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-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/doc/Context Model.emx673
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/ComponentContextFactory.java37
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/ContextFactoryExtensionPoint.java50
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/DefaultContextFactoryExtensionPoint.java116
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/PropertyValueFactory.java40
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/RequestContextFactory.java34
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/DataExchangeSemantics.java34
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Interceptor.java40
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/InvocationChain.java112
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Invoker.java36
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Message.java116
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/MessageFactory.java36
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Phase.java69
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/management/ManagementService.java39
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/BindingProviderFactory.java60
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultDefinitionsProviderExtensionPoint.java93
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java505
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefinitionsProvider.java33
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefinitionsProviderException.java30
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefinitionsProviderExtensionPoint.java35
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProvider.java68
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProviderFactory.java42
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/OperationSelectorProvider.java39
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/OperationSelectorProviderFactory.java53
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyImplementor.java38
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProvider.java41
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProviderFactory.java62
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProviderRRB.java37
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactory.java36
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactoryExtensionPoint.java63
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProvider.java76
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProviderRRB.java35
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProvider.java63
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProviderRRB.java35
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/WireFormatProvider.java51
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/WireFormatProviderFactory.java53
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/DefaultWireProcessorExtensionPoint.java63
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/EndpointListener.java46
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/EndpointRegistry.java48
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/ReferenceParameters.java71
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponent.java83
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponentContext.java107
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponentReference.java108
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponentService.java138
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeWire.java112
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeWireProcessor.java35
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeWireProcessorExtensionPoint.java53
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/work/NotificationListener.java67
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/work/WorkScheduler.java58
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/work/WorkSchedulerException.java59
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.context.ContextFactoryExtensionPoint18
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.endpointresolver.EndpointResolverFactoryExtensionPoint18
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.DefinitionsProviderExtensionPoint19
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint18
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.runtime.RuntimeWireProcessorExtensionPoint18
-rw-r--r--tags/java/sca/2.0-M3-RC4/modules/core-spi/src/test/java/org/apache/tuscany/sca/context/DefaultContextFactoryExtensionPointTestCase.java207
56 files changed, 4326 insertions, 0 deletions
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/doc/Context Model.emx b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/doc/Context Model.emx
new file mode 100644
index 0000000000..0445ea5a6b
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/doc/Context Model.emx
@@ -0,0 +1,673 @@
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+ * 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
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diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/ComponentContextFactory.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/ComponentContextFactory.java
new file mode 100644
index 0000000000..134f49e7b0
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/ComponentContextFactory.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.sca.context;
+
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.oasisopen.sca.ComponentContext;
+
+/**
+ * Interface implemented by the provider of the ComponentContext.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ComponentContextFactory {
+ /**
+ * Create an instance of ComponentContext
+ *
+ * @param component The runtime component
+ * @return An instance of ComponentContext for the component
+ */
+ ComponentContext createComponentContext(RuntimeComponent component);
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/ContextFactoryExtensionPoint.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/ContextFactoryExtensionPoint.java
new file mode 100644
index 0000000000..e92a8f2844
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/ContextFactoryExtensionPoint.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.sca.context;
+
+/**
+ * An extension point for context factories.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ContextFactoryExtensionPoint {
+
+ /**
+ * Add a context factory extension.
+ *
+ * @param factory The factory to add
+ */
+ void addFactory(Object factory);
+
+ /**
+ * Remove a context factory extension.
+ *
+ * @param factory The factory to remove
+ */
+ void removeFactory(Object factory);
+
+ /**
+ * Get a factory implementing the given interface.
+ * @param factoryInterface the lookup key (factory interface)
+ * @return The factory
+ */
+ <T> T getFactory(Class<T> factoryInterface);
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/DefaultContextFactoryExtensionPoint.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/DefaultContextFactoryExtensionPoint.java
new file mode 100644
index 0000000000..3c4be9cd55
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/DefaultContextFactoryExtensionPoint.java
@@ -0,0 +1,116 @@
+/*
+ * 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.sca.context;
+
+import java.lang.reflect.Constructor;
+import java.util.HashMap;
+
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.extensibility.ServiceDeclaration;
+import org.apache.tuscany.sca.extensibility.ServiceDiscovery;
+
+/**
+ * Default implementation of a model factory extension point.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefaultContextFactoryExtensionPoint implements ContextFactoryExtensionPoint {
+
+ /**
+ * The Map of Factories that have been registered.
+ */
+ private HashMap<Class<?>, Object> factories = new HashMap<Class<?>, Object>();
+
+ private ExtensionPointRegistry registry;
+
+ public DefaultContextFactoryExtensionPoint(ExtensionPointRegistry registry) {
+ this.registry = registry;
+ }
+
+ /**
+ * Add a model factory extension.
+ *
+ * @param factory The factory to add.
+ * @throws IllegalArgumentException if factory is null
+ */
+ public void addFactory(Object factory) throws IllegalArgumentException {
+ if (factory == null) {
+ throw new IllegalArgumentException("Cannot add null as a factory");
+ }
+
+ Class<?>[] interfaces = factory.getClass().getInterfaces();
+ for (int i = 0; i<interfaces.length; i++) {
+ factories.put(interfaces[i], factory);
+ }
+ }
+
+ /**
+ * Remove a model factory extension.
+ *
+ * @param factory The factory to remove
+ * @throws IllegalArgumentException if factory is null
+ */
+ public void removeFactory(Object factory) throws IllegalArgumentException {
+ if (factory == null) {
+ throw new IllegalArgumentException("Cannot remove null as a factory");
+ }
+
+ Class<?>[] interfaces = factory.getClass().getInterfaces();
+ for (int i = 0; i<interfaces.length; i++) {
+ factories.remove(interfaces[i]);
+ }
+ }
+
+ /**
+ * Get a factory implementing the given interface.
+ *
+ * @param factoryInterface The lookup key (factory interface)
+ * @return The factory
+ */
+ public <T> T getFactory(Class<T> factoryInterface) throws IllegalArgumentException {
+ if (factoryInterface == null) {
+ throw new IllegalArgumentException("Cannot get null as a factory");
+ }
+
+ Object factory = factories.get(factoryInterface);
+ if (factory == null) {
+
+ // Dynamically load a factory class declared under META-INF/services
+ try {
+ ServiceDeclaration factoryDeclaration = ServiceDiscovery.getInstance().getServiceDeclaration(factoryInterface.getName());
+ if (factoryDeclaration != null) {
+ Class<?> factoryClass = factoryDeclaration.loadClass();
+
+ // Default empty constructor
+ Constructor<?> constructor = factoryClass.getConstructor(ExtensionPointRegistry.class);
+ factory = constructor.newInstance(registry);
+
+ // Cache the loaded factory
+ addFactory(factory);
+ }
+ } catch (Exception e) {
+ throw new IllegalArgumentException(e);
+ }
+
+ }
+
+ return factoryInterface.cast(factory);
+ }
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/PropertyValueFactory.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/PropertyValueFactory.java
new file mode 100644
index 0000000000..9766e164b8
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/PropertyValueFactory.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.sca.context;
+
+import org.apache.tuscany.sca.assembly.ComponentProperty;
+
+/**
+ * Interface implemented by the provider of the property values
+ *
+ * @version $Rev$ $Date$
+ */
+public interface PropertyValueFactory {
+
+ /**
+ * This method will create an instance of the value for the specified Property.
+ *
+ * @param property The Property from which to retrieve the property value
+ * @param type The type of the property value being retrieved from the Property
+ * @param <B> Type type of the property value being looked up
+ *
+ * @return the value for the Property
+ */
+ <B> B createPropertyValue(ComponentProperty property, Class<B> type);
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/RequestContextFactory.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/RequestContextFactory.java
new file mode 100644
index 0000000000..d8f15b411c
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/RequestContextFactory.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.sca.context;
+
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.oasisopen.sca.RequestContext;
+
+/**
+ * Interface implemented by the provider of the RequestContext.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface RequestContextFactory {
+ /**
+ * @return An instance of RequestContext for the current invocation
+ */
+ RequestContext createRequestContext(RuntimeComponent component);
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/DataExchangeSemantics.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/DataExchangeSemantics.java
new file mode 100644
index 0000000000..957a15ce8a
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/DataExchangeSemantics.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.sca.invocation;
+
+/**
+ * An invoker or interceptor can optionally implement this interface to indicate if they can
+ * enforce the pass-by-value semantics for an operation on remotable interfaces.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface DataExchangeSemantics {
+ /**
+ * Indicate if the data can be passed in by reference as they won't be mutated.
+ * @return true if pass-by-reference is allowed
+ */
+ boolean allowsPassByReference();
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Interceptor.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Interceptor.java
new file mode 100644
index 0000000000..a5f221fc11
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Interceptor.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.sca.invocation;
+
+/**
+ * Synchronous mediation associated with a client- or target- side wire.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface Interceptor extends Invoker {
+
+ /**
+ * Sets the next invoker
+ * @param next The next invoker
+ */
+ void setNext(Invoker next);
+
+ /**
+ * Returns the next invoker or null
+ * @return The next Invoker
+ */
+ Invoker getNext();
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/InvocationChain.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/InvocationChain.java
new file mode 100644
index 0000000000..75719bb0cc
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/InvocationChain.java
@@ -0,0 +1,112 @@
+/*
+ * 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.sca.invocation;
+
+import org.apache.tuscany.sca.interfacedef.Operation;
+
+/**
+ * A wire consists of 1..n invocation chains associated with the operations of its source service contract.
+ * <p/>
+ * Invocation chains may contain <code>Interceptors</code> that process invocations.
+ * <p/>
+ * A <code>Message</code> is used to pass data associated with an invocation through the chain.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface InvocationChain {
+ /**
+ * Returns the target operation for this invocation chain.
+ *
+ * @return The target operation for this invocation chain
+ */
+ Operation getTargetOperation();
+
+ /**
+ * Updates the target operation for this invocation chain.
+ *
+ * @param operation The new target operation for this invocation chain
+ */
+ void setTargetOperation(Operation operation);
+
+ /**
+ * Returns the source operation for this invocation chain.
+ *
+ * @return The source operation for this invocation chain
+ */
+ Operation getSourceOperation();
+
+ /**
+ * Adds an interceptor to the chain. For reference side, it will be added to
+ * Phase.REFERENCE. For service side, it will be added to Phase.SERVICE
+ *
+ * @param interceptor The interceptor to add
+ */
+ void addInterceptor(Interceptor interceptor);
+
+ /**
+ * Adds an invoker to the chain
+ *
+ * @param invoker The invoker to add
+ */
+ void addInvoker(Invoker invoker);
+
+ /**
+ * Returns the first invoker in the chain.
+ *
+ * @return The first invoker in the chain
+ */
+ Invoker getHeadInvoker();
+
+ /**
+ * @deprecated This method is not used
+ * Returns the last invoker in the chain.
+ *
+ * @return The last invoker in the chain
+ */
+ @Deprecated
+ Invoker getTailInvoker();
+
+ /**
+ * @deprecated Please use <code>void addInterceptor(String phase, Interceptor interceptor);</code>
+ * 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
+ */
+ @Deprecated
+ void addInterceptor(int index, Interceptor interceptor);
+
+ /**
+ * Add an interceptor to the given phase
+ * @param phase
+ * @param interceptor
+ */
+ void addInterceptor(String phase, Interceptor interceptor);
+
+ /**
+ * Indicate if the data can be passed in by reference as they won't be mutated.
+ * @return true if pass-by-reference is allowed
+ */
+ boolean allowsPassByReference();
+ /**
+ * Force the invocation to allow pass-by-reference
+ * @param allowsPBR
+ */
+ void setAllowsPassByReference(boolean allowsPBR);
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Invoker.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Invoker.java
new file mode 100644
index 0000000000..2748bbed9a
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Invoker.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.sca.invocation;
+
+/**
+ * Synchronous mediation associated with a client- or target- side wire.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface Invoker {
+
+ /**
+ * Process a synchronous wire
+ *
+ * @param msg The request Message for the wire
+ * @return The response Message from the wire
+ */
+ Message invoke(Message msg);
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Message.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Message.java
new file mode 100644
index 0000000000..c9ee00ff85
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Message.java
@@ -0,0 +1,116 @@
+/*
+ * 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.sca.invocation;
+
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.interfacedef.Operation;
+
+/**
+ * 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
+ * @return The body of the message
+ */
+ <T> T getBody();
+
+ /**
+ * Sets the body of the message.
+ * @param body The body of the message
+ */
+ <T> void setBody(T body);
+
+ /**
+ * Get the end point reference of the source reference
+ * @return The end point reference of the reference originating the message
+ */
+ EndpointReference getFrom();
+
+ /**
+ * Set the end point reference of the reference originating the message
+ * @param from The end point reference of the reference originating the message
+ */
+ void setFrom(EndpointReference from);
+
+ /**
+ * Get the end point reference of target service
+ * @return The end point reference of the service that the message targets
+ */
+ Endpoint getTo();
+
+ /**
+ * Set the end point reference of target service
+ * @param to The end point reference of the service that the message targets
+ */
+ void setTo(Endpoint to);
+
+ /**
+ * Returns the id of the message
+ * @return The message Id
+ */
+ Object getMessageID();
+
+ /**
+ * Sets the id of the message
+ * @param messageId The message ID
+ */
+ void setMessageID(Object messageId);
+
+ /**
+ * Determines if the message represents a fault/exception
+ *
+ * @return true If the message body is a fault object, false if 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
+ */
+ <T> void setFaultBody(T fault);
+
+ /**
+ * Returns the operation that created the message.
+ *
+ * @return The operation that created the message
+ */
+ Operation getOperation();
+
+ /**
+ * Sets the operation that created the message.
+ *
+ * @param op The operation that created the message
+ */
+ void setOperation(Operation op);
+
+ /**
+ * Returns a list of objects that are contained in the message header
+ *
+ * @return
+ */
+ List<Object> getHeaders();
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/MessageFactory.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/MessageFactory.java
new file mode 100644
index 0000000000..38c900e36a
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/MessageFactory.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.sca.invocation;
+
+
+/**
+ * A factory for messages
+ *
+ * @version $Rev $Date$
+ */
+public interface MessageFactory {
+
+ /**
+ * Creates a new message.
+ *
+ * @return The new message
+ */
+ Message createMessage();
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Phase.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Phase.java
new file mode 100644
index 0000000000..af8ad6e582
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/invocation/Phase.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.sca.invocation;
+
+/**
+ * Tuscany built-in phases for the invocation chain
+ *
+ * @version $Rev$ $Date$
+ */
+public interface Phase {
+ // The first phase for outgoing invocations via a reference
+ String REFERENCE = "component.reference";
+
+ // data transformation and validation
+ String REFERENCE_INTERFACE = "reference.interface";
+
+ // reference policy handling
+ String REFERENCE_POLICY = "reference.policy";
+
+ // reference binding invoker
+ String REFERENCE_BINDING = "reference.binding";
+
+ String REFERENCE_BINDING_WIREFORMAT = "reference.binding.wireformat";
+ String REFERENCE_BINDING_POLICY = "reference.binding.policy";
+ String REFERENCE_BINDING_TRANSPORT = "reference.binding.transport";
+
+ String SERVICE_BINDING_TRANSPORT = "service.binding.transport";
+ String SERVICE_BINDING_OPERATION_SELECTOR = "service.binding.operationselector";
+ String SERVICE_BINDING_WIREFORMAT = "service.binding.wireformat";
+ String SERVICE_BINDING_POLICY = "service.binding.policy";
+
+
+ // The first phase for incoming invocations via a service
+ String SERVICE_BINDING = "service.binding";
+
+ // service policy handling
+ String SERVICE_POLICY = "service.policy";
+
+ // data validation and transformation
+ String SERVICE_INTERFACE = "service.interface";
+
+ // TODO: not sure if we need to have this face
+ String SERVICE = "component.service";
+
+ // implementation policy handling
+ String IMPLEMENTATION_POLICY = "implementation.policy";
+
+ // implementation invoker
+ String IMPLEMENTATION = "component.implementation";
+
+ // String getName();
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/management/ManagementService.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/management/ManagementService.java
new file mode 100644
index 0000000000..3887db4873
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/management/ManagementService.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.sca.management;
+
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * Interface for the management service abstraction. The implementation
+ * could be based on a variety of technologies including JMX, WSDM,
+ * SNMP etc.
+ *
+ * @version $Revision$ $Date$
+ */
+public interface ManagementService {
+
+ /**
+ * Registers a component for management.
+ *
+ * @param name Name of the component.
+ * @param component Component to be registered.
+ */
+ void registerComponent(String name, RuntimeComponent component);
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/BindingProviderFactory.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/BindingProviderFactory.java
new file mode 100644
index 0000000000..0f6a932c51
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/BindingProviderFactory.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.sca.provider;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * A factory for creating the runtime artifacts that represent bindings.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface BindingProviderFactory<M extends Binding> extends ProviderFactory<M> {
+
+ /**
+ * Creates a new reference binding provider for the given component and
+ * reference.
+ *
+ * @param component The runtime component
+ * @param reference The reference on the runtime component
+ * @param binding The binding assembly model object
+ * @return The binding provider
+ */
+ ReferenceBindingProvider createReferenceBindingProvider(RuntimeComponent component,
+ RuntimeComponentReference reference,
+ M binding);
+
+ /**
+ * Creates a new service binding provider for the given component and
+ * service.
+ *
+ * @param component The runtime component
+ * @param service The service on the runtime component
+ * @param binding The binding assembly model object
+ * @return The binding provider
+ */
+ ServiceBindingProvider createServiceBindingProvider(RuntimeComponent component,
+ RuntimeComponentService service,
+ M binding);
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultDefinitionsProviderExtensionPoint.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultDefinitionsProviderExtensionPoint.java
new file mode 100644
index 0000000000..b68a485e55
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultDefinitionsProviderExtensionPoint.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.sca.provider;
+
+import java.lang.reflect.Constructor;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.extensibility.ServiceDeclaration;
+import org.apache.tuscany.sca.extensibility.ServiceDiscovery;
+
+/**
+ * Concrete Implementation for the SCADefinitionsProviderExtensionPoint
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefaultDefinitionsProviderExtensionPoint implements
+ DefinitionsProviderExtensionPoint {
+
+ private ExtensionPointRegistry extensionPointRegistry = null;
+
+ private boolean loaded;
+ private List<DefinitionsProvider> scaDefnsProviders = new ArrayList<DefinitionsProvider>();
+
+ public DefaultDefinitionsProviderExtensionPoint(ExtensionPointRegistry extnPtReg) {
+ this.extensionPointRegistry = extnPtReg;
+ }
+
+ public void addDefinitionsProvider(DefinitionsProvider provider) {
+ scaDefnsProviders.add(provider);
+ }
+
+ public void removeDefinitionsProvider(DefinitionsProvider provider) {
+ scaDefnsProviders.remove(provider);
+ }
+
+ public List<DefinitionsProvider> getDefinitionsProviders() {
+ loadProviders();
+ return scaDefnsProviders;
+ }
+
+ private synchronized void loadProviders() {
+ if(loaded) {
+ return;
+ }
+ // Get the provider service declarations
+ Collection<ServiceDeclaration> defnProviderDecls;
+ DefinitionsProvider aProvider = null;
+ Class<?> providerClass = null;
+ Constructor<?> constructor = null;
+
+ try {
+ defnProviderDecls =
+ ServiceDiscovery.getInstance().getServiceDeclarations(DefinitionsProvider.class.getName());
+
+ for (ServiceDeclaration aDefnProviderDecl : defnProviderDecls) {
+ providerClass = aDefnProviderDecl.loadClass();
+
+ try {
+ constructor = providerClass.getConstructor();
+ aProvider = (DefinitionsProvider)constructor.newInstance();
+ } catch (NoSuchMethodException e1) {
+ constructor = providerClass.getConstructor(ExtensionPointRegistry.class);
+ aProvider = (DefinitionsProvider)constructor.newInstance(extensionPointRegistry);
+ }
+
+ scaDefnsProviders.add(aProvider);
+ }
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ loaded = true;
+ }
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java
new file mode 100644
index 0000000000..84e000ab10
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java
@@ -0,0 +1,505 @@
+/*
+ * 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.sca.provider;
+
+import java.lang.reflect.Constructor;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.extensibility.ServiceDeclaration;
+import org.apache.tuscany.sca.extensibility.ServiceDiscovery;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * Default implementation of a provider factory extension point.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefaultProviderFactoryExtensionPoint implements ProviderFactoryExtensionPoint {
+
+ private ExtensionPointRegistry registry;
+ private final Map<Class<?>, ProviderFactory> providerFactories = new HashMap<Class<?>, ProviderFactory>();
+ private final List<PolicyProviderFactory> policyProviderFactories = new ArrayList<PolicyProviderFactory>();
+ private boolean loaded;
+
+ /**
+ * The default constructor. Does nothing.
+ *
+ */
+ public DefaultProviderFactoryExtensionPoint(ExtensionPointRegistry registry) {
+ this.registry = registry;
+ }
+
+ /**
+ * Add a provider factory.
+ *
+ * @param providerFactory The provider factory
+ */
+ public void addProviderFactory(ProviderFactory providerFactory) {
+ if(providerFactory instanceof PolicyProviderFactory) {
+ policyProviderFactories.add((PolicyProviderFactory)providerFactory);
+ }
+ providerFactories.put(providerFactory.getModelType(), providerFactory);
+ }
+
+ /**
+ * Remove a provider factory.
+ *
+ * @param providerFactory The provider factory
+ */
+ public void removeProviderFactory(ProviderFactory providerFactory) {
+ if(providerFactory instanceof PolicyProviderFactory) {
+ policyProviderFactories.remove((PolicyProviderFactory)providerFactory);
+ }
+ providerFactories.remove(providerFactory.getModelType());
+ }
+
+ /**
+ * Returns the provider factory associated with the given model type.
+ * @param modelType A model type
+ * @return The provider factory associated with the given model type
+ */
+ public ProviderFactory getProviderFactory(Class<?> modelType) {
+ loadProviderFactories();
+
+ Class<?>[] classes = modelType.getInterfaces();
+ for (Class<?> c : classes) {
+ ProviderFactory factory = providerFactories.get(c);
+ if (factory != null) {
+ return factory;
+ }
+ }
+ return providerFactories.get(modelType);
+ }
+
+ public List<PolicyProviderFactory> getPolicyProviderFactories() {
+ loadProviderFactories();
+ return policyProviderFactories;
+ }
+
+ /**
+ * Load provider factories declared under META-INF/services.
+ * @param registry
+ */
+ private synchronized void loadProviderFactories() {
+ if (loaded)
+ return;
+
+ loadProviderFactories(BindingProviderFactory.class);
+ loadProviderFactories(ImplementationProviderFactory.class);
+ loadProviderFactories(PolicyProviderFactory.class);
+ loadProviderFactories(WireFormatProviderFactory.class);
+ loadProviderFactories(OperationSelectorProviderFactory.class);
+
+ loaded = true;
+ }
+
+ /**
+ * Load provider factories declared under META-INF/services.
+ * @param registry
+ * @param factoryClass
+ * @return
+ */
+ private List<ProviderFactory> loadProviderFactories(Class<?> factoryClass) {
+
+ // Get the provider factory service declarations
+ Collection<ServiceDeclaration> factoryDeclarations;
+ ServiceDiscovery serviceDiscovery = ServiceDiscovery.getInstance();
+ try {
+ factoryDeclarations = serviceDiscovery.getServiceDeclarations(factoryClass.getName());
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+
+ // Get the target extension point
+ ProviderFactoryExtensionPoint factoryExtensionPoint =
+ registry.getExtensionPoint(ProviderFactoryExtensionPoint.class);
+ List<ProviderFactory> factories = new ArrayList<ProviderFactory>();
+
+ for (ServiceDeclaration factoryDeclaration : factoryDeclarations) {
+ Map<String, String> attributes = factoryDeclaration.getAttributes();
+
+ // Load an implementation provider factory
+ if (factoryClass == ImplementationProviderFactory.class) {
+ String modelTypeName = attributes.get("model");
+
+ // Create a provider factory wrapper and register it
+ ImplementationProviderFactory factory =
+ new LazyImplementationProviderFactory(registry, modelTypeName, factoryDeclaration);
+ factoryExtensionPoint.addProviderFactory(factory);
+ factories.add(factory);
+
+ } else if (factoryClass == BindingProviderFactory.class) {
+
+ // Load a binding provider factory
+ String modelTypeName = attributes.get("model");
+
+ // Create a provider factory wrapper and register it
+ BindingProviderFactory factory =
+ new LazyBindingProviderFactory(registry, modelTypeName, factoryDeclaration);
+ factoryExtensionPoint.addProviderFactory(factory);
+ factories.add(factory);
+ } else if (factoryClass == PolicyProviderFactory.class) {
+ // Load a policy provider factory
+ String modelTypeName = attributes.get("model");
+
+ // Create a provider factory wrapper and register it
+ PolicyProviderFactory factory =
+ new LazyPolicyProviderFactory(registry, modelTypeName, factoryDeclaration);
+ factoryExtensionPoint.addProviderFactory(factory);
+ factories.add(factory);
+ } else if (factoryClass == WireFormatProviderFactory.class) {
+
+ // Load a wire format provider factory
+ String modelTypeName = attributes.get("model");
+
+ // Create a provider factory wrapper and register it
+ WireFormatProviderFactory factory =
+ new LazyWireFormatProviderFactory(registry, modelTypeName, factoryDeclaration);
+ factoryExtensionPoint.addProviderFactory(factory);
+ factories.add(factory);
+ } else if (factoryClass == OperationSelectorProviderFactory.class) {
+
+ // Load a wire format provider factory
+ String modelTypeName = attributes.get("model");
+
+ // Create a provider factory wrapper and register it
+ OperationSelectorProviderFactory factory =
+ new LazyOperationSelectorProviderFactory(registry, modelTypeName, factoryDeclaration);
+ factoryExtensionPoint.addProviderFactory(factory);
+ factories.add(factory);
+ }
+ }
+ return factories;
+ }
+
+ /**
+ * A wrapper around an implementation provider factory allowing lazy
+ * loading and initialization of implementation providers.
+ */
+ private static class LazyBindingProviderFactory implements BindingProviderFactory {
+
+ private ExtensionPointRegistry registry;
+ private String modelTypeName;
+ private ServiceDeclaration factoryDeclaration;
+ private BindingProviderFactory factory;
+ private Class<?> modelType;
+
+ private LazyBindingProviderFactory(ExtensionPointRegistry registry,
+ String modelTypeName,
+ ServiceDeclaration factoryDeclaration) {
+ this.registry = registry;
+ this.modelTypeName = modelTypeName;
+ this.factoryDeclaration = factoryDeclaration;
+ }
+
+ @SuppressWarnings("unchecked")
+ private BindingProviderFactory getFactory() {
+ if (factory == null) {
+ try {
+ Class<BindingProviderFactory> factoryClass =
+ (Class<BindingProviderFactory>)factoryDeclaration.loadClass();
+ Constructor<BindingProviderFactory> constructor =
+ factoryClass.getConstructor(ExtensionPointRegistry.class);
+ factory = constructor.newInstance(registry);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return factory;
+ }
+
+ @SuppressWarnings("unchecked")
+ public ReferenceBindingProvider createReferenceBindingProvider(RuntimeComponent component,
+ RuntimeComponentReference reference,
+ Binding binding) {
+ return getFactory().createReferenceBindingProvider(component, reference, binding);
+ }
+
+ @SuppressWarnings("unchecked")
+ public ServiceBindingProvider createServiceBindingProvider(RuntimeComponent component,
+ RuntimeComponentService service,
+ Binding binding) {
+ return getFactory().createServiceBindingProvider(component, service, binding);
+ }
+
+ public Class<?> getModelType() {
+ if (modelType == null) {
+ try {
+ modelType = factoryDeclaration.loadClass(modelTypeName);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return modelType;
+ }
+
+ }
+
+ /**
+ * A wrapper around an implementation provider factory allowing lazy
+ * loading and initialization of implementation providers.
+ */
+ private class LazyImplementationProviderFactory implements ImplementationProviderFactory {
+
+ private ExtensionPointRegistry registry;
+ private String modelTypeName;
+ private ServiceDeclaration providerClass;
+ private ImplementationProviderFactory factory;
+ private Class<?> modelType;
+
+ private LazyImplementationProviderFactory(ExtensionPointRegistry registry,
+ String modelTypeName,
+ ServiceDeclaration providerClass) {
+ this.registry = registry;
+ this.modelTypeName = modelTypeName;
+ this.providerClass = providerClass;
+ }
+
+ @SuppressWarnings("unchecked")
+ private ImplementationProviderFactory getFactory() {
+ if (factory == null) {
+ try {
+ Class<ImplementationProviderFactory> factoryClass =
+ (Class<ImplementationProviderFactory>)providerClass.loadClass();
+ Constructor<ImplementationProviderFactory> constructor =
+ factoryClass.getConstructor(ExtensionPointRegistry.class);
+ factory = constructor.newInstance(registry);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return factory;
+ }
+
+ @SuppressWarnings("unchecked")
+ public ImplementationProvider createImplementationProvider(RuntimeComponent component,
+ Implementation Implementation) {
+ return getFactory().createImplementationProvider(component, Implementation);
+ }
+
+ public Class<?> getModelType() {
+ if (modelType == null) {
+ try {
+
+ modelType = providerClass.loadClass(modelTypeName);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return modelType;
+ }
+
+ }
+
+ /**
+ * A wrapper around an policy provider factory allowing lazy
+ * loading and initialization of policy providers.
+ */
+ private class LazyPolicyProviderFactory implements PolicyProviderFactory {
+ private ExtensionPointRegistry registry;
+ private String modelTypeName;
+ private ServiceDeclaration providerClass;
+ private PolicyProviderFactory factory;
+ private Class<?> modelType;
+
+ private LazyPolicyProviderFactory(ExtensionPointRegistry registry,
+ String modelTypeName,
+ ServiceDeclaration providerClass) {
+ this.registry = registry;
+ this.modelTypeName = modelTypeName;
+ this.providerClass = providerClass;
+ }
+
+ @SuppressWarnings("unchecked")
+ private PolicyProviderFactory getFactory() {
+ if (factory == null) {
+ try {
+ Class<PolicyProviderFactory> factoryClass = (Class<PolicyProviderFactory>)providerClass.loadClass();
+ Constructor<PolicyProviderFactory> constructor =
+ factoryClass.getConstructor(ExtensionPointRegistry.class);
+ factory = constructor.newInstance(registry);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return factory;
+ }
+
+ public PolicyProvider createImplementationPolicyProvider(RuntimeComponent component,
+ Implementation implementation) {
+ return getFactory().createImplementationPolicyProvider(component, implementation);
+ }
+
+ public PolicyProvider createReferencePolicyProvider(RuntimeComponent component,
+ RuntimeComponentReference reference,
+ Binding binding) {
+ return getFactory().createReferencePolicyProvider(component, reference, binding);
+ }
+
+ public PolicyProvider createServicePolicyProvider(RuntimeComponent component,
+ RuntimeComponentService service,
+ Binding binding) {
+ return getFactory().createServicePolicyProvider(component, service, binding);
+ }
+
+ public Class<?> getModelType() {
+ if (modelType == null) {
+ try {
+ modelType = providerClass.loadClass(modelTypeName);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return modelType;
+ }
+ }
+
+ /**
+ * A wrapper around a wire format provider factory allowing lazy
+ * loading and initialization of wire format providers.
+ */
+ private class LazyWireFormatProviderFactory implements WireFormatProviderFactory {
+
+ private ExtensionPointRegistry registry;
+ private String modelTypeName;
+ private ServiceDeclaration providerClass;
+ private WireFormatProviderFactory factory;
+ private Class<?> modelType;
+
+ private LazyWireFormatProviderFactory(ExtensionPointRegistry registry,
+ String modelTypeName,
+ ServiceDeclaration providerClass) {
+ this.registry = registry;
+ this.modelTypeName = modelTypeName;
+ this.providerClass = providerClass;
+ }
+
+ @SuppressWarnings("unchecked")
+ private WireFormatProviderFactory getFactory() {
+ if (factory == null) {
+ try {
+ Class<WireFormatProviderFactory> factoryClass =
+ (Class<WireFormatProviderFactory>)providerClass.loadClass();
+ Constructor<WireFormatProviderFactory> constructor =
+ factoryClass.getConstructor(ExtensionPointRegistry.class);
+ factory = constructor.newInstance(registry);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return factory;
+ }
+
+ public WireFormatProvider createReferenceWireFormatProvider(RuntimeComponent component,
+ RuntimeComponentReference reference,
+ Binding binding){
+ return getFactory().createReferenceWireFormatProvider(component, reference, binding);
+ }
+
+ public WireFormatProvider createServiceWireFormatProvider(RuntimeComponent component,
+ RuntimeComponentService service,
+ Binding binding){
+ return getFactory().createServiceWireFormatProvider(component, service, binding);
+ }
+
+ public Class<?> getModelType() {
+ if (modelType == null) {
+ try {
+
+ modelType = providerClass.loadClass(modelTypeName);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return modelType;
+ }
+ }
+
+ /**
+ * A wrapper around a operation selector provider factory allowing lazy
+ * loading and initialization of operation selector providers.
+ */
+ private class LazyOperationSelectorProviderFactory implements OperationSelectorProviderFactory {
+
+ private ExtensionPointRegistry registry;
+ private String modelTypeName;
+ private ServiceDeclaration providerClass;
+ private OperationSelectorProviderFactory factory;
+ private Class<?> modelType;
+
+ private LazyOperationSelectorProviderFactory(ExtensionPointRegistry registry,
+ String modelTypeName,
+ ServiceDeclaration providerClass) {
+ this.registry = registry;
+ this.modelTypeName = modelTypeName;
+ this.providerClass = providerClass;
+ }
+
+ @SuppressWarnings("unchecked")
+ private OperationSelectorProviderFactory getFactory() {
+ if (factory == null) {
+ try {
+ Class<OperationSelectorProviderFactory> factoryClass =
+ (Class<OperationSelectorProviderFactory>)providerClass.loadClass();
+ Constructor<OperationSelectorProviderFactory> constructor =
+ factoryClass.getConstructor(ExtensionPointRegistry.class);
+ factory = constructor.newInstance(registry);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return factory;
+ }
+
+ public OperationSelectorProvider createReferenceOperationSelectorProvider(RuntimeComponent component,
+ RuntimeComponentReference reference,
+ Binding binding){
+ return getFactory().createReferenceOperationSelectorProvider(component, reference, binding);
+ }
+
+ public OperationSelectorProvider createServiceOperationSelectorProvider(RuntimeComponent component,
+ RuntimeComponentService service,
+ Binding binding){
+ return getFactory().createServiceOperationSelectorProvider(component, service, binding);
+ }
+
+ public Class<?> getModelType() {
+ if (modelType == null) {
+ try {
+
+ modelType = providerClass.loadClass(modelTypeName);
+ } catch (Exception e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ return modelType;
+ }
+ }
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefinitionsProvider.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefinitionsProvider.java
new file mode 100644
index 0000000000..7871aea07c
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefinitionsProvider.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.sca.provider;
+
+import org.apache.tuscany.sca.definitions.Definitions;
+
+/**
+ * Models a provider of SCA Definitions. Typically SCA Definitions providers
+ * may either load a definitions.xml file or create the SCA Definitions model
+ * programmatically.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface DefinitionsProvider {
+ Definitions getDefinitions() throws DefinitionsProviderException ;
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefinitionsProviderException.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefinitionsProviderException.java
new file mode 100644
index 0000000000..11464125ad
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefinitionsProviderException.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.sca.provider;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class DefinitionsProviderException extends Exception {
+
+ public DefinitionsProviderException(Throwable e) {
+ super(e);
+ }
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefinitionsProviderExtensionPoint.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefinitionsProviderExtensionPoint.java
new file mode 100644
index 0000000000..61cfbe8536
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefinitionsProviderExtensionPoint.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.sca.provider;
+
+import java.util.List;
+
+/**
+ * An extension point for SCA Definitions Providers. SCA Definition providers, load SCA Definitions
+ * items that are being specifically contributed by the module that hosts the provider in question.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface DefinitionsProviderExtensionPoint {
+
+ void addDefinitionsProvider(DefinitionsProvider provider);
+ void removeDefinitionsProvider(DefinitionsProvider provider);
+ List<DefinitionsProvider> getDefinitionsProviders();
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProvider.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProvider.java
new file mode 100644
index 0000000000..015c673d66
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProvider.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.sca.provider;
+
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * A component implementation can implement this interface in order to tie
+ * into the Tuscany runtime
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ImplementationProvider {
+
+ /**
+ * This method will be invoked when the component implementation
+ * is activated.
+ */
+ void start();
+
+ /**
+ * This method will be invoked when the component implementation
+ * is deactivated.
+ */
+ void stop();
+
+ /**
+ * Create an invoker for the component implementation in the invocation
+ * chain. The invoker will be responsible for calling the implementation
+ * logic for the given component.
+ *
+ * @param service The component service
+ * @param operation The operation that the interceptor will handle
+ * @return An invoker that handles the invocation logic, null should be
+ * returned if no invoker is required
+ */
+ Invoker createInvoker(RuntimeComponentService service, Operation operation);
+
+ /**
+ * For bindings that invoke one-way callback operations asynchronously,
+ * there is no need to perform a thread switch before calling the invoker.
+ * This method indicates whether the binding has this capability.
+ *
+ * @return true if the callback invoker is able to invoke one-way operations
+ * asynchronously, false if all invocations are synchronous
+ */
+ boolean supportsOneWayInvocation();
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProviderFactory.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProviderFactory.java
new file mode 100644
index 0000000000..6a37d1e951
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationProviderFactory.java
@@ -0,0 +1,42 @@
+/*
+ * 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.sca.provider;
+
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * An interface for factories that create implementation providers.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ImplementationProviderFactory<M extends Implementation> extends ProviderFactory<M> {
+
+ /**
+ * Creates a new implementation provider for the given
+ * component.
+ *
+ * @param component The runtime component
+ * @param Implementation The implementation type
+ * @return The implementation provider
+ */
+ ImplementationProvider createImplementationProvider(RuntimeComponent component, M Implementation);
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/OperationSelectorProvider.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/OperationSelectorProvider.java
new file mode 100644
index 0000000000..f385c7dfba
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/OperationSelectorProvider.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.sca.provider;
+
+import org.apache.tuscany.sca.invocation.Interceptor;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public interface OperationSelectorProvider {
+ /**
+ * Create an interceptor for the operation selector
+ * @return An interceptor that realize the policySet
+ */
+ Interceptor createInterceptor();
+
+ /**
+ * Get the phase that the interceptor should be added
+ * @return The phase that this interceptor belongs to
+ */
+ String getPhase();
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/OperationSelectorProviderFactory.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/OperationSelectorProviderFactory.java
new file mode 100644
index 0000000000..183b38cb33
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/OperationSelectorProviderFactory.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.sca.provider;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.OperationSelector;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public interface OperationSelectorProviderFactory<M extends OperationSelector> extends ProviderFactory<M> {
+ /**
+ * Create wire format provider for a given reference binding
+ * @param component
+ * @param reference
+ * @param binding
+ * @return
+ */
+ OperationSelectorProvider createReferenceOperationSelectorProvider(RuntimeComponent component,
+ RuntimeComponentReference reference,
+ Binding binding);
+
+ /**
+ * Create policy provider for a given service binding
+ * @param component
+ * @param service
+ * @param binding
+ * @return
+ */
+ OperationSelectorProvider createServiceOperationSelectorProvider(RuntimeComponent component,
+ RuntimeComponentService service,
+ Binding binding);
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyImplementor.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyImplementor.java
new file mode 100644
index 0000000000..f2b59a7c54
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyImplementor.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.sca.provider;
+
+import java.util.List;
+
+import javax.xml.namespace.QName;
+
+/**
+ * This interface can be optionally implemented by the Binding or Implementation providers to
+ * indicate if they implement the policies in the binding/implementation provider.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface PolicyImplementor {
+ /**
+ * Get a list of policy names that are implemented by this policy implementor
+ * @return A list of policy names
+ */
+ List<QName> getImplementedPolicies();
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProvider.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProvider.java
new file mode 100644
index 0000000000..644283dea1
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProvider.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.sca.provider;
+
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Interceptor;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public interface PolicyProvider {
+ /**
+ * Create an interceptor for a given operation
+ * @param operation
+ * @return An interceptor that realize the policySet
+ */
+ Interceptor createInterceptor(Operation operation);
+
+ /**
+ * Get the phase that the interceptor should be added
+ * @return The phase that this interceptor belongs to
+ */
+ String getPhase();
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProviderFactory.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProviderFactory.java
new file mode 100644
index 0000000000..d9ac4d16b0
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProviderFactory.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.sca.provider;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public interface PolicyProviderFactory<M> extends ProviderFactory<M> {
+ /**
+ * Create policy provider for a given reference binding
+ * @param component
+ * @param reference
+ * @param binding
+ * @return
+ */
+ PolicyProvider createReferencePolicyProvider(RuntimeComponent component,
+ RuntimeComponentReference reference,
+ Binding binding);
+
+ /**
+ * Create policy provider for a given service binding
+ * @param component
+ * @param service
+ * @param binding
+ * @return
+ */
+ PolicyProvider createServicePolicyProvider(RuntimeComponent component,
+ RuntimeComponentService service,
+ Binding binding);
+
+ /**
+ * Create policy provider for a given component implementation
+ * @param component
+ * @param implementation
+ * @return
+ */
+ PolicyProvider createImplementationPolicyProvider(RuntimeComponent component, Implementation implementation);
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProviderRRB.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProviderRRB.java
new file mode 100644
index 0000000000..23a48c8e36
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/PolicyProviderRRB.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.sca.provider;
+
+import org.apache.tuscany.sca.invocation.Interceptor;
+
+/**
+ * TODO RRB experiment
+ * This is an experiment extension to try out the request response
+ * binding function
+ * @version $Rev$ $Date$
+ */
+public interface PolicyProviderRRB extends PolicyProvider {
+ /**
+ * Create a binding interceptor
+ * @return An interceptor that realize the policySet
+ */
+ Interceptor createBindingInterceptor();
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactory.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactory.java
new file mode 100644
index 0000000000..2102806881
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactory.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.sca.provider;
+
+/**
+ * A factory for runtime providers.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ProviderFactory<M> {
+
+ /**
+ * The model type that this factory creates providers for.
+ *
+ * @return the model type
+ */
+ Class<M> getModelType();
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactoryExtensionPoint.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactoryExtensionPoint.java
new file mode 100644
index 0000000000..d8f9973338
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ProviderFactoryExtensionPoint.java
@@ -0,0 +1,63 @@
+/*
+ * 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.sca.provider;
+
+import java.util.List;
+
+
+/**
+ * An extension point for provider factories. Holds all of the provider
+ * factories from loaded extension points. Allows a provider factory
+ * to be located based on a given model type. Hence the runtime can
+ * generate runtime artifacts from the in memory assembly model.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ProviderFactoryExtensionPoint {
+
+
+ /**
+ * Add a provider factory.
+ *
+ * @param providerFactory The provider factory
+ */
+ void addProviderFactory(ProviderFactory providerFactory);
+
+ /**
+ * Remove a provider factory.
+ *
+ * @param providerFactory The provider factory
+ */
+ void removeProviderFactory(ProviderFactory providerFactory);
+
+ /**
+ * Returns the provider factory associated with the given model type.
+ * @param modelType A model type
+ * @return The provider factory associated with the given model type
+ */
+ ProviderFactory getProviderFactory(Class<?> modelType);
+
+ /**
+ * Get a list of registered PolicyProviderFactory
+ * @return a list of registered PolicyProviderFactory
+ */
+ List<PolicyProviderFactory> getPolicyProviderFactories();
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProvider.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProvider.java
new file mode 100644
index 0000000000..b3ab1d8b87
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProvider.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.sca.provider;
+
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+
+/**
+ * A reference binding implementation can options implement this
+ * interface to tie into the Tuscany SCA runtime
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ReferenceBindingProvider {
+
+ /**
+ * This method will be invoked when the component reference binding is
+ * activated.
+ */
+ void start();
+
+ /**
+ * This method will be invoked when the component reference binding is
+ * deactivated.
+ */
+ void stop();
+
+ /**
+ * Create an invoker for the reference binding in the invocation chain. The
+ * invoker is responsible for making the outbound invocation over the
+ * binding protocol.
+ *
+ * @param operation The operation that the interceptor will handle
+ * @return An invoker that handles the invocation logic, null should be
+ * returned if no invoker is required
+ */
+ Invoker createInvoker(Operation operation);
+
+ /**
+ * Get the effective interface contract imposed by the binding. For example,
+ * it will be interface contract introspected from the WSDL portType used by
+ * the endpoint for a WebService binding.
+ *
+ * @return The effective interface contract, if null is returned, the
+ * interface contract for the component reference will be used
+ */
+ InterfaceContract getBindingInterfaceContract();
+
+ /**
+ * For bindings that invoke one-way operations asynchronously, there is no
+ * need to perform a thread switch before calling the invoker. This method
+ * indicates whether the binding has this capability.
+ *
+ * @return true if the binding invoker is able to invoke one-way operations
+ * asynchronously, false if all invocations are synchronous
+ */
+ boolean supportsOneWayInvocation();
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProviderRRB.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProviderRRB.java
new file mode 100644
index 0000000000..3ea9d0ac3c
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ReferenceBindingProviderRRB.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.sca.provider;
+
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+
+/**
+ * TODO RRB experiment
+ * This is an experiment extension to try out the request response
+ * binding function
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ReferenceBindingProviderRRB extends ReferenceBindingProvider {
+
+ void configureBindingChain(RuntimeWire runtimeWire);
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProvider.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProvider.java
new file mode 100644
index 0000000000..e15234a549
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProvider.java
@@ -0,0 +1,63 @@
+/*
+ * 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.sca.provider;
+
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+
+/**
+ * A service binding can optionally implement this interface to tie
+ * into the Tuscany SCA runtime
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ServiceBindingProvider {
+ /**
+ * This method will be invoked when the component service binding is
+ * activated.
+ */
+ void start();
+
+ /**
+ * This method will be invoked when the component service binding is
+ * deactivated.
+ */
+ void stop();
+
+ /**
+ * Get the effective interface contract imposed by the binding. For example,
+ * it will be interface contract introspected from the WSDL portType used by
+ * the endpoint for a WebService binding.
+ *
+ * @return The effective interface contract, if null is returned, the
+ * interface contract for the component service will be used
+ */
+ InterfaceContract getBindingInterfaceContract();
+
+ /**
+ * For bindings that invoke one-way callback operations asynchronously,
+ * there is no need to perform a thread switch before calling the invoker.
+ * This method indicates whether the binding has this capability.
+ *
+ * @return true if the callback invoker is able to invoke one-way operations
+ * asynchronously, false if all invocations are synchronous
+ */
+ boolean supportsOneWayInvocation();
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProviderRRB.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProviderRRB.java
new file mode 100644
index 0000000000..278bb23e0a
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ServiceBindingProviderRRB.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.sca.provider;
+
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+
+/**
+ * TODO RRB experiment
+ * This is an experiment extension to try out the request response
+ * binding function
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ServiceBindingProviderRRB extends ServiceBindingProvider {
+
+ void configureBindingChain(RuntimeWire runtimeWire);
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/WireFormatProvider.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/WireFormatProvider.java
new file mode 100644
index 0000000000..a7bca9afba
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/WireFormatProvider.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.sca.provider;
+
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.invocation.Interceptor;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public interface WireFormatProvider {
+
+ /*
+ * Return the contract that describes the interface that
+ * is providing data to or accepting data from the
+ * wire format interceptor. The wire formats job
+ * is to translate between this interface contract and the
+ * format on the wire
+ * @return the wire format interface contract
+ */
+ InterfaceContract getWireFormatInterfaceContract();
+
+ /**
+ * Create an interceptor for the wire format
+ * @return An interceptor that realize the policySet
+ */
+ Interceptor createInterceptor();
+
+ /**
+ * Get the phase that the interceptor should be added
+ * @return The phase that this interceptor belongs to
+ */
+ String getPhase();
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/WireFormatProviderFactory.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/WireFormatProviderFactory.java
new file mode 100644
index 0000000000..fd748df6ca
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/WireFormatProviderFactory.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.sca.provider;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.WireFormat;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public interface WireFormatProviderFactory<M extends WireFormat> extends ProviderFactory<M> {
+ /**
+ * Create wire format provider for a given reference binding
+ * @param component
+ * @param reference
+ * @param binding
+ * @return
+ */
+ WireFormatProvider createReferenceWireFormatProvider(RuntimeComponent component,
+ RuntimeComponentReference reference,
+ Binding binding);
+
+ /**
+ * Create policy provider for a given service binding
+ * @param component
+ * @param service
+ * @param binding
+ * @return
+ */
+ WireFormatProvider createServiceWireFormatProvider(RuntimeComponent component,
+ RuntimeComponentService service,
+ Binding binding);
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/DefaultWireProcessorExtensionPoint.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/DefaultWireProcessorExtensionPoint.java
new file mode 100644
index 0000000000..851afee3c1
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/DefaultWireProcessorExtensionPoint.java
@@ -0,0 +1,63 @@
+/*
+ * 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.sca.runtime;
+
+import java.util.ArrayList;
+import java.util.List;
+
+
+/**
+ * The default implementation of a <code>WireProcessorExtensionPoint</code>
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefaultWireProcessorExtensionPoint implements RuntimeWireProcessorExtensionPoint {
+
+ /**
+ * The list of WireProcessors available to the runtime
+ */
+ private final List<RuntimeWireProcessor> processors = new ArrayList<RuntimeWireProcessor>();
+
+ /**
+ * Registers a wire-processor in the runtime
+ *
+ * @param processor The processor to register
+ */
+ public void addWireProcessor(RuntimeWireProcessor processor) {
+ processors.add(processor);
+ }
+
+ /**
+ * De-registers a wire-processor in the runtime
+ *
+ * @param processor The processor to de-register
+ */
+ public void removeWireProcessor(RuntimeWireProcessor processor) {
+ processors.remove(processor);
+ }
+
+ /**
+ * Returns a list of registered wire-processors.
+ *
+ * @return The list of wire processors
+ */
+ public List<RuntimeWireProcessor> getWireProcessors() {
+ return processors;
+ }
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/EndpointListener.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/EndpointListener.java
new file mode 100644
index 0000000000..4fa0fbd85f
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/EndpointListener.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.sca.runtime;
+
+import java.util.EventListener;
+
+import org.apache.tuscany.sca.assembly.Endpoint;
+
+/**
+ * A listener for endpoint events
+ */
+public interface EndpointListener extends EventListener {
+ /**
+ * The method is invoked when a new endpoint is added to the registry
+ * @param endpoint
+ */
+ void endpointAdded(Endpoint endpoint);
+ /**
+ * The method is invoked when an endpoint is removed the registry
+ * @param endpoint
+ */
+ void endpointRemoved(Endpoint endpoint);
+ /**
+ * The method is invoked when an endpoint is updated in the registry
+ * @param oldEndpoint
+ * @param newEndpoint
+ */
+ void endpointUpdated(Endpoint oldEndpoint, Endpoint newEndpoint);
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/EndpointRegistry.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/EndpointRegistry.java
new file mode 100644
index 0000000000..f449fefa9c
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/EndpointRegistry.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.sca.runtime;
+
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+
+/**
+ * The EndpointRegistry holds the active service endpoints for the SCA domain
+ */
+public interface EndpointRegistry {
+ void addEndpoint(Endpoint endpoint);
+ void removeEndpoint(Endpoint endpoint);
+
+ Endpoint getEndpoint(String uri);
+ void updateEndpoint(String uri, Endpoint endpoint);
+ List<Endpoint> findEndpoint(EndpointReference endpointReference);
+ List<Endpoint> getEndpoints();
+
+ void addEndpointReference(EndpointReference endpointReference);
+ void removeEndpointReference(EndpointReference endpointReference);
+ List<EndpointReference> findEndpointReference(Endpoint endpoint);
+ List<EndpointReference> getEndpointRefereneces();
+
+ void addListener(EndpointListener listener);
+ void removeListener(EndpointListener listener);
+ List<EndpointListener> getListeners();
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/ReferenceParameters.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/ReferenceParameters.java
new file mode 100644
index 0000000000..db78eae395
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/ReferenceParameters.java
@@ -0,0 +1,71 @@
+/*
+ * 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.sca.runtime;
+
+import org.apache.tuscany.sca.assembly.EndpointReference;
+
+/**
+ * Parameters for the EndPointReference
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ReferenceParameters extends Cloneable {
+ /**
+ * Get the callback ID
+ * @return the callbackID
+ */
+ Object getCallbackID();
+
+ /**
+ * Set the callback ID
+ * @param callbackID the callbackID to set
+ */
+ void setCallbackID(Object callbackID);
+
+ /**
+ * Get the conversation ID
+ * @return the conversationID
+ */
+ Object getConversationID();
+
+ /**
+ * Set the conversation ID
+ * @param conversationID the conversationID to set
+ */
+ void setConversationID(Object conversationID);
+
+ /**
+ * Get the ID for the non-ServiceReference callback object
+ * @return
+ */
+ Object getCallbackObjectID();
+
+ /**
+ * Set the ID for the non-ServiceReference callback object
+ * @param callbackObjectID
+ */
+ void setCallbackObjectID(Object callbackObjectID);
+
+ EndpointReference getCallbackReference();
+
+ void setCallbackReference(EndpointReference callback);
+
+ Object clone() throws CloneNotSupportedException;
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponent.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponent.java
new file mode 100644
index 0000000000..30bba78a40
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponent.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.sca.runtime;
+
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.provider.PolicyProvider;
+
+/**
+ * The runtime component interface. Provides the bridge between the
+ * assembly model representation of a component and its runtime
+ * realization.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface RuntimeComponent extends Component {
+ /**
+ * Set the implementation-specific configuration for this component
+ * @param implementationProvider The object that manages the component implementation
+ */
+ void setImplementationProvider(ImplementationProvider implementationProvider);
+
+ /**
+ * Get the implementation-specific configuration for this component
+ * @return The implementation provider for this component
+ */
+ ImplementationProvider getImplementationProvider();
+
+ /**
+ * Get the associated component context
+ * @return
+ */
+ RuntimeComponentContext getComponentContext();
+
+ /**
+ * Set the associated component context
+ * @param context
+ */
+ void setComponentContext(RuntimeComponentContext context);
+
+ /**
+ * Tests if the RuntimeComponent is started
+ * @return true if the RuntimeComponent is started otherwise false
+ */
+ boolean isStarted();
+
+ /**
+ * Sets the RuntimeComponent started state
+ * @param started the state to set
+ */
+ void setStarted(boolean started);
+
+ /**
+ * Add a policy provider to the component
+ * @param policyProvider
+ */
+ void addPolicyProvider(PolicyProvider policyProvider);
+
+ /**
+ * Get a list of policy providers configured for this component
+ * @return
+ */
+ List<PolicyProvider> getPolicyProviders();
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponentContext.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponentContext.java
new file mode 100644
index 0000000000..d87ba4e1b6
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponentContext.java
@@ -0,0 +1,107 @@
+/*
+ * 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.sca.runtime;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.io.Writer;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.oasisopen.sca.CallableReference;
+import org.oasisopen.sca.ComponentContext;
+import org.oasisopen.sca.ServiceReference;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public interface RuntimeComponentContext extends ComponentContext {
+ /**
+ * Activate the reference (creating runtime wires)
+ * @param reference
+ */
+ void start(RuntimeComponentReference reference);
+
+ /**
+ * Deserialize the component reference
+ * @param reader
+ * @return A component that contains the reference
+ * @throws IOException
+ */
+ RuntimeComponent read(Reader reader) throws IOException;
+
+ /**
+ * Serialize the component reference
+ * @param reference
+ * @param writer
+ * @throws IOException
+ */
+ void write(RuntimeComponentReference reference, Writer writer) throws IOException;
+
+ /**
+ * Get the CallableReference for a given component reference
+ * @param <B>
+ * @param businessInterface The business interface
+ * @param reference The reference to be wired
+ * @param endpointReference The endpointReference to be used
+ * @return A service reference representing the wire
+ */
+ <B> ServiceReference<B> getServiceReference(Class<B> businessInterface,
+ RuntimeComponentReference reference,
+ EndpointReference endpointReference);
+
+ /**
+ * Bind the reference to a target component/componentService
+ * @param <B>
+ * @param businessInterface The business interface
+ * @param reference The reference to be wired
+ * @param component The target component
+ * @param service The target component service
+ * @return A service reference representing the wire
+ */
+ <B> ServiceReference<B> getServiceReference(Class<B> businessInterface,
+ RuntimeComponentReference reference,
+ RuntimeComponent component,
+ RuntimeComponentService service);
+
+ /**
+ * Create a CallableReference for the given component service
+ * @param <B>
+ * @param businessInterface
+ * @param component
+ * @param service
+ * @return
+ */
+ <B> CallableReference<B> getCallableReference(Class<B> businessInterface,
+ RuntimeComponent component,
+ RuntimeComponentService service);
+
+ /**
+ * @param <B>
+ * @param businessInterface
+ * @param service
+ * @return
+ */
+ <B> ServiceReference<B> createSelfReference(Class<B> businessInterface, ComponentService service);
+
+ ExtensionPointRegistry getExtensionPointRegistry();
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponentReference.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponentReference.java
new file mode 100644
index 0000000000..0105abd6e4
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponentReference.java
@@ -0,0 +1,108 @@
+/*
+ * 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.sca.runtime;
+
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.provider.PolicyProvider;
+import org.apache.tuscany.sca.provider.ReferenceBindingProvider;
+
+/**
+ * The runtime component reference. Provides the bridge between the
+ * assembly model representation of a component reference and its runtime
+ * realization
+ *
+ * @version $Rev$ $Date$
+ */
+public interface RuntimeComponentReference extends ComponentReference {
+
+ /**
+ * Get a list of runtime wires to the reference
+ *
+ * @return The list of wires
+ */
+ List<RuntimeWire> getRuntimeWires();
+
+ /**
+ * Get the runtime wire for the given binding
+ * @param binding The assembly model binding
+ * @return The runtime wire
+ */
+ RuntimeWire getRuntimeWire(Binding binding);
+
+ /**
+ * Get the runtime wire for the given endpoint reference
+ * @param endpointReference The assembly model endpoint reference
+ * @return The runtime wire
+ */
+ RuntimeWire getRuntimeWire(EndpointReference endpointReference);
+
+ /**
+ * Returns the reference binding provider associated with this
+ * component reference and the given binding.
+ *
+ * @param binding The assembly model binding
+ * @return The runtime reference binding provider
+ */
+ ReferenceBindingProvider getBindingProvider(Binding binding);
+
+ /**
+ * Sets the reference binding provider associated with this
+ * component reference and the given binding.
+ *
+ * @param binding The assembly model binding
+ * @param bindingProvider The runtime reference binding provider
+ */
+ void setBindingProvider(Binding binding, ReferenceBindingProvider bindingProvider);
+
+
+ /**
+ * Add a policy provider for the given binding to the reference
+ * @param binding The assembly model binding
+ * @param policyProvider The policy handler
+ */
+ void addPolicyProvider(Binding binding, PolicyProvider policyProvider);
+
+ /**
+ * Get a list of policy providers for the given binding
+ * @param binding The assembly model binding
+ * @return A list of policy providers for the given binding
+ */
+ List<PolicyProvider> getPolicyProviders(Binding binding);
+
+ /**
+ * Get the invoker for the given binding and operation
+ * @param binding The assembly model binding
+ * @param operation The assembly model operation
+ * @return The runtime Invoker
+ */
+ Invoker getInvoker(Binding binding, Operation operation);
+
+ /**
+ * Set the owning component
+ * @param component
+ */
+ void setComponent(RuntimeComponent component);
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponentService.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponentService.java
new file mode 100644
index 0000000000..982724d798
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponentService.java
@@ -0,0 +1,138 @@
+/*
+ * 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.sca.runtime;
+
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.InvocationChain;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.provider.PolicyProvider;
+import org.apache.tuscany.sca.provider.ServiceBindingProvider;
+
+/**
+ * The runtime component service. Provides the bridge between the
+ * assembly model representation of a component service and its runtime
+ * realization
+ *
+ * @version $Rev$ $Date$
+ */
+public interface RuntimeComponentService extends ComponentService {
+
+ /**
+ * Get a list of runtime wires to the service
+ *
+ * @return The list of wires
+ */
+ List<RuntimeWire> getRuntimeWires();
+ /**
+ * Get the runtime wire for the given binding
+ * @param binding The assembly model binding
+ * @return The runtime wire
+ */
+ RuntimeWire getRuntimeWire(Binding binding);
+
+ /**
+ * Get the callback wires associated with this service
+ *
+ * @return The list of runtime callback wires
+ */
+ List<RuntimeWire> getCallbackWires();
+
+ /**
+ * Returns the service binding provider associated with this
+ * component service and the given binding.
+ *
+ * @param binding The assembly model binding
+ * @return The runtime service binding provider
+ */
+ ServiceBindingProvider getBindingProvider(Binding binding);
+
+ /**
+ * Returns the service binding provider associated with this
+ * component service and the given binding.
+ *
+ * @param binding
+ * @param interfaceContract
+ * @return
+ */
+ RuntimeWire getRuntimeWire(Binding binding, InterfaceContract interfaceContract);
+
+ /**
+ * Sets the service binding provider associated with this
+ * component service and the given binding.
+ *
+ * @param binding The assembly model binding
+ * @param bindingProvider The runtime service binding provider
+ */
+ void setBindingProvider(Binding binding, ServiceBindingProvider bindingProvider);
+
+ /**
+ * Get the invoker for the given binding and operation
+ * @param binding The assembly model binding
+ * @param operation The assembly model operation
+ * @return The runtime invoker
+ */
+ Invoker getInvoker(Binding binding, Operation operation);
+
+ /**
+ * Get the invoker for the given binding and operation
+ * @param binding The assembly model binding
+ * @param interfaceContract the client interface contract
+ * @param operation The assembly model operation
+ * @return The runtime invoker
+ */
+ Invoker getInvoker(Binding binding, InterfaceContract interfaceContract, Operation operation);
+
+ /**
+ * Get the invocation chain for the given binding and operation
+ * @param binding The assembly model binding
+ * @param operation The assembly model operation
+ * @return The runtime invocation chain
+ */
+ InvocationChain getInvocationChain(Binding binding, Operation operation);
+
+ /**
+ * Get the invocation chain for the given binding and operation
+ * @param binding The assembly model binding
+ * @param operation The assembly model operation
+ * @param interfaceContract the client interface contract
+ * @return The runtime invocation chain
+ */
+ InvocationChain getInvocationChain(Binding binding, InterfaceContract interfaceContract, Operation operation);
+
+ /**
+ * Add a policy provider for the given binding to the service
+ * @param binding The assembly model binding
+ * @param policyProvider The policy handler
+ */
+ void addPolicyProvider(Binding binding, PolicyProvider policyProvider);
+
+ /**
+ * Get a list of policy providers for the given binding
+ * @param binding The assembly model binding
+ * @return A list of policy providers for the given binding
+ */
+ List<PolicyProvider> getPolicyProviders(Binding binding);
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeWire.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeWire.java
new file mode 100644
index 0000000000..0d9e4d1c86
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeWire.java
@@ -0,0 +1,112 @@
+/*
+ * 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.sca.runtime;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.InvocationChain;
+import org.apache.tuscany.sca.invocation.Message;
+
+/**
+ * The runtime wire interface that connects a component reference to a
+ * component service (or an external service) over the selected binding
+ *
+ * @version $Rev$ $Date$
+ */
+public interface RuntimeWire extends Cloneable {
+ /**
+ * return the endpoint reference that configured this wire
+ *
+ * @return the endpoint reference that configured this wire
+ */
+ EndpointReference getEndpointReference();
+
+ /**
+ * return the endpoint that configured this wire
+ *
+ * @return the endpoint that configured this wire
+ */
+ Endpoint getEndpoint();
+
+ /**
+ * Force the invocation chains to be rebuilt
+ */
+ void rebuild();
+
+ /**
+ * Returns the invocation chains for service operations associated with the
+ * wire
+ *
+ * @return the invocation chains for service operations associated with the
+ * wire
+ */
+ List<InvocationChain> getInvocationChains();
+
+ /**
+ * Lookup the invocation chain by operation
+ * @param operation The operation
+ * @return The invocation chain for the given operation
+ */
+ InvocationChain getInvocationChain(Operation operation);
+
+ /**
+ * Get the invocation chain for the binding-specific handling
+ * @return
+ */
+ InvocationChain getBindingInvocationChain();
+
+ /**
+ * This invoke method assumes that the binding invocation chain is in force
+ * and that there will be an operation selector element there to
+ * determine which operation to call
+ * @param msg The message
+ * @return The result
+ * @throws InvocationTargetException
+ */
+ Object invoke(Message msg) throws InvocationTargetException;
+
+ /**
+ * Invoke an operation with given arguments
+ * @param operation The operation
+ * @param args The arguments
+ * @return The result
+ * @throws InvocationTargetException
+ */
+ Object invoke(Operation operation, Object[] args) throws InvocationTargetException;
+
+ /**
+ * Invoke an operation with a context message
+ * @param operation The operation
+ * @param msg The message
+ * @return The result
+ * @throws InvocationTargetException
+ */
+ Object invoke(Operation operation, Message msg) throws InvocationTargetException;
+
+ /**
+ * @return a clone of the runtime wire
+ * @throws CloneNotSupportedException
+ */
+ Object clone() throws CloneNotSupportedException;
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeWireProcessor.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeWireProcessor.java
new file mode 100644
index 0000000000..fbb7aae467
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeWireProcessor.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.sca.runtime;
+
+/**
+ * Implementations are called after wires are decorated with policy and before they are connected.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface RuntimeWireProcessor {
+
+ /**
+ * Process the runtime wire to add interceptors
+ *
+ * @param wire
+ */
+ void process(RuntimeWire wire);
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeWireProcessorExtensionPoint.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeWireProcessorExtensionPoint.java
new file mode 100644
index 0000000000..4b2c71b397
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeWireProcessorExtensionPoint.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.sca.runtime;
+
+import java.util.List;
+
+/**
+ * Acts as a delegating <code>WireProcessorExtensionPoint</code>, delegating
+ * processing of wires after policies have been applied and source and targets
+ * have been connected.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface RuntimeWireProcessorExtensionPoint {
+
+ /**
+ * Registers a wire-processor in the runtime
+ *
+ * @param processor The processor to register
+ */
+ void addWireProcessor(RuntimeWireProcessor processor);
+
+ /**
+ * De-registers a wire-processor in the runtime
+ *
+ * @param processor The processor to de-register
+ */
+ void removeWireProcessor(RuntimeWireProcessor processor);
+
+ /**
+ * Returns a list of registered wire-processors.
+ *
+ * @return The list of wire processors
+ */
+ List<RuntimeWireProcessor> getWireProcessors();
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/work/NotificationListener.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/work/NotificationListener.java
new file mode 100644
index 0000000000..d32af450ff
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/work/NotificationListener.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.sca.work;
+
+/**
+ * A callback interface that can be optionally used for registering
+ * interest in status of asynchronously scheduled unit of work.
+ *
+ * @version $Rev$ $Date$
+ */
+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 successfully 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);
+
+ /**
+ * Callback 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/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/work/WorkScheduler.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/work/WorkScheduler.java
new file mode 100644
index 0000000000..b1beac78e2
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/work/WorkScheduler.java
@@ -0,0 +1,58 @@
+/*
+ * 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.sca.work;
+
+/**
+ * Defines the contract for scheduling asynchronous 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 notified with the
+ * error details.
+ * </p>
+ *
+ * @version $Rev$ $Date$
+ */
+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);
+
+ /**
+ * Destroys the work scheduler
+ */
+ void destroy();
+
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/work/WorkSchedulerException.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/work/WorkSchedulerException.java
new file mode 100644
index 0000000000..18ec2dfeaa
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache/tuscany/sca/work/WorkSchedulerException.java
@@ -0,0 +1,59 @@
+/*
+ * 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.sca.work;
+
+
+/**
+ * Exception thrown by the work scheduler in case of unexpected exceptions.
+ *
+ * @version $Rev$ $Date$
+ *
+ * @version $Rev$ $Date$
+ */
+public class WorkSchedulerException extends RuntimeException {
+ private static final long serialVersionUID = 1L;
+
+ /**
+ * {@inheritDoc}
+ */
+ public WorkSchedulerException() {
+ super();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public WorkSchedulerException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public WorkSchedulerException(String message) {
+ super(message);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public WorkSchedulerException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.context.ContextFactoryExtensionPoint b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.context.ContextFactoryExtensionPoint
new file mode 100644
index 0000000000..ddd91bceac
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.context.ContextFactoryExtensionPoint
@@ -0,0 +1,18 @@
+# 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.
+
+org.apache.tuscany.sca.context.DefaultContextFactoryExtensionPoint
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.endpointresolver.EndpointResolverFactoryExtensionPoint b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.endpointresolver.EndpointResolverFactoryExtensionPoint
new file mode 100644
index 0000000000..91839e998f
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.endpointresolver.EndpointResolverFactoryExtensionPoint
@@ -0,0 +1,18 @@
+# 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.
+
+org.apache.tuscany.sca.endpointresolver.DefaultEndpointResolverFactoryExtensionPoint
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.DefinitionsProviderExtensionPoint b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.DefinitionsProviderExtensionPoint
new file mode 100644
index 0000000000..b7501e854e
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.DefinitionsProviderExtensionPoint
@@ -0,0 +1,19 @@
+# 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.
+
+org.apache.tuscany.sca.provider.DefaultDefinitionsProviderExtensionPoint
+ \ No newline at end of file
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint
new file mode 100644
index 0000000000..e9de1f135f
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint
@@ -0,0 +1,18 @@
+# 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.
+
+org.apache.tuscany.sca.provider.DefaultProviderFactoryExtensionPoint
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.runtime.RuntimeWireProcessorExtensionPoint b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.runtime.RuntimeWireProcessorExtensionPoint
new file mode 100644
index 0000000000..95591dca5d
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/resources/META-INF/services/org.apache.tuscany.sca.runtime.RuntimeWireProcessorExtensionPoint
@@ -0,0 +1,18 @@
+# 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.
+
+org.apache.tuscany.sca.runtime.DefaultWireProcessorExtensionPoint
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/test/java/org/apache/tuscany/sca/context/DefaultContextFactoryExtensionPointTestCase.java b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/test/java/org/apache/tuscany/sca/context/DefaultContextFactoryExtensionPointTestCase.java
new file mode 100644
index 0000000000..6486a5ed4f
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/core-spi/src/test/java/org/apache/tuscany/sca/context/DefaultContextFactoryExtensionPointTestCase.java
@@ -0,0 +1,207 @@
+/*
+ * 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.sca.context;
+
+import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * This test case will test the class
+ * org.apache.tuscany.sca.context.DefaultContextFactoryExtensionPoint
+ *
+ * $Date$ $Rev$
+ */
+public class DefaultContextFactoryExtensionPointTestCase {
+
+ /**
+ * Tests adding/getting/removing a factory with no interfaces
+ */
+ @Test
+ public void testFactoryWithNoInterfaces() {
+ Object factory = new FactoryWithNoInterfaces();
+ Class<?>[] ifaces = {};
+ addGetRemoveFactory(factory, ifaces);
+ }
+
+ /**
+ * Tests adding/getting/removing a factory with one interface
+ */
+ @Test
+ public void testFactoryWithOneInterface() {
+ Object factory = new FactoryWithOneInterface();
+ Class<?>[] ifaces = { FactoryOneInterface.class };
+ addGetRemoveFactory(factory, ifaces);
+ }
+
+ /**
+ * Tests adding/getting/removing a factory with two interfaces
+ */
+ @Test
+ public void testFactoryWithTwoInterfaces() {
+ Object factory = new FactoryWithTwoInterfaces();
+ Class<?>[] ifaces = { FactoryTwoInterfacesA.class, FactoryTwoInterfacesB.class };
+ addGetRemoveFactory(factory, ifaces);
+ }
+
+ /**
+ * Tests having multiple factories registered
+ */
+ @Test
+ public void testMultipleFactories() {
+ // Create new factories
+ FactoryWithOneInterface factory1 = new FactoryWithOneInterface();
+ FactoryWithTwoInterfaces factory2 = new FactoryWithTwoInterfaces();
+
+ ExtensionPointRegistry registry = new DefaultExtensionPointRegistry();
+
+ // Register the factories
+ DefaultContextFactoryExtensionPoint ctxFactory = new DefaultContextFactoryExtensionPoint(registry);
+ ctxFactory.addFactory(factory1);
+ ctxFactory.addFactory(factory2);
+
+ // Re-get each of the factories
+ FactoryOneInterface regotFactory1 = ctxFactory.getFactory(FactoryOneInterface.class);
+ Assert.assertNotNull(regotFactory1);
+ Assert.assertSame(factory1, regotFactory1);
+ FactoryTwoInterfacesA regotFactory2A = ctxFactory.getFactory(FactoryTwoInterfacesA.class);
+ Assert.assertNotNull(regotFactory2A);
+ Assert.assertSame(factory2, regotFactory2A);
+ FactoryTwoInterfacesB regotFactory2B = ctxFactory.getFactory(FactoryTwoInterfacesB.class);
+ Assert.assertNotNull(regotFactory1);
+ Assert.assertSame(factory2, regotFactory2B);
+ }
+
+ /**
+ * Tests passing in null to addFactory()
+ */
+ @Test
+ public void testAddingNullFactory() {
+
+ ExtensionPointRegistry registry = new DefaultExtensionPointRegistry();
+ DefaultContextFactoryExtensionPoint ctxFactory = new DefaultContextFactoryExtensionPoint(registry);
+ try {
+ ctxFactory.addFactory(null);
+ Assert.fail("Should have thrown IllegalArgumentException");
+ } catch (IllegalArgumentException ex) {
+ // As expected
+ }
+ }
+
+ /**
+ * Test passing in null to removeFactory()
+ */
+ @Test
+ public void testRemovingNullFactory() {
+ ExtensionPointRegistry registry = new DefaultExtensionPointRegistry();
+ DefaultContextFactoryExtensionPoint ctxFactory = new DefaultContextFactoryExtensionPoint(registry);
+ try {
+ ctxFactory.removeFactory(null);
+ Assert.fail("Should have thrown IllegalArgumentException");
+ } catch (IllegalArgumentException ex) {
+ // As expected
+ }
+ }
+
+ /**
+ * Test passing in null to getFactory()
+ */
+ @Test
+ public void testGetNullFactory() {
+ ExtensionPointRegistry registry = new DefaultExtensionPointRegistry();
+ DefaultContextFactoryExtensionPoint ctxFactory = new DefaultContextFactoryExtensionPoint(registry);
+ try {
+ ctxFactory.getFactory(null);
+ Assert.fail("Should have thrown IllegalArgumentException");
+ } catch (IllegalArgumentException ex) {
+ // As expected
+ }
+ }
+
+ /**
+ * Utility method for testing adding and removing a factory
+ *
+ * @param factory The factory class to test
+ * @param factoryInterfaces The list of interfaces implemented by the factory
+ */
+ private void addGetRemoveFactory(Object factory, Class<?>[] factoryInterfaces) {
+ ExtensionPointRegistry registry = new DefaultExtensionPointRegistry();
+ DefaultContextFactoryExtensionPoint ctxFactory = new DefaultContextFactoryExtensionPoint(registry);
+
+ // Make sure factory not already present
+ for (Class<?> iface : factoryInterfaces) {
+ Assert.assertNull(ctxFactory.getFactory(iface));
+ }
+
+ // Add the factory
+ ctxFactory.addFactory(factory);
+
+ // Make sure we can get the factory recently registered factory
+ for (Class<?> iface : factoryInterfaces) {
+ Object regot = ctxFactory.getFactory(iface);
+ Assert.assertNotNull(regot);
+ Assert.assertSame(factory, regot);
+ }
+
+ // Remove the factory
+ ctxFactory.removeFactory(factory);
+
+ // Make sure factory is no longer registered
+ for (Class<?> iface : factoryInterfaces) {
+ Assert.assertNull(ctxFactory.getFactory(iface));
+ }
+ }
+
+ /**
+ * Simple factory with no interfaces
+ */
+ private class FactoryWithNoInterfaces {
+ }
+
+ /**
+ * Simple interface for the factory with one interface
+ */
+ private interface FactoryOneInterface {
+ }
+
+ /**
+ * Simple factory with one interface
+ */
+ private class FactoryWithOneInterface implements FactoryOneInterface {
+ }
+
+ /**
+ * Simple interface for the factory with two interfaces
+ */
+ private interface FactoryTwoInterfacesA {
+ }
+
+ /**
+ * Simple interface for the factory with two interfaces
+ */
+ private interface FactoryTwoInterfacesB {
+ }
+
+ /**
+ * Simple factory with two interfaces
+ */
+ private class FactoryWithTwoInterfaces implements FactoryTwoInterfacesA, FactoryTwoInterfacesB {
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 12:02:10 +0000