProcessor.java
new file mode 100644
index 0000000000..8014453f0b
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/AbstractPropertyProcessor.java
@@ -0,0 +1,163 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.implementation.java;
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Member;
+import java.lang.reflect.Method;
+import java.util.Map;
+
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.deployer.DeploymentContext;
+
+/**
+ * Base class for ImplementationProcessors that handle annotations that add Properties.
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class AbstractPropertyProcessor<A extends Annotation> extends ImplementationProcessorExtension {
+ private final Class<A> annotationClass;
+ private ImplementationProcessorService service;
+
+ protected AbstractPropertyProcessor(Class<A> annotationClass, ImplementationProcessorService service) {
+ this.annotationClass = annotationClass;
+ this.service = service;
+ }
+
+ public void visitMethod(CompositeComponent parent,
+ Method method,
+ PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type,
+ DeploymentContext context) throws ProcessingException {
+ A annotation = method.getAnnotation(annotationClass);
+ if (annotation == null) {
+ return;
+ }
+
+ if (!Void.TYPE.equals(method.getReturnType())) {
+ IllegalPropertyException ipe = new IllegalPropertyException("Method does not have void return type");
+ ipe.setIdentifier(method.toString());
+ throw ipe;
+ }
+ Class[] paramTypes = method.getParameterTypes();
+ if (paramTypes.length != 1) {
+ IllegalPropertyException ipe = new IllegalPropertyException("Method must have 1 parameter");
+ ipe.setIdentifier(method.toString());
+ throw ipe;
+ }
+ Class<?> javaType = paramTypes[0];
+
+ String name = getName(annotation);
+ if (name == null || name.length() == 0) {
+ name = method.getName();
+ if (name.startsWith("set")) {
+ name = toPropertyName(method.getName());
+ }
+ }
+
+ Map<String, JavaMappedProperty<?>> properties = type.getProperties();
+ if (properties.containsKey(name)) {
+ throw new DuplicatePropertyException(name);
+ }
+
+ JavaMappedProperty<?> property = createProperty(name, javaType, method);
+ initProperty(property, annotation, parent, context);
+ properties.put(name, property);
+ }
+
+ public void visitField(CompositeComponent parent,
+ Field field,
+ PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type,
+ DeploymentContext context) throws ProcessingException {
+ A annotation = field.getAnnotation(annotationClass);
+ if (annotation == null) {
+ return;
+ }
+
+ Class<?> javaType = field.getType();
+
+ String name = getName(annotation);
+ if (name == null || name.length() == 0) {
+ name = field.getName();
+ }
+
+ Map<String, JavaMappedProperty<?>> properties = type.getProperties();
+ if (properties.containsKey(name)) {
+ throw new DuplicatePropertyException(name);
+ }
+
+ JavaMappedProperty<?> property = createProperty(name, javaType, field);
+ initProperty(property, annotation, parent, context);
+ properties.put(name, property);
+ }
+
+ public <T> void visitConstructor(CompositeComponent parent, Constructor<T> constructor,
+ PojoComponentType<JavaMappedService,
+ JavaMappedReference, JavaMappedProperty<?>> type,
+ DeploymentContext context) throws ProcessingException {
+
+ ConstructorDefinition<?> definition = type.getConstructorDefinition();
+ Class[] params = constructor.getParameterTypes();
+ Map<String, JavaMappedProperty<?>> properties = type.getProperties();
+ Annotation[][] annotations = constructor.getParameterAnnotations();
+ for (int i = 0; i < params.length; i++) {
+ Class<?> param = params[i];
+ Annotation[] paramAnnotations = annotations[i];
+ for (Annotation annotation : paramAnnotations) {
+ if (annotation.annotationType().equals(annotationClass)) {
+ if (definition == null) {
+ definition = new ConstructorDefinition<T>(constructor);
+ type.setConstructorDefinition(definition);
+ }
+ A monitorAnnot = annotationClass.cast(annotation);
+ String name = getName(monitorAnnot);
+ if (name == null || name.length() == 0) {
+ name = param.getName();
+ }
+ JavaMappedProperty<?> property = createProperty(name, param, constructor);
+ initProperty(property, monitorAnnot, parent, context);
+ properties.put(name, property);
+ service.addName(definition.getInjectionNames(), i, name);
+ }
+ }
+ }
+ }
+
+ protected abstract String getName(A annotation);
+
+ protected <T> void initProperty(JavaMappedProperty<T> property,
+ A annotation,
+ CompositeComponent parent,
+ DeploymentContext context) throws ProcessingException {
+ }
+
+ protected <T> JavaMappedProperty<T> createProperty(String name, Class<T> javaType, Member member)
+ throws ProcessingException {
+ return new JavaMappedProperty<T>(name, null, javaType, member);
+ }
+
+
+ public static String toPropertyName(String name) {
+ if (!name.startsWith("set")) {
+ return name;
+ }
+ return Character.toLowerCase(name.charAt(3)) + name.substring(4);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/ConstructorDefinition.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/ConstructorDefinition.java
new file mode 100644
index 0000000000..94c185966f
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/ConstructorDefinition.java
@@ -0,0 +1,51 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.implementation.java;
+
+import java.lang.reflect.Constructor;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Hold injection information for the constructor used to instantiate a component implementation instance
+ *
+ * @version $Rev$ $Date$
+ */
+public class ConstructorDefinition<T> {
+
+ private Constructor<T> constructor;
+ private List<String> injectionNames;
+
+ public ConstructorDefinition(Constructor<T> constructor) {
+ this.constructor = constructor;
+ injectionNames = new ArrayList<String>();
+ }
+
+ public Constructor<T> getConstructor() {
+ return constructor;
+ }
+
+ public List<String> getInjectionNames() {
+ return injectionNames;
+ }
+
+ public void setInjectionNames(List<String> injectionNames) {
+ this.injectionNames = injectionNames;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/DuplicatePropertyException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/DuplicatePropertyException.java
new file mode 100644
index 0000000000..3582beff7f
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/DuplicatePropertyException.java
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.implementation.java;
+
+/**
+ * Thrown when an implementation has more than one property injection site with the same name
+ *
+ * @version $Rev$ $Date$
+ */
+public class DuplicatePropertyException extends ProcessingException {
+ public DuplicatePropertyException() {
+ }
+
+ public DuplicatePropertyException(String message) {
+ super(message);
+ }
+
+ public DuplicatePropertyException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public DuplicatePropertyException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/IllegalPropertyException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/IllegalPropertyException.java
new file mode 100644
index 0000000000..40f7eeadb8
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/IllegalPropertyException.java
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.implementation.java;
+
+/**
+ * Denotes an illegal property definition in a component type
+ *
+ * @version $Rev$ $Date$
+ */
+public class IllegalPropertyException extends ProcessingException {
+ public IllegalPropertyException() {
+ }
+
+ public IllegalPropertyException(String message) {
+ super(message);
+ }
+
+ public IllegalPropertyException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public IllegalPropertyException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/ImplementationProcessor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/ImplementationProcessor.java
new file mode 100644
index 0000000000..fb9beca53c
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/ImplementationProcessor.java
@@ -0,0 +1,128 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.implementation.java;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.deployer.DeploymentContext;
+
+/**
+ * Implementations process class-level metadata, typically parsing annotations and updating the corresponding
+ * <code>ComponentType</code>. A processor may, for example, create a {@link JavaMappedProperty} which is responsible
+ * for injecting a complex type on a component implementation instance when it is instantiated.
+ * <p/>
+ * Processors will receive callbacks as the implementation class is walked while evalauting an assembly. It is the
+ * responsibility of the parser to determine whether to perform an action during the callback.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ImplementationProcessor {
+
+ /**
+ * A callback received when the component implementation class is first loaded
+ *
+ * @param parent the parent composite
+ * @param clazz the component implementation class
+ * @param type the incomplete component type associated with the implementation class
+ * @param context the current deployment context
+ * @throws ProcessingException if an error is encountered while processing metadata
+ */
+ <T> void visitClass(CompositeComponent parent,
+ Class<T> clazz,
+ PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type,
+ DeploymentContext context) throws ProcessingException;
+
+ /**
+ * A callback received as the component implementation class hierarchy is evaluated
+ *
+ * @param parent the parent composite
+ * @param clazz the superclass in the component implmentation's class hierarchy
+ * @param type the incomplete component type associated with the implementation class
+ * @param context the current deployment context
+ * @throws ProcessingException if an error is encountered while processing metadata
+ */
+ <T> void visitSuperClass(CompositeComponent parent,
+ Class<T> clazz,
+ PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type,
+ DeploymentContext context) throws ProcessingException;
+
+ /**
+ * A callback received as the component implementation's public and protected methods are evaluated
+ *
+ * @param parent the parent composite
+ * @param method the current public or protected method being evaluated
+ * @param type the incomplete component type associated with the implementation class
+ * @param context the current deployment context
+ * @throws ProcessingException if an error is encountered while processing metadata
+ */
+ void visitMethod(CompositeComponent parent,
+ Method method,
+ PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type,
+ DeploymentContext context) throws ProcessingException;
+
+ /**
+ * A callback received as the component implementation's constructor used for instantiation by the runtime is
+ * evaluated. If an implementation contains more than one constructor, the constructor passed to the callback will
+ * be chosen according to the algorithm described in the SCA Java Client and Implementation Model Specification.
+ *
+ * @param parent the parent composite
+ * @param constructor the constructor used for instantiating component implementation instances
+ * @param type the incomplete component type associated with the implementation class
+ * @param context the current deployment context
+ * @throws ProcessingException if an error is encountered while processing metadata
+ */
+ <T> void visitConstructor(CompositeComponent parent,
+ Constructor<T> constructor,
+ PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type,
+ DeploymentContext context)
+ throws ProcessingException;
+
+ /**
+ * A callback received as the component implementation's public and protected fields are evaluated
+ *
+ * @param parent the parent composite
+ * @param field the current public or protected field being evaluated
+ * @param type the incomplete component type associated with the implementation class
+ * @param context the current deployment context
+ * @throws ProcessingException if an error is encountered while processing metadata
+ */
+ void visitField(CompositeComponent parent,
+ Field field,
+ PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type,
+ DeploymentContext context) throws ProcessingException;
+
+ /**
+ * The final callback received when all other callbacks during evaluation of the component implementation have been
+ * issued
+ *
+ * @param parent the parent composite
+ * @param clazz the component implementation class
+ * @param type the incomplete component type associated with the implementation class
+ * @param context the current deployment context
+ * @throws ProcessingException if an error is encountered while processing metadata
+ */
+ <T> void visitEnd(CompositeComponent parent,
+ Class<T> clazz,
+ PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type,
+ DeploymentContext context) throws ProcessingException;
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/ImplementationProcessorExtension.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/ImplementationProcessorExtension.java
new file mode 100644
index 0000000000..79a715ca70
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/ImplementationProcessorExtension.java
@@ -0,0 +1,91 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.implementation.java;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+import org.osoa.sca.annotations.Destroy;
+import org.osoa.sca.annotations.Init;
+
+import org.apache.tuscany.spi.annotation.Autowire;
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.deployer.DeploymentContext;
+
+/**
+ * A convenience class for annotation processors which alleviates the need to implement unused callbacks
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class ImplementationProcessorExtension implements ImplementationProcessor {
+ private IntrospectionRegistry registry;
+
+ @Autowire
+ public void setRegistry(IntrospectionRegistry registry) {
+ this.registry = registry;
+ }
+
+ @Init(eager = true)
+ public void init() {
+ registry.registerProcessor(this);
+ }
+
+ @Destroy
+ public void destroy() {
+ registry.unregisterProcessor(this);
+ }
+
+ public <T> void visitClass(CompositeComponent parent, Class<T> clazz,
+ PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type,
+ DeploymentContext context)
+ throws ProcessingException {
+ }
+
+ public <T> void visitSuperClass(CompositeComponent parent, Class<T> clazz,
+ PojoComponentType<JavaMappedService,
+ JavaMappedReference, JavaMappedProperty<?>> type,
+ DeploymentContext context)
+ throws ProcessingException {
+ }
+
+ public void visitMethod(CompositeComponent parent, Method method,
+ PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type,
+ DeploymentContext context)
+ throws ProcessingException {
+ }
+
+ public <T> void visitConstructor(CompositeComponent parent, Constructor<T> constructor,
+ PojoComponentType<JavaMappedService,
+ JavaMappedReference, JavaMappedProperty<?>> type,
+ DeploymentContext context)
+ throws ProcessingException {
+ }
+
+ public void visitField(CompositeComponent parent, Field field,
+ PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type,
+ DeploymentContext context) throws ProcessingException {
+ }
+
+ public <T> void visitEnd(CompositeComponent parent, Class<T> clazz,
+ PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type,
+ DeploymentContext context) throws ProcessingException {
+
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/ImplementationProcessorService.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/ImplementationProcessorService.java
new file mode 100644
index 0000000000..c1b0dc07af
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/ImplementationProcessorService.java
@@ -0,0 +1,90 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.implementation.java;
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Member;
+import java.util.List;
+
+import org.apache.tuscany.spi.idl.InvalidServiceContractException;
+import org.apache.tuscany.spi.model.ServiceContract;
+
+/**
+ * Provides utility methods for Java implementation processing
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ImplementationProcessorService {
+
+ /**
+ * Introspects the given interface to produce a mapped service
+ */
+ JavaMappedService createService(Class<?> interfaze) throws InvalidServiceContractException,
+ InvalidServiceContractException;
+
+ JavaMappedReference createReference(String name, Member member, Class<?> paramType) throws ProcessingException;
+
+ /**
+ * Processes the callback contract for a given interface type
+ *
+ * @param interfaze the interface type to examine
+ * @param contract the service contract the callback is associated wth
+ * @throws InvalidServiceContractException
+ *
+ */
+ void processCallback(Class<?> interfaze, ServiceContract<?> contract) throws InvalidServiceContractException;
+
+ /**
+ * Determines if all the members of a collection have unique types
+ *
+ * @param collection the collection to analyze
+ * @return true if the types are unique
+ */
+ boolean areUnique(Class[] collection);
+
+ /**
+ * Inserts a name at the specified position, paddiling the list if its size is less than the position
+ */
+ void addName(List<String> names, int pos, String name);
+
+ /**
+ * Processes a constructor parameter by introspecting its annotations
+ *
+ * @param param the parameter to process
+ * @param paramAnnotations the parameter annotations
+ * @param constructorNames the array of constructorNames specified by
+ * @param pos the declaration position of the constructor parameter
+ * @param type the component type associated with implementation being reflected
+ * @param injectionNames the list of parameter constructorNames specified on parameter annotations
+ * @throws ProcessingException
+ */
+ boolean processParam(
+ Class<?> param,
+ Annotation[] paramAnnotations,
+ String[] constructorNames,
+ int pos,
+ PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type,
+ List<String> injectionNames) throws ProcessingException;
+
+ /**
+ * Returns true if {@link @Autowire}, {@link @Property}, or {@link @Reference} are present in the given array
+ */
+ boolean injectionAnnotationsPresent(Annotation[][] annots);
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/IntrospectionRegistry.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/IntrospectionRegistry.java
new file mode 100644
index 0000000000..a6122a6ff1
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/IntrospectionRegistry.java
@@ -0,0 +1,38 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.implementation.java;
+
+/**
+ * A system service which tracks {@link ImplementationProcessor}s
+ *
+ * @version $Rev$ $Date$
+ */
+public interface IntrospectionRegistry extends Introspector {
+
+ /**
+ * Registers the given processor and makes it available during assembly evaluation (i.e. build)
+ */
+ void registerProcessor(ImplementationProcessor processor);
+
+ /**
+ * Deregisters the given processor
+ */
+ void unregisterProcessor(ImplementationProcessor processor);
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/Introspector.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/Introspector.java
new file mode 100644
index 0000000000..66abc1f686
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/Introspector.java
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.implementation.java;
+
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.deployer.DeploymentContext;
+
+/**
+ * Implementations are responsible for walking a component implementation class, adding additional component type
+ * information as appropriate
+ *
+ * @version $Rev$ $Date$
+ */
+public interface Introspector {
+
+ /**
+ * Walks the given component implementation class
+ *
+ * @param parent the parent composite
+ * @param clazz the component implementation class
+ * @param type the component type associated with the implementation class
+ * @return the updated component type
+ * @throws ProcessingException if an error is encountered evaluating the implementation class
+ */
+ PojoComponentType introspect(CompositeComponent parent,
+ Class<?> clazz,
+ PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type,
+ DeploymentContext context)
+ throws ProcessingException;
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/JavaMappedComponentType.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/JavaMappedComponentType.java
new file mode 100644
index 0000000000..34ac8f53f9
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/JavaMappedComponentType.java
@@ -0,0 +1,61 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.implementation.java;
+
+import org.apache.tuscany.spi.model.ComponentType;
+
+/**
+ * A specialized component type definition whose services, references and properties can be mapped to the Java
+ * programming model.
+ *
+ * @version $Rev$ $Date$
+ */
+public class JavaMappedComponentType<
+ S extends JavaMappedService,
+ R extends JavaMappedReference,
+ P extends JavaMappedProperty<?>
+ > extends ComponentType<S, R, P> {
+
+ private Class<?> implClass;
+
+ public JavaMappedComponentType() {
+ }
+
+ public JavaMappedComponentType(Class<?> implClass) {
+ this.implClass = implClass;
+ }
+
+ /**
+ * Returns the implementation class associated with this component type.
+ *
+ * @return the implementation class associated with this component type
+ */
+ public Class<?> getImplClass() {
+ return implClass;
+ }
+
+ /**
+ * Sets the implementation class associated with this component type.
+ *
+ * @param implClass the implementation class associated with this component type
+ */
+ public void setImplClass(Class<?> implClass) {
+ this.implClass = implClass;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/JavaMappedProperty.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/JavaMappedProperty.java
new file mode 100644
index 0000000000..6d1715a035
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/JavaMappedProperty.java
@@ -0,0 +1,64 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.implementation.java;
+
+import java.lang.reflect.Member;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.spi.model.Property;
+
+/**
+ * A Property definition that is mapped to a specific location in the implementation class. This location will typically
+ * be used to inject property values.
+ *
+ * @version $Rev$ $Date$
+ */
+public class JavaMappedProperty<T> extends Property<T> {
+ private Member member;
+
+ public JavaMappedProperty() {
+ }
+
+ public JavaMappedProperty(String name, QName xmlType, Class<T> javaType) {
+ super(name, xmlType, javaType);
+ }
+
+ public JavaMappedProperty(String name, QName xmlType, Class<T> javaType, Member member) {
+ super(name, xmlType, javaType);
+ this.member = member;
+ }
+
+ /**
+ * Returns the Member that this property is mapped to.
+ *
+ * @return the Member that this property is mapped to
+ */
+ public Member getMember() {
+ return member;
+ }
+
+ /**
+ * Sets the Member that this property is mapped to
+ *
+ * @param member the Member that this property is mapped to
+ */
+ public void setMember(Member member) {
+ this.member = member;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/JavaMappedReference.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/JavaMappedReference.java
new file mode 100644
index 0000000000..8c718a831b
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/JavaMappedReference.java
@@ -0,0 +1,60 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.implementation.java;
+
+import java.lang.reflect.Member;
+
+import org.apache.tuscany.spi.model.ReferenceDefinition;
+import org.apache.tuscany.spi.model.ServiceContract;
+
+/**
+ * A ReferenceDefinition definition that is mapped to a specific location in the implementation class. This location
+ * will typically be used to inject reference values.
+ *
+ * @version $Rev$ $Date$
+ */
+public class JavaMappedReference extends ReferenceDefinition {
+ private Member member;
+
+ public JavaMappedReference() {
+ }
+
+ public JavaMappedReference(String name, ServiceContract serviceContract, Member member) {
+ super(name, serviceContract);
+ this.member = member;
+ }
+
+ /**
+ * Returns the Member that this reference is mapped to.
+ *
+ * @return the Member that this reference is mapped to
+ */
+ public Member getMember() {
+ return member;
+ }
+
+ /**
+ * Sets the Member that this reference is mapped to
+ *
+ * @param member the Member that this reference is mapped to
+ */
+ public void setMember(Member member) {
+ this.member = member;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/JavaMappedService.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/JavaMappedService.java
new file mode 100644
index 0000000000..ee5e0bb2a7
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/JavaMappedService.java
@@ -0,0 +1,91 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.implementation.java;
+
+import java.lang.reflect.Member;
+
+import org.apache.tuscany.spi.model.ServiceContract;
+import org.apache.tuscany.spi.model.ServiceDefinition;
+
+/**
+ * A ServiceDefinition definition that is mapped to a Java interface. The mapped interface is not required to be the
+ * same as the interface specified in the service contract. This is to allow the service contract to be specified using
+ * different interface definition languages or, in the case were the IDL is Java, to allow the service definition to be
+ * loaded from a different classloader.
+ *
+ * @version $Rev$ $Date$
+ */
+public class JavaMappedService extends ServiceDefinition {
+ private Class<?> serviceInterface;
+ private Member callbackMember;
+
+ public JavaMappedService() {
+ }
+
+ public JavaMappedService(Class<?> serviceInterface) {
+ this.serviceInterface = serviceInterface;
+ }
+
+ public JavaMappedService(String name, ServiceContract contract, boolean remotable) {
+ super(name, contract, remotable);
+ }
+
+ public JavaMappedService(String name,
+ ServiceContract contract,
+ boolean remotable,
+ String callbackRefName,
+ Member callbackMember) {
+ super(name, contract, remotable, callbackRefName);
+ this.callbackMember = callbackMember;
+ }
+
+ public JavaMappedService(String name, ServiceContract contract, Class<?> serviceInterface, boolean remotable) {
+ super(name, contract, remotable);
+ this.serviceInterface = serviceInterface;
+ }
+
+ /**
+ * Returns the Java interface for this service. This may be different from the interface that defines the service
+ * contract.
+ *
+ * @return the Java interface for this service
+ */
+ public Class<?> getServiceInterface() {
+ return serviceInterface;
+ }
+
+ /**
+ * Sets the Java interface for this service. This may be different from the interface used to define the service
+ * contract.
+ *
+ * @param serviceInterface the Java interface for this service
+ */
+ public void setServiceInterface(Class<?> serviceInterface) {
+ this.serviceInterface = serviceInterface;
+ }
+
+ public Member getCallbackMember() {
+ return callbackMember;
+ }
+
+ public void setCallbackMember(Member callbackMember) {
+ this.callbackMember = callbackMember;
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/PojoComponentType.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/PojoComponentType.java
new file mode 100644
index 0000000000..edf3db5538
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/PojoComponentType.java
@@ -0,0 +1,98 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.implementation.java;
+
+import java.lang.reflect.Method;
+
+import org.apache.tuscany.spi.model.ComponentType;
+import org.apache.tuscany.spi.model.Property;
+import org.apache.tuscany.spi.model.ReferenceDefinition;
+import org.apache.tuscany.spi.model.Scope;
+import org.apache.tuscany.spi.model.ServiceDefinition;
+
+/**
+ * A component type specialization for POJO implementations
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public class PojoComponentType<S extends ServiceDefinition, R extends ReferenceDefinition, P extends Property<?>>
+ extends ComponentType<S, R, P> {
+
+ private Scope implementationScope = Scope.UNDEFINED;
+ private ConstructorDefinition<?> constructorDefinition;
+ private Method initMethod;
+ private Method destroyMethod;
+
+ /**
+ * Returns the component implementation scope
+ */
+ public Scope getImplementationScope() {
+ return implementationScope;
+ }
+
+ /**
+ * Sets the component implementation scope
+ */
+ public void setImplementationScope(Scope implementationScope) {
+ this.implementationScope = implementationScope;
+ }
+
+ /**
+ * Returns the constructor used to instantiate implementation instances
+ */
+ public ConstructorDefinition<?> getConstructorDefinition() {
+ return constructorDefinition;
+ }
+
+ /**
+ * Sets the constructor used to instantiate implementation instances
+ */
+ public void setConstructorDefinition(ConstructorDefinition<?> definition) {
+ this.constructorDefinition = definition;
+ }
+
+ /**
+ * Returns the component initializer method
+ */
+ public Method getInitMethod() {
+ return initMethod;
+ }
+
+ /**
+ * Sets the component initializer method
+ */
+ public void setInitMethod(Method initMethod) {
+ this.initMethod = initMethod;
+ }
+
+ /**
+ * Returns the component destructor method
+ */
+ public Method getDestroyMethod() {
+ return destroyMethod;
+ }
+
+ /**
+ * Sets the component destructor method
+ */
+ public void setDestroyMethod(Method destroyMethod) {
+ this.destroyMethod = destroyMethod;
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/ProcessingException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/ProcessingException.java
new file mode 100644
index 0000000000..126526d082
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/implementation/java/ProcessingException.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.implementation.java;
+
+import org.apache.tuscany.spi.loader.LoaderException;
+
+/**
+ * Denotes a problem processing annotations on a POJO implementation
+ *
+ * @version $Rev$ $Date$
+ */
+public class ProcessingException extends LoaderException {
+ public ProcessingException() {
+ }
+
+ public ProcessingException(String message) {
+ super(message);
+ }
+
+ public ProcessingException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public ProcessingException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/ComponentTypeLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/ComponentTypeLoader.java
new file mode 100644
index 0000000000..8ad01d8197
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/ComponentTypeLoader.java
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.loader;
+
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.deployer.DeploymentContext;
+import org.apache.tuscany.spi.model.Implementation;
+
+/**
+ * Loader that will load the ComponentType definition for the supplied implementation. The actual mechanism used to load
+ * that definition is determined by the Client and Implementation Specification for the implementaion type. In some
+ * cases the definition may be contained in a XML file related to the implementation artifact in some well defined
+ * manner; other implementations may obtain this information from introspection of the artifact itself (for example, by
+ * examining Java annotations).
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ComponentTypeLoader<I extends Implementation> {
+ /**
+ * Load the component type definition for the supplied implementation.
+ *
+ * @param parent the parent composite
+ * @param implementation the implementation whose component type information should be loaded
+ * @param deploymentContext the current deployment context
+ * @throws LoaderException if there was a problem loading the configuration type
+ */
+ void load(CompositeComponent parent, I implementation, DeploymentContext deploymentContext)
+ throws LoaderException;
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/InvalidReferenceException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/InvalidReferenceException.java
new file mode 100644
index 0000000000..59db6195d8
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/InvalidReferenceException.java
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.loader;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class InvalidReferenceException extends LoaderException {
+ private static final long serialVersionUID = -4346666572527197558L;
+
+ public InvalidReferenceException() {
+ }
+
+ public InvalidReferenceException(String message) {
+ super(message);
+ }
+
+ public InvalidReferenceException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public InvalidReferenceException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/InvalidValueException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/InvalidValueException.java
new file mode 100644
index 0000000000..194a5cc7c7
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/InvalidValueException.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.loader;
+
+/**
+ * Exception that indicates the loader encountered an invalid value.
+ * The message should be set to the invalid value.
+ *
+ * @version $Rev$ $Date$
+ */
+public class InvalidValueException extends LoaderException {
+
+ public InvalidValueException() {
+ }
+
+ public InvalidValueException(String message) {
+ super(message);
+ }
+
+ public InvalidValueException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public InvalidValueException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/Loader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/Loader.java
new file mode 100644
index 0000000000..e6364fe02b
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/Loader.java
@@ -0,0 +1,81 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.loader;
+
+import java.net.URL;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.spi.model.Implementation;
+import org.apache.tuscany.spi.model.ModelObject;
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.deployer.DeploymentContext;
+
+/**
+ * System service for loading physical artifacts that represent SCDL configurations and creating the model objects that
+ * represent them.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface Loader {
+ /**
+ * Parse the supplied XML stream, dispatching to the appropriate registered loader for each element encountered in
+ * the stream.
+ * <p/>
+ * This method must be called with the XML cursor positioned on a START_ELEMENT event. When this method returns, the
+ * stream will be positioned on the corresponding END_ELEMENT event.
+ *
+ * @param parent
+ * @param reader the XML stream to parse
+ * @param deploymentContext the current deployment context
+ * @return the model object obtained by parsing the current element on the stream
+ * @throws XMLStreamException if there was a problem reading the stream
+ */
+ ModelObject load(CompositeComponent parent, XMLStreamReader reader, DeploymentContext deploymentContext)
+ throws XMLStreamException, LoaderException;
+
+ /**
+ * Load a model object from a specified location.
+ *
+ * @param parent
+ * @param url the location of an XML document to be loaded
+ * @param type the type of ModelObject that is expected to be in the document
+ * @param deploymentContext the current deployment context
+ * @return the model ojbect loaded from the document
+ * @throws LoaderException if there was a problem loading the document
+ */
+ <MO extends ModelObject> MO load(CompositeComponent parent, URL url, Class<MO> type,
+ DeploymentContext deploymentContext)
+ throws LoaderException;
+
+ /**
+ * Load the component type definition for a given implementation. How the component type information is located is
+ * defined by the implementation specification. It may include loading from an XML sidefile, introspection of some
+ * artifact related to the implementation, some combination of those techniques or any other implementation-defined
+ * mechanism.
+ *
+ * @param parent the parent composite
+ * @param implementation the implementation whose component type should be loaded
+ * @param deploymentContext the current deployment context
+ * @throws LoaderException if there was a problem loading the component type definition
+ */
+ <I extends Implementation<?>> void loadComponentType(CompositeComponent parent, I implementation,
+ DeploymentContext deploymentContext)
+ throws LoaderException;
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/LoaderException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/LoaderException.java
new file mode 100644
index 0000000000..7b22fbbe94
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/LoaderException.java
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.loader;
+
+import org.apache.tuscany.api.TuscanyException;
+
+/**
+ * Base class for Exceptions raised during the loading process. Loader implementations should throw a subclass of this
+ * to indicate the actual problem.
+ *
+ * @version $Rev$ $Date$
+ */
+public class LoaderException extends TuscanyException {
+ private static final long serialVersionUID = -7459051598906813461L;
+ private String resourceURI;
+
+ public LoaderException() {
+ }
+
+ public LoaderException(String message) {
+ super(message);
+ }
+
+ public LoaderException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public LoaderException(Throwable cause) {
+ super(cause);
+ }
+
+ /**
+ * Returns the location of the resource that was being loaded.
+ *
+ * @return the location of the resource that was being loaded
+ */
+ public String getResourceURI() {
+ return resourceURI;
+ }
+
+ /**
+ * Sets the location of the resource that was being loaded.
+ *
+ * @param resourceURI the location of the resource that was being loaded
+ */
+ public void setResourceURI(String resourceURI) {
+ this.resourceURI = resourceURI;
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/LoaderRegistry.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/LoaderRegistry.java
new file mode 100644
index 0000000000..ea88b99b22
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/LoaderRegistry.java
@@ -0,0 +1,69 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.loader;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.spi.model.Implementation;
+import org.apache.tuscany.spi.model.ModelObject;
+
+/**
+ * Registry for XML loaders that can parse a StAX input stream and return model objects.
+ * <p/>
+ * Loaders will typically be contributed to the system by any extension that needs to handle extension specific
+ * information contained in some XML configuration file. The loader can be contributed as a system component with an
+ * autowire reference to this builderRegistry which is used during initialization to actually register. </p> This
+ * builderRegistry can also be used to parse an input stream, dispatching to the appropriate loader for each element
+ * accepted. Loaders can call back to the builderRegistry to load sub-elements that they are not able to handle
+ * directly.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface LoaderRegistry extends Loader {
+ /**
+ * Register a loader. This operation will typically be called by a loader during its initialization.
+ *
+ * @param element the element that should be delegated to the contibuted loader
+ * @param loader a loader that is being contributed to the system
+ */
+ <T extends ModelObject> void registerLoader(QName element, StAXElementLoader<T> loader);
+
+ /**
+ * Unregister a loader. This will typically be called by a loader as it is being destroyed.
+ *
+ * @param element the element that was being delegated to the contibuted loader
+ * @param loader a loader that should no longer be used
+ */
+ <T extends ModelObject> void unregisterLoader(QName element, StAXElementLoader<T> loader);
+
+ /**
+ * Regsiter a component type loader.
+ *
+ * @param key a type of implementation this loader can load component types for
+ * @param loader the loader that is being contributed to the system
+ */
+ <I extends Implementation<?>> void registerLoader(Class<I> key, ComponentTypeLoader<I> loader);
+
+ /**
+ * Unregister a component type loader form the system.
+ *
+ * @param key a type of implementation whose loader should be unregistered
+ */
+ <I extends Implementation<?>> void unregisterLoader(Class<I> key);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/LoaderUtil.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/LoaderUtil.java
new file mode 100644
index 0000000000..bf48f91a74
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/LoaderUtil.java
@@ -0,0 +1,78 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.loader;
+
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamConstants;
+
+/**
+ * Utility functions to support loader implementations.
+ *
+ * @version $Rev$ $Date$
+ */
+public final class LoaderUtil {
+ private LoaderUtil() {
+ }
+
+ /**
+ * Advance the stream to the next END_ELEMENT event skipping any nested content.
+ *
+ * @param reader the reader to advance
+ * @throws XMLStreamException if there was a problem reading the stream
+ */
+ public static void skipToEndElement(XMLStreamReader reader) throws XMLStreamException {
+ int depth = 0;
+ while (true) {
+ int event = reader.next();
+ if (event == XMLStreamConstants.START_ELEMENT) {
+ depth++;
+ } else if (event == XMLStreamConstants.END_ELEMENT) {
+ if (depth == 0) {
+ return;
+ }
+ depth--;
+ }
+ }
+ }
+
+ /**
+ * Load the class using the supplied ClassLoader.
+ * The class will be defined so any initializers present will be fired.
+ * As the class is being loaded, the Thread context ClassLoader will be
+ * set to the supplied classloader.
+ *
+ * @param name the name of the class to load
+ * @param cl the classloader to use to load it
+ * @return the class
+ * @throws MissingResourceException if the class could not be found
+ */
+ public static Class<?> loadClass(String name, ClassLoader cl) throws MissingResourceException {
+ final Thread thread = Thread.currentThread();
+ final ClassLoader oldCL = thread.getContextClassLoader();
+ try {
+ thread.setContextClassLoader(cl);
+ return Class.forName(name, true, cl);
+ } catch (ClassNotFoundException e) {
+ throw new MissingResourceException(name, e);
+ } finally {
+ thread.setContextClassLoader(oldCL);
+ }
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/MissingImplementationException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/MissingImplementationException.java
new file mode 100644
index 0000000000..89a44083cc
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/MissingImplementationException.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.loader;
+
+/**
+ * Exception that indicates that an implementation was not provided.
+ *
+ * @version $Rev$ $Date$
+ */
+public class MissingImplementationException extends LoaderException {
+ private static final long serialVersionUID = -2917278473974880124L;
+
+ /**
+ * Default constructor.
+ */
+ public MissingImplementationException() {
+ super();
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/MissingIncludeException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/MissingIncludeException.java
new file mode 100644
index 0000000000..4b44332de6
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/MissingIncludeException.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.loader;
+
+/**
+ * Exception that indicates that an include was not provided.
+ *
+ * @version $Rev$ $Date$
+ */
+public class MissingIncludeException extends LoaderException {
+ private static final long serialVersionUID = -2917278473974880124L;
+
+ /**
+ * Default constructor.
+ */
+ public MissingIncludeException() {
+ super();
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/MissingMustOverridePropertyException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/MissingMustOverridePropertyException.java
new file mode 100644
index 0000000000..22042d46ac
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/MissingMustOverridePropertyException.java
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.loader;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class MissingMustOverridePropertyException extends LoaderException {
+ public MissingMustOverridePropertyException(String name) {
+ super(name);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/MissingResourceException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/MissingResourceException.java
new file mode 100644
index 0000000000..b24806543c
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/MissingResourceException.java
@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.loader;
+
+/**
+ * Exception that indicates an expected resource could not be found. The message should be set to the name of the
+ * resource.
+ *
+ * @version $Rev$ $Date$
+ */
+public class MissingResourceException extends LoaderException {
+ private static final long serialVersionUID = 3775013318397916445L;
+
+ /**
+ * Constructor that indicates which resource could not be found. The supplied parameter is also returned as the
+ * message.
+ *
+ * @param resource the resource that could not be found
+ */
+ public MissingResourceException(String resource) {
+ super(resource);
+ }
+
+ /**
+ * Constructor that indicates which resource could not be found. The supplied parameter is also returned as the
+ * message.
+ *
+ * @param resource the resource that could not be found
+ */
+ public MissingResourceException(String resource, Throwable cause) {
+ super(resource, cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/NotOverridablePropertyException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/NotOverridablePropertyException.java
new file mode 100644
index 0000000000..4672f22a6a
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/NotOverridablePropertyException.java
@@ -0,0 +1,30 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.loader;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class NotOverridablePropertyException extends LoaderException {
+ private static final long serialVersionUID = 1483304023970967982L;
+
+ public NotOverridablePropertyException(String name) {
+ super(name);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/PropertyObjectFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/PropertyObjectFactory.java
new file mode 100644
index 0000000000..8b569d76fb
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/PropertyObjectFactory.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.loader;
+
+import org.apache.tuscany.spi.ObjectFactory;
+import org.apache.tuscany.spi.model.Property;
+import org.apache.tuscany.spi.model.PropertyValue;
+
+/**
+ * A factory that will create an ObjectFactory for a property
+ *
+ * @version $Rev$ $Date$
+ */
+public interface PropertyObjectFactory {
+ /**
+ * Return an ObjectFactory for instances of a property defined in an XML. The ObjectFactory must return instances
+ * that can safely be supplied to component implementations. If the instance is mutable and isolation between
+ * components is required, then the factory must clone or otherwise protect the implementation from unexpected
+ * modifications by other implementation instances.
+ *
+ * @param property the Property definition that the resulting ObjectFactory must be able to assign to
+ * @param propertyValue The component configuration of the property
+ * @return an ObjectFactory that can produce instances that can be assigned to the supplied Property
+ * @throws LoaderException if there is a problem creating the ObjectFactory
+ */
+ <T> ObjectFactory<T> createObjectFactory(Property<T> property, PropertyValue<T> propertyValue)
+ throws LoaderException;
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/StAXElementLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/StAXElementLoader.java
new file mode 100644
index 0000000000..08e873d86e
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/StAXElementLoader.java
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.loader;
+
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.deployer.DeploymentContext;
+import org.apache.tuscany.spi.model.ModelObject;
+
+/**
+ * A loader that creates a model object from a StAX input stream.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface StAXElementLoader<T extends ModelObject> {
+ /**
+ * Create the model object for an element in an XML stream. When this method returns the stream will be positioned
+ * on the corresponding END_ELEMENT.
+ *
+ * @param parent
+ * @param reader the XML stream reader positioned on the applicable START_ELEMENT
+ * @param deploymentContext the context for the load operation
+ * @return the model object for that element
+ */
+ T load(CompositeComponent parent, XMLStreamReader reader, DeploymentContext deploymentContext)
+ throws XMLStreamException, LoaderException;
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/UndefinedPropertyException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/UndefinedPropertyException.java
new file mode 100644
index 0000000000..c2521071e1
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/UndefinedPropertyException.java
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.loader;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class UndefinedPropertyException extends LoaderException {
+ public UndefinedPropertyException(String name) {
+ super(name);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/UnexpectedElementException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/UnexpectedElementException.java
new file mode 100644
index 0000000000..cd5542f901
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/UnexpectedElementException.java
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.loader;
+
+import javax.xml.namespace.QName;
+
+/**
+ * Exception that indicates that an element was found during loading that when loaded resulted in an unexpected type.
+ * This should not occur if the document being parsed conforms to its schema. The messages set to the name of the
+ * element
+ *
+ * @version $Rev$ $Date$
+ */
+public class UnexpectedElementException extends LoaderException {
+ public UnexpectedElementException(QName element) {
+ super(element.toString());
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/UnrecognizedElementException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/UnrecognizedElementException.java
new file mode 100644
index 0000000000..b103c50f79
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/loader/UnrecognizedElementException.java
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.loader;
+
+import javax.xml.namespace.QName;
+
+/**
+ * Exception that indicates an element was encountered that could not be handled.
+ *
+ * @version $Rev$ $Date$
+ */
+public class UnrecognizedElementException extends LoaderException {
+ private static final long serialVersionUID = 2549543622209829032L;
+ private final QName element;
+
+ /**
+ * Constructor that indicates which resource could not be found. The supplied parameter is also returned as the
+ * message.
+ *
+ * @param element the element that could not be handled
+ */
+ public UnrecognizedElementException(QName element) {
+ super(element.toString());
+ setIdentifier(getMessage());
+ this.element = element;
+ }
+
+ public QName getElement() {
+ return element;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/AtomicImplementation.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/AtomicImplementation.java
new file mode 100644
index 0000000000..8e12e970ae
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/AtomicImplementation.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+/**
+ * The base representation of an atomic component implementation
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class AtomicImplementation<T extends ComponentType> extends Implementation<T> {
+ protected AtomicImplementation() {
+ }
+
+ protected AtomicImplementation(T componentType) {
+ super(componentType);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Binding.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Binding.java
new file mode 100644
index 0000000000..3b9a20c38e
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Binding.java
@@ -0,0 +1,27 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+/**
+ * The base representation of a binding specified in an assembly
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class Binding extends ModelObject {
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/BindlessServiceDefinition.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/BindlessServiceDefinition.java
new file mode 100644
index 0000000000..e17269ddff
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/BindlessServiceDefinition.java
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+import java.net.URI;
+
+/**
+ * Represents a service in a composite, with an interface and a reference target.
+ *
+ * @version $Rev$ $Date$
+ */
+public class BindlessServiceDefinition extends ServiceDefinition {
+ private URI target;
+
+ public BindlessServiceDefinition(String name, ServiceContract contract, boolean remotable, URI target) {
+ super(name, contract, remotable);
+ this.target = target;
+ }
+
+ public BindlessServiceDefinition() {
+ }
+
+ public URI getTarget() {
+ return target;
+ }
+
+ public void setTarget(URI target) {
+ this.target = target;
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/BoundReferenceDefinition.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/BoundReferenceDefinition.java
new file mode 100644
index 0000000000..bb973419b6
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/BoundReferenceDefinition.java
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+/**
+ * Represents a reference configured with a binding in a composite
+ *
+ * @version $Rev$ $Date$
+ */
+public class BoundReferenceDefinition<B extends Binding> extends ReferenceDefinition {
+ private B binding;
+
+ public B getBinding() {
+ return binding;
+ }
+
+ public void setBinding(B binding) {
+ this.binding = binding;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/BoundServiceDefinition.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/BoundServiceDefinition.java
new file mode 100644
index 0000000000..8c82d8a815
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/BoundServiceDefinition.java
@@ -0,0 +1,57 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+import java.net.URI;
+
+/**
+ * Represents a service offered by a component, that has a particular binding associated with it.
+ *
+ * @version $Rev$ $Date$
+ */
+public class BoundServiceDefinition<B extends Binding> extends ServiceDefinition {
+ private B binding;
+ private URI target;
+
+ public BoundServiceDefinition(String name, ServiceContract contract, boolean remotable, B binding, URI target) {
+ super(name, contract, remotable);
+ this.binding = binding;
+ this.target = target;
+ }
+
+ public BoundServiceDefinition() {
+ }
+
+ public B getBinding() {
+ return binding;
+ }
+
+ public void setBinding(B binding) {
+ this.binding = binding;
+ }
+
+ public URI getTarget() {
+ return target;
+ }
+
+ public void setTarget(URI target) {
+ this.target = target;
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ComponentDefinition.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ComponentDefinition.java
new file mode 100644
index 0000000000..de4abbd4e8
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ComponentDefinition.java
@@ -0,0 +1,154 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Represents a component.
+ * <p>A component is a configured instance of an implementation. The services provided and consumed
+ * and the available configuration properties are defined by the implementation (represented by
+ * its componentType).</p>
+ * <p>Every component has a name which uniquely identifies it within the scope of the composite
+ * that contains it; the name must be different from the names of all other components, services and references
+ * immediately contained in the composite (directly or through an &lt;include&gt; element).</p>
+ * <p>A component may define a {@link PropertyValue} that overrides the default value of a {@link Property}
+ * defined in the componentType.</p>
+ * <p>It may also define a {@link ReferenceTarget} for a {@link ReferenceDefinition} defined in the componentType.
+ * The ReferenceTarget must resolve to another component or a reference in the enclosing composite.</p>
+ * <p>Components may specify an initialization level that will determine the order in which it will be eagerly
+ * initialized relative to other components from the enclosing composite that are in the same scope. This can be
+ * used to define a startup sequence for components that are otherwise independent. Any initialization required
+ * to resolve references between components will override this initialization order.</p>
+ *
+ * @version $Rev$ $Date$
+ */
+public class ComponentDefinition<I extends Implementation<?>> extends ModelObject {
+ private String name;
+ private Integer initLevel;
+ private final I implementation;
+ private final Map<String, ReferenceTarget> referenceTargets = new HashMap<String, ReferenceTarget>();
+ private final Map<String, PropertyValue<?>> propertyValues = new HashMap<String, PropertyValue<?>>();
+
+ /**
+ * Constructor specifying the component's name and implementation.
+ *
+ * @param name the name of this component
+ * @param implementation the implementation of this component
+ */
+ public ComponentDefinition(String name, I implementation) {
+ this.name = name;
+ this.implementation = implementation;
+ }
+
+ /**
+ * Constructor specifying the implementation of this component.
+ *
+ * @param implementation the implementation of this component
+ */
+ public ComponentDefinition(I implementation) {
+ this.implementation = implementation;
+ }
+
+ /**
+ * Returns the {@link Implementation} of this component.
+ *
+ * @return the implementation of this component
+ */
+ public I getImplementation() {
+ return implementation;
+ }
+
+ /**
+ * Returns the name of this component.
+ *
+ * @return the name of this component
+ */
+ public String getName() {
+ return name;
+ }
+
+ /**
+ * Sets the name of this component.
+ *
+ * @param name the name of this component
+ */
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ /**
+ * Returns the initialization level of this component.
+ *
+ * @return the initialization level of this component
+ */
+ public Integer getInitLevel() {
+ return initLevel;
+ }
+
+ /**
+ * Sets the initialization level of this component.
+ * If set to null then the level from the componentType is used.
+ * If set to zero or a negative value then the component will not be eagerly initialized.
+ *
+ * @param initLevel the initialization level of this component
+ */
+ public void setInitLevel(Integer initLevel) {
+ this.initLevel = initLevel;
+ }
+
+ /**
+ * Returns a live Map of the {@link ReferenceTarget targets} configured by this component definition.
+ *
+ * @return the reference targets configured by this component
+ */
+ public Map<String, ReferenceTarget> getReferenceTargets() {
+ return referenceTargets;
+ }
+
+ /**
+ * Add a reference target configuration to this component.
+ * Any existing configuration for the reference named in the target is replaced.
+ *
+ * @param target the target to add
+ */
+ public void add(ReferenceTarget target) {
+ referenceTargets.put(target.getReferenceName(), target);
+ }
+
+ /**
+ * Returns a live Map of {@link PropertyValue property values} configured by this component definition.
+ *
+ * @return the property values configured by this component
+ */
+ public Map<String, PropertyValue<?>> getPropertyValues() {
+ return propertyValues;
+ }
+
+ /**
+ * Add a property value configuration to this component.
+ * Any existing configuration for the property names in the property value is replaced.
+ *
+ * @param value the property value to add
+ */
+ public void add(PropertyValue<?> value) {
+ propertyValues.put(value.getName(), value);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ComponentType.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ComponentType.java
new file mode 100644
index 0000000000..5d254d5437
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ComponentType.java
@@ -0,0 +1,143 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * <p>The definition of the configurable aspects of an implementation in terms of the services it exposes,
+ * the services it references, and properties that can be used to configure it.</p>
+ * <p>A service represents an addressable interface provided by the implementation. Such a service
+ * may be the target of a wire from another component.</p>
+ * <p>A reference represents a requirement that an implementation has on a service provided by another
+ * component or by a resource outside the SCA system. Such a reference may be the source of a wire to another
+ * component.</p>
+ * <p>A property allows the behaviour of the implementation to be configured through externally set values.</p>
+ * <p>A component type may also declare that it wishes to be initialized upon activation of the scope that
+ * contains it and may specify an order relative to other eagerly initializing components. For example, an
+ * implementation that pre-loads some form of cache could declare that it should be eagerly initialized at
+ * the start of the scope so that the cache load occured on startup rather than first use.</p>
+ *
+ * @version $Rev$ $Date$
+ */
+public class ComponentType<S extends ServiceDefinition, R extends ReferenceDefinition, P extends Property<?>>
+ extends ModelObject {
+ private int initLevel;
+ private final Map<String, S> services = new HashMap<String, S>();
+ private final Map<String, R> references = new HashMap<String, R>();
+ private final Map<String, P> properties = new HashMap<String, P>();
+
+ /**
+ * Returns the default initialization level for components of this type.
+ * A value greater than zero indicates that components should be eagerly initialized.
+ *
+ * @return the default initialization level
+ */
+ public int getInitLevel() {
+ return initLevel;
+ }
+
+ /**
+ * Sets the default initialization level for components of this type.
+ * A value greater than zero indicates that components should be eagerly initialized.
+ *
+ * @param initLevel default initialization level for components of this type
+ */
+ public void setInitLevel(int initLevel) {
+ this.initLevel = initLevel;
+ }
+
+ /**
+ * Returns true if this component should be eagerly initialized.
+ *
+ * @return true if this component should be eagerly initialized
+ */
+ public boolean isEagerInit() {
+ return initLevel > 0;
+ }
+
+ /**
+ * Obsolete method for indicating that this component should be eagerly initialized.
+ * If true, sets the init level to 50; if false, sets it to zero.
+ *
+ * @param eagerInit flag indicating that this component should be eagerly initialized
+ */
+ @Deprecated
+ public void setEagerInit(boolean eagerInit) {
+ initLevel = eagerInit ? 50 : 0;
+ }
+
+ /**
+ * Returns a live Map of the services provided by the implementation.
+ *
+ * @return a live Map of the services provided by the implementation
+ */
+ public Map<String, S> getServices() {
+ return services;
+ }
+
+ /**
+ * Add a service to those provided by the implementation.
+ * Any existing service with the same name is replaced.
+ *
+ * @param service a service provided by the implementation
+ */
+ public void add(S service) {
+ services.put(service.getName(), service);
+ }
+
+ /**
+ * Returns a live Map of references to services consumed by the implementation.
+ *
+ * @return a live Map of references to services consumed by the implementation
+ */
+ public Map<String, R> getReferences() {
+ return references;
+ }
+
+ /**
+ * Add a reference to a service consumed by the implementation.
+ * Any existing reference with the same name is replaced.
+ *
+ * @param reference a reference to a service consumed by the implementation
+ */
+ public void add(R reference) {
+ references.put(reference.getName(), reference);
+ }
+
+ /**
+ * Returns a live Map of properties that can be used to configure the implementation.
+ *
+ * @return a live Map of properties that can be used to configure the implementation
+ */
+ public Map<String, P> getProperties() {
+ return properties;
+ }
+
+ /**
+ * Add a property that can be used to configure the implementation.
+ * Any existing property with the same name is replaced.
+ *
+ * @param property a property that can be used to configure the implementation
+ */
+ public void add(P property) {
+ properties.put(property.getName(), property);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/CompositeComponentType.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/CompositeComponentType.java
new file mode 100644
index 0000000000..c13cceca8c
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/CompositeComponentType.java
@@ -0,0 +1,146 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * A specialization of component type for composite components.
+ *
+ * @version $Rev$ $Date$
+ */
+public class CompositeComponentType<S extends ServiceDefinition,
+ R extends ReferenceDefinition,
+ P extends Property<?>> extends ComponentType<S, R, P> {
+
+ private String name;
+ private final Map<String, ComponentDefinition<? extends Implementation<?>>> components =
+ new HashMap<String, ComponentDefinition<? extends Implementation<?>>>();
+ private final Map<String, Include> includes = new HashMap<String, Include>();
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ /**
+ * Get all properties including the ones are from included composites
+ * @return
+ */
+ public Map<String, P> getProperties() {
+ Map<String, P> view = new HashMap<String, P>(super.getProperties());
+ for (Include i : includes.values()) {
+ view.putAll(i.getIncluded().getProperties());
+ }
+ return Collections.unmodifiableMap(view);
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ /**
+ * Get all references including the ones are from included composites
+ * @return
+ */
+ public Map<String, R> getReferences() {
+ Map<String, R> view = new HashMap<String, R>(super.getReferences());
+ for (Include i : includes.values()) {
+ view.putAll(i.getIncluded().getReferences());
+ }
+ return Collections.unmodifiableMap(view);
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ /**
+ * Get all services including the ones are from included composites
+ * @return
+ */
+ public Map<String, S> getServices() {
+ Map<String, S> view = new HashMap<String, S>(super.getServices());
+ for (Include i : includes.values()) {
+ view.putAll(i.getIncluded().getServices());
+ }
+ return Collections.unmodifiableMap(view);
+ }
+
+ /**
+ * Get all components including the ones are from included composites
+ * @return
+ */
+ @SuppressWarnings("unchecked")
+ public Map<String, ComponentDefinition<? extends Implementation<?>>> getComponents() {
+ Map<String, ComponentDefinition<? extends Implementation<?>>> view =
+ new HashMap<String, ComponentDefinition<? extends Implementation<?>>>(components);
+ for (Include i : includes.values()) {
+ view.putAll(i.getIncluded().getComponents());
+ }
+ return Collections.unmodifiableMap(view);
+ }
+
+ /**
+ * Get declared properties in this composite type, included doesn't count
+ * @return
+ */
+ public Map<String, P> getDeclaredProperties() {
+ return super.getProperties();
+ }
+
+ /**
+ * Get declared references in this composite type, included doesn't count
+ * @return
+ */
+ public Map<String, R> getDeclaredReferences() {
+ return super.getReferences();
+ }
+
+ /**
+ * Get declared services in this composite type, included doesn't count
+ * @return
+ */
+ public Map<String, S> getDeclaredServices() {
+ return super.getServices();
+ }
+
+ /**
+ * Get declared components in this composite type, included doesn't count
+ * @return
+ */
+ public Map<String, ComponentDefinition<? extends Implementation<?>>> getDeclaredComponents() {
+ return components;
+ }
+
+ public void add(ComponentDefinition<? extends Implementation<?>> componentDefinition) {
+ components.put(componentDefinition.getName(), componentDefinition);
+ }
+
+ public Map<String, Include> getIncludes() {
+ return includes;
+ }
+
+ public void add(Include include) {
+ includes.put(include.getName(), include);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/CompositeImplementation.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/CompositeImplementation.java
new file mode 100644
index 0000000000..6948c52286
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/CompositeImplementation.java
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+import java.net.URL;
+
+/**
+ * A specialization of an implementation associated with composite components
+ *
+ * @version $Rev$ $Date$
+ */
+public class CompositeImplementation extends Implementation<CompositeComponentType> {
+ private String name;
+ private URL scdlLocation;
+ private ClassLoader classLoader;
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public URL getScdlLocation() {
+ return scdlLocation;
+ }
+
+ public void setScdlLocation(URL scdlLocation) {
+ this.scdlLocation = scdlLocation;
+ }
+
+ public ClassLoader getClassLoader() {
+ return classLoader;
+ }
+
+ public void setClassLoader(ClassLoader classLoader) {
+ this.classLoader = classLoader;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/DataType.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/DataType.java
new file mode 100644
index 0000000000..c98c113d95
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/DataType.java
@@ -0,0 +1,223 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+import java.lang.reflect.Type;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Representation of the type of data associated with an operation. Data is represented in two forms: the physical form
+ * used by the runtime and a logical form used by the assembly. The physical form is a Java Type because the runtime is
+ * written in Java. This may be the same form used by the application but it may not; for example, an application that
+ * is performing stream processing may want a physical form such as an {@link java.io.InputStream InputStream} to
+ * semantially operate on application data such as a purchase order. The logical description is that used by the
+ * assembly model and is an identifier into some well-known type space; examples may be a Java type represented by its
+ * Class or an XML type represented by its QName. Every data type may also contain metadata describing the expected
+ * data; for example, it could specify a preferred data binding technology or the size of a typical instance.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DataType<L> extends ModelObject {
+ private String dataBinding = Object.class.getName();
+
+ private final Type physical;
+
+ private final L logical;
+
+ private final Map<String, Object> metadata = new HashMap<String, Object>();
+
+ /**
+ * Construct a data type specifying the physical and logical types.
+ *
+ * @param physical the physical class used by the runtime
+ * @param logical the logical type
+ * @see #getLogical()
+ */
+ public DataType(Type physical, L logical) {
+ this.physical = physical;
+ this.logical = logical;
+ if (physical instanceof Class) {
+ this.dataBinding = ((Class) physical).getName();
+ }
+ }
+
+ public DataType(String dataBinding, Type physical, L logical) {
+ this.dataBinding = dataBinding;
+ this.physical = physical;
+ this.logical = logical;
+ }
+
+ /**
+ * Returns the physical type used by the runtime.
+ *
+ * @return the physical type used by the runtime
+ */
+ public Type getPhysical() {
+ return physical;
+ }
+
+ /**
+ * Returns the logical identifier used by the assembly. The type of this value identifies the logical type system in
+ * use. Known values are: <ul> <li>a java.lang.reflect.Type identifies a Java type by name and ClassLoader; this
+ * includes Java Classes as they are specializations of Type</li> <li>a javax.xml.namespace.QName identifies an XML
+ * type by local name and namespace</li> </ul>
+ *
+ * @return the logical type name
+ */
+ public L getLogical() {
+ return logical;
+ }
+
+ /**
+ * Returns all metadata about this type.
+ *
+ * @return all metadata about this type
+ */
+ public Map<String, ?> getMetadata() {
+ return metadata;
+ }
+
+ /**
+ * Returns the specified metadata item or null if not present.
+ *
+ * @param name the name of the metadata item
+ * @return the value, or null if not present
+ */
+ public Object getMetadata(String name) {
+ return metadata.get(name);
+ }
+
+ /**
+ * Sets the specified metadata value. A null value undefines it.
+ *
+ * @param name the name of the metadata item
+ * @param value the value, or null to undefine
+ * @return the old value for the item, or null if not present
+ */
+ public Object setMetadata(String name, Object value) {
+ if (value == null) {
+ return metadata.remove(name);
+ } else {
+ return metadata.put(name, value);
+ }
+ }
+
+ public String getDataBinding() {
+ if (dataBinding == null) {
+ // databinding is not set at the DataType level, check the operation
+ Operation<?> operation = (Operation<?>) getMetadata(Operation.class.getName());
+ if (operation != null) {
+ return operation.getDataBinding();
+ }
+ }
+ return dataBinding;
+ }
+
+ /**
+ * @param dataBinding the dataBinding to set
+ */
+ public void setDataBinding(String dataBinding) {
+ this.dataBinding = dataBinding;
+ }
+
+ public int hashCode() {
+ int result;
+ result = dataBinding != null ? dataBinding.hashCode() : 0;
+ result = 29 * result + (physical != null ? physical.hashCode() : 0);
+ result = 29 * result + (logical != null ? logical.hashCode() : 0);
+ // Commented the following line out since it causes infinite loop from Operation.hashCode()
+ // if the metadata map contains the Operation
+ // result = 29 * result + (metadata != null ? metadata.hashCode() : 0);
+ return result;
+ }
+
+ public boolean equals(Object o){
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+
+ final DataType dataType = (DataType) o;
+
+ if (dataBinding != null ? !dataBinding.equals(dataType.dataBinding) : dataType.dataBinding != null) {
+ return false;
+ }
+ if (logical != null ? !logical.equals(dataType.logical) : dataType.logical != null) {
+ return false;
+ }
+ return !(physical != null ? !physical.equals(dataType.physical) : dataType.physical != null);
+
+ }
+
+// @SuppressWarnings("unchecked")
+// public boolean equals(Object o) {
+// if (this == o) {
+// return true;
+// }
+// if (o == null || getClass() != o.getClass()) {
+// return false;
+// }
+//
+// final DataType dataType = (DataType) o;
+//
+// if (logical instanceof Class && dataType.logical instanceof Class) {
+// Class<?> logicalClass = (Class<?>) logical;
+// Class<?> targetLogicalClass = (Class<?>) dataType.logical;
+// if (!logicalClass.isAssignableFrom(targetLogicalClass)) {
+// return false;
+// }
+// } else {
+// if (logical != null ? !logical.equals(dataType.logical) : dataType.logical != null) {
+// return false;
+// }
+// }
+// if (physical instanceof Class && dataType.physical instanceof Class) {
+// Class<?> physicalClass = (Class<?>) physical;
+// Class<?> physicalTargetClass = (Class<?>) dataType.physical;
+// if (dataBinding != null
+// && dataType.dataBinding != null
+// && dataBinding.equals(physicalClass.getName())
+// && dataType.dataBinding.equals(physicalTargetClass.getName())) {
+// return physicalClass.isAssignableFrom(physicalTargetClass);
+// }
+// if (!physicalClass.isAssignableFrom(physicalTargetClass)) {
+// return false;
+// }
+// return !(dataBinding != null ? !dataBinding.equals(dataType.dataBinding) : dataType.dataBinding != null);
+//
+//
+// }
+//
+// if (dataBinding != null ? !dataBinding.equals(dataType.dataBinding) : dataType.dataBinding != null) {
+// return false;
+// }
+//
+// return !(physical != null ? !physical.equals(dataType.physical) : dataType.physical != null);
+// }
+
+ public String toString() {
+ StringBuffer sb = new StringBuffer();
+ sb.append(physical).append(" ").append(dataBinding).append(" ").append(logical);
+ return sb.toString();
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Implementation.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Implementation.java
new file mode 100644
index 0000000000..8520ab49e8
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Implementation.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+/**
+ * Represents a component implementation
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class Implementation<T extends ComponentType> extends ModelObject {
+ private T componentType;
+
+ protected Implementation() {
+ }
+
+ protected Implementation(T componentType) {
+ this.componentType = componentType;
+ }
+
+ public T getComponentType() {
+ return componentType;
+ }
+
+ public void setComponentType(T componentType) {
+ this.componentType = componentType;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Include.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Include.java
new file mode 100644
index 0000000000..ac320a2b5c
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Include.java
@@ -0,0 +1,80 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+import java.net.URL;
+
+/**
+ * Model object that represents the include of a composite by value.
+ *
+ * @version $Rev$ $Date$
+ */
+public class Include extends ModelObject {
+ private String name;
+ private URL scdlLocation;
+ private CompositeComponentType included;
+
+ /**
+ * Returns the name of the composite that is being included.
+ * @return the name of the composite that is being included
+ */
+ public String getName() {
+ return name;
+ }
+
+ /**
+ * Sets the name of the composite that is being included.
+ * @param name the name of the composite that is being included
+ */
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ /**
+ * Returns the location of the SCDL for composite being included.
+ * @return the location of the SCDL for composite being included
+ */
+ public URL getScdlLocation() {
+ return scdlLocation;
+ }
+
+ /**
+ * Sets the location of the SCDL for composite being included.
+ * @param scdlLocation the location of the SCDL for composite being included
+ */
+ public void setScdlLocation(URL scdlLocation) {
+ this.scdlLocation = scdlLocation;
+ }
+
+ /**
+ * Returns the composite that was included.
+ * @return the composite that was included
+ */
+ public CompositeComponentType getIncluded() {
+ return included;
+ }
+
+ /**
+ * Sets the composite that was included.
+ * @param included the composite that was included
+ */
+ public void setIncluded(CompositeComponentType included) {
+ this.included = included;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/InteractionScope.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/InteractionScope.java
new file mode 100644
index 0000000000..4e15e353c6
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/InteractionScope.java
@@ -0,0 +1,29 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+/**
+ * Represents the interaction scope specifed for a service
+ *
+ * @version $Rev$ $Date$
+ */
+public enum InteractionScope {
+ CONVERSATIONAL,
+ NONCONVERSATIONAL
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ModelObject.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ModelObject.java
new file mode 100644
index 0000000000..2d5a0802e6
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ModelObject.java
@@ -0,0 +1,38 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * The base class for assembly model subtypes
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class ModelObject {
+ private final Map<Object, Object> extensions = new HashMap<Object, Object>();
+
+ protected ModelObject() {
+ }
+
+ public Map<Object, Object> getExtensions() {
+ return extensions;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Multiplicity.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Multiplicity.java
new file mode 100644
index 0000000000..f7ec8759f8
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Multiplicity.java
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+/**
+ * Enumeration for multiplicity.
+ */
+public enum Multiplicity {
+ /**
+ * Indicates a relationship that is optionally connected to the requestor and which, if supplied, must be connected
+ * to exactly one provider.
+ */
+ ZERO_ONE,
+
+ /**
+ * Indicates a relationship that must be connected between exactly one requestor and exactly one provider.
+ */
+ ONE_ONE,
+
+ /**
+ * Indicates a relationship that is optionally connects the requestor to zero to unbounded providers.
+ */
+ ZERO_N,
+
+ /**
+ * Indicates a relationship that must be connected at the requestor and which connects it to zero to unbounded
+ * providers.
+ */
+ ONE_N
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Operation.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Operation.java
new file mode 100644
index 0000000000..b461f0e730
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Operation.java
@@ -0,0 +1,351 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.tuscany.spi.idl.WrapperInfo;
+
+/**
+ * Represents an operation that is part of a service contract. The type paramter of this operation identifies the
+ * logical type system for all data types.
+ *
+ * @version $Rev$ $Date$
+ */
+public class Operation<T> {
+ private static final String NAME = Operation.class.getName();
+
+ protected Map<String, Object> metaData;
+
+ private final String name;
+
+ private final DataType<T> outputType;
+
+ private final DataType<List<DataType<T>>> inputType;
+
+ private final List<DataType<T>> faultTypes;
+
+ private boolean nonBlocking;
+
+ private ServiceContract<T> contract;
+
+ private boolean callback;
+
+ private String dataBinding;
+
+ private boolean wrapperStyle;
+ private WrapperInfo wrapper;
+
+ /**
+ * Construct a minimally-specified operation
+ *
+ * @param name the name of the operation
+ * @param inputType the data types of parameters passed to the operation
+ * @param outputType the data type returned by the operation
+ * @param faultTypes the data type of faults raised by the operation
+ */
+ public Operation(String name,
+ DataType<List<DataType<T>>> inputType,
+ DataType<T> outputType,
+ List<DataType<T>> faultTypes) {
+ this(name, inputType, outputType, faultTypes, false, null);
+ }
+
+ /**
+ * Construct an operation
+ *
+ * @param name the name of the operation
+ * @param inputType the data types of parameters passed to the operation
+ * @param outputType the data type returned by the operation
+ * @param faultTypes the data type of faults raised by the operation
+ * @param nonBlocking if the operation is non-blocking
+ * @param dataBinding the data-binding type required by the operation
+ */
+ public Operation(final String name,
+ final DataType<List<DataType<T>>> inputType,
+ final DataType<T> outputType,
+ final List<DataType<T>> faultTypes,
+ boolean nonBlocking,
+ String dataBinding) {
+ super();
+ this.name = name;
+ List<DataType<T>> types = Collections.emptyList();
+ this.inputType = (inputType != null) ? inputType : new DataType<List<DataType<T>>>(Object[].class, types);
+ this.outputType = (outputType != null) ? outputType : new DataType<T>(void.class, null);
+ this.faultTypes = (faultTypes == null) ? types : faultTypes;
+ this.nonBlocking = nonBlocking;
+ this.dataBinding = dataBinding;
+ // Register the operation with the types
+ for (DataType<?> d : this.inputType.getLogical()) {
+ d.setMetadata(NAME, this);
+ }
+ this.outputType.setMetadata(NAME, this);
+ for (DataType<?> d : this.faultTypes) {
+ d.setMetadata(NAME, this);
+ }
+ }
+
+ /**
+ * Returns the service contract the operation is part of.
+ *
+ * @return the service contract the operation is part of.
+ */
+ public ServiceContract<T> getServiceContract() {
+ return contract;
+ }
+
+ /**
+ * Sets the service contract the operation is part of.
+ *
+ * @param contract the service contract the operation is part of.
+ */
+ public void setServiceContract(ServiceContract<T> contract) {
+ this.contract = contract;
+ }
+
+ /**
+ * Returns true if the operation is part of the callback contract.
+ *
+ * @return true if the operation is part of the callback contract.
+ */
+ public boolean isCallback() {
+ return callback;
+ }
+
+ /**
+ * Sets whether the operation is part of the callback contract.
+ *
+ * @param callback whether the operation is part of the callback contract.
+ */
+ public void setCallback(boolean callback) {
+ this.callback = callback;
+ }
+
+ /**
+ * Returns the name of the operation.
+ *
+ * @return the name of the operation
+ */
+ public String getName() {
+ return name;
+ }
+
+ /**
+ * Returns the data type returned by the operation.
+ *
+ * @return the data type returned by the operation
+ */
+ public DataType<T> getOutputType() {
+ return outputType;
+ }
+
+ /**
+ * Returns the data types of the parameters passed to the operation.
+ * <p/>
+ * The inputType's logical type is a list of DataTypes which describes the parameter types
+ *
+ * @return the data types of the parameters passed to the operation
+ */
+ public DataType<List<DataType<T>>> getInputType() {
+ return inputType;
+ }
+
+ /**
+ * Returns the data types of the faults raised by the operation.
+ *
+ * @return the data types of the faults raised by the operation
+ */
+ public List<DataType<T>> getFaultTypes() {
+ if (faultTypes == null) {
+ return Collections.emptyList();
+ }
+ return faultTypes;
+ }
+
+ /**
+ * Returns true if the operation is non-blocking. A non-blocking operation may not have completed execution at the
+ * time an invocation of the operation returns.
+ *
+ * @return true if the operation is non-blocking
+ */
+ public boolean isNonBlocking() {
+ return nonBlocking;
+ }
+
+ /**
+ * Returns the data binding type specified for the operation or null.
+ *
+ * @return the data binding type specified for the operation or null.
+ */
+ public String getDataBinding() {
+ return (dataBinding == null && contract != null) ? contract.getDataBinding() : dataBinding;
+ }
+
+ /**
+ * Set the databinding for this operation
+ *
+ * @param dataBinding The databinding
+ */
+ public void setDataBinding(String dataBinding) {
+ this.dataBinding = dataBinding;
+ }
+
+ /**
+ * Returns a map of metadata key to value mappings for the operation.
+ *
+ * @return a map of metadata key to value mappings for the operation.
+ */
+ public Map<String, Object> getMetaData() {
+ if (metaData == null) {
+ return Collections.emptyMap();
+ }
+ return metaData;
+ }
+
+ /**
+ * Adds metadata associated with the operation.
+ *
+ * @param key the metadata key
+ * @param val the metadata value
+ */
+ public void setMetaData(String key, Object val) {
+ if (metaData == null) {
+ metaData = new HashMap<String, Object>();
+ }
+ metaData.put(key, val);
+ }
+
+ /**
+ * Sets if the operation is non-blocking
+ */
+ public void setNonBlocking(boolean nonBlocking) {
+ this.nonBlocking = nonBlocking;
+ }
+
+ public String toString() {
+ return name;
+ }
+
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+
+ final Operation operation = (Operation) o;
+
+ if (name != null ? !name.equals(operation.name) : operation.name != null) {
+ return false;
+ }
+
+ // HACK: If the operation is mappable, then the equality test is relaxed
+ if (isMappable()) {
+ return true;
+ }
+
+ if (faultTypes == null && operation.faultTypes != null) {
+ return false;
+ } else if (faultTypes != null
+ && operation.faultTypes != null
+ && faultTypes.size() != 0
+ && operation.faultTypes.size() != 0) {
+ if (faultTypes.size() < operation.faultTypes.size()) {
+ return false;
+ } else {
+ for (int i = 0; i < operation.faultTypes.size(); i++) {
+ if (!faultTypes.get(i).equals(operation.faultTypes.get(i))) {
+ return false;
+ }
+ }
+ }
+ }
+
+ if (inputType != null ? !inputType.equals(operation.inputType) : operation.inputType != null) {
+ return false;
+ }
+ return !(outputType != null ? !outputType.equals(operation.outputType) : operation.outputType != null);
+ }
+
+ public int hashCode() {
+ int result;
+ result = name != null ? name.hashCode() : 0;
+ // HACK:
+ if (isMappable()) {
+ return result;
+ }
+ result = 29 * result + (outputType != null ? outputType.hashCode() : 0);
+ result = 29 * result + (inputType != null ? inputType.hashCode() : 0);
+ result = 29 * result + (faultTypes != null ? faultTypes.hashCode() : 0);
+ return result;
+ }
+
+ /**
+ * Returns true if the operation may be mapped to another target operation through an mediation
+ */
+ private boolean isMappable() {
+ if (contract != null) {
+ return contract.isRemotable();
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * Returns true if the operation is wrapper style
+ *
+ * @return the wrapperStyle
+ */
+ public boolean isWrapperStyle() {
+ return wrapperStyle;
+ }
+
+ /**
+ * Return the Wrapper information for this operation is it's wrapper style
+ *
+ * @return The Wrapper
+ */
+ public WrapperInfo getWrapper() {
+ if (!isWrapperStyle()) {
+ throw new IllegalStateException("The operation is not wrapper style.");
+ } else {
+ return wrapper;
+ }
+ }
+
+ /**
+ * @param wrapper the wrapper to set
+ */
+ public void setWrapper(WrapperInfo wrapper) {
+ this.wrapper = wrapper;
+ }
+
+ /**
+ * @param wrapperStyle the wrapperStyle to set
+ */
+ public void setWrapperStyle(boolean wrapperStyle) {
+ this.wrapperStyle = wrapperStyle;
+ }
+
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/OverrideOptions.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/OverrideOptions.java
new file mode 100644
index 0000000000..cc86b2670a
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/OverrideOptions.java
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.spi.model;
+
+/**
+ * <ul>
+ * <li>no – the value may not be overridden by the higher composite. In this
+ * case, a value must be provided for the reference or property as part of its
+ * declaration.
+ * <li>may – the value may be overridden by the composite. This is the default
+ * for references.
+ * <li>must – no value is specified and the using composite must specify one.
+ * </ul>
+ */
+public enum OverrideOptions {
+ NO, MAY, MUST
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Property.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Property.java
new file mode 100644
index 0000000000..700b099da7
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Property.java
@@ -0,0 +1,105 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+import javax.xml.namespace.QName;
+
+import org.w3c.dom.Document;
+
+import org.apache.tuscany.spi.ObjectFactory;
+
+/**
+ * A component property
+ *
+ * @version $Rev$ $Date$
+ */
+public class Property<T> extends ModelObject {
+ private String name;
+ private ObjectFactory<T> defaultValueFactory;
+ private QName xmlType;
+ private Class<T> javaType;
+ private boolean many;
+ private OverrideOptions override;
+ private Document defaultValue;
+
+ public Property() {
+ }
+
+ public Property(String name, QName xmlType, Class<T> javaType) {
+ this.name = name;
+ this.xmlType = xmlType;
+ this.javaType = javaType;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public ObjectFactory<T> getDefaultValueFactory() {
+ return defaultValueFactory;
+ }
+
+ public void setDefaultValueFactory(ObjectFactory<T> factory) {
+ this.defaultValueFactory = factory;
+ }
+
+ public QName getXmlType() {
+ return xmlType;
+ }
+
+ public void setXmlType(QName xmlType) {
+ this.xmlType = xmlType;
+ }
+
+ public Class<T> getJavaType() {
+ return javaType;
+ }
+
+ public void setJavaType(Class<T> javaType) {
+ this.javaType = javaType;
+ }
+
+ public boolean isMany() {
+ return many;
+ }
+
+ public void setMany(boolean many) {
+ this.many = many;
+ }
+
+ public OverrideOptions getOverride() {
+ return override;
+ }
+
+ public void setOverride(OverrideOptions override) {
+ this.override = override;
+ }
+
+ public Document getDefaultValue() {
+ return defaultValue;
+ }
+
+ public void setDefaultValue(Document defaultValue) {
+ this.defaultValue = defaultValue;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/PropertyValue.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/PropertyValue.java
new file mode 100644
index 0000000000..93eaa74f52
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/PropertyValue.java
@@ -0,0 +1,128 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+import org.apache.tuscany.spi.ObjectFactory;
+import org.w3c.dom.Document;
+
+/**
+ * Represents a configured component property
+ *
+ * @version $Rev$ $Date$
+ */
+public class PropertyValue<T> extends ModelObject {
+ private String name;
+ private String source;
+ private String file;
+ private Document value;
+ private ObjectFactory<T> valueFactory;
+
+ public PropertyValue() {
+ }
+
+ /**
+ * Constructor specifying the name of a property and the XPath source expression.
+ *
+ * @param name the name of the property which this value is for
+ * @param source an XPath expression whose result will be the actual value
+ * @param file A URI that the property value can be loaded from
+ */
+ public PropertyValue(String name, String source, String file) {
+ this.name = name;
+ this.source = source;
+ this.file = file;
+ }
+
+ /**
+ * @param name
+ * @param value
+ */
+ public PropertyValue(String name, Document value) {
+ this.name = name;
+ this.value = value;
+ }
+
+ public PropertyValue(String name, ObjectFactory<T> valueFactory) {
+ this.name = name;
+ this.valueFactory = valueFactory;
+ }
+
+ /**
+ * Returns the name of the property that this value is for.
+ * @return the name of the property that this value is for
+ */
+ public String getName() {
+ return name;
+ }
+
+ /**
+ * Sets the name of the property that this value is for.
+ * @param name the name of the property that this value is for
+ */
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ /**
+ * Returns an XPath expression that should be evaluated to get the actual property value.
+ *
+ * @return an XPath expression that should be evaluated to get the actual property value
+ */
+ public String getSource() {
+ return source;
+ }
+
+ /**
+ * Sets an XPath expression that should be evaluated to get the actual property value.
+ * @param source an XPath expression that should be evaluated to get the actual property value
+ */
+ public void setSource(String source) {
+ this.source = source;
+ }
+
+ public ObjectFactory<T> getValueFactory() {
+ return valueFactory;
+ }
+
+ public void setValueFactory(ObjectFactory<T> valueFactory) {
+ this.valueFactory = valueFactory;
+ }
+
+ public Document getValue() {
+ return value;
+ }
+
+ public void setValue(Document value) {
+ this.value = value;
+ }
+
+ /**
+ * @return the file
+ */
+ public String getFile() {
+ return file;
+ }
+
+ /**
+ * @param file the file to set
+ */
+ public void setFile(String file) {
+ this.file = file;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ReferenceDefinition.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ReferenceDefinition.java
new file mode 100644
index 0000000000..f167272705
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ReferenceDefinition.java
@@ -0,0 +1,80 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+/**
+ * Represents a component reference
+ *
+ * @version $Rev$ $Date$
+ */
+public class ReferenceDefinition extends ModelObject {
+ private String name;
+ private ServiceContract serviceContract;
+ private Multiplicity multiplicity;
+ private boolean autowire;
+ private boolean required;
+
+ public ReferenceDefinition() {
+ }
+
+ public ReferenceDefinition(String name, ServiceContract serviceContract) {
+ this.name = name;
+ this.serviceContract = serviceContract;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public ServiceContract<?> getServiceContract() {
+ return serviceContract;
+ }
+
+ public void setServiceContract(ServiceContract serviceContract) {
+ this.serviceContract = serviceContract;
+ }
+
+ public Multiplicity getMultiplicity() {
+ return multiplicity;
+ }
+
+ public void setMultiplicity(Multiplicity multiplicity) {
+ this.multiplicity = multiplicity;
+ }
+
+ public boolean isAutowire() {
+ return autowire;
+ }
+
+ public void setAutowire(boolean autowire) {
+ this.autowire = autowire;
+ }
+
+ public boolean isRequired() {
+ return required;
+ }
+
+ public void setRequired(boolean required) {
+ this.required = required;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ReferenceTarget.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ReferenceTarget.java
new file mode 100644
index 0000000000..db0bdb2b22
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ReferenceTarget.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Represents the set of targets configured on a reference
+ *
+ * @version $Rev$ $Date$
+ */
+public class ReferenceTarget extends ModelObject {
+ private String referenceName;
+ private List<URI> targets = new ArrayList<URI>();
+
+ public String getReferenceName() {
+ return referenceName;
+ }
+
+ public void setReferenceName(String referenceName) {
+ this.referenceName = referenceName;
+ }
+
+ public List<URI> getTargets() {
+ return targets;
+ }
+
+ public void addTarget(URI target) {
+ targets.add(target);
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Scope.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Scope.java
new file mode 100644
index 0000000000..9995cd4ec5
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/Scope.java
@@ -0,0 +1,57 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+/**
+ * The default implementation scopes supported by assemblies.
+ */
+public class Scope {
+ public static final Scope STATELESS = new Scope("STATELESS");
+ public static final Scope REQUEST = new Scope("REQUEST");
+ public static final Scope SESSION = new Scope("SESSION");
+ public static final Scope MODULE = new Scope("MODULE");
+ public static final Scope COMPOSITE = new Scope("COMPOSITE");
+ public static final Scope UNDEFINED = new Scope("UNDEFINED");
+
+ private String scope;
+
+ public Scope(String scope) {
+ this.scope = scope.toUpperCase().intern();
+ }
+
+ public String getScope() {
+ return scope;
+ }
+
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+ final Scope scope1 = (Scope) o;
+ return !(scope != null ? scope != scope1.scope.intern() : scope1.scope != null);
+ }
+
+ public int hashCode() {
+ return scope != null ? scope.hashCode() : 0;
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ServiceContract.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ServiceContract.java
new file mode 100644
index 0000000000..91d5611689
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ServiceContract.java
@@ -0,0 +1,246 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Base class representing service contract information
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class ServiceContract<T> extends ModelObject {
+ protected InteractionScope interactionScope;
+ protected boolean remotable;
+ protected Class<?> interfaceClass;
+ protected String interfaceName;
+ protected String callbackName;
+ protected Class<?> callbackClass;
+ protected Map<String, Operation<T>> operations;
+ protected Map<String, Operation<T>> callbackOperations;
+ protected String dataBinding;
+ protected Map<String, Object> metaData;
+
+ protected ServiceContract() {
+ }
+
+ protected ServiceContract(Class<?> interfaceClass) {
+ this.interfaceClass = interfaceClass;
+ }
+
+ protected ServiceContract(String interfaceName) {
+ this.interfaceName = interfaceName;
+ }
+
+ /**
+ * Returns the interface name for the contract
+ *
+ * @return the interface name for the contract
+ */
+ public String getInterfaceName() {
+ return interfaceName;
+ }
+
+ /**
+ * Sets the interface name for the contract
+ */
+ public void setInterfaceName(String interfaceName) {
+ this.interfaceName = interfaceName;
+ }
+
+ /**
+ * Returns the class used to represent the service contract
+ */
+ public Class<?> getInterfaceClass() {
+ return interfaceClass;
+ }
+
+ /**
+ * Sets the class used to represent the service contract
+ */
+ public void setInterfaceClass(Class<?> interfaceClass) {
+ this.interfaceClass = interfaceClass;
+ }
+
+ /**
+ * Returns the service interaction scope
+ */
+ public InteractionScope getInteractionScope() {
+ return interactionScope;
+ }
+
+ /**
+ * Sets the service interaction scope
+ */
+ public void setInteractionScope(InteractionScope interactionScope) {
+ this.interactionScope = interactionScope;
+ }
+
+ /**
+ * @return the remotable
+ */
+ public boolean isRemotable() {
+ return remotable;
+ }
+
+ /**
+ * @param remotable the remotable to set
+ */
+ public void setRemotable(boolean remotable) {
+ this.remotable = remotable;
+ }
+
+ /**
+ * Returns the name of the callback or null if the contract is unidirectional
+ */
+ public String getCallbackName() {
+ return callbackName;
+ }
+
+ /**
+ * Sets the name of the callback service
+ */
+ public void setCallbackName(String callbackName) {
+ this.callbackName = callbackName;
+ }
+
+ /**
+ * Returns the name of the callback service
+ */
+ public Class<?> getCallbackClass() {
+ return callbackClass;
+ }
+
+ public void setCallbackClass(Class<?> callbackClass) {
+ this.callbackClass = callbackClass;
+ }
+
+ public Map<String, Operation<T>> getOperations() {
+ if (operations == null) {
+ return Collections.emptyMap();
+ }
+ return Collections.unmodifiableMap(operations);
+ }
+
+ public void setOperations(Map<String, Operation<T>> operations) {
+ for (Operation<T> operation : operations.values()) {
+ operation.setServiceContract(this);
+ }
+ this.operations = operations;
+ }
+
+ public Map<String, Operation<T>> getCallbackOperations() {
+ if (callbackOperations == null) {
+ return Collections.emptyMap();
+ }
+ return Collections.unmodifiableMap(callbackOperations);
+ }
+
+ public void setCallbackOperations(Map<String, Operation<T>> callbacksOperations) {
+ for (Operation<T> operation : callbacksOperations.values()) {
+ operation.setServiceContract(this);
+ operation.setCallback(true);
+ }
+ this.callbackOperations = callbacksOperations;
+ }
+
+ public String getDataBinding() {
+ return dataBinding;
+ }
+
+ public void setDataBinding(String dataBinding) {
+ this.dataBinding = dataBinding;
+ }
+
+ /**
+ * Returns a map of metadata key to value mappings for the operation.
+ *
+ * @return a map of metadata key to value mappings for the operation.
+ */
+ public Map<String, Object> getMetaData() {
+ if (metaData == null) {
+ return Collections.emptyMap();
+ }
+ return metaData;
+ }
+
+ /**
+ * Adds metadata associated with the operation.
+ *
+ * @param key the metadata key
+ * @param val the metadata value
+ */
+ public void setMetaData(String key, Object val) {
+ if (metaData == null) {
+ metaData = new HashMap<String, Object>();
+ }
+ metaData.put(key, val);
+ }
+
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+
+ final ServiceContract that = (ServiceContract) o;
+
+ if (callbackName != null ? !callbackName.equals(that.callbackName) : that.callbackName != null) {
+ return false;
+ }
+ if (callbackOperations != null ? !callbackOperations.equals(that.callbackOperations)
+ : that.callbackOperations != null) {
+ return false;
+ }
+ if (interfaceClass != null ? !interfaceClass.equals(that.interfaceClass) : that.interfaceClass != null) {
+ return false;
+ }
+ if (interfaceName != null ? !interfaceName.equals(that.interfaceName) : that.interfaceName != null) {
+ return false;
+ }
+ return !(operations != null ? !operations.equals(that.operations) : that.operations != null);
+
+ }
+
+ public int hashCode() {
+ int result;
+ result = interfaceClass != null ? interfaceClass.hashCode() : 0;
+ result = 29 * result + (interfaceName != null ? interfaceName.hashCode() : 0);
+ result = 29 * result + (callbackName != null ? callbackName.hashCode() : 0);
+ result = 29 * result + (operations != null ? operations.hashCode() : 0);
+ result = 29 * result + (callbackOperations != null ? callbackOperations.hashCode() : 0);
+ return result;
+ }
+
+ public String toString() {
+ if (interfaceName != null) {
+ return new StringBuilder().append("ServiceContract[").append(interfaceName).append("]").toString();
+ } else if (interfaceClass != null) {
+ return new StringBuilder().append("ServiceContract[").append(interfaceClass.getName()).append("]")
+ .toString();
+ } else {
+ return super.toString();
+ }
+
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ServiceDefinition.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ServiceDefinition.java
new file mode 100644
index 0000000000..1667ff9272
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/ServiceDefinition.java
@@ -0,0 +1,83 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+/**
+ * Represents a service offered by a component
+ *
+ * @version $Rev$ $Date$
+ */
+public class ServiceDefinition extends ModelObject {
+ private String name;
+ private ServiceContract serviceContract;
+ private boolean remotable;
+ private String callbackRefName;
+
+ public ServiceDefinition() {
+ }
+
+ public ServiceDefinition(String name, ServiceContract serviceContract, boolean remotable) {
+ this.name = name;
+ this.serviceContract = serviceContract;
+ this.remotable = remotable;
+ }
+
+ public ServiceDefinition(String name, ServiceContract serviceContract, boolean remotable, String callbackRefName) {
+ this.name = name;
+ this.serviceContract = serviceContract;
+ this.remotable = remotable;
+ this.callbackRefName = callbackRefName;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public ServiceContract<?> getServiceContract() {
+ return serviceContract;
+ }
+
+ public void setServiceContract(ServiceContract serviceContract) {
+ this.serviceContract = serviceContract;
+ }
+
+ public boolean isRemotable() {
+ return remotable;
+ }
+
+ public void setRemotable(boolean remotable) {
+ this.remotable = remotable;
+ }
+
+ /**
+ * Returns the callback name.
+ */
+ public String getCallbackReferenceName() {
+ return callbackRefName;
+ }
+
+ public void setCallbackReferenceName(String callbackRefName) {
+ this.callbackRefName = callbackRefName;
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/WireDefinition.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/WireDefinition.java
new file mode 100644
index 0000000000..7ae91811b6
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/model/WireDefinition.java
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.model;
+
+import java.net.URI;
+
+/**
+ * Represents a wire specified in an assembly
+ *
+ * @version $Rev$ $Date$
+ */
+public class WireDefinition extends ModelObject {
+ private URI source;
+ private URI target;
+
+ public URI getSource() {
+ return source;
+ }
+
+ public void setSource(URI source) {
+ this.source = source;
+ }
+
+ public URI getTarget() {
+ return target;
+ }
+
+ public void setTarget(URI target) {
+ this.target = target;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/policy/PolicyBuilderRegistry.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/policy/PolicyBuilderRegistry.java
new file mode 100644
index 0000000000..2c85f846ac
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/policy/PolicyBuilderRegistry.java
@@ -0,0 +1,70 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.policy;
+
+import org.apache.tuscany.spi.builder.BuilderException;
+import org.apache.tuscany.spi.model.ReferenceDefinition;
+import org.apache.tuscany.spi.model.ServiceDefinition;
+import org.apache.tuscany.spi.wire.InboundWire;
+import org.apache.tuscany.spi.wire.OutboundWire;
+
+/**
+ * A registry for policy builders that dispatches to the appropriate builder when converting an assembly to runtime
+ * artifacts. Policy builders operate on either a source- or target-side wires.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface PolicyBuilderRegistry {
+
+ int INITIAL = 0;
+ int EXTENSION = 1;
+ int FINAL = 2;
+
+ /**
+ * Registers a target-side policy builder. Called by extensions to register their builders.
+ *
+ * @param phase the phase hwne the builder must be run
+ * @param builder the builder to register
+ */
+ void registerTargetBuilder(int phase, TargetPolicyBuilder builder);
+
+ /**
+ * Registers a source-side policy builder. Called by extensions to register their builders.
+ *
+ * @param phase the phase hwne the builder must be run
+ * @param builder the builder to register
+ */
+ void registerSourceBuilder(int phase, SourcePolicyBuilder builder);
+
+ /**
+ * Evaluates source-side policy metadata for referenceDefinition and updates the curresponding collection of wire
+ * configurations
+ *
+ * @throws BuilderException
+ */
+ void buildSource(ReferenceDefinition referenceDefinition, OutboundWire wire) throws BuilderException;
+
+ /**
+ * Evaluates target-side policy metadata for configured reference and updates the curresponding collection of wire
+ * configurations
+ *
+ * @throws BuilderException
+ */
+ void buildTarget(ServiceDefinition serviceDefinition, InboundWire wire) throws BuilderException;
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/policy/SourcePolicyBuilder.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/policy/SourcePolicyBuilder.java
new file mode 100644
index 0000000000..66a7dd0e20
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/policy/SourcePolicyBuilder.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.policy;
+
+import org.apache.tuscany.spi.builder.BuilderException;
+import org.apache.tuscany.spi.model.ReferenceDefinition;
+import org.apache.tuscany.spi.wire.OutboundWire;
+
+/**
+ * Implementations contribute {@link org.apache.tuscany.spi.wire.Interceptor}s or {@link
+ * org.apache.tuscany.spi.wire.MessageHandler}s that handle source-side policy on a wire.
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public interface SourcePolicyBuilder {
+
+ /**
+ * @param referenceDefinition
+ * @param wire
+ * @throws BuilderException
+ */
+ void build(ReferenceDefinition referenceDefinition, OutboundWire wire) throws BuilderException;
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/policy/TargetPolicyBuilder.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/policy/TargetPolicyBuilder.java
new file mode 100644
index 0000000000..79f40e6558
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/policy/TargetPolicyBuilder.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.policy;
+
+import org.apache.tuscany.spi.builder.BuilderException;
+import org.apache.tuscany.spi.model.ServiceDefinition;
+import org.apache.tuscany.spi.wire.InboundWire;
+
+/**
+ * Implementations contribute {@link org.apache.tuscany.spi.wire.Interceptor}s or {@link
+ * org.apache.tuscany.spi.wire.MessageHandler}s that handle target-side policy on a wire.
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public interface TargetPolicyBuilder {
+
+ /**
+ * @param serviceDefinition
+ * @param wire
+ * @throws BuilderException
+ */
+ void build(ServiceDefinition serviceDefinition, InboundWire wire) throws BuilderException;
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/VoidService.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/VoidService.java
new file mode 100644
index 0000000000..777cfbd3e9
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/VoidService.java
@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.services;
+
+import org.osoa.sca.annotations.Service;
+
+/**
+ * Empty interface for a service component that has no operations.
+ * This can be used as a default service interface by components that
+ * do not wish the base class to be used as the interface as specified
+ * by the defaulting rules.
+ *
+ * @version $Rev$ $Date$
+ */
+@Service
+public interface VoidService {
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/artifact/Artifact.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/artifact/Artifact.java
new file mode 100644
index 0000000000..4da522d196
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/artifact/Artifact.java
@@ -0,0 +1,197 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.services.artifact;
+
+import java.net.URL;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Description of some packaged artifact such as a JAR file or a Composite.
+ *
+ * @version $Rev$ $Date$
+ */
+public class Artifact {
+
+ /* Artifact group */
+ private String group;
+
+ /* Artifact name */
+ private String name;
+
+ /* Artifact version */
+ private String version;
+
+ /* Artifact classifier */
+ private String classifier;
+
+ /* Artifact type */
+ private String type;
+
+ /* Artifact url */
+ private URL url;
+
+ /* Transitive dependencies */
+ private Set<Artifact> dependencies = new HashSet<Artifact>();
+
+ /**
+ * Adds a transitive dependency to the artifact.
+ *
+ * @param artifact Dependency to be added.
+ */
+ public void addDependency(Artifact artifact) {
+ dependencies.add(artifact);
+ }
+
+ /**
+ * Gets the URLs for all the transitive dependencies.
+ *
+ * @return Sets of URLs for all the transitive dependencies.
+ */
+ public Set<URL> getUrls() {
+
+ Set<URL> urls = new HashSet<URL>();
+
+ for (Artifact artifact : dependencies) {
+ urls.add(artifact.getUrl());
+ }
+ urls.add(getUrl());
+
+ return urls;
+
+ }
+
+ /**
+ * Returns the name of a logical grouping to which this artifact belongs. For example, this might represent the
+ * original publisher of the artifact.
+ *
+ * @return the name of a logical grouping to which this artifact belongs
+ */
+ public String getGroup() {
+ return group;
+ }
+
+ /**
+ * Sets the name of a logical grouping to which this artifact belongs.
+ *
+ * @param group the name of a logical grouping to which this artifact belongs
+ */
+ public void setGroup(String group) {
+ this.group = group;
+ }
+
+ /**
+ * Returns the name of an artifact.
+ *
+ * @return the name of an artifact
+ */
+ public String getName() {
+ return name;
+ }
+
+ /**
+ * Sets the name of an artifact.
+ *
+ * @param name the name of an artifact
+ */
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ /**
+ * Returns the version of an artifact.
+ *
+ * @return the version of an artifact
+ */
+ public String getVersion() {
+ return version;
+ }
+
+ /**
+ * Sets the version of an artifact.
+ *
+ * @param version the version of an artifact
+ */
+ public void setVersion(String version) {
+ this.version = version;
+ }
+
+ /**
+ * Returns a way of classifying an artifact. This can be used to distinguish variants of an artifact that provide
+ * the same function but which may have platform specific requirements. For example, it may contain the name of a
+ * hardware platform for artifacts that contain native code.
+ *
+ * @return a way of classifying an artifact
+ */
+ public String getClassifier() {
+ return classifier;
+ }
+
+ /**
+ * Sets a way of classifying an artifact
+ *
+ * @param classifier a way of classifying an artifact
+ */
+ public void setClassifier(String classifier) {
+ this.classifier = classifier;
+ }
+
+ /**
+ * Returns the type of artifact.
+ *
+ * @return the type of artifact
+ */
+ public String getType() {
+ return type;
+ }
+
+ /**
+ * Sets the type of artifact.
+ *
+ * @param type the type of artifact
+ */
+ public void setType(String type) {
+ this.type = type;
+ }
+
+ /**
+ * Returns a URL from which the artifact can be obtained.
+ *
+ * @return a URL from which the artifact can be obtained
+ */
+ public URL getUrl() {
+ return url;
+ }
+
+ /**
+ * Sets a URL from which the artifact can be obtained.
+ *
+ * @param url a URL from which the artifact can be obtained
+ */
+ public void setUrl(URL url) {
+ this.url = url;
+ }
+
+
+ public String toString() {
+ StringBuilder buf = new StringBuilder();
+ buf.append(group).append(':').append(name).append(':').append(version).append(':').append(type);
+ return buf.toString();
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/artifact/ArtifactRepository.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/artifact/ArtifactRepository.java
new file mode 100644
index 0000000000..b0f590e163
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/artifact/ArtifactRepository.java
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.services.artifact;
+
+import java.util.Collection;
+
+/**
+ * Abstraction for a repository of SCA and other artifacts.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ArtifactRepository {
+ /**
+ * Resolve an artifact.
+ * This ensures that the information associated with an artifact is fully populated;
+ * Specifically, after this operation the URL should contain a location where the artifact can be obtained.
+ *
+ * @param artifact the artifact to be resolved
+ */
+ void resolve(Artifact artifact);
+
+ /**
+ * Resolve a collection of Artifacts.
+ *
+ * @param artifacts a collection of artifacts to be resolved
+ * @see #resolve(Artifact)
+ */
+ void resolve(Collection<? extends Artifact> artifacts);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/work/NotificationListener.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/work/NotificationListener.java
new file mode 100644
index 0000000000..9675cdce53
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/work/NotificationListener.java
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.services.work;
+
+/**
+ * A callback inyterface that can be optionally used for registering
+ * interest in status of asynchronously scheduled unit of work.
+ *
+ */
+public interface NotificationListener<T extends Runnable> {
+
+ /**
+ * Callback method when the unit of work is accepted.
+ *
+ * @param work Work that was accepted.
+ */
+ void workAccepted(T work);
+
+ /**
+ * Callback method when the unit of work is successfully completed.
+ *
+ * @param work Work that was succesfully completed.
+ */
+ void workCompleted(T work);
+
+ /**
+ * Callback when the unit of work is started.
+ *
+ * @param work Unit of work that was started.
+ */
+ void workStarted(T work);
+
+ /**
+ * Callback when the unit of work is rejected.
+ *
+ * @param work Unit of work that was rejected.
+ */
+ void workRejected(T work);
+
+ /**
+ * Callnack when the unit of work fails to complete.
+ *
+ * @param work Unit of work that failed to complete.
+ * @param error Error that caused the unit of work to fail.
+ */
+ void workFailed(T work, Throwable error);
+
+
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/work/WorkScheduler.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/work/WorkScheduler.java
new file mode 100644
index 0000000000..0824990c93
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/work/WorkScheduler.java
@@ -0,0 +1,52 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.services.work;
+
+/**
+ * Defines the contract for scheduling asychronous units of work.
+ *
+ * <p>
+ * Units of work can be scheduled with an optional <code>NotificationListener</code>.
+ * If a notification listener is specified, the caller will be notified regarding the
+ * status of the work. The unit of work can either be completed, rejected or completed
+ * with an error. If the work completed with an error, the caller is notfied with the
+ * error details.
+ * </p>
+ *
+ */
+public interface WorkScheduler {
+
+ /**
+ * Schedules a unit of work for future execution. The notification listener
+ * is used to register interest in callbacks regarding the status of the work.
+ *
+ * @param work The unit of work that needs to be asynchronously executed.
+ * @param listener Notification listener for callbacks.
+ */
+ <T extends Runnable>void scheduleWork(T work, NotificationListener<T> listener);
+
+ /**
+ * Schedules a unit of work for future execution. The notification listener
+ * is used to register interest in callbacks regarding the status of the work.
+ *
+ * @param work The unit of work that needs to be asynchronously executed.
+ */
+ <T extends Runnable>void scheduleWork(T work);
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/work/WorkSchedulerException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/work/WorkSchedulerException.java
new file mode 100644
index 0000000000..72dc8ee5d2
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/services/work/WorkSchedulerException.java
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.services.work;
+
+/**
+ * Exception thrown by the work scheduler in case of unexpected exceptions.
+ *
+ */
+public class WorkSchedulerException extends RuntimeException {
+
+ /**
+ * Wraps the root cause.
+ *
+ * @param cause Root cause for the exception.
+ */
+ public WorkSchedulerException(Throwable cause) {
+ super(cause);
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/AbstractInboundInvocationHandler.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/AbstractInboundInvocationHandler.java
new file mode 100644
index 0000000000..6177810b0f
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/AbstractInboundInvocationHandler.java
@@ -0,0 +1,72 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+import java.lang.reflect.InvocationTargetException;
+
+
+/**
+ * Base class for dispatching an invocation through an {@link InboundInvocationChain}
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class AbstractInboundInvocationHandler {
+
+ /**
+ * Dispatches a client request made on a proxy
+ */
+ public Object invoke(InboundInvocationChain chain, TargetInvoker invoker, Object[] args) throws Throwable {
+ Interceptor headInterceptor = chain.getHeadInterceptor();
+ if (headInterceptor == null) {
+ try {
+ // short-circuit the dispatch and invoke the target directly
+ if (chain.getTargetInvoker() == null) {
+ throw new AssertionError("No target invoker [" + chain.getOperation().getName() + "]");
+ }
+ return chain.getTargetInvoker().invokeTarget(args);
+ } catch (InvocationTargetException e) {
+ // the cause was thrown by the target so throw it
+ throw e.getCause();
+ }
+ } else {
+ Message msg = new MessageImpl();
+ msg.setTargetInvoker(invoker);
+ Object messageId = getMessageId();
+ if (messageId == null) {
+ messageId = new MessageId();
+ }
+ msg.setMessageId(messageId);
+ Object corrId = getCorrelationId();
+ msg.setCorrelationId(corrId);
+ msg.setBody(args);
+ Message resp;
+ // dispatch the wire down the chain and get the response
+ resp = headInterceptor.invoke(msg);
+ Object body = resp.getBody();
+ if (resp.isFault()) {
+ throw (Throwable) body;
+ }
+ return body;
+ }
+ }
+
+ protected abstract Object getMessageId();
+
+ protected abstract Object getCorrelationId();
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/AbstractOutboundInvocationHandler.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/AbstractOutboundInvocationHandler.java
new file mode 100644
index 0000000000..2e66534f30
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/AbstractOutboundInvocationHandler.java
@@ -0,0 +1,74 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+import java.lang.reflect.InvocationTargetException;
+
+
+/**
+ * Base class for performing invocations on an outbound chain. Subclasses are responsible for retrieving and supplying
+ * the appropriate chain, target invoker and invocation arguments.
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class AbstractOutboundInvocationHandler {
+
+ protected Object invoke(OutboundInvocationChain chain, TargetInvoker invoker, Object[] args) throws Throwable {
+ Interceptor headInterceptor = chain.getHeadInterceptor();
+ if (headInterceptor == null) {
+ try {
+ // short-circuit the dispatch and invoke the target directly
+ TargetInvoker targetInvoker = chain.getTargetInvoker();
+ if (targetInvoker == null) {
+ String name = chain.getOperation().getName();
+ throw new AssertionError("No target invoker [" + name + "]");
+ }
+ return targetInvoker.invokeTarget(args);
+ } catch (InvocationTargetException e) {
+ // the cause was thrown by the target so throw it
+ throw e.getCause();
+ }
+ } else {
+ Message msg = new MessageImpl();
+ msg.setTargetInvoker(invoker);
+ msg.setFromAddress(getFromAddress());
+ Object messageId = getMessageId();
+ if (messageId == null) {
+ messageId = new MessageId();
+ }
+ msg.setMessageId(messageId);
+ Object corrId = getCorrelationId();
+ msg.setCorrelationId(corrId);
+ msg.setBody(args);
+ // dispatch the wire down the chain and get the response
+ Message resp = headInterceptor.invoke(msg);
+ Object body = resp.getBody();
+ if (resp.isFault()) {
+ throw (Throwable) body;
+ }
+ return body;
+ }
+ }
+
+ protected abstract Object getFromAddress();
+
+ protected abstract Object getMessageId();
+
+ protected abstract Object getCorrelationId();
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/InboundInvocationChain.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/InboundInvocationChain.java
new file mode 100644
index 0000000000..22522286a7
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/InboundInvocationChain.java
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+/**
+ * A set of interceptors and handlers (contained in request and response message channels) associated with the inbound
+ * side of a wire for an operation. Inbound chains may start with request {@link MessageHandler}s and contain at least
+ * one {@link Interceptor} processed after the handlers prior to dipatching to the target instance. Inbound invocation
+ * chains may also contain a set of response <code>MessageHandler</code>s which are processed after dispatching to the
+ * target instance.
+ * <p/>
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public interface InboundInvocationChain extends InvocationChain {
+
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/InboundWire.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/InboundWire.java
new file mode 100644
index 0000000000..ca9ab65f20
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/InboundWire.java
@@ -0,0 +1,106 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+import java.util.Map;
+
+import org.apache.tuscany.spi.model.Operation;
+
+/**
+ * Implementations are responsible for managing the inbound side of a wire, including the invocation chains associated
+ * with each service operation.
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public interface InboundWire extends RuntimeWire {
+
+ /**
+ * Returns the name of the target service of the wire
+ */
+ String getServiceName();
+
+ /**
+ * Sets the name of the target service of the wire
+ */
+ void setServiceName(String name);
+
+ /**
+ * Returns the invocation chain for each operation on a service specified by a reference or a target
+ * service.
+ */
+ Map<Operation<?>, InboundInvocationChain> getInvocationChains();
+
+ /**
+ * Adds the collection of invocation chains keyed by operation
+ */
+ void addInvocationChains(Map<Operation<?>, InboundInvocationChain> chains);
+
+ /**
+ * Adds the invocation chain associated with the given operation
+ */
+ void addInvocationChain(Operation<?> operation, InboundInvocationChain chain);
+
+ /**
+ * Returns the callback invocation configuration for each operation on a service specified by a reference or a
+ * target service.
+ */
+ Map<Operation<?>, OutboundInvocationChain> getSourceCallbackInvocationChains(Object targetAddr);
+
+ /**
+ * Adds the collection of callback invocation chains keyed by operation for a given target addr
+ */
+ void addSourceCallbackInvocationChains(Object targetAddr, Map<Operation<?>, OutboundInvocationChain> chains);
+
+ /**
+ * Adds the callback invocation chain associated with the given operation for a given target addr
+ */
+ void addSourceCallbackInvocationChain(Object targetAddr, Operation<?> operation, OutboundInvocationChain chain);
+
+ /**
+ * Returns the name of the callback associated with the service of the wire
+ */
+ String getCallbackReferenceName();
+
+ /**
+ * Sets the name of the callback associated with the service of the wire
+ */
+ void setCallbackReferenceName(String callbackReferenceName);
+
+ /**
+ * Set when a wire can be optimized; that is when no handlers or interceptors exist on either end
+ */
+ void setTargetWire(OutboundWire wire);
+
+ /**
+ * Creates an association between a message id and the address of the SCAObject that the corresponding message
+ * originates from
+ */
+ void addMapping(Object messageId, Object fromAddress);
+
+ /**
+ * Retrieves the SCAObject address that is associated with a message id
+ */
+ Object retrieveMapping(Object messageId);
+
+ /**
+ * Removes an association between a message id and the address of the SCAObject that the corresponding message
+ * originates from
+ */
+ void removeMapping(Object messageId);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/IncompatibleServiceContractException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/IncompatibleServiceContractException.java
new file mode 100644
index 0000000000..383114f076
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/IncompatibleServiceContractException.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.spi.wire;
+
+/**
+ * Denotes imcompatible service contracts for a wire
+ */
+public class IncompatibleServiceContractException extends WireException {
+
+ private static final long serialVersionUID = 5127478601823295587L;
+
+ public IncompatibleServiceContractException() {
+ }
+
+ /**
+ * @param message
+ */
+ public IncompatibleServiceContractException(String message) {
+ super(message);
+ }
+
+ /**
+ * @param message
+ * @param cause
+ */
+ public IncompatibleServiceContractException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ /**
+ * @param cause
+ */
+ public IncompatibleServiceContractException(Throwable cause) {
+ super(cause);
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/Interceptor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/Interceptor.java
new file mode 100644
index 0000000000..ad38ed1cf1
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/Interceptor.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+/**
+ * Synchronous, around-style mediation associated with a client- or target- side wire.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface Interceptor {
+
+ /**
+ * Process a synchronous wire
+ *
+ * @param msg the request Message for the wire
+ * @return the response Message from the wire
+ */
+ Message invoke(Message msg);
+
+ /**
+ * Sets the next interceptor
+ */
+ void setNext(Interceptor next);
+
+ /**
+ * Returns the next interceptor or null
+ */
+ Interceptor getNext();
+
+ /**
+ * Returns true if the interceptor can be optimized away from a wire
+ */
+ boolean isOptimizable();
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/InvocationChain.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/InvocationChain.java
new file mode 100644
index 0000000000..82e1a52adf
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/InvocationChain.java
@@ -0,0 +1,95 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+import org.apache.tuscany.spi.model.Operation;
+
+/**
+ * An inbound or outbound invocation pipeline for a service operation. Wires consist of 1..n invocation chains
+ * associated with the operations of the service contract the wire represents. Invocation chains are associated with the
+ * outbound or inbound side of a wire are bridged or "connected" when an assembly is processed. Outbound chains are only
+ * connected to inbound chains and vice versa.
+ * <p/>
+ * Invocation chains contain at least one {@link Interceptor} that process invocations in an around-style manner. In
+ * some scenarios, a service proxy may only contain inbound invocation chains, for example, when a service is resolved
+ * through a locate operation by a non-component client. In this case, there will be no outbound invocation chains and
+ * the target invoker will be held by the target-side and passed down the pipeline.
+ * <p/>
+ * A {@link Message} is used to pass data associated with an invocation through the chain. <code>Message</code>s contain
+ * a {@link TargetInvoker} responsible for dispatching to a target instance and may be cached on the source-side.
+ * Caching allows various optimizations such as avoiding target instance resolution when the client-side lifecycle scope
+ * is a shorter duration than the target.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface InvocationChain {
+ /**
+ * Returns the target operation for this invocation chain
+ */
+ Operation getOperation();
+
+ /**
+ * Sets the target invoker to pass down the chain
+ */
+ void setTargetInvoker(TargetInvoker invoker);
+
+ /**
+ * Returns the target invoker that is passed down the chain
+ */
+ TargetInvoker getTargetInvoker();
+
+ /**
+ * Adds an interceptor to the chain
+ */
+ void addInterceptor(Interceptor interceptor);
+
+ /**
+ * Adds an interceptor at the given position in the interceptor stack
+ *
+ * @param index the position in the interceptor stack to add the interceptor
+ * @param interceptor the interceptor to add
+ */
+ void addInterceptor(int index, Interceptor interceptor);
+
+ /**
+ * Returns the first interceptor in the chain
+ */
+ Interceptor getHeadInterceptor();
+
+ /**
+ * Returns the last interceptor in the chain
+ */
+ Interceptor getTailInterceptor();
+
+ /**
+ * Sets the head interceptor of the bridged target-side chain
+ */
+ void setTargetInterceptor(Interceptor interceptor);
+
+ /**
+ * Returns the head interceptor of the birdged target-side chain
+ */
+ Interceptor getTargetInterceptor();
+
+ /**
+ * Signals to the chain that its configuration is complete. Implementations may use this callback to prepare their
+ * invocation chains.
+ */
+ void prepare();
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/InvocationRuntimeException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/InvocationRuntimeException.java
new file mode 100644
index 0000000000..c2ba19c48a
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/InvocationRuntimeException.java
@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * Denotes a runtime exception thrown during an invocation over a wire
+ *
+ * @version $Rev$ $Date$
+ */
+public class InvocationRuntimeException extends ServiceRuntimeException {
+
+ public InvocationRuntimeException() {
+ super();
+ }
+
+ public InvocationRuntimeException(String message) {
+ super(message);
+ }
+
+ public InvocationRuntimeException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public InvocationRuntimeException(Throwable cause) {
+ super(cause);
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/Message.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/Message.java
new file mode 100644
index 0000000000..dd89445a78
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/Message.java
@@ -0,0 +1,88 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+/**
+ * Represents a request, response, or exception flowing through a wire
+ *
+ * @version $Rev $Date
+ */
+public interface Message {
+
+ /**
+ * Returns the body of the message, which will be the payload or parameters associated with the wire
+ */
+ Object getBody();
+
+ /**
+ * Sets the body of the message.
+ */
+ void setBody(Object body);
+ /**
+ * Sets the target invoker to dispatch to when the message passes through the request side of the invocation chain
+ */
+ void setTargetInvoker(TargetInvoker invoker);
+
+ /**
+ * Sets the target invoker to dispatch to when the message passes through the request side of the invocation chain
+ */
+ TargetInvoker getTargetInvoker();
+
+ /**
+ * Returns the 'address' of the SCAObject where this message originates
+ */
+ Object getFromAddress();
+
+ /**
+ * Sets the 'address' of the SCAObject where this message originates
+ */
+ void setFromAddress(Object fromAddress);
+
+ /**
+ * Returns the id of the message
+ */
+ Object getMessageId();
+
+ /**
+ * Sets the id of the message
+ */
+ void setMessageId(Object messageId);
+
+ /**
+ * Returns the correlation id of the message
+ */
+ Object getCorrelationId();
+
+ /**
+ * Sets the correlation id of the message
+ */
+ void setCorrelationId(Object correlationId);
+
+ /**
+ * Test if the message represents a fault/exception
+ * @return true if the message body is a fault object, false is the body is a normal payload
+ */
+ boolean isFault();
+
+ /**
+ * Set the message body with a fault object. After this method is called, isFault() returns true.
+ * @param fault The fault object represents an exception
+ */
+ void setBodyWithFault(Object fault);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/MessageId.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/MessageId.java
new file mode 100644
index 0000000000..b1011e4f29
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/MessageId.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+/**
+ * A unique identifier for a message flowing on a wire, potentially end-to-end (ie, through more than one SCAObject to
+ * SCAObject hop).
+ */
+public class MessageId {
+
+ private long timestamp;
+
+ public MessageId() {
+ this.timestamp = System.currentTimeMillis();
+ }
+
+ public long getTimestamp() {
+ return timestamp;
+ }
+
+ public String toString() {
+ return "MsgId[" + timestamp + "]";
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/MessageImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/MessageImpl.java
new file mode 100644
index 0000000000..3e44db4690
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/MessageImpl.java
@@ -0,0 +1,87 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+/**
+ * The default implementation of a message flowed through a wire during an invocation
+ *
+ * @version $Rev $Date
+ */
+public class MessageImpl implements Message {
+
+ private Object body;
+ private TargetInvoker invoker;
+ private Object fromAddress;
+ private Object messageId;
+ private Object correlationId;
+ private boolean isFault;
+
+ public MessageImpl() {
+ }
+
+ public Object getBody() {
+ return body;
+ }
+
+ public void setBody(Object body) {
+ this.isFault = false;
+ this.body = body;
+ }
+
+ public void setTargetInvoker(TargetInvoker invoker) {
+ this.invoker = invoker;
+ }
+
+ public TargetInvoker getTargetInvoker() {
+ return invoker;
+ }
+
+ public Object getFromAddress() {
+ return fromAddress;
+ }
+
+ public void setFromAddress(Object fromAddress) {
+ this.fromAddress = fromAddress;
+ }
+
+ public Object getMessageId() {
+ return messageId;
+ }
+
+ public void setMessageId(Object messageId) {
+ this.messageId = messageId;
+ }
+
+ public Object getCorrelationId() {
+ return correlationId;
+ }
+
+ public void setCorrelationId(Object correlationId) {
+ this.correlationId = correlationId;
+ }
+
+ public boolean isFault() {
+ return isFault;
+ }
+
+ public void setBodyWithFault(Object fault) {
+ this.isFault = true;
+ this.body = fault;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/OutboundInvocationChain.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/OutboundInvocationChain.java
new file mode 100644
index 0000000000..b15678a4a8
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/OutboundInvocationChain.java
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+/**
+ * Responsible for flowing a request to a target service and invoking an operation.
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public interface OutboundInvocationChain extends InvocationChain {
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/OutboundWire.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/OutboundWire.java
new file mode 100644
index 0000000000..0d58d6a3e2
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/OutboundWire.java
@@ -0,0 +1,102 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+import java.util.Map;
+
+import org.apache.tuscany.spi.QualifiedName;
+import org.apache.tuscany.spi.model.Operation;
+
+/**
+ * Implementations are responsible for managing the reference side of a wire, including the invocation chains associated
+ * with each service operation. An <code>OutboundWire</code> is connected to an {@link InboundWire} through their
+ * invocation chains.
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public interface OutboundWire extends RuntimeWire {
+
+ /**
+ * Returns the name of the source reference
+ */
+ String getReferenceName();
+
+ /**
+ * Sets the name of the source reference
+ */
+ void setReferenceName(String name);
+
+ /**
+ * Returns the name of the target
+ */
+ QualifiedName getTargetName();
+
+ /**
+ * Sets the name of the target
+ */
+ void setTargetName(QualifiedName name);
+
+ /**
+ * Sets the callback interface type generated proxies implement
+ */
+ void setCallbackInterface(Class<?> interfaze);
+
+ /**
+ * Returns the callback interface type implemented by generated proxies
+ */
+ Class<?> getCallbackInterface();
+
+ /**
+ * Returns the invocation configuration for each operation on a service specified by a reference or a target
+ * service.
+ */
+ Map<Operation<?>, OutboundInvocationChain> getInvocationChains();
+
+ /**
+ * Adds the collection of invocation chains keyed by operation
+ */
+ void addInvocationChains(Map<Operation<?>, OutboundInvocationChain> chains);
+
+ /**
+ * Adds the invocation chain associated with the given operation
+ */
+ void addInvocationChain(Operation<?> operation, OutboundInvocationChain chain);
+
+ /**
+ * Returns the callback invocation configuration for each operation on a service specified by a reference or a
+ * target service.
+ */
+ Map<Operation<?>, InboundInvocationChain> getTargetCallbackInvocationChains();
+
+ /**
+ * Adds the collection of callback invocation chains keyed by operation
+ */
+ void addTargetCallbackInvocationChains(Map<Operation<?>, InboundInvocationChain> chains);
+
+ /**
+ * Adds the callback invocation chain associated with the given operation
+ */
+ void addTargetCallbackInvocationChain(Operation<?> operation, InboundInvocationChain chain);
+
+ /**
+ * Set when a wire can be optimized; that is when no handlers or interceptors exist on either end
+ */
+ void setTargetWire(InboundWire wire);
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/ProxyCreationException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/ProxyCreationException.java
new file mode 100644
index 0000000000..0f213c9871
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/ProxyCreationException.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+import org.apache.tuscany.api.TuscanyRuntimeException;
+
+/**
+ * Denotes an error creating a proxy
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public class ProxyCreationException extends TuscanyRuntimeException {
+ public ProxyCreationException() {
+ }
+
+ public ProxyCreationException(String message) {
+ super(message);
+ }
+
+ public ProxyCreationException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public ProxyCreationException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/RuntimeWire.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/RuntimeWire.java
new file mode 100644
index 0000000000..0c39b50d6a
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/RuntimeWire.java
@@ -0,0 +1,70 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+import org.apache.tuscany.spi.component.TargetException;
+import org.apache.tuscany.spi.model.ServiceContract;
+import org.apache.tuscany.spi.component.SCAObject;
+
+/**
+ * The base wire type used to connect references and services
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public interface RuntimeWire {
+
+ /**
+ * Returns the non-proxied target instance for this wire
+ */
+ Object getTargetService() throws TargetException;
+
+ /**
+ * Returns the service contract associated with the wire
+ *
+ * @return the service contract associated with the wire
+ */
+ ServiceContract getServiceContract();
+
+ /**
+ * Sets the contract associated with the wire
+ *
+ * @param contract the contract associated with the wire
+ */
+ void setServiceContract(ServiceContract contract);
+
+ /**
+ * Adds an interface type generated proxies implement
+ */
+ void addInterface(Class<?> claz);
+
+ /**
+ * Returns true if the wire and all of its interceptors and handlers can be optimized
+ */
+ boolean isOptimizable();
+
+ /**
+ * Returns the SCAObject that contains this wire
+ */
+ SCAObject getContainer();
+
+ /**
+ * Sets the name of the SCAObject that contains this wire
+ */
+ void setContainer(SCAObject container);
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/TargetInvoker.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/TargetInvoker.java
new file mode 100644
index 0000000000..5edcd29286
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/TargetInvoker.java
@@ -0,0 +1,67 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+import java.lang.reflect.InvocationTargetException;
+
+/**
+ * Implementations are responsible for resolving a target and performing the actual invocation on it, for example, a
+ * component implementation instance or a service client.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface TargetInvoker extends Cloneable {
+
+ /**
+ * Invokes an operation on a target with the given payload. Used in optmized cases where messages do not need to be
+ * flowed such as in non-proxied wires.
+ *
+ * @throws InvocationTargetException
+ */
+ Object invokeTarget(final Object payload) throws InvocationTargetException;
+
+ /**
+ * Invokes an operation on a target with the given message
+ *
+ * @throws InvocationRuntimeException
+ */
+ Message invoke(Message msg) throws InvocationRuntimeException;
+
+ /**
+ * Determines whether the proxy can be cached on the client/source side
+ */
+ boolean isCacheable();
+
+ /**
+ * Sets whether the target service instance may be cached by the invoker. This is a possible optimization when a
+ * wire is configured for a "down-scope" reference, i.e. a reference from a source of a shorter lifetime to a source
+ * of greater lifetime.
+ */
+ void setCacheable(boolean cacheable);
+
+ /**
+ * Determines if the target invoker can be discarded during wire optimization
+ */
+ boolean isOptimizable();
+
+ /**
+ * Implementations must support deep cloning
+ */
+ Object clone() throws CloneNotSupportedException;
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/WireException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/WireException.java
new file mode 100644
index 0000000000..2574bede2c
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/WireException.java
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+import org.apache.tuscany.api.TuscanyException;
+
+/**
+ * Denotes a top-level exception dealing with a wire
+ */
+public abstract class WireException extends TuscanyException {
+
+ public WireException() {
+ super();
+ }
+
+ public WireException(String message) {
+ super(message);
+ }
+
+ public WireException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public WireException(Throwable cause) {
+ super(cause);
+ }
+
+}
+
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/WireInvocationHandler.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/WireInvocationHandler.java
new file mode 100644
index 0000000000..325f26ba91
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/WireInvocationHandler.java
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+import java.lang.reflect.Method;
+
+/**
+ * Implementations are responsible for dispatching an operation down an invocation chain
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public interface WireInvocationHandler {
+
+ Object invoke(Method method, Object[] args) throws Throwable;
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/WireService.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/WireService.java
new file mode 100644
index 0000000000..6e97916b95
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/WireService.java
@@ -0,0 +1,156 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+import org.apache.tuscany.spi.component.Component;
+import org.apache.tuscany.spi.component.Reference;
+import org.apache.tuscany.spi.component.Service;
+import org.apache.tuscany.spi.model.ComponentDefinition;
+import org.apache.tuscany.spi.model.Operation;
+import org.apache.tuscany.spi.model.ReferenceDefinition;
+import org.apache.tuscany.spi.model.ReferenceTarget;
+import org.apache.tuscany.spi.model.ServiceContract;
+import org.apache.tuscany.spi.model.ServiceDefinition;
+
+/**
+ * Creates proxies that implement Java interfaces and invocation handlers for fronting wires
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+
+public interface WireService {
+
+ /**
+ * Creates a Java proxy for the given wire
+ *
+ * @param wire the wire to proxy
+ * @return the proxy
+ * @throws ProxyCreationException
+ */
+ Object createProxy(RuntimeWire wire) throws ProxyCreationException;
+
+ /**
+ * Creates a Java proxy for the service contract callback
+ *
+ * @param contract the service contract
+ * @return the proxy
+ * @throws ProxyCreationException
+ */
+ Object createCallbackProxy(ServiceContract<?> contract, InboundWire wire) throws ProxyCreationException;
+
+
+ /**
+ * Creates an {@link WireInvocationHandler} for the given wire
+ *
+ * @param wire the wire to create the invocation handler for
+ * @return the invocation handler
+ */
+ WireInvocationHandler createHandler(RuntimeWire wire);
+
+ /**
+ * Creates a wire invocation handler for flowing invocations through a callback
+ *
+ * @return the invocation handler for flowing invocations through a callback
+ */
+ WireInvocationHandler createCallbackHandler(InboundWire wire);
+
+ /**
+ * Creates an outbound invocation chain for a given operation
+ *
+ * @param operation the operation to create the chain for
+ * @return the outbound invocation chain for a given operation
+ */
+ OutboundInvocationChain createOutboundChain(Operation<?> operation);
+
+ /**
+ * Creates an inbound invocation chain for a given operation
+ *
+ * @param operation the operation to create the chain for
+ * @return the inbound invocation chain for a given operation
+ */
+ InboundInvocationChain createInboundChain(Operation<?> operation);
+
+ /**
+ * Creates a wire for flowing inbound invocations to a service
+ *
+ * @param service the model representation of the service
+ * @return the wire for flowing inbound invocations to a service
+ */
+ InboundWire createWire(ServiceDefinition service);
+
+ /**
+ * Creates a wire for flowing outbound invocations to a reference
+ *
+ * @param reference the model artifact representing the reference on the source side
+ * @param def the model artifact representing the target reference
+ * @return the wire for flowing outbound invocations to a reference
+ */
+ OutboundWire createWire(ReferenceTarget reference, ReferenceDefinition def);
+
+ /**
+ * Creates wires for a component and injects them on the component
+ *
+ * @param component the component
+ * @param definition the model artifact representing the component
+ */
+ void createWires(Component component, ComponentDefinition<?> definition);
+
+ /**
+ * Creates wires for a reference and injects them on the reference
+ *
+ * @param reference the reference
+ * @param contract the model artifact representing the service contract for the reference
+ */
+ void createWires(Reference reference, ServiceContract<?> contract);
+
+ /**
+ * Creates wires for a service and injects them on the service
+ *
+ * @param service the service
+ * @param targetName the target nane
+ * @param contract the service contract
+ */
+ void createWires(Service service, String targetName, ServiceContract<?> contract);
+
+ /**
+ * Check the compatiblity of the source and the target service contracts.<p> A wire may only connect a source to a
+ * target if the target implements an interface that is compatible with the interface required by the source. The
+ * source and the target are compatible if:
+ * <p/>
+ * <ol> <li>the source interface and the target interface MUST either both be remotable or they are both local
+ * <li>the methods on the target interface MUST be the same as or be a superset of the methods in the interface
+ * specified on the source <li>compatibility for the individual method is defined as compatibility of the signature,
+ * that is method name, input types, and output types MUST BE the same. <li>the order of the input and output types
+ * also MUST BE the same. <li>the set of Faults and Exceptions expected by the source MUST BE the same or be a
+ * superset of those specified by the service. <li>other specified attributes of the two interfaces MUST match,
+ * including Scope and Callback interface </ol>
+ * <p/>
+ * <p>Please note this test is not symetric: the success of checkCompatibility(A, B) does NOT imply that
+ * checkCompatibility(B, A)
+ *
+ * @param source The source service contract
+ * @param target The target service contract
+ * @param ignoreCallback Indicate the callback should be checked
+ * @throws IncompatibleServiceContractException
+ * If the source service contract is not compatible with the target one
+ */
+ void checkCompatibility(ServiceContract<?> source, ServiceContract<?> target, boolean ignoreCallback)
+ throws IncompatibleServiceContractException;
+
+}
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/WireServiceExtension.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/WireServiceExtension.java
new file mode 100644
index 0000000000..1baa4b3029
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/wire/WireServiceExtension.java
@@ -0,0 +1,109 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.wire;
+
+import org.apache.tuscany.spi.component.WorkContext;
+import org.apache.tuscany.spi.model.Operation;
+import org.apache.tuscany.spi.model.ServiceContract;
+import org.apache.tuscany.spi.policy.PolicyBuilderRegistry;
+
+/**
+ * Base class for wire service extensions
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class WireServiceExtension implements WireService {
+
+ protected PolicyBuilderRegistry policyRegistry;
+ protected WorkContext context;
+
+ protected WireServiceExtension(WorkContext context, PolicyBuilderRegistry policyRegistry) {
+ this.policyRegistry = policyRegistry;
+ this.context = context;
+ }
+
+ /**
+ * Compares two operations for wiring compatibility as defined by the SCA assembly specification, namely: <p/> <ol>
+ * <li>compatibility for the individual method is defined as compatibility of the signature, that is method name,
+ * input types, and output types MUST BE the same. <li>the order of the input and output types also MUST BE the
+ * same. <li>the set of Faults and Exceptions expected by the source MUST BE the same or be a superset of those
+ * specified by the service. </ol>
+ *
+ * @param source the source contract to compare
+ * @param target the target contract to compare
+ * @throws IncompatibleServiceContractException
+ * if the two contracts don't match
+ */
+ public void checkCompatibility(ServiceContract<?> source, ServiceContract<?> target, boolean ignoreCallback)
+ throws IncompatibleServiceContractException {
+ if (source == target) {
+ // Shortcut for performance
+ return;
+ }
+ if (source.isRemotable() != target.isRemotable()) {
+ IncompatibleServiceContractException ex =
+ new IncompatibleServiceContractException("The remotable settings don't match");
+ ex.setIdentifier(source.toString() + "," + target.toString());
+ throw ex;
+ }
+ if (source.getInteractionScope() != target.getInteractionScope()) {
+ IncompatibleServiceContractException ex =
+ new IncompatibleServiceContractException("The interaction scopes don't match");
+ ex.setIdentifier(source.toString() + "," + target.toString());
+ throw ex;
+ }
+
+ for (Operation<?> operation : source.getOperations().values()) {
+ Operation<?> targetOperation = target.getOperations().get(operation.getName());
+ if (targetOperation == null) {
+ IncompatibleServiceContractException ex =
+ new IncompatibleServiceContractException("Operation not found on target");
+ ex.setIdentifier(operation.getName());
+ throw ex;
+ }
+ if (!operation.equals(targetOperation)) {
+ IncompatibleServiceContractException ex =
+ new IncompatibleServiceContractException("Target operation is not compatible");
+ ex.setIdentifier(operation.getServiceContract().toString() + ":" + operation.getName());
+ throw ex;
+ }
+ }
+
+ if (ignoreCallback) {
+ return;
+ }
+
+ for (Operation<?> operation : source.getCallbackOperations().values()) {
+ Operation<?> targetOperation = target.getCallbackOperations().get(operation.getName());
+ if (targetOperation == null) {
+ IncompatibleServiceContractException ex =
+ new IncompatibleServiceContractException("Callback operation not found on target");
+ ex.setIdentifier(operation.getName());
+ throw ex;
+ }
+ if (!operation.equals(targetOperation)) {
+ IncompatibleServiceContractException ex =
+ new IncompatibleServiceContractException("Target callback operation is not compatible");
+ ex.setIdentifier(operation.getName());
+ throw ex;
+ }
+ }
+ }
+
+}