diff options
Diffstat (limited to 'tags/java/sca/2.0-M3-RC4/modules/core-spi/src/main/java/org/apache')
49 files changed, 3355 insertions, 0 deletions
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); + } +} |