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authordims <dims@13f79535-47bb-0310-9956-ffa450edef68>2008-06-17 00:23:01 +0000
committerdims <dims@13f79535-47bb-0310-9956-ffa450edef68>2008-06-17 00:23:01 +0000
commitbdd0a41aed7edf21ec2a65cfa17a86af2ef8c48a (patch)
tree38a92061c0793434c4be189f1d70c3458b6bc41d /java/sca/modules/core/src/main
Move Tuscany from Incubator to top level.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@668359 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'java/sca/modules/core/src/main')
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/ActivationException.java37
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/CompositeActivator.java154
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/CompositeActivatorImpl.java1089
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/EndpointReferenceImpl.java186
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/EndpointWireImpl.java162
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/ReferenceParameterProcessor.java101
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/ReferenceParametersImpl.java139
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeAssemblyFactory.java53
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeComponentImpl.java106
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeComponentReferenceImpl.java139
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeComponentServiceImpl.java158
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeWireImpl.java377
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/CallableReferenceImpl.java539
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ComponentContextHelper.java320
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ComponentContextImpl.java396
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/DefaultComponentContextFactory.java70
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/InstanceWrapper.java48
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/RequestContextImpl.java105
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ServiceReferenceImpl.java132
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ConversationListener.java40
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ConversationManager.java71
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ConversationManagerImpl.java215
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ConversationState.java29
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ExtendedConversation.java66
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ExtendedConversationImpl.java265
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/BaseEventPublisher.java89
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/ComponentStart.java54
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/ComponentStop.java53
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/ConversationEnd.java53
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/ConversationStart.java52
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/HttpSessionEnd.java53
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/HttpSessionStart.java52
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/RequestEnd.java45
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/RequestStart.java45
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/factory/ObjectCreationException.java47
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/factory/ObjectFactory.java35
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallableReferenceObjectFactory.java63
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallbackInterfaceInterceptor.java57
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallbackReferenceImpl.java271
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallbackReferenceObjectFactory.java48
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallbackWireObjectFactory.java47
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CglibProxyFactory.java151
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/DefaultProxyFactoryExtensionPoint.java74
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ExtensibleProxyFactory.java113
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ExtensibleWireProcessor.java44
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/InvocationChainImpl.java189
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKCallbackInvocationHandler.java110
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKInvocationHandler.java516
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKProxyFactory.java103
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/MessageFactoryImpl.java36
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/MessageImpl.java104
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/NoMethodForOperationException.java43
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/NonBlockingInterceptor.java190
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/PhaseManager.java247
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/PhaseSorter.java236
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ProxyCreationException.java48
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ProxyFactory.java87
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ProxyFactoryExtensionPoint.java53
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/RuntimeWireInvoker.java245
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/TargetInvocationException.java45
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ThreadMessageContext.java72
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/WireObjectFactory.java54
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/AbstractScopeContainer.java200
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainer.java77
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainerFactory.java37
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ConversationalScopeContainer.java288
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ConversationalScopeContainerFactory.java44
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/HttpSessionScopeContainer.java83
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/HttpSessionScopeContainerFactory.java41
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/RequestScopeContainer.java86
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/RequestScopeContainerFactory.java37
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/Scope.java66
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeContainer.java159
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeContainerFactory.java32
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeRegistry.java43
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeRegistryImpl.java62
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopedImplementationProvider.java65
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopedRuntimeComponent.java40
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/StatelessScopeContainer.java55
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/StatelessScopeContainerFactory.java37
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetDestructionException.java44
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetInitializationException.java44
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetNotFoundException.java44
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetResolutionException.java44
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/store/MemoryStore.java195
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/Jsr237Work.java65
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/Jsr237WorkScheduler.java192
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/ThreadPoolWorkManager.java235
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/WorkEventImpl.java76
-rw-r--r--java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/WorkItemImpl.java169
-rw-r--r--java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor19
-rw-r--r--java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.conversation.ConversationManager18
-rw-r--r--java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint18
-rw-r--r--java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.invocation.MessageFactory18
-rw-r--r--java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.work.WorkScheduler18
95 files changed, 11472 insertions, 0 deletions
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/ActivationException.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/ActivationException.java
new file mode 100644
index 0000000000..c86c876075
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/ActivationException.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.core.assembly;
+
+
+/**
+ * Denotes an error starting the runtime
+ *
+ * @version $Rev$ $Date$
+ */
+public class ActivationException extends Exception {
+ private static final long serialVersionUID = 8612661660934426123L;
+
+ public ActivationException(String message) {
+ super(message);
+ }
+
+ public ActivationException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/CompositeActivator.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/CompositeActivator.java
new file mode 100644
index 0000000000..29dcc20f0b
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/CompositeActivator.java
@@ -0,0 +1,154 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.core.assembly;
+
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.core.context.ComponentContextHelper;
+import org.apache.tuscany.sca.core.conversation.ConversationManager;
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * Start/stop a composite
+ *
+ * @version $Rev$ $Date$
+ */
+public interface CompositeActivator {
+ /**
+ * Activate a composite
+ * @param composite
+ */
+ void activate(Composite composite) throws ActivationException;
+
+ /**
+ * Activate a component reference
+ * @param component
+ * @param ref
+ */
+ void start(RuntimeComponent component, RuntimeComponentReference ref);
+
+ /**
+ * Activate a component reference
+ * @param component
+ * @param ref
+ */
+ void activate(RuntimeComponent component, RuntimeComponentReference ref);
+
+ /**
+ * Activate a component reference
+ * @param component
+ * @param ref
+ */
+ void activate(RuntimeComponent component, RuntimeComponentService service);
+
+ /**
+ * De-activate a component reference
+ * @param component
+ * @param ref
+ */
+ void deactivate(RuntimeComponent component, RuntimeComponentReference ref);
+
+ /**
+ * De-activate a component reference
+ * @param component
+ * @param ref
+ */
+ void deactivate(RuntimeComponent component, RuntimeComponentService service);
+
+ /**
+ * Stop a composite
+ * @param composite
+ */
+ void deactivate(Composite composite) throws ActivationException;
+
+ /**
+ * Start a component
+ * @param component
+ */
+ void start(Component component) throws ActivationException;
+
+ /**
+ * Stop a component
+ * @param component
+ */
+ void stop(Component component) throws ActivationException;
+
+ /**
+ * Start components in a composite
+ * @param composite
+ */
+ void start(Composite composite) throws ActivationException;
+
+ /**
+ * Stop components in a composite
+ * @param composite
+ */
+ void stop(Composite composite) throws ActivationException;
+
+ /**
+ * Get the component context helper
+ * @return
+ */
+ ComponentContextHelper getComponentContextHelper();
+
+ /**
+ * Get the proxy factory
+ * @return
+ */
+ ProxyFactory getProxyFactory();
+
+ /**
+ * Get the java interface factory
+ * @return
+ */
+ JavaInterfaceFactory getJavaInterfaceFactory();
+
+ ConversationManager getConversationManager();
+
+ /**
+ * Configure the runtime component with component context
+ * @param component
+ */
+ void configureComponentContext(RuntimeComponent component);
+
+ /**
+ * Resolve a component by URI in the domain
+ * @param componentURI
+ * @return
+ */
+ Component resolve(String componentURI);
+
+ /**
+ * Set the domain composite
+ * @param domainComposite
+ */
+ void setDomainComposite(Composite domainComposite);
+
+ /**
+ * Get the domain composite
+ * @return
+ */
+ Composite getDomainComposite();
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/CompositeActivatorImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/CompositeActivatorImpl.java
new file mode 100644
index 0000000000..d205cbf823
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/CompositeActivatorImpl.java
@@ -0,0 +1,1089 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.assembly;
+
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.CompositeService;
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.OptimizableBinding;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.SCABindingFactory;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.context.RequestContextFactory;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.core.context.ComponentContextHelper;
+import org.apache.tuscany.sca.core.context.ComponentContextImpl;
+import org.apache.tuscany.sca.core.conversation.ConversationManager;
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.core.scope.ConversationalScopeContainer;
+import org.apache.tuscany.sca.core.scope.Scope;
+import org.apache.tuscany.sca.core.scope.ScopeContainer;
+import org.apache.tuscany.sca.core.scope.ScopeRegistry;
+import org.apache.tuscany.sca.core.scope.ScopedRuntimeComponent;
+import org.apache.tuscany.sca.endpointresolver.EndpointResolver;
+import org.apache.tuscany.sca.endpointresolver.EndpointResolverFactory;
+import org.apache.tuscany.sca.endpointresolver.EndpointResolverFactoryExtensionPoint;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+import org.apache.tuscany.sca.provider.BindingProviderFactory;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.provider.ImplementationProviderFactory;
+import org.apache.tuscany.sca.provider.PolicyProvider;
+import org.apache.tuscany.sca.provider.PolicyProviderFactory;
+import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint;
+import org.apache.tuscany.sca.provider.ReferenceBindingProvider;
+import org.apache.tuscany.sca.provider.ServiceBindingProvider;
+import org.apache.tuscany.sca.runtime.EndpointReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentContext;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.apache.tuscany.sca.runtime.RuntimeWireProcessor;
+import org.apache.tuscany.sca.work.WorkScheduler;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class CompositeActivatorImpl implements CompositeActivator {
+ private static final Logger logger = Logger.getLogger(CompositeActivatorImpl.class.getName());
+
+ private final AssemblyFactory assemblyFactory;
+ private final MessageFactory messageFactory;
+ private final InterfaceContractMapper interfaceContractMapper;
+ private final ScopeRegistry scopeRegistry;
+ private final WorkScheduler workScheduler;
+ private final RuntimeWireProcessor wireProcessor;
+ private final ProviderFactoryExtensionPoint providerFactories;
+ private final EndpointResolverFactoryExtensionPoint endpointResolverFactories;
+
+ private final RequestContextFactory requestContextFactory;
+ private final ProxyFactory proxyFactory;
+ private final JavaInterfaceFactory javaInterfaceFactory;
+ private final ConversationManager conversationManager;
+
+ private final ComponentContextHelper componentContextHelper;
+
+ private Composite domainComposite;
+
+ /**
+ * @param assemblyFactory
+ * @param interfaceContractMapper
+ * @param workScheduler
+ * @param conversationManager TODO
+ * @param workContext
+ * @param wirePostProcessorRegistry
+ */
+ public CompositeActivatorImpl(AssemblyFactory assemblyFactory,
+ MessageFactory messageFactory,
+ JavaInterfaceFactory javaInterfaceFactory,
+ SCABindingFactory scaBindingFactory,
+ InterfaceContractMapper interfaceContractMapper,
+ ScopeRegistry scopeRegistry,
+ WorkScheduler workScheduler,
+ RuntimeWireProcessor wireProcessor,
+ RequestContextFactory requestContextFactory,
+ ProxyFactory proxyFactory,
+ ProviderFactoryExtensionPoint providerFactories,
+ EndpointResolverFactoryExtensionPoint endpointResolverFactories,
+ StAXArtifactProcessorExtensionPoint processors,
+ ConversationManager conversationManager) {
+ this.assemblyFactory = assemblyFactory;
+ this.messageFactory = messageFactory;
+ this.interfaceContractMapper = interfaceContractMapper;
+ this.scopeRegistry = scopeRegistry;
+ this.workScheduler = workScheduler;
+ this.wireProcessor = wireProcessor;
+ this.providerFactories = providerFactories;
+ this.endpointResolverFactories = endpointResolverFactories;
+ this.javaInterfaceFactory = javaInterfaceFactory;
+ this.requestContextFactory = requestContextFactory;
+ this.proxyFactory = proxyFactory;
+ this.conversationManager = conversationManager;
+ this.componentContextHelper = new ComponentContextHelper(assemblyFactory, javaInterfaceFactory, processors);
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.core.assembly.CompositeActivator#activate(org.apache.tuscany.sca.runtime.RuntimeComponent, org.apache.tuscany.sca.runtime.RuntimeComponentReference)
+ */
+ public void activate(RuntimeComponent component, RuntimeComponentReference ref) {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Activating component reference: " + component.getURI() + "#" + ref.getName());
+ }
+ resolveTargets(ref);
+ for (Binding binding : ref.getBindings()) {
+ addReferenceBindingProvider(component, ref, binding);
+ }
+
+ for (Endpoint endpoint : ref.getEndpoints()){
+ // TODO - source component should be set in the builder but the
+ // way the builder is written it's difficult to get at it
+ endpoint.setSourceComponent(component);
+
+ addEndpointResolver(component, ref, endpoint);
+ }
+ }
+
+ public void start(RuntimeComponent component, RuntimeComponentReference ref) {
+ synchronized (ref) {
+ resolveTargets(ref);
+ for (Binding binding : ref.getBindings()) {
+ ReferenceBindingProvider provider = ref.getBindingProvider(binding);
+ if (provider == null) {
+ provider = addReferenceBindingProvider(component, ref, binding);
+ }
+ if (provider != null) {
+ provider.start();
+ }
+ addReferenceWire(component, ref, binding);
+ }
+
+ // targets now have an endpoint representation. We can use this to
+ // look for unresolved endpoints using dummy wires for late resolution
+ for (Endpoint endpoint : ref.getEndpoints()){
+ addReferenceEndpointWire(component, ref, endpoint);
+ }
+ }
+ }
+
+ public void stop(Component component, ComponentReference reference) {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Stopping component reference: " + component.getURI() + "#" + reference.getName());
+ }
+ RuntimeComponentReference runtimeRef = ((RuntimeComponentReference)reference);
+ for (Binding binding : reference.getBindings()) {
+ ReferenceBindingProvider bindingProvider = runtimeRef.getBindingProvider(binding);
+ if (bindingProvider != null) {
+ bindingProvider.stop();
+ }
+ }
+ }
+
+ public void deactivate(RuntimeComponent component, RuntimeComponentReference ref) {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Deactivating component reference: " + component.getURI() + "#" + ref.getName());
+ }
+ removeReferenceWires(ref);
+ for (Binding binding : ref.getBindings()) {
+ removeReferenceBindingProvider(component, ref, binding);
+ }
+
+ }
+
+ /**
+ * @param component
+ * @param reference
+ * @param binding
+ */
+ private EndpointResolver addEndpointResolver(RuntimeComponent component,
+ RuntimeComponentReference reference,
+ Endpoint endpoint){
+
+ // only create endpoint resolvers for unresolved endpoints currently
+ // this will also prevent a wire from being created later
+ if (!endpoint.isUnresolved()){
+ return null;
+ }
+
+ // This souldn't happen as the endpoint resolver extension point is in core-spi but
+ // just in case returning null here will mean that no wire is created and calling
+ // the reference will fail with NPE
+ if (endpointResolverFactories == null){
+ return null;
+ }
+
+ EndpointResolverFactory<Endpoint> resolverFactory =
+ (EndpointResolverFactory<Endpoint>)endpointResolverFactories.getEndpointResolverFactory(endpoint.getClass());
+
+ if (resolverFactory != null) {
+ @SuppressWarnings("unchecked")
+ EndpointResolver endpointResolver =
+ resolverFactory.createEndpointResolver(endpoint, null);
+ if (endpointResolver != null) {
+ ((RuntimeComponentReference)reference).setEndpointResolver(endpoint, endpointResolver);
+ }
+
+ return endpointResolver;
+ } else {
+ // TODO - for the time being allow the lack of an endpoint provider to be the
+ // switch to turn off endpoint processing
+ return null;
+ //throw new IllegalStateException("Endpoint provider factory not found for class: " + endpoint.getClass().getName());
+ }
+ }
+
+ public void addReferenceBindingProviderForEndpoint(Endpoint endpoint){
+ addReferenceBindingProvider((RuntimeComponent)endpoint.getSourceComponent(),
+ (RuntimeComponentReference)endpoint.getSourceComponentReference(),
+ endpoint.getSourceBinding());
+ }
+
+ /**
+ * @param component
+ * @param reference
+ * @param binding
+ */
+ private ReferenceBindingProvider addReferenceBindingProvider(RuntimeComponent component,
+ RuntimeComponentReference reference,
+ Binding binding) {
+ BindingProviderFactory providerFactory =
+ (BindingProviderFactory)providerFactories.getProviderFactory(binding.getClass());
+ if (providerFactory != null) {
+ @SuppressWarnings("unchecked")
+ ReferenceBindingProvider bindingProvider =
+ providerFactory.createReferenceBindingProvider((RuntimeComponent)component,
+ (RuntimeComponentReference)reference,
+ binding);
+ if (bindingProvider != null) {
+ ((RuntimeComponentReference)reference).setBindingProvider(binding, bindingProvider);
+ }
+ for (PolicyProviderFactory f : providerFactories.getPolicyProviderFactories()) {
+ PolicyProvider policyProvider = f.createReferencePolicyProvider(component, reference, binding);
+ if (policyProvider != null) {
+ reference.addPolicyProvider(binding, policyProvider);
+ }
+ }
+
+ return bindingProvider;
+ } else {
+ throw new IllegalStateException("Provider factory not found for class: " + binding.getClass().getName());
+ }
+ }
+
+ /**
+ * @param reference
+ */
+ private void resolveTargets(RuntimeComponentReference reference) {
+ // The code that used to be here to resolved unresolved targets is now
+ // at the bottom of BaseWireBuilder.connectComponentReferences()
+ }
+
+ /**
+ * Create the runtime wires for a reference endpoint. Currently this method
+ * only deals with the late binding case and creates a dummy wire that
+ * will use the Endpoint to resolve the target at the point when the
+ * wire chains are created.
+ *
+ * @param component
+ * @param reference
+ * @param binding
+ */
+ private void addReferenceEndpointWire(Component component, ComponentReference reference, Endpoint endpoint) {
+ // only deal with unresolved endpoints as, to prevent breaking changes, targets that are resolved
+ // at build time are still represented as bindings in the binding list
+ if (((RuntimeComponentReference)reference).getEndpointResolver(endpoint) == null){
+ // no endpoint provider has previously been created so don't create the
+ // wire
+ return;
+ }
+
+ RuntimeWire wire = new EndpointWireImpl(endpoint, this);
+
+ RuntimeComponentReference runtimeRef = (RuntimeComponentReference)reference;
+ runtimeRef.getRuntimeWires().add(wire);
+ }
+
+
+ /**
+ * Create the runtime wires for a reference binding
+ *
+ * @param component
+ * @param reference
+ * @param binding
+ */
+ private void addReferenceWire(Component component, ComponentReference reference, Binding binding) {
+ if (!(reference instanceof RuntimeComponentReference)) {
+ return;
+ }
+
+ // create wire if binding has an endpoint
+ Component targetComponent = null;
+ ComponentService targetComponentService = null;
+ Binding targetBinding = null;
+
+ if (binding instanceof OptimizableBinding) {
+ OptimizableBinding endpoint = (OptimizableBinding)binding;
+ targetComponent = endpoint.getTargetComponent();
+ targetComponentService = endpoint.getTargetComponentService();
+ targetBinding = endpoint.getTargetBinding();
+ // FIXME: TUSCANY-2136, For unresolved binding, don't add wire. Is it the right solution?
+ if (!reference.isCallback() && binding.getURI() == null && targetComponentService == null) {
+ return;
+ }
+ }
+
+ // create a forward wire, either static or dynamic
+ addReferenceWire(component, reference, binding, targetComponent, targetComponentService, targetBinding);
+
+ /*
+ // if static forward wire (not from self-reference), try to create a static callback wire
+ if (targetComponentService != null && !reference.getName().startsWith("$self$.")) {
+ ComponentReference callbackReference = targetComponentService.getCallbackReference();
+ if (callbackReference != null) {
+ Binding callbackBinding = null;
+ Binding callbackServiceBinding = null;
+ // select a service callback binding that can be wired back to this component
+ for (Binding refBinding : callbackReference.getBindings()) {
+ // first look for a callback binding whose name matches the target binding name
+ if (refBinding.getName().equals(targetBinding.getName())) {
+ callbackBinding = refBinding;
+ break;
+ }
+ }
+ // see if there is a matching reference callback binding
+ if (callbackBinding != null) {
+ callbackServiceBinding = reference.getCallbackService().getBinding(callbackBinding.getClass());
+ }
+ // if there isn't an end-to-end match, try again based on target binding type
+ if (callbackBinding == null || callbackServiceBinding == null) {
+ callbackBinding = callbackReference.getBinding(targetBinding.getClass());
+ if (callbackBinding != null) {
+ callbackServiceBinding = reference.getCallbackService().getBinding(callbackBinding.getClass());
+ }
+ }
+ if (callbackBinding != null && callbackServiceBinding != null) {
+ // end-to-end match, so create a static callback wire as well as the static forward wire
+
+ addReferenceWire(targetComponent, callbackReference, callbackBinding, component, reference
+ .getCallbackService(), callbackServiceBinding);
+ } else {
+ // no end-to-end match, so do not create a static callback wire
+ }
+ }
+ }
+ */
+ }
+
+ public void addReferenceWireForEndpoint(Endpoint endpoint){
+ addReferenceWire(endpoint.getSourceComponent(),
+ endpoint.getSourceComponentReference(),
+ endpoint.getSourceBinding(),
+ endpoint.getTargetComponent(),
+ endpoint.getTargetComponentService(),
+ endpoint.getTargetBinding());
+ }
+ /**
+ * Create a reference wire for a forward call or a callback
+ * @param reference
+ * @param service
+ * @param serviceBinding
+ * @param component
+ * @param referenceBinding
+ */
+ private RuntimeWire addReferenceWire(Component refComponent,
+ ComponentReference reference,
+ Binding refBinding,
+ Component serviceComponent,
+ ComponentService service,
+ Binding serviceBinding) {
+ RuntimeComponentReference runtimeRef = (RuntimeComponentReference)reference;
+ InterfaceContract bindingContract = getInterfaceContract(reference, refBinding);
+
+ // Use the interface contract of the reference on the component type
+ Reference componentTypeRef = reference.getReference();
+ InterfaceContract sourceContract =
+ componentTypeRef == null ? reference.getInterfaceContract() : componentTypeRef.getInterfaceContract();
+ sourceContract = sourceContract.makeUnidirectional(false);
+
+ EndpointReference wireSource =
+ new EndpointReferenceImpl((RuntimeComponent)refComponent, reference, refBinding, sourceContract);
+ ComponentService callbackService = reference.getCallbackService();
+ if (callbackService != null) {
+ // select a reference callback binding to pass with invocations on this wire
+ Binding callbackBinding = null;
+ for (Binding binding : callbackService.getBindings()) {
+ // first look for a callback binding whose name matches the reference binding name
+ if (refBinding.getName().startsWith(binding.getName())) {
+ callbackBinding = binding;
+ break;
+ }
+ }
+ // if no callback binding found, try again based on reference binding type
+ if (callbackBinding == null) {
+ callbackBinding = callbackService.getBinding(refBinding.getClass());
+ }
+ InterfaceContract callbackContract = callbackService.getInterfaceContract();
+ EndpointReference callbackEndpoint =
+ new EndpointReferenceImpl((RuntimeComponent)refComponent, callbackService, callbackBinding,
+ callbackContract);
+ wireSource.setCallbackEndpoint(callbackEndpoint);
+ }
+
+ EndpointReference wireTarget =
+ new EndpointReferenceImpl((RuntimeComponent)serviceComponent, service, serviceBinding, bindingContract);
+
+ // TUSCANY-2029 - We should use the URI of the serviceBinding because the target may be a Component in a
+ // nested composite.
+ if (serviceBinding != null) {
+ wireTarget.setURI(serviceBinding.getURI());
+ }
+
+ RuntimeWire wire =
+ new RuntimeWireImpl(wireSource, wireTarget, interfaceContractMapper, workScheduler, wireProcessor,
+ messageFactory, conversationManager);
+ runtimeRef.getRuntimeWires().add(wire);
+
+ return wire;
+ }
+
+ private void addImplementationProvider(RuntimeComponent component, Implementation implementation) {
+ ImplementationProviderFactory providerFactory =
+ (ImplementationProviderFactory)providerFactories.getProviderFactory(implementation.getClass());
+ if (providerFactory != null) {
+ @SuppressWarnings("unchecked")
+ ImplementationProvider implementationProvider =
+ providerFactory.createImplementationProvider(component, implementation);
+ if (implementationProvider != null) {
+ component.setImplementationProvider(implementationProvider);
+ }
+ } else {
+ throw new IllegalStateException("Provider factory not found for class: " + implementation.getClass()
+ .getName());
+ }
+ for (PolicyProviderFactory f : providerFactories.getPolicyProviderFactories()) {
+ PolicyProvider policyProvider = f.createImplementationPolicyProvider(component, implementation);
+ if (policyProvider != null) {
+ component.addPolicyProvider(policyProvider);
+ }
+ }
+
+ }
+
+ private void removeImplementationProvider(RuntimeComponent component) {
+ component.setImplementationProvider(null);
+ component.getPolicyProviders().clear();
+ }
+
+ /**
+ * @param component
+ * @param service
+ * @param binding
+ */
+ private ServiceBindingProvider addServiceBindingProvider(RuntimeComponent component,
+ RuntimeComponentService service,
+ Binding binding) {
+ BindingProviderFactory providerFactory =
+ (BindingProviderFactory)providerFactories.getProviderFactory(binding.getClass());
+ if (providerFactory != null) {
+ @SuppressWarnings("unchecked")
+ ServiceBindingProvider bindingProvider =
+ providerFactory.createServiceBindingProvider((RuntimeComponent)component,
+ (RuntimeComponentService)service,
+ binding);
+ if (bindingProvider != null) {
+ ((RuntimeComponentService)service).setBindingProvider(binding, bindingProvider);
+ }
+ for (PolicyProviderFactory f : providerFactories.getPolicyProviderFactories()) {
+ PolicyProvider policyProvider = f.createServicePolicyProvider(component, service, binding);
+ if (policyProvider != null) {
+ service.addPolicyProvider(binding, policyProvider);
+ }
+ }
+ return bindingProvider;
+ } else {
+ throw new IllegalStateException("Provider factory not found for class: " + binding.getClass().getName());
+ }
+ }
+
+ private void removeServiceBindingProvider(RuntimeComponent component,
+ RuntimeComponentService service,
+ Binding binding) {
+ service.setBindingProvider(binding, null);
+ for (Binding b : service.getBindings()) {
+ List<PolicyProvider> pps = service.getPolicyProviders(b);
+ if (pps != null) {
+ pps.clear();
+ }
+ }
+ }
+
+ private void removeReferenceBindingProvider(RuntimeComponent component,
+ RuntimeComponentReference reference,
+ Binding binding) {
+ reference.setBindingProvider(binding, null);
+ for (Binding b : reference.getBindings()) {
+ List<PolicyProvider> pps = reference.getPolicyProviders(b);
+ if (pps != null) {
+ pps.clear();
+ }
+ }
+ }
+
+ public void start(Composite composite) {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Starting composite: " + composite.getName());
+ }
+ for (Component component : composite.getComponents()) {
+ start(component);
+ }
+ }
+
+ public void stop(Composite composite) {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Stopping composite: " + composite.getName());
+ }
+ for (final Component component : composite.getComponents()) {
+ stop(component);
+ }
+ }
+
+ public void start(Component component) {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Starting component: " + component.getURI());
+ }
+ RuntimeComponent runtimeComponent = ((RuntimeComponent)component);
+ if(runtimeComponent.isStarted()) {
+ return;
+ }
+
+ configureComponentContext(runtimeComponent);
+
+ for (ComponentReference reference : component.getReferences()) {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Starting component reference: " + component.getURI() + "#" + reference.getName());
+ }
+ RuntimeComponentReference runtimeRef = ((RuntimeComponentReference)reference);
+ runtimeRef.setComponent(runtimeComponent);
+
+ for (Endpoint endpoint : reference.getEndpoints()) {
+ final EndpointResolver endpointResolver = runtimeRef.getEndpointResolver(endpoint);
+ if (endpointResolver != null) {
+ // Allow endpoint resolvers to do any startup reference manipulation
+ AccessController.doPrivileged(new PrivilegedAction<Object>() {
+ public Object run() {
+ endpointResolver.start();
+ return null;
+ }
+ });
+ }
+ }
+
+ for (Binding binding : reference.getBindings()) {
+ final ReferenceBindingProvider bindingProvider = runtimeRef.getBindingProvider(binding);
+ if (bindingProvider != null) {
+ // Allow bindings to add shutdown hooks. Requires RuntimePermission shutdownHooks in policy.
+ AccessController.doPrivileged(new PrivilegedAction<Object>() {
+ public Object run() {
+ bindingProvider.start();
+ return null;
+ }
+ });
+ }
+ }
+ }
+
+ for (ComponentService service : component.getServices()) {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Starting component service: " + component.getURI() + "#" + service.getName());
+ }
+ RuntimeComponentService runtimeService = (RuntimeComponentService)service;
+ for (Binding binding : service.getBindings()) {
+ final ServiceBindingProvider bindingProvider = runtimeService.getBindingProvider(binding);
+ if (bindingProvider != null) {
+ // bindingProvider.start();
+ // Allow bindings to add shutdown hooks. Requires RuntimePermission shutdownHooks in policy.
+ AccessController.doPrivileged(new PrivilegedAction<Object>() {
+ public Object run() {
+ bindingProvider.start();
+ return null;
+ }
+ });
+ }
+ }
+ }
+
+ Implementation implementation = component.getImplementation();
+ if (implementation instanceof Composite) {
+ start((Composite)implementation);
+ } else {
+ ImplementationProvider implementationProvider = runtimeComponent.getImplementationProvider();
+ if (implementationProvider != null) {
+ implementationProvider.start();
+ }
+ }
+
+ if (component instanceof ScopedRuntimeComponent) {
+ ScopedRuntimeComponent scopedRuntimeComponent = (ScopedRuntimeComponent)component;
+ if (scopedRuntimeComponent.getScopeContainer() != null) {
+ scopedRuntimeComponent.getScopeContainer().start();
+ }
+ }
+
+ runtimeComponent.setStarted(true);
+ }
+
+ /**
+ * @param runtimeComponent
+ */
+ public void configureComponentContext(RuntimeComponent runtimeComponent) {
+ RuntimeComponentContext componentContext =
+ new ComponentContextImpl(this, assemblyFactory, proxyFactory, interfaceContractMapper,
+ requestContextFactory, javaInterfaceFactory, runtimeComponent);
+ runtimeComponent.setComponentContext(componentContext);
+ }
+
+ /**
+ * Stop a component
+ */
+ public void stop(Component component) {
+ if (!((RuntimeComponent)component).isStarted()) {
+ return;
+ }
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Stopping component: " + component.getURI());
+ }
+ for (ComponentService service : component.getServices()) {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Stopping component service: " + component.getURI() + "#" + service.getName());
+ }
+ for (Binding binding : service.getBindings()) {
+ final ServiceBindingProvider bindingProvider = ((RuntimeComponentService)service).getBindingProvider(binding);
+ if (bindingProvider != null) {
+ // Allow bindings to read properties. Requires PropertyPermission read in security policy.
+ AccessController.doPrivileged(new PrivilegedAction<Object>() {
+ public Object run() {
+ bindingProvider.stop();
+ return null;
+ }
+ });
+ }
+ }
+ }
+ for (ComponentReference reference : component.getReferences()) {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Starting component reference: " + component.getURI() + "#" + reference.getName());
+ }
+ RuntimeComponentReference runtimeRef = ((RuntimeComponentReference)reference);
+
+ for (Binding binding : reference.getBindings()) {
+ final ReferenceBindingProvider bindingProvider = runtimeRef.getBindingProvider(binding);
+ if (bindingProvider != null) {
+ // Allow bindings to read properties. Requires PropertyPermission read in security policy.
+ AccessController.doPrivileged(new PrivilegedAction<Object>() {
+ public Object run() {
+ bindingProvider.stop();
+ return null;
+ }
+ });
+ }
+ }
+
+ for (Endpoint endpoint : reference.getEndpoints()) {
+ final EndpointResolver endpointResolver = runtimeRef.getEndpointResolver(endpoint);
+ if (endpointResolver != null) {
+ // Allow endpoint resolvers to do any shutdown reference manipulation
+ AccessController.doPrivileged(new PrivilegedAction<Object>() {
+ public Object run() {
+ endpointResolver.stop();
+ return null;
+ }
+ });
+ }
+ }
+ }
+ Implementation implementation = component.getImplementation();
+ if (implementation instanceof Composite) {
+ stop((Composite)implementation);
+ } else {
+ final ImplementationProvider implementationProvider = ((RuntimeComponent)component).getImplementationProvider();
+ if (implementationProvider != null) {
+ // Allow bindings to read properties. Requires PropertyPermission read in security policy.
+ AccessController.doPrivileged(new PrivilegedAction<Object>() {
+ public Object run() {
+ implementationProvider.stop();
+ return null;
+ }
+ });
+ }
+ }
+
+ if (component instanceof ScopedRuntimeComponent) {
+ ScopedRuntimeComponent runtimeComponent = (ScopedRuntimeComponent)component;
+ if (runtimeComponent.getScopeContainer() != null &&
+ runtimeComponent.getScopeContainer().getLifecycleState() != ScopeContainer.STOPPED) {
+ runtimeComponent.getScopeContainer().stop();
+ }
+ }
+
+ ((RuntimeComponent)component).setStarted(false);
+ }
+
+ /**
+ * Get the effective interface contract for a reference binding
+ *
+ * @param reference
+ * @param binding
+ * @return
+ */
+ private InterfaceContract getInterfaceContract(ComponentReference reference, Binding binding) {
+ InterfaceContract interfaceContract = reference.getInterfaceContract();
+ ReferenceBindingProvider provider = ((RuntimeComponentReference)reference).getBindingProvider(binding);
+ if (provider != null) {
+ InterfaceContract bindingContract = provider.getBindingInterfaceContract();
+ if (bindingContract != null) {
+ interfaceContract = bindingContract;
+ }
+ }
+ return interfaceContract.makeUnidirectional(false);
+ }
+
+ /**
+ * Remove the runtime wires for a reference binding
+ * @param reference
+ */
+ private void removeReferenceWires(ComponentReference reference) {
+ if (!(reference instanceof RuntimeComponentReference)) {
+ return;
+ }
+ // [rfeng] Comment out the following statements to avoid the on-demand activation
+ // RuntimeComponentReference runtimeRef = (RuntimeComponentReference)reference;
+ // runtimeRef.getRuntimeWires().clear();
+ }
+
+ /**
+ * Get the effective interface contract for the service binding
+ *
+ * @param service
+ * @param binding
+ * @return
+ */
+ private InterfaceContract getInterfaceContract(ComponentService service, Binding binding) {
+ InterfaceContract interfaceContract = service.getInterfaceContract();
+
+ ServiceBindingProvider provider = ((RuntimeComponentService)service).getBindingProvider(binding);
+ if (provider != null) {
+ InterfaceContract bindingContract = provider.getBindingInterfaceContract();
+ if (bindingContract != null) {
+ interfaceContract = bindingContract;
+ }
+ }
+ return interfaceContract.makeUnidirectional(false);
+ }
+
+ /**
+ * Remove runtime wires for a service binding
+ *
+ * @param component
+ * @param service
+ */
+ private void removeServiceWires(ComponentService service) {
+ if (!(service instanceof RuntimeComponentService)) {
+ return;
+ }
+ RuntimeComponentService runtimeService = (RuntimeComponentService)service;
+ runtimeService.getRuntimeWires().clear();
+ }
+
+ /**
+ * Create a service wire for a forward call or a callback
+ * @param service
+ * @param serviceBinding
+ * @param reference
+ * @param component
+ * @param referenceBinding
+ */
+ private RuntimeWire addServiceWire(Component serviceComponent, ComponentService service, Binding serviceBinding) {
+ if (!(service instanceof RuntimeComponentService)) {
+ return null;
+ }
+ RuntimeComponentService runtimeService = (RuntimeComponentService)service;
+
+ // FIXME: [rfeng] We might need a better way to get the impl interface contract
+ Service targetService = service.getService();
+ if (targetService == null) {
+ targetService = service;
+ }
+ InterfaceContract targetContract = targetService.getInterfaceContract().makeUnidirectional(false);
+
+ InterfaceContract sourceContract = getInterfaceContract(service, serviceBinding);
+
+ EndpointReference wireSource = new EndpointReferenceImpl(null, null, serviceBinding, sourceContract);
+
+ EndpointReference wireTarget =
+ new EndpointReferenceImpl((RuntimeComponent)serviceComponent, (RuntimeComponentService)service,
+ serviceBinding, targetContract);
+
+ RuntimeWire wire =
+ new RuntimeWireImpl(wireSource, wireTarget, interfaceContractMapper, workScheduler, wireProcessor,
+ messageFactory, conversationManager);
+ runtimeService.getRuntimeWires().add(wire);
+
+ return wire;
+ }
+
+ public void activate(RuntimeComponent component, RuntimeComponentService service) {
+ if (service.getService() == null) {
+ if (logger.isLoggable(Level.WARNING)) {
+ logger.warning("Skipping component service not defined in the component type: " + component.getURI()
+ + "#"
+ + service.getName());
+ }
+ return;
+ }
+ if (service.getService() instanceof CompositeService) {
+ return;
+ }
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Activating component service: " + component.getURI() + "#" + service.getName());
+ }
+
+ for (Binding binding : service.getBindings()) {
+ addServiceBindingProvider(component, service, binding);
+ addServiceWire(component, service, binding);
+ }
+ }
+
+ public void deactivate(RuntimeComponent component, RuntimeComponentService service) {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Deactivating component service: " + component.getURI() + "#" + service.getName());
+ }
+ removeServiceWires(service);
+ for (Binding binding : service.getBindings()) {
+ removeServiceBindingProvider(component, service, binding);
+ }
+ }
+
+ private void addScopeContainer(Component component) {
+ if (!(component instanceof ScopedRuntimeComponent)) {
+ return;
+ }
+ ScopedRuntimeComponent runtimeComponent = (ScopedRuntimeComponent)component;
+ ScopeContainer scopeContainer = scopeRegistry.getScopeContainer(runtimeComponent);
+ if (scopeContainer != null && scopeContainer.getScope() == Scope.CONVERSATION) {
+ conversationManager.addListener((ConversationalScopeContainer)scopeContainer);
+ }
+ runtimeComponent.setScopeContainer(scopeContainer);
+ }
+
+ private void removeScopeContainer(Component component) {
+ if (!(component instanceof ScopedRuntimeComponent)) {
+ return;
+ }
+ ScopedRuntimeComponent runtimeComponent = (ScopedRuntimeComponent)component;
+ ScopeContainer scopeContainer = runtimeComponent.getScopeContainer();
+ if(scopeContainer != null && scopeContainer.getScope() == Scope.CONVERSATION) {
+ conversationManager.removeListener((ConversationalScopeContainer) scopeContainer);
+ }
+ runtimeComponent.setScopeContainer(null);
+ }
+
+ public void activateComponent(Component component)
+ throws ActivationException {
+ try {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Activating component: " + component.getURI());
+ }
+
+ Implementation implementation = component.getImplementation();
+ if (implementation instanceof Composite) {
+ activate((Composite) implementation);
+ } else if (implementation != null) {
+ addImplementationProvider((RuntimeComponent) component,
+ implementation);
+ addScopeContainer(component);
+ }
+
+ for (ComponentService service : component.getServices()) {
+ activate((RuntimeComponent) component,
+ (RuntimeComponentService) service);
+ }
+
+ for (ComponentReference reference : component.getReferences()) {
+ activate((RuntimeComponent) component,
+ (RuntimeComponentReference) reference);
+ }
+ } catch (Exception e) {
+ throw new ActivationException(e);
+ }
+ }
+
+ public void deactivateComponent(Component component)
+ throws ActivationException {
+ try {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Deactivating component: " + component.getURI());
+ }
+ for (ComponentService service : component.getServices()) {
+ deactivate((RuntimeComponent) component,
+ (RuntimeComponentService) service);
+ }
+
+ for (ComponentReference reference : component.getReferences()) {
+ deactivate((RuntimeComponent) component,
+ (RuntimeComponentReference) reference);
+ }
+
+ Implementation implementation = component.getImplementation();
+ if (implementation instanceof Composite) {
+ deactivate((Composite) implementation);
+ } else if (implementation != null) {
+ removeImplementationProvider((RuntimeComponent) component);
+ removeScopeContainer(component);
+ }
+ } catch (Exception e) {
+ throw new ActivationException(e);
+ }
+ }
+
+ public void activate(Composite composite) throws ActivationException {
+ try {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Activating composite: " + composite.getName());
+ }
+ for (Component component : composite.getComponents()) {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Activating component: " + component.getURI());
+ }
+
+ Implementation implementation = component.getImplementation();
+ if (implementation instanceof Composite) {
+ activate((Composite)implementation);
+ } else if (implementation != null) {
+ addImplementationProvider((RuntimeComponent)component, implementation);
+ addScopeContainer(component);
+ }
+
+ for (ComponentService service : component.getServices()) {
+ activate((RuntimeComponent)component, (RuntimeComponentService)service);
+ }
+
+ for (ComponentReference reference : component.getReferences()) {
+ activate((RuntimeComponent)component, (RuntimeComponentReference)reference);
+ }
+ }
+ } catch (Exception e) {
+ throw new ActivationException(e);
+ }
+ }
+
+ public void deactivate(Composite composite) throws ActivationException {
+ try {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Deactivating composite: " + composite.getName());
+ }
+ for (Component component : composite.getComponents()) {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.fine("Deactivating component: " + component.getURI());
+ }
+ for (ComponentService service : component.getServices()) {
+ deactivate((RuntimeComponent)component, (RuntimeComponentService)service);
+ }
+
+ for (ComponentReference reference : component.getReferences()) {
+ deactivate((RuntimeComponent)component, (RuntimeComponentReference)reference);
+ }
+
+ Implementation implementation = component.getImplementation();
+ if (implementation instanceof Composite) {
+ deactivate((Composite)implementation);
+ } else if (implementation != null) {
+ removeImplementationProvider((RuntimeComponent)component);
+ removeScopeContainer(component);
+ }
+ }
+ } catch (Exception e) {
+ throw new ActivationException(e);
+ }
+ }
+
+ /**
+ * @return the referenceHelper
+ */
+ public ComponentContextHelper getComponentContextHelper() {
+ return componentContextHelper;
+ }
+
+ /**
+ * @return the proxyFactory
+ */
+ public ProxyFactory getProxyFactory() {
+ return proxyFactory;
+ }
+
+ /**
+ * @return the domainComposite
+ */
+ public Composite getDomainComposite() {
+ return domainComposite;
+ }
+
+ /**
+ * @param domainComposite the domainComposite to set
+ */
+ public void setDomainComposite(Composite domainComposite) {
+ this.domainComposite = domainComposite;
+ }
+
+ public Component resolve(String componentURI) {
+ for (Composite composite : domainComposite.getIncludes()) {
+ Component component = resolve(composite, componentURI);
+ if (component != null) {
+ return component;
+ }
+ }
+ return null;
+ }
+
+ public Component resolve(Composite composite, String componentURI) {
+ for (Component component : composite.getComponents()) {
+ String uri = component.getURI();
+ if (uri.equals(componentURI)) {
+ return component;
+ }
+ if (componentURI.startsWith(uri)) {
+ Implementation implementation = component.getImplementation();
+ if (!(implementation instanceof Composite)) {
+ return null;
+ }
+ return resolve((Composite)implementation, componentURI);
+ }
+ }
+ return null;
+ }
+
+ /**
+ * @return the javaInterfaceFactory
+ */
+ public JavaInterfaceFactory getJavaInterfaceFactory() {
+ return javaInterfaceFactory;
+ }
+
+ /**
+ * @return the conversationManager
+ */
+ public ConversationManager getConversationManager() {
+ return conversationManager;
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/EndpointReferenceImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/EndpointReferenceImpl.java
new file mode 100644
index 0000000000..78096b20ab
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/EndpointReferenceImpl.java
@@ -0,0 +1,186 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.assembly;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Contract;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.runtime.EndpointReference;
+import org.apache.tuscany.sca.runtime.ReferenceParameters;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class EndpointReferenceImpl implements EndpointReference {
+ private RuntimeComponent component;
+ private Contract contract;
+ private Binding binding;
+ private InterfaceContract interfaceContract;
+ private String uri;
+ private EndpointReference callbackEndpoint;
+ private ReferenceParameters parameters = new ReferenceParametersImpl();
+
+ /**
+ * @param component
+ * @param contract
+ * @param binding
+ * @param interfaceContract
+ */
+ public EndpointReferenceImpl(RuntimeComponent component,
+ Contract contract,
+ Binding binding,
+ InterfaceContract interfaceContract) {
+ super();
+ this.component = component;
+ this.contract = contract;
+ this.binding = binding;
+ this.interfaceContract = interfaceContract;
+ this.uri = (component != null ? component.getURI() : "") + '/' +
+ (contract != null ? contract.getName() : "");
+ }
+
+ /**
+ * @param uri
+ */
+ public EndpointReferenceImpl(String uri) {
+ super();
+ this.uri = uri;
+ }
+
+ public Binding getBinding() {
+ return binding;
+ }
+
+ public void setBinding(Binding binding) {
+ this.binding = binding;
+ }
+
+ public RuntimeComponent getComponent() {
+ return component;
+ }
+
+ public void setComponent(RuntimeComponent component) {
+ this.component = component;
+ }
+
+ public Contract getContract() {
+ return contract;
+ }
+
+ public void setContract(Contract contract) {
+ this.contract = contract;
+ }
+
+ public InterfaceContract getInterfaceContract() {
+ return interfaceContract;
+ }
+
+ public void setInterfaceContract(InterfaceContract interfaceContract) {
+ this.interfaceContract = interfaceContract;
+ }
+
+ public String getURI() {
+ return uri;
+ }
+
+ public void setURI(String uri) {
+ this.uri = uri;
+ }
+
+ public EndpointReference getCallbackEndpoint() {
+ return callbackEndpoint;
+ }
+
+ public void setCallbackEndpoint(EndpointReference callbackEndpoint) {
+ this.callbackEndpoint = callbackEndpoint;
+ }
+
+ @Override
+ public int hashCode() {
+ final int PRIME = 31;
+ int result = 1;
+ result = PRIME * result + ((uri == null) ? 0 : uri.hashCode());
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj == null) {
+ return false;
+ }
+ if (getClass() != obj.getClass()) {
+ return false;
+ }
+ final EndpointReferenceImpl other = (EndpointReferenceImpl)obj;
+ if (uri == null) {
+ if (other.uri != null) {
+ return false;
+ }
+ } else if (!uri.equals(other.uri)) {
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * @see java.lang.Object#clone()
+ */
+ @Override
+ public Object clone() throws CloneNotSupportedException {
+ EndpointReferenceImpl copy = (EndpointReferenceImpl)super.clone();
+ /* [nash] no need to copy callback endpoint
+ if (callbackEndpoint != null) {
+ copy.callbackEndpoint = (EndpointReference)callbackEndpoint.clone();
+ }
+ */
+ if (parameters != null) {
+ copy.parameters = (ReferenceParameters)parameters.clone();
+ }
+ return copy;
+ }
+
+ /**
+ * @return the parameters
+ */
+ public ReferenceParameters getReferenceParameters() {
+ return parameters;
+ }
+
+ /**
+ * @param parameters the parameters to set
+ */
+ public void setReferenceParameters(ReferenceParameters parameters) {
+ this.parameters = parameters;
+ }
+
+ public void mergeEndpoint(EndpointReference epr) {
+ this.component = epr.getComponent();
+ this.contract = epr.getContract();
+ this.binding = epr.getBinding();
+ this.interfaceContract = epr.getInterfaceContract();
+ this.uri = epr.getURI();
+ this.callbackEndpoint = epr.getCallbackEndpoint();
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/EndpointWireImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/EndpointWireImpl.java
new file mode 100644
index 0000000000..87dbf0eeac
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/EndpointWireImpl.java
@@ -0,0 +1,162 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.assembly;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.endpointresolver.EndpointResolver;
+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.Message;
+import org.apache.tuscany.sca.provider.ReferenceBindingProvider;
+import org.apache.tuscany.sca.runtime.EndpointReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.osoa.sca.ServiceUnavailableException;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class EndpointWireImpl implements RuntimeWire {
+
+ private Endpoint endpoint;
+ private CompositeActivatorImpl compositeActivator;
+
+ private EndpointResolver endpointResolver;
+ private EndpointReference source;
+ private RuntimeWire wire;
+
+ /**
+ * @param endpoint
+ */
+ public EndpointWireImpl(Endpoint endpoint, CompositeActivator compositeActivator) {
+ super();
+ this.endpoint = endpoint;
+ // TODO - improve the SPI to get rid of this cast
+ this.compositeActivator = (CompositeActivatorImpl)compositeActivator;
+
+ // store source configuration as we have most of this now. We don't though know what the
+ // target is yet.
+ Reference componentTypeRef = endpoint.getSourceComponentReference().getReference();
+ InterfaceContract sourceContract =
+ componentTypeRef == null ? endpoint.getSourceComponentReference().getInterfaceContract() : componentTypeRef.getInterfaceContract();
+ sourceContract = sourceContract.makeUnidirectional(false);
+
+ source = new EndpointReferenceImpl((RuntimeComponent)endpoint.getSourceComponent(),
+ endpoint.getSourceComponentReference(),
+ null,
+ sourceContract);
+
+ RuntimeComponentReference runtimeRef = ((RuntimeComponentReference)endpoint.getSourceComponentReference());
+ endpointResolver = runtimeRef.getEndpointResolver(endpoint);
+
+ }
+
+ public synchronized List<InvocationChain> getInvocationChains() {
+ // where late binding happens. Find the endpoint provider and
+ // ask it to do the endpoint resolution.
+ if (endpoint.isUnresolved()){
+
+ // this method should locate a viable target service and complete the
+ // endpoint configuration
+ endpointResolver.resolve();
+
+ if (endpoint.isUnresolved()){
+ throw new ServiceUnavailableException("Unable to resolve service for component: " +
+ endpoint.getSourceComponent().getName() +
+ " reference: " +
+ endpoint.getSourceComponentReference().getName() +
+ " target: " +
+ endpoint.getTargetName());
+ }
+ }
+
+ if (wire == null){
+ RuntimeComponentReference runtimeRef = ((RuntimeComponentReference)endpoint.getSourceComponentReference());
+
+ // add the resolved binding into the reference
+ runtimeRef.getBindings().add(endpoint.getSourceBinding());
+
+ // add a binding provider into the reference for the resolved binding
+ compositeActivator.addReferenceBindingProviderForEndpoint(endpoint);
+
+ // extract the binding provider that has been created
+ ReferenceBindingProvider bindingProvider = runtimeRef.getBindingProvider(endpoint.getSourceBinding());
+
+ // start the binding provider
+ bindingProvider.start();
+
+ // create the wire
+ compositeActivator.addReferenceWireForEndpoint(endpoint);
+
+ // extract the wire that has been created
+ wire = runtimeRef.getRuntimeWire(endpoint.getSourceBinding());
+ }
+
+ return wire.getInvocationChains();
+ }
+
+ public InvocationChain getInvocationChain(Operation operation) {
+ if (wire ==null){
+ return null;
+ } else {
+ return wire.getInvocationChain(operation);
+ }
+ }
+
+ public Object invoke(Operation operation, Object[] args) throws InvocationTargetException {
+ // not called as the endpoint wire only appears on the reference side
+ return null;
+ }
+
+ public Object invoke(Operation operation, Message msg) throws InvocationTargetException {
+ // not called as the endpoint wire only appears on the reference side
+ return null;
+ }
+
+
+ public EndpointReference getSource() {
+ return source;
+ }
+
+ public EndpointReference getTarget() {
+ return null;
+ }
+
+ public void setTarget(EndpointReference target) {
+ }
+
+ public void rebuild() {
+ }
+
+ /**
+ * @see java.lang.Object#clone()
+ */
+ @Override
+ public Object clone() throws CloneNotSupportedException {
+ EndpointWireImpl copy = (EndpointWireImpl)super.clone();
+ return copy;
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/ReferenceParameterProcessor.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/ReferenceParameterProcessor.java
new file mode 100644
index 0000000000..c82543c4ca
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/ReferenceParameterProcessor.java
@@ -0,0 +1,101 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.assembly;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.contribution.service.ContributionReadException;
+import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.service.ContributionWriteException;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.runtime.ReferenceParameters;
+
+/**
+ * Artifact processor for reference parameters.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ReferenceParameterProcessor implements StAXArtifactProcessor<ReferenceParameters> {
+ private static final QName REFERENCE_PARAMETERS =
+ new QName("http://tuscany.apache.org/xmlns/sca/1.0", "referenceParameters", "tuscany");
+
+ /**
+ * Constructs a new processor.
+ *
+ * @param modelFactories
+ */
+ public ReferenceParameterProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) {
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor#getArtifactType()
+ */
+ public QName getArtifactType() {
+ return REFERENCE_PARAMETERS;
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor#read(javax.xml.stream.XMLStreamReader)
+ */
+ public ReferenceParameters read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
+ ReferenceParameters parameters = new ReferenceParametersImpl();
+ parameters.setConversationID(reader.getAttributeValue(null, "conversationID"));
+ parameters.setCallbackID(reader.getAttributeValue(null, "callbackID"));
+ return parameters;
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor#write(java.lang.Object, javax.xml.stream.XMLStreamWriter)
+ */
+ public void write(ReferenceParameters model, XMLStreamWriter writer) throws ContributionWriteException,
+ XMLStreamException {
+ writer.writeStartElement(REFERENCE_PARAMETERS.getPrefix(),
+ REFERENCE_PARAMETERS.getLocalPart(),
+ REFERENCE_PARAMETERS.getNamespaceURI());
+ writer.writeNamespace(REFERENCE_PARAMETERS.getPrefix(), REFERENCE_PARAMETERS.getNamespaceURI());
+ if (model.getConversationID() != null) {
+ writer.writeAttribute("conversationID", model.getConversationID().toString());
+ }
+ if (model.getCallbackID() != null) {
+ writer.writeAttribute("callbackID", model.getCallbackID().toString());
+ }
+ writer.writeEndElement();
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.contribution.processor.ArtifactProcessor#getModelType()
+ */
+ public Class<ReferenceParameters> getModelType() {
+ return ReferenceParameters.class;
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.contribution.processor.ArtifactProcessor#resolve(java.lang.Object, org.apache.tuscany.sca.contribution.resolver.ModelResolver)
+ */
+ public void resolve(ReferenceParameters model, ModelResolver resolver) throws ContributionResolveException {
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/ReferenceParametersImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/ReferenceParametersImpl.java
new file mode 100644
index 0000000000..14a5f565fc
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/ReferenceParametersImpl.java
@@ -0,0 +1,139 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.assembly;
+
+import org.apache.tuscany.sca.runtime.EndpointReference;
+import org.apache.tuscany.sca.runtime.ReferenceParameters;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class ReferenceParametersImpl implements ReferenceParameters {
+ private Object callbackID;
+ private Object conversationID;
+ private EndpointReference callbackReference;
+ private Object callbackObjectID;
+
+ /**
+ * @return the callbackID
+ */
+ public Object getCallbackID() {
+ return callbackID;
+ }
+ /**
+ * @param callbackID the callbackID to set
+ */
+ public void setCallbackID(Object callbackID) {
+ this.callbackID = callbackID;
+ }
+ /**
+ * @return the conversationID
+ */
+ public Object getConversationID() {
+ return conversationID;
+ }
+ /**
+ * @param conversationID the conversationID to set
+ */
+ public void setConversationID(Object conversationID) {
+ this.conversationID = conversationID;
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.runtime.ReferenceParameters#getCallbackReference()
+ */
+ public EndpointReference getCallbackReference() {
+ return callbackReference;
+ }
+ /**
+ * @see org.apache.tuscany.sca.runtime.ReferenceParameters#setCallback(java.lang.Object)
+ */
+ public void setCallbackReference(EndpointReference callback) {
+ this.callbackReference = callback;
+ }
+
+ /**
+ * @see java.lang.Object#clone()
+ */
+ @Override
+ public Object clone() throws CloneNotSupportedException {
+ return super.clone();
+ }
+
+ /**
+ * @return the callbackObjectID
+ */
+ public Object getCallbackObjectID() {
+ return callbackObjectID;
+ }
+ /**
+ * @param callbackObjectID the callbackObjectID to set
+ */
+ public void setCallbackObjectID(Object callbackObjectID) {
+ this.callbackObjectID = callbackObjectID;
+ }
+ /**
+ * @see java.lang.Object#hashCode()
+ */
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + ((callbackID == null) ? 0 : callbackID.hashCode());
+ result = prime * result + ((callbackObjectID == null) ? 0 : callbackObjectID.hashCode());
+ result = prime * result + ((callbackReference == null) ? 0 : callbackReference.hashCode());
+ result = prime * result + ((conversationID == null) ? 0 : conversationID.hashCode());
+ return result;
+ }
+ /**
+ * @see java.lang.Object#equals(java.lang.Object)
+ */
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null)
+ return false;
+ if (!(obj instanceof ReferenceParametersImpl))
+ return false;
+ final ReferenceParametersImpl other = (ReferenceParametersImpl)obj;
+ if (callbackID == null) {
+ if (other.callbackID != null)
+ return false;
+ } else if (!callbackID.equals(other.callbackID))
+ return false;
+ if (callbackObjectID == null) {
+ if (other.callbackObjectID != null)
+ return false;
+ } else if (!callbackObjectID.equals(other.callbackObjectID))
+ return false;
+ if (callbackReference == null) {
+ if (other.callbackReference != null)
+ return false;
+ } else if (!callbackReference.equals(other.callbackReference))
+ return false;
+ if (conversationID == null) {
+ if (other.conversationID != null)
+ return false;
+ } else if (!conversationID.equals(other.conversationID))
+ return false;
+ return true;
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeAssemblyFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeAssemblyFactory.java
new file mode 100644
index 0000000000..b174dea6ce
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeAssemblyFactory.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.core.assembly;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.DefaultAssemblyFactory;
+
+/**
+ * The runtime version of assembly factory
+ * @version $Rev$ $Date$
+ */
+public class RuntimeAssemblyFactory extends DefaultAssemblyFactory implements AssemblyFactory {
+
+ public RuntimeAssemblyFactory() {
+ super();
+ }
+
+ @Override
+ public Component createComponent() {
+ return new RuntimeComponentImpl();
+ }
+
+ @Override
+ public ComponentReference createComponentReference() {
+ return new RuntimeComponentReferenceImpl();
+ }
+
+ @Override
+ public ComponentService createComponentService() {
+ return new RuntimeComponentServiceImpl();
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeComponentImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeComponentImpl.java
new file mode 100644
index 0000000000..be594994cc
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeComponentImpl.java
@@ -0,0 +1,106 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.core.assembly;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.impl.ComponentImpl;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.contribution.resolver.ResolverExtension;
+import org.apache.tuscany.sca.core.scope.ScopeContainer;
+import org.apache.tuscany.sca.core.scope.ScopedRuntimeComponent;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.provider.PolicyProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentContext;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class RuntimeComponentImpl extends ComponentImpl implements RuntimeComponent,
+ ScopedRuntimeComponent, ResolverExtension {
+ protected RuntimeComponentContext componentContext;
+ protected ImplementationProvider implementationProvider;
+ protected List<PolicyProvider> policyProviders = new ArrayList<PolicyProvider>();
+ protected ScopeContainer scopeContainer;
+ protected boolean started;
+ protected ModelResolver modelResolver;
+
+ /**
+ */
+ public RuntimeComponentImpl() {
+ super();
+ }
+
+ public ImplementationProvider getImplementationProvider() {
+ return implementationProvider;
+ }
+
+ public void setImplementationProvider(ImplementationProvider provider) {
+ this.implementationProvider = provider;
+ }
+
+ public ScopeContainer getScopeContainer() {
+ return scopeContainer;
+ }
+
+ public void setScopeContainer(ScopeContainer scopeContainer) {
+ this.scopeContainer = scopeContainer;
+ }
+
+ public boolean isStarted() {
+ return started;
+ }
+
+ public void setStarted(boolean started) {
+ this.started = started;
+ }
+
+ /**
+ * @return the componentContext
+ */
+ public RuntimeComponentContext getComponentContext() {
+ return componentContext;
+ }
+
+ /**
+ * @param componentContext the componentContext to set
+ */
+ public void setComponentContext(RuntimeComponentContext componentContext) {
+ this.componentContext = componentContext;
+ }
+
+ public void addPolicyProvider(PolicyProvider policyProvider) {
+ policyProviders.add(policyProvider);
+ }
+
+ public List<PolicyProvider> getPolicyProviders() {
+ return policyProviders;
+ }
+
+ public ModelResolver getModelResolver() {
+ return modelResolver;
+ }
+
+ public void setModelResolver(ModelResolver modelResolver) {
+ this.modelResolver = modelResolver;
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeComponentReferenceImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeComponentReferenceImpl.java
new file mode 100644
index 0000000000..b840de42a8
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeComponentReferenceImpl.java
@@ -0,0 +1,139 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.assembly;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.impl.ComponentReferenceImpl;
+import org.apache.tuscany.sca.endpointresolver.EndpointResolver;
+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.ReferenceBindingProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+
+/**
+ * Implementation of a Component Reference.
+ *
+ * @version $Rev$ $Date$
+ */
+public class RuntimeComponentReferenceImpl extends ComponentReferenceImpl implements RuntimeComponentReference {
+ private ArrayList<RuntimeWire> wires;
+ private HashMap<Binding, ReferenceBindingProvider> bindingProviders =
+ new HashMap<Binding, ReferenceBindingProvider>();
+ private HashMap<Endpoint, EndpointResolver> endpointResolvers =
+ new HashMap<Endpoint, EndpointResolver>();
+ private HashMap<Binding, List<PolicyProvider>> policyProviders = new HashMap<Binding, List<PolicyProvider>>();
+
+ private RuntimeComponent component;
+
+ public RuntimeComponentReferenceImpl() {
+ super();
+ }
+
+ public synchronized List<RuntimeWire> getRuntimeWires() {
+ if (wires == null) {
+ wires = new ArrayList<RuntimeWire>();
+ component.getComponentContext().start(this);
+ }
+ return wires;
+ }
+
+ public RuntimeWire getRuntimeWire(Binding binding) {
+ for (RuntimeWire wire : getRuntimeWires()) {
+ if (wire.getSource().getBinding() == binding) {
+ return wire;
+ }
+ }
+ return null;
+ }
+
+ public ReferenceBindingProvider getBindingProvider(Binding binding) {
+ return bindingProviders.get(binding);
+ }
+
+ public void setBindingProvider(Binding binding, ReferenceBindingProvider bindingProvider) {
+ bindingProviders.put(binding, bindingProvider);
+ }
+
+ public EndpointResolver getEndpointResolver(Endpoint endpoint){
+ return endpointResolvers.get(endpoint);
+ }
+
+ public void setEndpointResolver(Endpoint endpoint, EndpointResolver endpointResolver){
+ endpointResolvers.put(endpoint, endpointResolver);
+ }
+
+ public Invoker getInvoker(Binding binding, Operation operation) {
+ RuntimeWire wire = getRuntimeWire(binding);
+ if (wire == null) {
+ return null;
+ }
+ InvocationChain chain = wire.getInvocationChain(operation);
+ return chain == null ? null : chain.getHeadInvoker();
+ }
+
+ /**
+ * @return the component
+ */
+ public RuntimeComponent getComponent() {
+ return component;
+ }
+
+ /**
+ * @param component the component to set
+ */
+ public void setComponent(RuntimeComponent component) {
+ this.component = component;
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.assembly.impl.ComponentReferenceImpl#clone()
+ */
+ @Override
+ public Object clone() throws CloneNotSupportedException {
+ RuntimeComponentReferenceImpl ref = (RuntimeComponentReferenceImpl)super.clone();
+ ref.wires = null;
+ ref.bindingProviders = new HashMap<Binding, ReferenceBindingProvider>();
+ ref.policyProviders = new HashMap<Binding, List<PolicyProvider>>();
+ return ref;
+ }
+
+ public void addPolicyProvider(Binding binding, PolicyProvider policyProvider) {
+ List<PolicyProvider> providers = policyProviders.get(binding);
+ if (providers == null) {
+ providers = new ArrayList<PolicyProvider>();
+ policyProviders.put(binding, providers);
+ }
+ providers.add(policyProvider);
+ }
+
+ public List<PolicyProvider> getPolicyProviders(Binding binding) {
+ return policyProviders.get(binding);
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeComponentServiceImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeComponentServiceImpl.java
new file mode 100644
index 0000000000..14b38fdd73
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeComponentServiceImpl.java
@@ -0,0 +1,158 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.assembly;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.impl.ComponentServiceImpl;
+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;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * Implementation of a Component Service.
+ *
+ * @version $Rev$ $Date$
+ */
+public class RuntimeComponentServiceImpl extends ComponentServiceImpl implements RuntimeComponentService {
+ private ArrayList<RuntimeWire> wires = new ArrayList<RuntimeWire>();
+ private ArrayList<RuntimeWire> callbackWires = new ArrayList<RuntimeWire>();
+ private HashMap<Binding, ServiceBindingProvider> bindingProviders = new HashMap<Binding, ServiceBindingProvider>();
+ private HashMap<Binding, List<PolicyProvider>> policyProviders = new HashMap<Binding, List<PolicyProvider>>();
+
+ public RuntimeComponentServiceImpl() {
+ super();
+ }
+
+ public List<RuntimeWire> getRuntimeWires() {
+ return wires;
+ }
+
+ public RuntimeWire getRuntimeWire(Binding binding) {
+ for (RuntimeWire wire : wires) {
+ if (wire.getTarget().getBinding() == binding) {
+ return wire;
+ }
+ }
+ return null;
+ }
+
+ public RuntimeWire getRuntimeWire(Binding binding, InterfaceContract interfaceContract) {
+ RuntimeWire wire = getRuntimeWire(binding);
+ if (wire == null) {
+ return null;
+ }
+ if (interfaceContract != null && interfaceContract != wire.getSource().getInterfaceContract()) {
+ try {
+ // FIXME: [rfeng] We could avoid clone() using a better comparison of the two interface contracts
+ wire = (RuntimeWire)wire.clone();
+ wire.getSource().setInterfaceContract(interfaceContract);
+ wire.rebuild();
+ } catch (CloneNotSupportedException e) {
+ throw new ServiceRuntimeException(e);
+ }
+ }
+
+ return wire;
+ }
+
+ public List<RuntimeWire> getCallbackWires() {
+ return callbackWires;
+ }
+
+ public ServiceBindingProvider getBindingProvider(Binding binding) {
+ return bindingProviders.get(binding);
+ }
+
+ public void setBindingProvider(Binding binding, ServiceBindingProvider bindingProvider) {
+ bindingProviders.put(binding, bindingProvider);
+ }
+
+ public Invoker getInvoker(Binding binding, Operation operation) {
+ return getInvoker(binding, null, operation);
+ }
+
+ public Invoker getInvoker(Binding binding, InterfaceContract interfaceContract, Operation operation) {
+ InvocationChain chain = getInvocationChain(binding, interfaceContract, operation);
+ if (chain != null) {
+ return chain.getHeadInvoker();
+ } else {
+ return null;
+ }
+ }
+
+ public InvocationChain getInvocationChain(Binding binding, InterfaceContract interfaceContract, Operation operation) {
+ RuntimeWire wire = getRuntimeWire(binding);
+ if (wire == null) {
+ return null;
+ }
+ if (interfaceContract != null && interfaceContract != wire.getSource().getInterfaceContract()) {
+ try {
+ // FIXME: [rfeng] We could avoid clone() using a better comparison of the two interface contracts
+ wire = (RuntimeWire)wire.clone();
+ wire.getSource().setInterfaceContract(interfaceContract);
+ wire.rebuild();
+ } catch (CloneNotSupportedException e) {
+ throw new ServiceRuntimeException(e);
+ }
+ }
+ return wire.getInvocationChain(operation);
+ }
+
+ public InvocationChain getInvocationChain(Binding binding, Operation operation) {
+ return getInvocationChain(binding, null, operation);
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.assembly.impl.ComponentServiceImpl#clone()
+ */
+ @SuppressWarnings("unchecked")
+ @Override
+ public Object clone() throws CloneNotSupportedException {
+ RuntimeComponentServiceImpl clone = (RuntimeComponentServiceImpl)super.clone();
+ clone.bindingProviders = (HashMap<Binding, ServiceBindingProvider>)bindingProviders.clone();
+ clone.wires = (ArrayList<RuntimeWire>)wires.clone();
+ clone.callbackWires = (ArrayList<RuntimeWire>)callbackWires.clone();
+ clone.policyProviders = (HashMap<Binding, List<PolicyProvider>>)policyProviders.clone();
+ return clone;
+ }
+
+ public void addPolicyProvider(Binding binding, PolicyProvider policyProvider) {
+ List<PolicyProvider> providers = policyProviders.get(binding);
+ if (providers == null) {
+ providers = new ArrayList<PolicyProvider>();
+ policyProviders.put(binding, providers);
+ }
+ providers.add(policyProvider);
+ }
+
+ public List<PolicyProvider> getPolicyProviders(Binding binding) {
+ return policyProviders.get(binding);
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeWireImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeWireImpl.java
new file mode 100644
index 0000000000..c67ead43e9
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeWireImpl.java
@@ -0,0 +1,377 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.assembly;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Contract;
+import org.apache.tuscany.sca.core.conversation.ConversationManager;
+import org.apache.tuscany.sca.core.invocation.InvocationChainImpl;
+import org.apache.tuscany.sca.core.invocation.NonBlockingInterceptor;
+import org.apache.tuscany.sca.core.invocation.RuntimeWireInvoker;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Interceptor;
+import org.apache.tuscany.sca.invocation.InvocationChain;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+import org.apache.tuscany.sca.invocation.Phase;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.provider.PolicyProvider;
+import org.apache.tuscany.sca.provider.ReferenceBindingProvider;
+import org.apache.tuscany.sca.provider.ServiceBindingProvider;
+import org.apache.tuscany.sca.runtime.EndpointReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.apache.tuscany.sca.runtime.RuntimeWireProcessor;
+import org.apache.tuscany.sca.work.WorkScheduler;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class RuntimeWireImpl implements RuntimeWire {
+ private EndpointReference wireSource;
+ private EndpointReference wireTarget;
+
+ private transient RuntimeWireProcessor wireProcessor;
+ private transient InterfaceContractMapper interfaceContractMapper;
+ private transient WorkScheduler workScheduler;
+ private transient MessageFactory messageFactory;
+ private transient ConversationManager conversationManager;
+ private transient RuntimeWireInvoker invoker;
+
+ // the following is a very simple cache that avoids re-cloning a wire
+ // when consecutive callbacks to the same endpoint are made
+ private EndpointReference lastCallback;
+ private RuntimeWire cachedWire;
+ private boolean wireReserved;
+ private RuntimeWireImpl clonedFrom;
+
+ private List<InvocationChain> chains;
+
+ /**
+ * @param source
+ * @param target
+ * @param interfaceContractMapper
+ * @param workScheduler
+ * @param wireProcessor
+ * @param messageFactory
+ * @param conversationManager
+ */
+ public RuntimeWireImpl(EndpointReference source,
+ EndpointReference target,
+ InterfaceContractMapper interfaceContractMapper,
+ WorkScheduler workScheduler,
+ RuntimeWireProcessor wireProcessor,
+ MessageFactory messageFactory,
+ ConversationManager conversationManager) {
+ super();
+ this.wireSource = source;
+ this.wireTarget = target;
+ this.interfaceContractMapper = interfaceContractMapper;
+ this.workScheduler = workScheduler;
+ this.wireProcessor = wireProcessor;
+ this.messageFactory = messageFactory;
+ this.conversationManager = conversationManager;
+ this.invoker = new RuntimeWireInvoker(this.messageFactory, this.conversationManager, this);
+ }
+
+ public synchronized List<InvocationChain> getInvocationChains() {
+ if (chains == null) {
+ initInvocationChains();
+ }
+ return chains;
+ }
+
+ public InvocationChain getInvocationChain(Operation operation) {
+ for (InvocationChain chain : getInvocationChains()) {
+ Operation op = null;
+ if (wireSource.getContract() != null) {
+ // Reference chain
+ op = chain.getSourceOperation();
+ } else {
+ // Service chain
+ op = chain.getTargetOperation();
+ }
+ if (interfaceContractMapper.isCompatible(operation, op, op.getInterface().isRemotable())) {
+ return chain;
+ }
+ }
+ return null;
+ }
+
+ public Object invoke(Operation operation, Object[] args) throws InvocationTargetException {
+ Message msg = messageFactory.createMessage();
+ msg.setBody(args);
+ return invoker.invoke(operation, msg);
+ }
+
+ public Object invoke(Operation operation, Message msg) throws InvocationTargetException {
+ return invoker.invoke(operation, msg);
+ }
+
+ /**
+ * Initialize the invocation chains
+ */
+ private void initInvocationChains() {
+ chains = new ArrayList<InvocationChain>();
+ InterfaceContract sourceContract = wireSource.getInterfaceContract();
+ InterfaceContract targetContract = wireTarget.getInterfaceContract();
+
+ Contract source = wireSource.getContract();
+ if (source instanceof RuntimeComponentReference) {
+ // It's the reference wire
+ RuntimeComponentReference reference = (RuntimeComponentReference)wireSource.getContract();
+ Binding refBinding = wireSource.getBinding();
+ for (Operation operation : sourceContract.getInterface().getOperations()) {
+ Operation targetOperation = interfaceContractMapper.map(targetContract.getInterface(), operation);
+ if (targetOperation == null) {
+ throw new ServiceRuntimeException("No matching operation for " + operation.getName()
+ + " is found in reference "
+ + wireSource.getComponent().getURI()
+ + "#"
+ + reference.getName());
+ }
+ InvocationChain chain = new InvocationChainImpl(operation, targetOperation, true);
+ if (operation.isNonBlocking()) {
+ addNonBlockingInterceptor(reference, refBinding, chain);
+ }
+ addReferenceBindingInterceptor(reference, refBinding, chain, operation);
+ chains.add(chain);
+ }
+ } else {
+ // It's the service wire
+ RuntimeComponentService service = (RuntimeComponentService)wireTarget.getContract();
+ RuntimeComponent serviceComponent = wireTarget.getComponent();
+ Binding serviceBinding = wireTarget.getBinding();
+ for (Operation operation : sourceContract.getInterface().getOperations()) {
+ Operation targetOperation = interfaceContractMapper.map(targetContract.getInterface(), operation);
+ if (targetOperation == null) {
+ throw new ServiceRuntimeException("No matching operation for " + operation.getName()
+ + " is found in service "
+ + serviceComponent.getURI()
+ + "#"
+ + service.getName());
+ }
+ InvocationChain chain = new InvocationChainImpl(operation, targetOperation, false);
+ if (operation.isNonBlocking()) {
+ addNonBlockingInterceptor(service, serviceBinding, chain);
+ }
+ addImplementationInterceptor(serviceComponent, service, chain, targetOperation);
+ chains.add(chain);
+ }
+ }
+ wireProcessor.process(this);
+ }
+
+ public EndpointReference getSource() {
+ return wireSource;
+ }
+
+ public EndpointReference getTarget() {
+ return wireTarget;
+ }
+
+ public void setTarget(EndpointReference target) {
+ if (this.wireTarget != target) {
+ rebuild();
+ }
+ this.wireTarget = target;
+ }
+
+ public void rebuild() {
+ this.chains = null;
+ }
+
+ /**
+ * Add the interceptor for a reference binding
+ *
+ * @param reference
+ * @param binding
+ * @param chain
+ * @param operation
+ */
+ private void addReferenceBindingInterceptor(ComponentReference reference,
+ Binding binding,
+ InvocationChain chain,
+ Operation operation) {
+ ReferenceBindingProvider provider = ((RuntimeComponentReference)reference).getBindingProvider(binding);
+ if (provider != null) {
+ Invoker invoker = provider.createInvoker(operation);
+ if (invoker != null) {
+ chain.addInvoker(invoker);
+ }
+ }
+ List<PolicyProvider> pps = ((RuntimeComponentReference)reference).getPolicyProviders(binding);
+ if (pps != null) {
+ for (PolicyProvider p : pps) {
+ Interceptor interceptor = p.createInterceptor(operation);
+ if (interceptor != null) {
+ chain.addInterceptor(p.getPhase(), p.createInterceptor(operation));
+ }
+ }
+ }
+ }
+
+ /**
+ * Add the interceptor for a binding
+ *
+ * @param reference
+ * @param binding
+ * @param chain
+ * @param operation
+ */
+ private void addServiceBindingInterceptor(ComponentReference service,
+ Binding binding,
+ InvocationChain chain,
+ Operation operation) {
+ List<PolicyProvider> pps = ((RuntimeComponentService)service).getPolicyProviders(binding);
+ if (pps != null) {
+ for (PolicyProvider p : pps) {
+ Interceptor interceptor = p.createInterceptor(operation);
+ if (interceptor != null) {
+ chain.addInterceptor(p.getPhase(), p.createInterceptor(operation));
+ }
+ }
+ }
+ }
+
+ /**
+ * Add a non-blocking interceptor if the reference binding needs it
+ *
+ * @param reference
+ * @param binding
+ * @param chain
+ */
+ private void addNonBlockingInterceptor(ComponentReference reference, Binding binding, InvocationChain chain) {
+ ReferenceBindingProvider provider = ((RuntimeComponentReference)reference).getBindingProvider(binding);
+ if (provider != null) {
+ boolean supportsOneWayInvocation = provider.supportsOneWayInvocation();
+ if (!supportsOneWayInvocation) {
+ chain.addInterceptor(Phase.REFERENCE, new NonBlockingInterceptor(workScheduler));
+ }
+ }
+ }
+
+ /**
+ * Add a non-blocking interceptor if the service binding needs it
+ *
+ * @param service
+ * @param binding
+ * @param chain
+ */
+ private void addNonBlockingInterceptor(ComponentService service, Binding binding, InvocationChain chain) {
+ ServiceBindingProvider provider = ((RuntimeComponentService)service).getBindingProvider(binding);
+ if (provider != null) {
+ if (!provider.supportsOneWayInvocation()) {
+ chain.addInterceptor(Phase.SERVICE, new NonBlockingInterceptor(workScheduler));
+ }
+ }
+ }
+
+ /**
+ * Add the interceptor for a component implementation
+ *
+ * @param component
+ * @param service
+ * @param chain
+ * @param operation
+ */
+ private void addImplementationInterceptor(Component component,
+ ComponentService service,
+ InvocationChain chain,
+ Operation operation) {
+ ImplementationProvider provider = ((RuntimeComponent)component).getImplementationProvider();
+ if (provider != null) {
+ Invoker invoker = null;
+ invoker = provider.createInvoker((RuntimeComponentService)service, operation);
+ chain.addInvoker(invoker);
+ }
+ List<PolicyProvider> pps = ((RuntimeComponent)component).getPolicyProviders();
+ if (pps != null) {
+ for (PolicyProvider p : pps) {
+ Interceptor interceptor = p.createInterceptor(operation);
+ if (interceptor != null) {
+ chain.addInterceptor(p.getPhase(), p.createInterceptor(operation));
+ }
+ }
+ }
+ }
+
+ /**
+ * @see java.lang.Object#clone()
+ */
+ @Override
+ public Object clone() throws CloneNotSupportedException {
+ RuntimeWireImpl copy = (RuntimeWireImpl)super.clone();
+ copy.wireSource = (EndpointReference)wireSource.clone();
+ copy.wireTarget = (EndpointReference)wireTarget.clone();
+ copy.invoker = new RuntimeWireInvoker(copy.messageFactory, copy.conversationManager, copy);
+ return copy;
+ }
+
+ /**
+ * @return the conversationManager
+ */
+ public ConversationManager getConversationManager() {
+ return conversationManager;
+ }
+
+ public synchronized RuntimeWire lookupCache(EndpointReference callback) {
+ if (lastCallback != null && callback.getURI().equals(lastCallback.getURI()) && !wireReserved) {
+ wireReserved = true;
+ return cachedWire;
+ } else {
+ return null;
+ }
+ }
+
+ public synchronized void addToCache(EndpointReference callback, RuntimeWire clonedWire) {
+ ((RuntimeWireImpl)clonedWire).setClonedFrom(this);
+ lastCallback = callback;
+ cachedWire = clonedWire;
+ wireReserved = true;
+ }
+
+ public synchronized void releaseClonedWire(RuntimeWire wire) {
+ if (cachedWire == wire) {
+ wireReserved = false;
+ }
+ }
+
+ public synchronized void releaseWire() {
+ clonedFrom.releaseClonedWire(this);
+ }
+
+ private void setClonedFrom(RuntimeWireImpl wire) {
+ clonedFrom = wire;
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/CallableReferenceImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/CallableReferenceImpl.java
new file mode 100644
index 0000000000..fd8998447d
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/CallableReferenceImpl.java
@@ -0,0 +1,539 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.context;
+
+import java.io.Externalizable;
+import java.io.IOException;
+import java.io.ObjectInput;
+import java.io.ObjectOutput;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.UUID;
+
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.OptimizableBinding;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.SCABinding;
+import org.apache.tuscany.sca.core.assembly.CompositeActivator;
+import org.apache.tuscany.sca.core.assembly.CompositeActivatorImpl;
+import org.apache.tuscany.sca.core.assembly.EndpointReferenceImpl;
+import org.apache.tuscany.sca.core.assembly.EndpointWireImpl;
+import org.apache.tuscany.sca.core.assembly.ReferenceParametersImpl;
+import org.apache.tuscany.sca.core.conversation.ConversationManager;
+import org.apache.tuscany.sca.core.conversation.ConversationState;
+import org.apache.tuscany.sca.core.conversation.ExtendedConversation;
+import org.apache.tuscany.sca.core.factory.ObjectCreationException;
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.runtime.EndpointReference;
+import org.apache.tuscany.sca.runtime.ReferenceParameters;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.osoa.sca.CallableReference;
+import org.osoa.sca.Conversation;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * Base class for implementations of service and callback references.
+ *
+ * @version $Rev$ $Date$
+ * @param <B> the type of the business interface
+ */
+public class CallableReferenceImpl<B> implements CallableReference<B>, Externalizable {
+ static final long serialVersionUID = -521548304761848325L;
+ protected transient CompositeActivator compositeActivator;
+ protected transient ProxyFactory proxyFactory;
+ protected transient Class<B> businessInterface;
+ protected transient Object proxy;
+
+ // if the wire targets a conversational service this holds the conversation state
+ protected transient ConversationManager conversationManager;
+ protected transient ExtendedConversation conversation;
+ protected transient Object conversationID;
+ protected Object callbackID; // The callbackID should be serializable
+
+ protected transient RuntimeComponent component;
+ protected transient RuntimeComponentReference reference;
+ protected transient Binding binding;
+
+ protected String scdl;
+
+ private transient RuntimeComponentReference clonedRef;
+ private transient ReferenceParameters refParams;
+ private transient XMLStreamReader xmlReader;
+
+ private transient RuntimeWire endpointWire;
+
+ /*
+ * Public constructor for Externalizable serialization/deserialization
+ */
+ public CallableReferenceImpl() {
+ super();
+ }
+
+ /*
+ * Public constructor for use by XMLStreamReader2CallableReference
+ */
+ public CallableReferenceImpl(XMLStreamReader xmlReader) throws Exception {
+ this.xmlReader = xmlReader;
+ resolve();
+ }
+
+ protected CallableReferenceImpl(Class<B> businessInterface,
+ RuntimeComponent component,
+ RuntimeComponentReference reference,
+ Binding binding,
+ ProxyFactory proxyFactory,
+ CompositeActivator compositeActivator) {
+ this.proxyFactory = proxyFactory;
+ this.businessInterface = businessInterface;
+ this.component = component;
+ this.reference = reference;
+ this.binding = binding;
+ // FIXME: The SCA Specification is not clear how we should handle multiplicity
+ // for CallableReference
+ if (this.binding == null) {
+ this.binding = this.reference.getBinding(SCABinding.class);
+ if (this.binding == null) {
+ this.binding = this.reference.getBindings().get(0);
+ }
+ }
+
+ // FIXME: Should we normalize the componentName/serviceName URI into an absolute SCA URI in the SCA binding?
+ // sca:component1/component11/component112/service1?
+ this.compositeActivator = compositeActivator;
+ this.conversationManager = this.compositeActivator.getConversationManager();
+ initCallbackID();
+ }
+
+ public CallableReferenceImpl(Class<B> businessInterface, RuntimeWire wire, ProxyFactory proxyFactory) {
+ this.proxyFactory = proxyFactory;
+ this.businessInterface = businessInterface;
+ bind(wire);
+ }
+
+ public RuntimeWire getRuntimeWire() {
+ try {
+ resolve();
+ if (endpointWire != null){
+ return endpointWire;
+ } else if (reference != null) {
+ return reference.getRuntimeWire(binding);
+ } else {
+ return null;
+ }
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+ }
+
+ protected void bind(RuntimeWire wire) {
+ if (wire != null) {
+
+ if (wire instanceof EndpointWireImpl){
+ endpointWire = wire;
+ }
+ this.component = wire.getSource().getComponent();
+ this.reference = (RuntimeComponentReference)wire.getSource().getContract();
+ this.binding = wire.getSource().getBinding();
+ this.compositeActivator = ((ComponentContextImpl)component.getComponentContext()).getCompositeActivator();
+ this.conversationManager = this.compositeActivator.getConversationManager();
+ initCallbackID();
+ }
+ }
+
+ protected void initCallbackID() {
+ if (reference.getInterfaceContract().getCallbackInterface() != null) {
+ this.callbackID = createCallbackID();
+ }
+ }
+
+ public B getProxy() throws ObjectCreationException {
+ try {
+ if (proxy == null) {
+ proxy = createProxy();
+ }
+ return businessInterface.cast(proxy);
+ } catch (Exception e) {
+ throw new ObjectCreationException(e);
+ }
+ }
+
+ public void setProxy(Object proxy) {
+ this.proxy = proxy;
+ }
+
+ protected Object createProxy() throws Exception {
+ return proxyFactory.createProxy(this);
+ }
+
+ public B getService() {
+ try {
+ resolve();
+ return getProxy();
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+ }
+
+ public Class<B> getBusinessInterface() {
+ try {
+ resolve();
+ return businessInterface;
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+ }
+
+ public boolean isConversational() {
+ try {
+ resolve();
+ return reference == null ? false : reference.getInterfaceContract().getInterface().isConversational();
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+ }
+
+ public Conversation getConversation() {
+ try {
+ // resolve from XML just in case this CallableReference is the result of
+ // passing a CallableReference as a parameter
+ resolve();
+
+ if (conversation == null || conversation.getState() == ConversationState.ENDED) {
+ conversation = null;
+ }
+ return conversation;
+
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+ }
+
+ public Object getCallbackID() {
+ try {
+ resolve();
+ return callbackID;
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+ }
+
+ /**
+ * @see java.io.Externalizable#readExternal(java.io.ObjectInput)
+ */
+ public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
+ final boolean hasSCDL = in.readBoolean();
+ if (hasSCDL) {
+ this.scdl = in.readUTF();
+ } else {
+ this.scdl = null;
+ }
+ }
+
+ /**
+ * @throws IOException
+ */
+ private synchronized void resolve() throws Exception {
+ if ((scdl != null || xmlReader != null) && component == null && reference == null) {
+ ComponentContextHelper componentContextHelper = ComponentContextHelper.getCurrentComponentContextHelper();
+ if (componentContextHelper != null) {
+ this.compositeActivator = ComponentContextHelper.getCurrentCompositeActivator();
+ this.conversationManager = this.compositeActivator.getConversationManager();
+ Component c;
+ if (xmlReader != null) {
+ c = componentContextHelper.fromXML(xmlReader);
+ xmlReader = null; // OK to GC this now
+ } else {
+ c = componentContextHelper.fromXML(scdl);
+ scdl = null; // OK to GC this now
+ }
+ this.component = (RuntimeComponent)c;
+ compositeActivator.configureComponentContext(this.component);
+ this.reference = (RuntimeComponentReference)c.getReferences().get(0);
+ this.reference.setComponent(this.component);
+ clonedRef = reference;
+ ReferenceParameters parameters = null;
+ for (Object ext : reference.getExtensions()) {
+ if (ext instanceof ReferenceParameters) {
+ parameters = (ReferenceParameters)ext;
+ break;
+ }
+ }
+ if (parameters != null) {
+ refParams = parameters;
+ this.callbackID = parameters.getCallbackID();
+ attachConversation(parameters.getConversationID());
+ }
+
+ for (Binding binding : reference.getBindings()) {
+ if (binding instanceof OptimizableBinding) {
+ // Split up the URI
+ final String[] splitURI = splitComponentURI(binding.getURI());
+ final String componentURI = splitURI[0];
+ final String serviceName = splitURI[1];
+
+ // Resolve the Component
+ final Component targetComponent = resolveComponentURI(componentURI);
+
+ // Find the Service
+ final ComponentService targetService = resolveService(serviceName, targetComponent);
+
+ OptimizableBinding optimizableBinding = (OptimizableBinding)binding;
+ optimizableBinding.setTargetComponent(targetComponent);
+ optimizableBinding.setTargetComponentService(targetService);
+ if (targetService != null) {
+ for (Binding serviceBinding : targetService.getBindings()) {
+ if (serviceBinding.getClass() == binding.getClass()) {
+ optimizableBinding.setTargetBinding(serviceBinding);
+ break;
+ }
+ }
+ }
+ }
+ }
+ // FIXME: The SCA Specification is not clear how we should handle multiplicity
+ // for CallableReference
+ if (binding == null) {
+ binding = reference.getBinding(SCABinding.class);
+ if (binding == null) {
+ binding = reference.getBindings().get(0);
+ }
+ }
+ Interface i = reference.getInterfaceContract().getInterface();
+ if (i instanceof JavaInterface) {
+ JavaInterface javaInterface = (JavaInterface)i;
+ if (javaInterface.isUnresolved()) {
+ // Allow privileged access to get ClassLoader. Requires RuntimePermission in
+ // security policy.
+ ClassLoader classLoader = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
+ public ClassLoader run() {
+ return Thread.currentThread().getContextClassLoader();
+ }
+ });
+ javaInterface.setJavaClass(classLoader.loadClass(javaInterface.getName()));
+ compositeActivator.getJavaInterfaceFactory().createJavaInterface(javaInterface,
+ javaInterface.getJavaClass());
+ //FIXME: If the interface needs XSDs to be loaded (e.g., for static SDO),
+ // this needs to be done here. We usually search for XSDs in the current
+ // contribution at resolve time. Is it possible to locate the current
+ // contribution at runtime?
+ }
+ this.businessInterface = (Class<B>)javaInterface.getJavaClass();
+ }
+ this.proxyFactory = compositeActivator.getProxyFactory();
+ }
+ } else {
+ this.compositeActivator = ComponentContextHelper.getCurrentCompositeActivator();
+ if (this.compositeActivator != null) {
+ this.proxyFactory = this.compositeActivator.getProxyFactory();
+ }
+ }
+ }
+
+ /**
+ * @see java.io.Externalizable#writeExternal(java.io.ObjectOutput)
+ */
+ public void writeExternal(ObjectOutput out) throws IOException {
+ try {
+ final String xml = toXMLString();
+ if (xml == null) {
+ out.writeBoolean(false);
+ } else {
+ out.writeBoolean(true);
+ out.writeUTF(toXMLString());
+ }
+ } catch (Exception e) {
+ // e.printStackTrace();
+ throw new IOException(e.getMessage());
+ }
+ }
+
+ public String toXMLString() throws IOException {
+ if (reference != null) {
+ if (clonedRef == null) {
+ try {
+ clonedRef = (RuntimeComponentReference)reference.clone();
+ } catch (CloneNotSupportedException e) {
+ // will not happen
+ }
+ }
+ if (refParams == null) {
+ refParams = new ReferenceParametersImpl();
+
+ // remove any existing reference parameters from the clone
+ Object toRemove = null;
+ for (Object extension : clonedRef.getExtensions()){
+ if (extension instanceof ReferenceParameters){
+ toRemove = extension;
+ }
+ }
+
+ if (toRemove != null){
+ clonedRef.getExtensions().remove(toRemove);
+ }
+
+ // add the new reference parameter object
+ clonedRef.getExtensions().add(refParams);
+ }
+ refParams.setCallbackID(callbackID);
+ if (conversation != null){
+ refParams.setConversationID(conversation.getConversationID());
+ }
+ return ((CompositeActivatorImpl)compositeActivator).getComponentContextHelper()
+ .toXML(component, clonedRef);
+ } else {
+ return scdl;
+ }
+ }
+
+ /**
+ * Create a callback id
+ *
+ * @return the callback id
+ */
+ private String createCallbackID() {
+ return UUID.randomUUID().toString();
+ }
+
+ public void attachCallbackID(Object callbackID) {
+ this.callbackID = callbackID;
+ }
+
+ public void attachConversationID(Object conversationID) {
+ this.conversationID = conversationID;
+ }
+
+ public void attachConversation(ExtendedConversation conversation) {
+ this.conversation = conversation;
+ }
+
+ public void attachConversation(Object conversationID) {
+ if (conversationID != null) {
+ ExtendedConversation conversation = conversationManager.getConversation(conversationID);
+ if (conversation == null){
+ conversation = conversationManager.startConversation(conversationID);
+ }
+ this.conversation = conversation;
+ } else {
+ this.conversation = null;
+ }
+ }
+
+ protected ReferenceParameters getReferenceParameters() {
+ ReferenceParameters parameters = new ReferenceParametersImpl();
+ parameters.setCallbackID(callbackID);
+ if (getConversation() != null) {
+ parameters.setConversationID(conversation.getConversationID());
+ }
+ return parameters;
+ }
+
+ public EndpointReference getEndpointReference() {
+ try {
+ resolve();
+
+ // Use the interface contract of the reference on the component type
+ Reference componentTypeRef = reference.getReference();
+ InterfaceContract sourceContract =
+ componentTypeRef == null ? reference.getInterfaceContract() : componentTypeRef.getInterfaceContract();
+ sourceContract = sourceContract.makeUnidirectional(false);
+ EndpointReference epr = new EndpointReferenceImpl(component, reference, binding, sourceContract);
+ ReferenceParameters parameters = getReferenceParameters();
+ epr.setReferenceParameters(parameters);
+ return epr;
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+ }
+
+ public XMLStreamReader getXMLReader() {
+ return xmlReader;
+ }
+
+ /**
+ * Resolves the specified URI to a Component using the compositeActivator.
+ *
+ * @param componentURI The URI of the Component to resolve
+ * @return The Component for the specified URI or null if not founds
+ */
+ protected Component resolveComponentURI(String componentURI) {
+ final String[] splitUri = splitComponentURI(componentURI);
+ return compositeActivator.resolve(splitUri[0]);
+ }
+
+ /**
+ * This method will split the specified URI into the Component URI
+ * and Service Name.
+ *
+ * @param componentURI The URI to split
+ * @return [0] = Component URI [1] = ServiceName
+ */
+ protected String[] splitComponentURI(String componentURI) {
+ final String[] result = new String[2];
+
+ if (componentURI.startsWith("/")) {
+ componentURI = componentURI.substring(1);
+ }
+ final int index = componentURI.lastIndexOf('/');
+ String serviceName = "";
+ if (index > -1) {
+ serviceName = componentURI.substring(index + 1);
+ componentURI = componentURI.substring(0, index);
+ }
+
+ // Return the results
+ result[0] = componentURI;
+ result[1] = serviceName;
+ return result;
+ }
+
+ /**
+ * Examines the Services on the specified Component and returns the Service that matches the
+ * specified name.
+ *
+ * @param serviceName The name of the Service to resolve on the Component
+ * @param targetComponent The Component containing the Services
+ * @return The Service with the specified serviceName or null if no such Service found.
+ */
+ protected ComponentService resolveService(String serviceName, Component targetComponent) {
+ ComponentService targetService = null;
+ if (targetComponent != null) {
+ if ("".equals(serviceName)) {
+ targetService = ComponentContextHelper.getSingleService(targetComponent);
+ } else {
+ for (ComponentService service : targetComponent.getServices()) {
+ if (service.getName().equals(serviceName)) {
+ targetService = service;
+ break;
+ }
+ }
+ }
+ }
+
+ return targetService;
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ComponentContextHelper.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ComponentContextHelper.java
new file mode 100644
index 0000000000..78b0887482
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ComponentContextHelper.java
@@ -0,0 +1,320 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.context;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLOutputFactory;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.Multiplicity;
+import org.apache.tuscany.sca.assembly.OptimizableBinding;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.core.assembly.CompositeActivator;
+import org.apache.tuscany.sca.core.invocation.ThreadMessageContext;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.runtime.EndpointReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class ComponentContextHelper {
+
+ private final AssemblyFactory assemblyFactory;
+ private final JavaInterfaceFactory javaInterfaceFactory;
+ private final StAXArtifactProcessorExtensionPoint staxProcessors;
+
+ /**
+ * @param assemblyFactory The factory to create assembly models
+ * @param processors The extension point for StAX artifact processors
+ */
+ public ComponentContextHelper(AssemblyFactory assemblyFactory,
+ JavaInterfaceFactory javaInterfaceFactory,
+ StAXArtifactProcessorExtensionPoint processors) {
+ this.assemblyFactory = assemblyFactory;
+ this.javaInterfaceFactory = javaInterfaceFactory;
+ this.staxProcessors = processors;
+ }
+
+ /**
+ * Create a self-reference for a component service
+ * @param component
+ * @param service
+ * @throws CloneNotSupportedException
+ * @throws InvalidInterfaceException
+ */
+ public ComponentReference createSelfReference(Component component,
+ ComponentService service,
+ Class<?> businessInterface) throws CloneNotSupportedException,
+ InvalidInterfaceException {
+ ComponentReference componentReference = assemblyFactory.createComponentReference();
+ componentReference.setName("$self$." + service.getName());
+ for (Binding binding : service.getBindings()) {
+ if (binding instanceof OptimizableBinding) {
+ OptimizableBinding optimizableBinding = (OptimizableBinding)((OptimizableBinding)binding).clone();
+ optimizableBinding.setTargetBinding(binding);
+ optimizableBinding.setTargetComponent(component);
+ optimizableBinding.setTargetComponentService(service);
+ componentReference.getBindings().add(optimizableBinding);
+ } else {
+ componentReference.getBindings().add(binding);
+ }
+ }
+
+ componentReference.setCallback(service.getCallback());
+ componentReference.getTargets().add(service);
+ componentReference.getPolicySets().addAll(service.getPolicySets());
+ componentReference.getRequiredIntents().addAll(service.getRequiredIntents());
+
+ InterfaceContract interfaceContract = service.getInterfaceContract();
+ Service componentTypeService = service.getService();
+ if (componentTypeService != null && componentTypeService.getInterfaceContract() != null) {
+ interfaceContract = componentTypeService.getInterfaceContract();
+ }
+ interfaceContract = getInterfaceContract(interfaceContract, businessInterface);
+ componentReference.setInterfaceContract(interfaceContract);
+ componentReference.setMultiplicity(Multiplicity.ONE_ONE);
+ // component.getReferences().add(componentReference);
+ return componentReference;
+ }
+
+ /**
+ * @param interfaceContract
+ * @param businessInterface
+ * @return
+ * @throws CloneNotSupportedException
+ * @throws InvalidInterfaceException
+ */
+ private InterfaceContract getInterfaceContract(InterfaceContract interfaceContract, Class<?> businessInterface)
+ throws CloneNotSupportedException, InvalidInterfaceException {
+ Interface interfaze = interfaceContract.getInterface();
+ boolean compatible = false;
+ if (interfaze instanceof JavaInterface) {
+ Class<?> cls = ((JavaInterface)interfaze).getJavaClass();
+ if (businessInterface.isAssignableFrom(cls)) {
+ compatible = true;
+ }
+ }
+ if (!compatible) {
+ // The interface is not assignable from the interface contract
+ interfaceContract = (InterfaceContract)interfaceContract.clone();
+ interfaceContract.setInterface(javaInterfaceFactory.createJavaInterface(businessInterface));
+ }
+
+ return interfaceContract;
+ }
+
+ /**
+ * Bind a component reference to a component service
+ * @param <B>
+ * @param businessInterface
+ * @param reference
+ * @param service
+ * @return
+ * @throws CloneNotSupportedException
+ * @throws InvalidInterfaceException
+ */
+ public RuntimeComponentReference bindComponentReference(Class<?> businessInterface,
+ RuntimeComponentReference reference,
+ RuntimeComponent component,
+ RuntimeComponentService service)
+ throws CloneNotSupportedException, InvalidInterfaceException {
+ RuntimeComponentReference ref = (RuntimeComponentReference)reference.clone();
+ InterfaceContract interfaceContract = reference.getInterfaceContract();
+ Reference componentTypeReference = reference.getReference();
+ if (componentTypeReference != null && componentTypeReference.getInterfaceContract() != null) {
+ interfaceContract = componentTypeReference.getInterfaceContract();
+ }
+ InterfaceContract refInterfaceContract = getInterfaceContract(interfaceContract, businessInterface);
+ if (refInterfaceContract != interfaceContract) {
+ ref = (RuntimeComponentReference)reference.clone();
+ ref.setInterfaceContract(interfaceContract);
+ }
+ ref.setComponent(component);
+ ref.getTargets().add(service);
+ ref.getBindings().clear();
+ for (Binding binding : service.getBindings()) {
+ if (binding instanceof OptimizableBinding) {
+ OptimizableBinding optimizableBinding = (OptimizableBinding)((OptimizableBinding)binding).clone();
+ optimizableBinding.setTargetBinding(binding);
+ optimizableBinding.setTargetComponent(component);
+ optimizableBinding.setTargetComponentService(service);
+ ref.getBindings().add(optimizableBinding);
+ } else {
+ ref.getBindings().add(binding);
+ }
+ }
+ return ref;
+ }
+
+ public void write(Component component, ComponentReference reference, Writer writer) throws IOException {
+ write(component, reference, null, writer);
+ }
+
+ public void write(Component component, ComponentReference reference, ComponentService service, Writer writer) throws IOException {
+ try {
+ StAXArtifactProcessor<Composite> processor = staxProcessors.getProcessor(Composite.class);
+ Composite composite = assemblyFactory.createComposite();
+ composite.setName(new QName("http://tuscany.apache.org/xmlns/sca/1.0", "default"));
+ Component comp = assemblyFactory.createComponent();
+ comp.setName("default");
+ comp.setURI(component.getURI());
+ composite.getComponents().add(comp);
+ if (reference != null) {
+ comp.getReferences().add(reference);
+ }
+ if (service != null) {
+ comp.getServices().add(service);
+ }
+
+ XMLOutputFactory outputFactory = XMLOutputFactory.newInstance();
+ XMLStreamWriter streamWriter = outputFactory.createXMLStreamWriter(writer);
+ processor.write(composite, streamWriter);
+ } catch (Exception e) {
+ throw new IOException(e.getMessage());
+ }
+ }
+
+ public String toXML(Component component, ComponentReference reference) throws IOException {
+ StringWriter writer = new StringWriter();
+ write(component, reference, writer);
+ return writer.toString();
+ }
+
+ public String toXML(Component component, ComponentService service) throws IOException {
+ StringWriter writer = new StringWriter();
+ write(component, null, service, writer);
+ return writer.toString();
+ }
+
+ public RuntimeComponent read(Reader reader) throws IOException {
+ try {
+ XMLInputFactory inputFactory = XMLInputFactory.newInstance();
+ XMLStreamReader streamReader = inputFactory.createXMLStreamReader(reader);
+ return read(streamReader);
+ } catch (Exception e) {
+ throw new IOException(e.getMessage());
+ }
+ }
+
+ public RuntimeComponent read(XMLStreamReader streamReader) throws IOException {
+ try {
+ StAXArtifactProcessor<Composite> processor = staxProcessors.getProcessor(Composite.class);
+ Composite composite = processor.read(streamReader);
+ RuntimeComponent component = (RuntimeComponent)composite.getComponents().get(0);
+ return component;
+ } catch (Exception e) {
+ throw new IOException(e.getMessage());
+ }
+ }
+
+ public Component fromXML(String xml) throws IOException {
+ return read(new StringReader(xml));
+ }
+
+ public Component fromXML(XMLStreamReader streamReader) throws IOException {
+ return read(streamReader);
+ }
+
+ public static RuntimeComponent getCurrentComponent() {
+ Message message = ThreadMessageContext.getMessageContext();
+ if (message != null) {
+ EndpointReference to = message.getTo();
+ if (to == null) {
+ return null;
+ }
+ RuntimeComponent component = message.getTo().getComponent();
+ return component;
+ }
+ return null;
+ }
+
+ public static CompositeActivator getCurrentCompositeActivator() {
+ RuntimeComponent component = getCurrentComponent();
+ if (component != null) {
+ ComponentContextImpl context = (ComponentContextImpl)component.getComponentContext();
+ return context.getCompositeActivator();
+ }
+ return null;
+ }
+
+ public static ComponentContextHelper getCurrentComponentContextHelper() {
+ CompositeActivator activator = getCurrentCompositeActivator();
+ if (activator != null) {
+ return activator.getComponentContextHelper();
+ }
+ return null;
+ }
+
+ /**
+ * @param component
+ */
+ public static ComponentService getSingleService(Component component) {
+ ComponentService targetService;
+ List<ComponentService> services = component.getServices();
+ List<ComponentService> regularServices = new ArrayList<ComponentService>();
+ for (ComponentService service : services) {
+ if (service.isCallback()) {
+ continue;
+ }
+ String name = service.getName();
+ if (!name.startsWith("$") || name.startsWith("$dynamic$")) {
+ regularServices.add(service);
+ }
+ }
+ if (regularServices.size() == 0) {
+ throw new ServiceRuntimeException("No service is declared on component " + component.getURI());
+ }
+ if (regularServices.size() != 1) {
+ throw new ServiceRuntimeException("More than one service is declared on component " + component.getURI()
+ + ". Service name is required to get the service.");
+ }
+ targetService = regularServices.get(0);
+ return targetService;
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ComponentContextImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ComponentContextImpl.java
new file mode 100644
index 0000000000..33de9f34bb
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ComponentContextImpl.java
@@ -0,0 +1,396 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.context;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.io.Writer;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentProperty;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Multiplicity;
+import org.apache.tuscany.sca.assembly.OptimizableBinding;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.context.PropertyValueFactory;
+import org.apache.tuscany.sca.context.RequestContextFactory;
+import org.apache.tuscany.sca.core.assembly.CompositeActivator;
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentContext;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.osoa.sca.CallableReference;
+import org.osoa.sca.RequestContext;
+import org.osoa.sca.ServiceReference;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * Implementation of ComponentContext that delegates to a ComponentContextProvider.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ComponentContextImpl implements RuntimeComponentContext {
+ private final RuntimeComponent component;
+
+ private final CompositeActivator compositeActivator;
+ private final RequestContextFactory requestContextFactory;
+ private final ProxyFactory proxyFactory;
+ private final AssemblyFactory assemblyFactory;
+ private final JavaInterfaceFactory javaInterfaceFactory;
+
+ /**
+ * This is a reference to the PropertyValueFactory that is provided by the Implementation
+ * that can be used to get the value from a Property Object.
+ *
+ * @see #setPropertyValueFactory(PropertyValueFactory)
+ * @see #getProperty(Class, String)
+ */
+ private PropertyValueFactory propertyFactory;
+
+ public ComponentContextImpl(CompositeActivator compositeActivator,
+ AssemblyFactory assemblyFactory,
+ ProxyFactory proxyFactory,
+ InterfaceContractMapper interfaceContractMapper,
+ RequestContextFactory requestContextFactory,
+ JavaInterfaceFactory javaInterfaceFactory,
+ RuntimeComponent component) {
+ super();
+ this.compositeActivator = compositeActivator;
+ this.assemblyFactory = assemblyFactory;
+ this.proxyFactory = proxyFactory;
+ this.requestContextFactory = requestContextFactory;
+ this.javaInterfaceFactory = javaInterfaceFactory;
+ this.component = component;
+ }
+
+ public String getURI() {
+ return component.getURI();
+ }
+
+ public <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException {
+ return (R)proxyFactory.cast(target);
+ }
+
+ public <B> B getService(Class<B> businessInterface, String referenceName) {
+ ServiceReference<B> serviceRef = getServiceReference(businessInterface, referenceName);
+ return serviceRef.getService();
+ }
+
+ public <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, String referenceName) {
+ try {
+ for (ComponentReference ref : component.getReferences()) {
+ if (referenceName.equals(ref.getName())) {
+ return getServiceReference(businessInterface, (RuntimeComponentReference)ref, null);
+ }
+ }
+ throw new ServiceRuntimeException("Reference not found: " + referenceName);
+ } catch (ServiceRuntimeException e) {
+ throw e;
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e.getMessage(), e);
+ }
+ }
+
+ /**
+ * The Implementation is responsible for calling this method to set the
+ * PropertyValueFactory that is used to get the Property Value from
+ * a Tuscany Property object.
+ *
+ * @param factory The PropertyValueFactory to use
+ *
+ * @see #getProperty(Class, String)
+ */
+ public void setPropertyValueFactory(PropertyValueFactory factory) {
+ propertyFactory = factory;
+ }
+
+ /**
+ * Gets the value for the specified property with the specified type.
+ *
+ * @param type The type of the property value we are getting
+ * @param propertyName The name of the property we are getting
+ * @param B The class of the property value we are getting
+ *
+ * @throws ServiceRuntimeException If a Property for the specified propertyName
+ * is not found
+ *
+ * @see #setPropertyValueFactory(PropertyValueFactory)
+ */
+ public <B> B getProperty(Class<B> type, String propertyName) {
+ for (ComponentProperty p : component.getProperties()) {
+ if (propertyName.equals(p.getName())) {
+ return propertyFactory.createPropertyValue(p, type);
+ }
+ }
+ throw new ServiceRuntimeException("Property not found: " + propertyName);
+ }
+
+ public <B> ServiceReference<B> createSelfReference(Class<B> businessInterface) {
+ ComponentService service = ComponentContextHelper.getSingleService(component);
+ try {
+ return createSelfReference(businessInterface, service);
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e.getMessage(), e);
+ }
+ }
+
+ public <B> ServiceReference<B> createSelfReference(Class<B> businessInterface, String serviceName) {
+ try {
+ for (ComponentService service : component.getServices()) {
+ if (serviceName.equals(service.getName())) {
+ return createSelfReference(businessInterface, service);
+ }
+ }
+ throw new ServiceRuntimeException("Service not found: " + serviceName);
+ } catch (ServiceRuntimeException e) {
+ throw e;
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e.getMessage(), e);
+ }
+ }
+
+ /**
+ * @param <B>
+ * @param businessInterface
+ * @param service
+ * @return
+ */
+ public <B> ServiceReference<B> createSelfReference(Class<B> businessInterface, ComponentService service) {
+ try {
+ RuntimeComponentReference ref =
+ (RuntimeComponentReference)createSelfReference(component, service, businessInterface);
+ ref.setComponent(component);
+ return getServiceReference(businessInterface, ref, null);
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+ }
+
+ public RequestContext getRequestContext() {
+ if (requestContextFactory != null) {
+ return requestContextFactory.createRequestContext();
+ } else {
+ return new RequestContextImpl(proxyFactory);
+ }
+ }
+
+ /**
+ * @param businessInterface
+ * @param reference
+ * @return
+ * @throws CloneNotSupportedException
+ * @throws InvalidInterfaceException
+ */
+ public <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, RuntimeComponentReference reference, Binding binding) {
+ try {
+ RuntimeComponentReference ref = (RuntimeComponentReference)reference;
+ InterfaceContract interfaceContract = reference.getInterfaceContract();
+ Reference componentTypeReference = reference.getReference();
+ if (componentTypeReference != null && componentTypeReference.getInterfaceContract() != null) {
+ interfaceContract = componentTypeReference.getInterfaceContract();
+ }
+ InterfaceContract refInterfaceContract = getInterfaceContract(interfaceContract, businessInterface);
+ if (refInterfaceContract != interfaceContract) {
+ ref = (RuntimeComponentReference)reference.clone();
+ ref.setInterfaceContract(interfaceContract);
+ }
+ ref.setComponent(component);
+ return new ServiceReferenceImpl<B>(businessInterface, component, ref, binding, proxyFactory, compositeActivator);
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+ }
+
+ /**
+ * Bind a component reference to a component service
+ * @param <B>
+ * @param businessInterface
+ * @param reference
+ * @param service
+ * @return
+ * @throws CloneNotSupportedException
+ * @throws InvalidInterfaceException
+ */
+ public <B> ServiceReference<B> getServiceReference(Class<B> businessInterface,
+ RuntimeComponentReference reference,
+ RuntimeComponent component,
+ RuntimeComponentService service) {
+ try {
+ RuntimeComponentReference ref = (RuntimeComponentReference)reference.clone();
+ InterfaceContract interfaceContract = reference.getInterfaceContract();
+ Reference componentTypeReference = reference.getReference();
+ if (componentTypeReference != null && componentTypeReference.getInterfaceContract() != null) {
+ interfaceContract = componentTypeReference.getInterfaceContract();
+ }
+ InterfaceContract refInterfaceContract = getInterfaceContract(interfaceContract, businessInterface);
+ if (refInterfaceContract != interfaceContract) {
+ ref = (RuntimeComponentReference)reference.clone();
+ ref.setInterfaceContract(interfaceContract);
+ }
+ ref.getTargets().add(service);
+ ref.getBindings().clear();
+ for (Binding binding : service.getBindings()) {
+ if (binding instanceof OptimizableBinding) {
+ OptimizableBinding optimizableBinding = (OptimizableBinding)((OptimizableBinding)binding).clone();
+ optimizableBinding.setTargetBinding(binding);
+ optimizableBinding.setTargetComponent(component);
+ optimizableBinding.setTargetComponentService(service);
+ ref.getBindings().add(optimizableBinding);
+ } else {
+ ref.getBindings().add(binding);
+ }
+ }
+ return new ServiceReferenceImpl<B>(businessInterface, component, ref, proxyFactory, compositeActivator);
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+ }
+
+ public <B> CallableReference<B> getCallableReference(Class<B> businessInterface,
+ RuntimeComponent component,
+ RuntimeComponentService service) {
+ try {
+ if (businessInterface == null) {
+ InterfaceContract contract = service.getInterfaceContract();
+ businessInterface = (Class<B>)((JavaInterface)contract.getInterface()).getJavaClass();
+ }
+ RuntimeComponentReference ref =
+ (RuntimeComponentReference)createSelfReference(component, service, businessInterface);
+ ref.setComponent(component);
+ return new CallableReferenceImpl<B>(businessInterface, component, ref, null, proxyFactory,
+ compositeActivator);
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+ }
+
+ /**
+ * Create a self-reference for a component service
+ * @param component
+ * @param service
+ * @throws CloneNotSupportedException
+ * @throws InvalidInterfaceException
+ */
+ private ComponentReference createSelfReference(Component component,
+ ComponentService service,
+ Class<?> businessInterface) throws CloneNotSupportedException,
+ InvalidInterfaceException {
+ ComponentReference componentReference = assemblyFactory.createComponentReference();
+ componentReference.setName("$self$." + service.getName());
+ for (Binding binding : service.getBindings()) {
+ if (binding instanceof OptimizableBinding) {
+ OptimizableBinding optimizableBinding = (OptimizableBinding)((OptimizableBinding)binding).clone();
+ optimizableBinding.setTargetBinding(binding);
+ optimizableBinding.setTargetComponent(component);
+ optimizableBinding.setTargetComponentService(service);
+ componentReference.getBindings().add(optimizableBinding);
+ } else {
+ componentReference.getBindings().add(binding);
+ }
+ }
+
+ componentReference.setCallback(service.getCallback());
+ componentReference.getTargets().add(service);
+ componentReference.getPolicySets().addAll(service.getPolicySets());
+ componentReference.getRequiredIntents().addAll(service.getRequiredIntents());
+
+ InterfaceContract interfaceContract = service.getInterfaceContract();
+ Service componentTypeService = service.getService();
+ if (componentTypeService != null && componentTypeService.getInterfaceContract() != null) {
+ interfaceContract = componentTypeService.getInterfaceContract();
+ }
+ interfaceContract = getInterfaceContract(interfaceContract, businessInterface);
+ componentReference.setInterfaceContract(interfaceContract);
+ componentReference.setMultiplicity(Multiplicity.ONE_ONE);
+ // component.getReferences().add(componentReference);
+ return componentReference;
+ }
+
+ /**
+ * @param interfaceContract
+ * @param businessInterface
+ * @return
+ * @throws CloneNotSupportedException
+ * @throws InvalidInterfaceException
+ */
+ private InterfaceContract getInterfaceContract(InterfaceContract interfaceContract, Class<?> businessInterface)
+ throws CloneNotSupportedException, InvalidInterfaceException {
+ Interface interfaze = interfaceContract.getInterface();
+ boolean compatible = false;
+ if (interfaze instanceof JavaInterface) {
+ Class<?> cls = ((JavaInterface)interfaze).getJavaClass();
+ if (businessInterface.isAssignableFrom(cls)) {
+ compatible = true;
+ }
+ }
+ if (!compatible) {
+ // The interface is not assignable from the interface contract
+ interfaceContract = javaInterfaceFactory.createJavaInterfaceContract();
+ JavaInterface callInterface = javaInterfaceFactory.createJavaInterface(businessInterface);
+ interfaceContract.setInterface(callInterface);
+ if (callInterface.getCallbackClass() != null) {
+ interfaceContract.setCallbackInterface(javaInterfaceFactory.createJavaInterface(callInterface
+ .getCallbackClass()));
+ }
+ }
+
+ return interfaceContract;
+ }
+
+ /**
+ * @return the compositeActivator
+ */
+ public CompositeActivator getCompositeActivator() {
+ return compositeActivator;
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.runtime.RuntimeComponentContext#start(org.apache.tuscany.sca.runtime.RuntimeComponentReference)
+ */
+ public void start(RuntimeComponentReference reference) {
+ compositeActivator.start(component, reference);
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.runtime.RuntimeComponentContext#read(java.io.Reader)
+ */
+ public RuntimeComponent read(Reader reader) throws IOException {
+ RuntimeComponent component = compositeActivator.getComponentContextHelper().read(reader);
+ compositeActivator.configureComponentContext(component);
+ return component;
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.runtime.RuntimeComponentContext#write(org.apache.tuscany.sca.runtime.RuntimeComponentReference, java.io.Writer)
+ */
+ public void write(RuntimeComponentReference reference, Writer writer) throws IOException {
+ compositeActivator.getComponentContextHelper().write(component, reference, writer);
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/DefaultComponentContextFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/DefaultComponentContextFactory.java
new file mode 100644
index 0000000000..c5b68389b2
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/DefaultComponentContextFactory.java
@@ -0,0 +1,70 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.core.context;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.context.ComponentContextFactory;
+import org.apache.tuscany.sca.context.RequestContextFactory;
+import org.apache.tuscany.sca.core.assembly.CompositeActivator;
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.osoa.sca.ComponentContext;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class DefaultComponentContextFactory implements ComponentContextFactory {
+ private final CompositeActivator compositeActivator;
+ private final RequestContextFactory requestContextFactory;
+ private final ProxyFactory proxyFactory;
+ private final AssemblyFactory assemblyFactory;
+ private final JavaInterfaceFactory javaInterfaceFactory;
+ private final InterfaceContractMapper interfaceContractMapper;
+
+ public DefaultComponentContextFactory(CompositeActivator compositeActivator,
+ AssemblyFactory assemblyFactory,
+ ProxyFactory proxyFactory,
+ InterfaceContractMapper interfaceContractMapper,
+ RequestContextFactory requestContextFactory,
+ JavaInterfaceFactory javaInterfaceFactory) {
+ super();
+ this.compositeActivator = compositeActivator;
+ this.assemblyFactory = assemblyFactory;
+ this.proxyFactory = proxyFactory;
+ this.requestContextFactory = requestContextFactory;
+ this.javaInterfaceFactory = javaInterfaceFactory;
+ this.interfaceContractMapper = interfaceContractMapper;
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.context.ComponentContextFactory#createComponentContext(org.apache.tuscany.sca.runtime.RuntimeComponent, org.apache.tuscany.sca.context.RequestContextFactory)
+ */
+ public ComponentContext createComponentContext(RuntimeComponent component,
+ RequestContextFactory requestContextFactory) {
+ if (requestContextFactory == null) {
+ requestContextFactory = this.requestContextFactory;
+ }
+ return new ComponentContextImpl(compositeActivator, assemblyFactory, proxyFactory, interfaceContractMapper,
+ requestContextFactory, javaInterfaceFactory, component);
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/InstanceWrapper.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/InstanceWrapper.java
new file mode 100644
index 0000000000..b577180291
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/InstanceWrapper.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.core.context;
+
+import org.apache.tuscany.sca.core.scope.TargetDestructionException;
+import org.apache.tuscany.sca.core.scope.TargetInitializationException;
+
+
+/**
+ * Provides lifecycle management for an implementation instance associated with
+ * a component for use by the component's associated {@link org.apache.tuscany.sca.core.scope.ScopeContainer}
+ *
+ * @version $Rev$ $Date$
+ */
+public interface InstanceWrapper<T> {
+
+ /**
+ * @return
+ */
+ T getInstance();
+
+ /**
+ * @throws TargetInitializationException
+ */
+ void start() throws TargetInitializationException;
+
+ /**
+ * @throws TargetDestructionException
+ */
+ void stop() throws TargetDestructionException;
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/RequestContextImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/RequestContextImpl.java
new file mode 100644
index 0000000000..aa69bb3ae5
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/RequestContextImpl.java
@@ -0,0 +1,105 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.context;
+
+import java.util.List;
+
+import javax.security.auth.Subject;
+
+import org.apache.tuscany.sca.core.invocation.CallbackReferenceImpl;
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.core.invocation.ThreadMessageContext;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.runtime.EndpointReference;
+import org.apache.tuscany.sca.runtime.ReferenceParameters;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.osoa.sca.CallableReference;
+import org.osoa.sca.RequestContext;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class RequestContextImpl implements RequestContext {
+
+ private ProxyFactory proxyFactory;
+
+ public RequestContextImpl(ProxyFactory proxyFactory) {
+ this.proxyFactory = proxyFactory;
+ }
+
+ public Subject getSecuritySubject() {
+ throw new UnsupportedOperationException();
+ }
+
+ public String getServiceName() {
+ return ThreadMessageContext.getMessageContext().getTo().getContract().getName();
+ }
+
+ @SuppressWarnings("unchecked")
+ public <B> CallableReference<B> getServiceReference() {
+ Message msgContext = ThreadMessageContext.getMessageContext();
+ // FIXME: [rfeng] Is this the service reference matching the caller side?
+ EndpointReference to = msgContext.getTo();
+ RuntimeComponentService service = (RuntimeComponentService) to.getContract();
+ RuntimeComponent component = (RuntimeComponent) to.getComponent();
+
+ CallableReference<B> callableReference = component.getComponentContext().getCallableReference(null, component, service);
+ ReferenceParameters parameters = msgContext.getFrom().getReferenceParameters();
+ ((CallableReferenceImpl<B>) callableReference).attachCallbackID(parameters.getCallbackID());
+ ((CallableReferenceImpl<B>) callableReference).attachConversation(parameters.getConversationID());
+ return callableReference;
+ }
+
+ @SuppressWarnings("unchecked")
+ public <CB> CB getCallback() {
+ CallableReference<CB> cb = getCallbackReference();
+ if (cb == null) {
+ return null;
+ }
+ return cb.getService();
+ }
+
+ @SuppressWarnings("unchecked")
+ public <CB> CallableReference<CB> getCallbackReference() {
+ Message msgContext = ThreadMessageContext.getMessageContext();
+ EndpointReference to = msgContext.getTo();
+ RuntimeComponentService service = (RuntimeComponentService) to.getContract();
+ RuntimeComponentReference callbackReference = (RuntimeComponentReference)service.getCallbackReference();
+ if (callbackReference == null) {
+ return null;
+ }
+ JavaInterface javaInterface = (JavaInterface) callbackReference.getInterfaceContract().getInterface();
+ Class<CB> javaClass = (Class<CB>)javaInterface.getJavaClass();
+ List<RuntimeWire> wires = callbackReference.getRuntimeWires();
+ CallbackReferenceImpl ref = CallbackReferenceImpl.newInstance(javaClass, proxyFactory, wires);
+ if (ref != null) {
+ //ref.resolveTarget();
+ ReferenceParameters parameters = msgContext.getFrom().getReferenceParameters();
+ ref.attachCallbackID(parameters.getCallbackID());
+ if (ref.getConversation() != null) {
+ ref.attachConversationID(parameters.getConversationID());
+ }
+ }
+ return ref;
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ServiceReferenceImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ServiceReferenceImpl.java
new file mode 100644
index 0000000000..857a193260
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ServiceReferenceImpl.java
@@ -0,0 +1,132 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.context;
+
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.core.assembly.CompositeActivator;
+import org.apache.tuscany.sca.core.conversation.ConversationState;
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.runtime.EndpointReference;
+import org.apache.tuscany.sca.runtime.ReferenceParameters;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.osoa.sca.CallableReference;
+import org.osoa.sca.ServiceReference;
+
+/**
+ * Default implementation of a ServiceReference.
+ *
+ * @version $Rev$ $Date$
+ * @param <B> the type of the business interface
+ */
+public class ServiceReferenceImpl<B> extends CallableReferenceImpl<B> implements ServiceReference<B> {
+ private static final long serialVersionUID = 6763709434194361540L;
+
+ protected transient Object callback;
+
+ /*
+ * Public constructor for Externalizable serialization/deserialization
+ */
+ public ServiceReferenceImpl() {
+ super();
+ }
+
+ /*
+ * Public constructor for use by XMLStreamReader2CallableReference
+ */
+ public ServiceReferenceImpl(XMLStreamReader xmlReader) throws Exception {
+ super(xmlReader);
+ }
+
+ /**
+ * @param businessInterface
+ * @param wire
+ * @param proxyFactory
+ */
+ public ServiceReferenceImpl(Class<B> businessInterface, RuntimeWire wire, ProxyFactory proxyFactory) {
+ super(businessInterface, wire, proxyFactory);
+ }
+
+ public ServiceReferenceImpl(Class<B> businessInterface,
+ RuntimeComponent component,
+ RuntimeComponentReference reference,
+ ProxyFactory proxyFactory,
+ CompositeActivator compositeActivator) {
+ super(businessInterface, component, reference, null, proxyFactory, compositeActivator);
+ }
+
+ public ServiceReferenceImpl(Class<B> businessInterface,
+ RuntimeComponent component,
+ RuntimeComponentReference reference,
+ Binding binding,
+ ProxyFactory proxyFactory,
+ CompositeActivator compositeActivator) {
+ super(businessInterface, component, reference, binding, proxyFactory, compositeActivator);
+ }
+
+ public Object getConversationID() {
+ return conversationID;
+ }
+
+ public void setConversationID(Object conversationID) throws IllegalStateException {
+ if (conversation == null || conversation.getState() != ConversationState.ENDED) {
+ this.conversationID = conversationID;
+ this.conversation = null;
+ } else {
+ throw new IllegalStateException("Trying to set the conversationId on a service reference but the state of the conversation "
+ + conversation.getConversationID()
+ + " is "
+ + conversation.getState());
+ }
+ }
+
+ public void setCallbackID(Object callbackID) {
+ this.callbackID = callbackID;
+ }
+
+ public Object getCallback() {
+ return callback;
+ }
+
+ public void setCallback(Object callback) {
+ if (callback != null && !(callback instanceof CallableReference)) {
+ //FIXME: need to check if callback object supports the callback interface
+ // returned by reference.getInterfaceContract().getCallbackInterface()
+ }
+ this.callback = callback;
+ }
+
+ protected ReferenceParameters getReferenceParameters() {
+ ReferenceParameters parameters = super.getReferenceParameters();
+ if (callback != null) {
+ if (callback instanceof ServiceReference) {
+ EndpointReference callbackRef = ((CallableReferenceImpl)callback).getEndpointReference();
+ parameters.setCallbackReference(callbackRef);
+ } else {
+ EndpointReference callbackRef = getRuntimeWire().getSource().getCallbackEndpoint();
+ parameters.setCallbackReference(callbackRef);
+ parameters.setCallbackObjectID(callback);
+ }
+ }
+ return parameters;
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ConversationListener.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ConversationListener.java
new file mode 100644
index 0000000000..efa362a929
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ConversationListener.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.core.conversation;
+
+/**
+ * Listener for the events of a conversation
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ConversationListener {
+ /**
+ * The conversation is started
+ */
+ void conversationStarted(ExtendedConversation conversation);
+ /**
+ * The conversation is ended
+ */
+ void conversationEnded(ExtendedConversation conversation);
+ /**
+ * The conversation is expired
+ */
+ void conversationExpired(ExtendedConversation conversation);
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ConversationManager.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ConversationManager.java
new file mode 100644
index 0000000000..28e22b4f2c
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ConversationManager.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.core.conversation;
+
+/**
+ * The manager of conversations
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ConversationManager {
+ /**
+ * @param conversationID
+ * @return
+ */
+ ExtendedConversation startConversation(Object conversationID);
+
+ /**
+ * @param conversationID
+ */
+ void endConversation(Object conversationID);
+
+ /**
+ * @param conversationID
+ * @return
+ */
+ ExtendedConversation getConversation(Object conversationID);
+
+ /**
+ * @param conversationID
+ */
+ void expireConversation(Object conversationID);
+
+ /**
+ * Add a listener to this conversation
+ * @param listener
+ */
+ void addListener(ConversationListener listener);
+
+ /**
+ * Remove a listener from this conversation
+ * @param listener
+ */
+ void removeListener(ConversationListener listener);
+
+ /**
+ * @return the default max age for a conversation
+ */
+ long getMaxAge();
+
+ /**
+ * @return the default max idle time for a conversation
+ */
+ long getMaxIdleTime();
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ConversationManagerImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ConversationManagerImpl.java
new file mode 100644
index 0000000000..0aa9430666
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ConversationManagerImpl.java
@@ -0,0 +1,215 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.conversation;
+
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class ConversationManagerImpl implements ConversationManager {
+
+ private List<ConversationListener> listeners = Collections.synchronizedList(new ArrayList<ConversationListener>());
+ private Map<Object, ExtendedConversation> conversations = new ConcurrentHashMap<Object, ExtendedConversation>();
+
+ /**
+ * the default max age. this is set to 1 hour
+ */
+ private static final long DEFAULT_MAX_AGE = 60 * 60 * 1000; ;
+
+ /**
+ * the default max idle time. this is set to 1 hour
+ */
+ private static final long DEFAULT_MAX_IDLE_TIME = 60 * 60 * 1000;
+
+ /**
+ * the globally used max age
+ */
+ private final long maxAge;
+
+ /**
+ * the globally used max idle time
+ */
+ private final long maxIdleTime;
+
+ /**
+ * the reaper thread
+ */
+ private final ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor();
+
+ /**
+ * constructor
+ */
+ public ConversationManagerImpl() {
+ long mit = DEFAULT_MAX_IDLE_TIME;
+ long ma = DEFAULT_MAX_AGE;
+
+ // Allow privileged access to read system property. Requires PropertyPermission in security
+ // policy.
+ String aProperty = AccessController.doPrivileged(new PrivilegedAction<String>() {
+ public String run() {
+ return System.getProperty("org.apache.tuscany.sca.core.scope.ConversationalScopeContainer.MaxIdleTime");
+ }
+ });
+ if (aProperty != null) {
+ try {
+ mit = (new Long(aProperty) * 1000);
+ } catch (NumberFormatException nfe) {
+ // Ignore
+ }
+ }
+
+ // Allow privileged access to read system property. Requires PropertyPermission in security
+ // policy.
+ aProperty = AccessController.doPrivileged(new PrivilegedAction<String>() {
+ public String run() {
+ return System.getProperty("org.apache.tuscany.sca.core.scope.ConversationalScopeContainer.MaxAge");
+ }
+ });
+ if (aProperty != null) {
+ try {
+ ma = (new Long(aProperty) * 1000);
+ } catch (NumberFormatException nfe) {
+ // Ignore
+ }
+ }
+
+ maxAge = ma;
+ maxIdleTime = mit;
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.core.conversation.ConversationManager#addListener(org.apache.tuscany.sca.core.conversation.ConversationListener)
+ */
+ public void addListener(ConversationListener listener) {
+ listeners.add(listener);
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.core.conversation.ConversationManager#endConversation(org.apache.tuscany.sca.core.conversation.ExtendedConversation)
+ */
+ public void endConversation(Object conversationID) {
+ ExtendedConversation conv = getConversation(conversationID);
+ if (conv != null) {
+ conv.setState(ConversationState.ENDED);
+ for (ConversationListener listener : listeners) {
+ listener.conversationEnded(conv);
+ }
+ conv.setConversationID(null);
+ conversations.remove(conversationID);
+ } else {
+ throw new IllegalStateException("Conversation " + conversationID + " doesn't exist.");
+ }
+ }
+
+ public void expireConversation(Object conversationID) {
+ ExtendedConversation conv = getConversation(conversationID);
+ if (conv != null) {
+ for (ConversationListener listener : listeners) {
+ listener.conversationExpired(conv);
+ }
+ conversations.remove(conversationID);
+ } else {
+ throw new IllegalStateException("Conversation " + conversationID + " doesn't exist.");
+ }
+
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.core.conversation.ConversationManager#getConversation(java.lang.Object)
+ */
+ public ExtendedConversation getConversation(Object conversationID) {
+ return conversations.get(conversationID);
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.core.conversation.ConversationManager#removeListener(org.apache.tuscany.sca.core.conversation.ConversationListener)
+ */
+ public void removeListener(ConversationListener listener) {
+ listeners.remove(listener);
+ }
+
+ /**
+ * starts the reaper thread
+ */
+ public void scheduleConversation(ExtendedConversationImpl aConversation, long time)
+ {
+ this.scheduler.schedule(aConversation, time, TimeUnit.MILLISECONDS);
+ }
+
+ /**
+ * stops the reaper thread
+ */
+ public synchronized void stopReaper() {
+
+ // Prevent the scheduler from submitting any additional reapers,
+ // initiate an orderly shutdown if a reaper task is in progress.
+ this.scheduler.shutdown();
+ }
+
+
+ /**
+ * @see org.apache.tuscany.sca.core.conversation.ConversationManager#startConversation(java.lang.Object)
+ */
+ public ExtendedConversation startConversation(Object conversationID) {
+
+ if (conversationID == null) {
+ conversationID = UUID.randomUUID().toString();
+ }
+ ExtendedConversation conversation = getConversation(conversationID);
+ if (conversation != null && conversation.getState() != ConversationState.ENDED) {
+ throw new IllegalStateException(conversation + " already exists.");
+ }
+
+ conversation = new ExtendedConversationImpl(
+ this, conversationID, ConversationState.STARTED);
+ conversations.put(conversationID, conversation);
+ for (ConversationListener listener : listeners) {
+ listener.conversationStarted(conversation);
+ }
+ return conversation;
+ }
+
+ /**
+ * return the default max idle time
+ * @param impProvider the implementation Provider to extract any ConversationAttribute details
+ */
+ public long getMaxIdleTime() {
+ return maxIdleTime;
+ }
+
+ /**
+ * returns the default max age
+ * @param impProvider the implementation Provider to extract any ConversationAttribute details
+ */
+ public long getMaxAge(){
+ return maxAge;
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ConversationState.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ConversationState.java
new file mode 100644
index 0000000000..692d6861ba
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ConversationState.java
@@ -0,0 +1,29 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.core.conversation;
+
+/**
+ * The states of a conversation
+ *
+ * @version $Rev$ $Date$
+ */
+public enum ConversationState {
+ STARTED, ENDED, EXPIRED
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ExtendedConversation.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ExtendedConversation.java
new file mode 100644
index 0000000000..03c18c26b8
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ExtendedConversation.java
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.core.conversation;
+
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.osoa.sca.Conversation;
+
+/**
+ * An extended interface over org.osoa.Conversation
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ExtendedConversation extends Conversation {
+ /**
+ * Get the state of a conversation
+ * @return The state
+ */
+ ConversationState getState();
+
+ /**
+ * @param state the state to set
+ */
+ void setState(ConversationState state);
+
+ /**
+ * @param conversationID the conversationID to set
+ */
+ void setConversationID(Object conversationID);
+
+
+ /**
+ * will check whether this conversation has expired and update state if it has
+ * @return true if it has expired
+ */
+ boolean isExpired();
+
+ /**
+ * updates the last time this conversation was referenced
+ */
+ void updateLastReferencedTime();
+
+ void initializeConversationAttributes(RuntimeComponent targetComponent);
+
+
+ /**
+ * @return true if the conversational attributes have been initialized
+ */
+ boolean conversationalAttributesInitialized();
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ExtendedConversationImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ExtendedConversationImpl.java
new file mode 100644
index 0000000000..0bf66b2817
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/conversation/ExtendedConversationImpl.java
@@ -0,0 +1,265 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.conversation;
+
+import org.apache.tuscany.sca.core.scope.ScopedImplementationProvider;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+
+/**
+ *
+ * @version $Rev$ $Date$
+ */
+public class ExtendedConversationImpl implements ExtendedConversation, Runnable {
+
+ private final ConversationManagerImpl manager;
+ private volatile Object conversationID;
+ private ConversationState state;
+
+ /**
+ * syncs access to the state
+ */
+ private final Object stateSync = new Object();
+
+ /**
+ * the maximum time a conversation can exist
+ */
+ private long expirationTime = 0;
+
+ /**
+ * the maximum time this conversation can be idle
+ */
+ private long maxIdleTime = 0;
+
+ /**
+ * the maximum age of this conversation
+ */
+ private long maxAge = 0;
+
+ /**
+ * the time that this object was created
+ */
+ private long creationTime;
+
+ /**
+ * the time that this object was last referenced
+ */
+ private long lastReferencedTime;
+
+ /**
+ * boolean to ensure expiry only occurs once
+ */
+ private boolean expired = false;
+
+ /**
+ * boolean to indicate if the conversation attributes have
+ * been set. In the case where a remote binding is used
+ * within a composite the JDKInvocationHandler can create the
+ * conversation but the conversationAttributes are not available
+ * until the conversation is retrieved by the RuntimeWireInvoker
+ */
+ private boolean conversationAttributesInitialized = false;
+
+ /**
+ * Constructor
+ * @param manager the conversation manager
+ * @param conversationID the conversation id associated with this conversation
+ * @param state the initial state of this conversation
+ * @param aMaxAge the maximum age of the conversation
+ * @param aMaxIdleTime the maximum idle time
+ */
+ public ExtendedConversationImpl(ConversationManagerImpl manager,
+ Object conversationID, ConversationState state) {
+ super();
+
+ this.creationTime = System.currentTimeMillis();
+ this.lastReferencedTime = creationTime;
+ this.manager = manager;
+ this.conversationID = conversationID;
+ this.state = state;
+ }
+
+ /**
+ * will check whether this conversation has expired and update state if it has
+ * @return true if it has expired
+ */
+ public boolean isExpired() {
+ long currentTime;
+ synchronized (stateSync) {
+
+ // if the attributes haven't been initialized then
+ // this conversation object can't expire
+ if (conversationAttributesInitialized == false) {
+ return false;
+ }
+
+ // check state first
+ if (state == ConversationState.EXPIRED) {
+ return true;
+ }
+
+ // check whether the time is finished
+ currentTime = System.currentTimeMillis();
+ if (((this.lastReferencedTime + this.maxIdleTime) <= currentTime)
+ || (this.expirationTime <= currentTime)) {
+ setState(ConversationState.EXPIRED);
+ return true;
+ }
+ }
+ scheduleNextExpiryTime(currentTime);
+ return false;
+ }
+
+ /**
+ * schedule next expiry time
+ */
+ public void scheduleNextExpiryTime(long currentTime) {
+ if ((lastReferencedTime + maxIdleTime) < expirationTime){
+ manager.scheduleConversation(this, (lastReferencedTime + maxIdleTime) - currentTime);
+ } else {
+ manager.scheduleConversation(this, expirationTime - currentTime);
+ }
+ }
+ /**
+ * updates the last time this conversation was referenced
+ */
+ public void updateLastReferencedTime() {
+ this.lastReferencedTime = System.currentTimeMillis();
+ if (conversationAttributesInitialized == true){
+ scheduleNextExpiryTime(lastReferencedTime);
+ }
+ }
+
+ public ConversationState getState() {
+ synchronized (stateSync){
+ return state;
+ }
+ }
+
+ public void end() {
+ manager.endConversation(conversationID);
+ }
+
+ public Object getConversationID() {
+ return conversationID;
+ }
+
+ /**
+ * @param state the state to set
+ */
+ public void setState(ConversationState state) {
+ synchronized (stateSync){
+ this.state = state;
+ }
+ }
+
+ /**
+ * @param conversationID the conversationID to set
+ */
+ public void setConversationID(Object conversationID) {
+ synchronized (stateSync){
+ if (state != ConversationState.ENDED) {
+ throw new IllegalStateException("The state of conversation " + conversationID + " " + state);
+ }
+ }
+ this.conversationID = conversationID;
+ }
+
+ /**
+ * @param maxAge the maximum age of this conversation
+ */
+ public void initializeConversationAttributes(RuntimeComponent targetComponent){
+ if (targetComponent != null){
+ this.maxAge = getMaxIdleTime(targetComponent.getImplementationProvider());
+ this.maxIdleTime = getMaxAge(targetComponent.getImplementationProvider());
+ this.expirationTime = creationTime + maxAge;
+ this.conversationAttributesInitialized = true;
+ }
+ }
+
+ /**
+ * @return true if the conversational attributes have been initialized
+ */
+ public boolean conversationalAttributesInitialized(){
+ return this.conversationAttributesInitialized;
+ }
+
+ /**
+ * return the max idle time
+ * @param impProvider the implementation Provider to extract any ConversationAttribute details
+ */
+ private long getMaxIdleTime(ImplementationProvider impProvider) {
+ // Check to see if the maxIdleTime has been specified using @ConversationAttributes.
+ // Implementation annotated attributes are honoured first.
+ if ((impProvider != null) &&
+ (impProvider instanceof ScopedImplementationProvider)) {
+ ScopedImplementationProvider aScopedImpl =
+ (ScopedImplementationProvider) impProvider;
+
+ long maxIdleTime = aScopedImpl.getMaxIdleTime();
+ if (maxIdleTime > 0) {
+ return maxIdleTime;
+ }
+ }
+ return manager.getMaxIdleTime();
+ }
+
+ /**
+ * returns the max age
+ * @param impProvider the implementation Provider to extract any ConversationAttribute details
+ */
+ private long getMaxAge(ImplementationProvider impProvider){
+
+ // Check to see if the maxAge has been specified using @ConversationAttributes.
+ // Implementation annotated attributes are honoured first.
+ if ((impProvider != null) &&
+ (impProvider instanceof ScopedImplementationProvider)) {
+ ScopedImplementationProvider aScopedImpl =
+ (ScopedImplementationProvider) impProvider;
+
+ long maxAge = aScopedImpl.getMaxAge();
+ if (maxAge > 0) {
+ return maxAge;
+ }
+ }
+ return manager.getMaxAge();
+ }
+
+ /**
+ * called when expiring
+ */
+ public void run() {
+ synchronized (stateSync){
+ if (!expired){
+ if (isExpired()) {
+ expired = true;
+ try {
+ manager.expireConversation(getConversationID());
+ } catch (IllegalStateException ise) {
+ // ignore this.. this can occur if another thread has subsequently ended
+ // the conversation
+ }
+ }
+ }
+ }
+
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/BaseEventPublisher.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/BaseEventPublisher.java
new file mode 100644
index 0000000000..517e5579a4
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/BaseEventPublisher.java
@@ -0,0 +1,89 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.event;
+
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.CopyOnWriteArrayList;
+
+import org.apache.tuscany.sca.event.Event;
+import org.apache.tuscany.sca.event.EventFilter;
+import org.apache.tuscany.sca.event.EventPublisher;
+import org.apache.tuscany.sca.event.RuntimeEventListener;
+import org.apache.tuscany.sca.event.TrueFilter;
+
+/**
+ * Base implementation of an <code>EventPublisher</code>
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class BaseEventPublisher implements EventPublisher {
+ protected static final EventFilter TRUE_FILTER = new TrueFilter();
+ protected Map<EventFilter, List<RuntimeEventListener>> listeners;
+
+ public void addListener(RuntimeEventListener listener) {
+ addListener(TRUE_FILTER, listener);
+ }
+
+ public void removeListener(RuntimeEventListener listener) {
+ assert listener != null : "Listener cannot be null";
+ synchronized (getListeners()) {
+ for (List<RuntimeEventListener> currentList : getListeners().values()) {
+ for (RuntimeEventListener current : currentList) {
+ if (current == listener) {
+ currentList.remove(current);
+ return;
+ }
+ }
+ }
+ }
+ }
+
+ public void addListener(EventFilter filter, RuntimeEventListener listener) {
+ assert listener != null : "Listener cannot be null";
+ synchronized (getListeners()) {
+ List<RuntimeEventListener> list = getListeners().get(filter);
+ if (list == null) {
+ list = new CopyOnWriteArrayList<RuntimeEventListener>();
+ listeners.put(filter, list);
+ }
+ list.add(listener);
+ }
+ }
+
+ public void publish(Event event) {
+ assert event != null : "Event object was null";
+ for (Map.Entry<EventFilter, List<RuntimeEventListener>> entry : getListeners().entrySet()) {
+ if (entry.getKey().match(event)) {
+ for (RuntimeEventListener listener : entry.getValue()) {
+ listener.onEvent(event);
+ }
+ }
+ }
+ }
+
+ protected Map<EventFilter, List<RuntimeEventListener>> getListeners() {
+ if (listeners == null) {
+ listeners = new ConcurrentHashMap<EventFilter, List<RuntimeEventListener>>();
+ }
+ return listeners;
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/ComponentStart.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/ComponentStart.java
new file mode 100644
index 0000000000..45eab7da1b
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/ComponentStart.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.event;
+
+import java.net.URI;
+
+import org.apache.tuscany.sca.event.Event;
+
+/**
+ * Propagated when a component starts
+ *
+ * @version $Rev$ $Date$
+ */
+public class ComponentStart implements Event {
+
+ private Object source;
+ private URI uri;
+
+ /**
+ * Creates a component start event
+ *
+ * @param source the source of the event
+ * @param componentURI the URI of the component being started
+ */
+ public ComponentStart(Object source, URI componentURI) {
+ this.source = source;
+ this.uri = componentURI;
+ }
+
+ public URI getComponentURI() {
+ return uri;
+ }
+
+ public Object getSource() {
+ return source;
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/ComponentStop.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/ComponentStop.java
new file mode 100644
index 0000000000..4dc79c3844
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/ComponentStop.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.core.event;
+
+import java.net.URI;
+
+import org.apache.tuscany.sca.event.Event;
+
+/**
+ * Propagated when a component stops
+ *
+ * @version $Rev$ $Date$
+ */
+public class ComponentStop implements Event {
+
+ private Object source;
+ private URI uri;
+
+ /**
+ * Creates a component stop event
+ *
+ * @param source the source of the event
+ * @param componentUri the composite component associated the component being stopped
+ */
+ public ComponentStop(Object source, URI componentUri) {
+ this.source = source;
+ this.uri = componentUri;
+ }
+
+ public URI getComponentURI() {
+ return uri;
+ }
+
+ public Object getSource() {
+ return source;
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/ConversationEnd.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/ConversationEnd.java
new file mode 100644
index 0000000000..d3106c7052
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/ConversationEnd.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.core.event;
+
+import org.apache.tuscany.sca.event.Event;
+
+
+
+/**
+ * Propagated when a conversation is expired
+ *
+ * @version $Rev$ $Date$
+ */
+public class ConversationEnd implements Event {
+
+ private Object source;
+ private Object id;
+
+ /**
+ * Creates a new event
+ *
+ * @param source the source of the event
+ * @param id the id of the conversation being ended
+ */
+ public ConversationEnd(Object source, Object id) {
+ this.source = source;
+ this.id = id;
+ }
+
+ public Object getSource() {
+ return source;
+ }
+
+ public Object getConversationID() {
+ return id;
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/ConversationStart.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/ConversationStart.java
new file mode 100644
index 0000000000..123400fbdd
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/ConversationStart.java
@@ -0,0 +1,52 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.event;
+
+import org.apache.tuscany.sca.event.Event;
+
+
+/**
+ * Propagated when a conversation has started
+ *
+ * @version $Rev$ $Date$
+ */
+public class ConversationStart implements Event {
+
+ private Object source;
+ private Object id;
+
+ /**
+ * Creates a new event
+ *
+ * @param source the source of the event
+ * @param id the id of the conversation being started
+ */
+ public ConversationStart(Object source, Object id) {
+ this.source = source;
+ this.id = id;
+ }
+
+ public Object getSource() {
+ return source;
+ }
+
+ public Object getConversationID() {
+ return id;
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/HttpSessionEnd.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/HttpSessionEnd.java
new file mode 100644
index 0000000000..68cb5c2966
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/HttpSessionEnd.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.core.event;
+
+import org.apache.tuscany.sca.event.Event;
+
+
+
+/**
+ * Propagated when an HTTP-based session is expired
+ *
+ * @version $Rev$ $Date$
+ */
+public class HttpSessionEnd implements Event {
+
+ private Object source;
+ private Object id;
+
+ /**
+ * Creates a new event
+ *
+ * @param source the source of the event
+ * @param id the id of the HTTP session being ended
+ */
+ public HttpSessionEnd(Object source, Object id) {
+ this.source = source;
+ this.id = id;
+ }
+
+ public Object getSource() {
+ return source;
+ }
+
+ public Object getSessionID() {
+ return id;
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/HttpSessionStart.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/HttpSessionStart.java
new file mode 100644
index 0000000000..38a4fb10d6
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/HttpSessionStart.java
@@ -0,0 +1,52 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.event;
+
+import org.apache.tuscany.sca.event.Event;
+
+
+/**
+ * Propagated when an HTTP-based session has started
+ *
+ * @version $Rev$ $Date$
+ */
+public class HttpSessionStart implements Event {
+
+ private Object source;
+ private Object id;
+
+ /**
+ * Creates a new event
+ *
+ * @param source the source of the event
+ * @param id the id of the HTTP session being started
+ */
+ public HttpSessionStart(Object source, Object id) {
+ this.source = source;
+ this.id = id;
+ }
+
+ public Object getSource() {
+ return source;
+ }
+
+ public Object getSessionID() {
+ return id;
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/RequestEnd.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/RequestEnd.java
new file mode 100644
index 0000000000..d7e797bbb9
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/RequestEnd.java
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.event;
+
+import org.apache.tuscany.sca.event.Event;
+
+/**
+ * Propagated when a request completes or is ended
+ *
+ * @version $Rev$ $Date$
+ */
+public class RequestEnd implements Event {
+
+ private Object source;
+
+ /**
+ * Creates a new event
+ *
+ * @param source the source of the event
+ */
+ public RequestEnd(Object source) {
+ this.source = source;
+ }
+
+ public Object getSource() {
+ return source;
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/RequestStart.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/RequestStart.java
new file mode 100644
index 0000000000..7530156b11
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/event/RequestStart.java
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.event;
+
+import org.apache.tuscany.sca.event.Event;
+
+/**
+ * Propagated when a request is started in the runtime
+ *
+ * @version $Rev$ $Date$
+ */
+public class RequestStart implements Event {
+
+ private Object source;
+
+ /**
+ * Creates a new event
+ *
+ * @param source the source of the event
+ */
+ public RequestStart(Object source) {
+ this.source = source;
+ }
+
+ public Object getSource() {
+ return source;
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/factory/ObjectCreationException.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/factory/ObjectCreationException.java
new file mode 100644
index 0000000000..d35b27fd24
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/factory/ObjectCreationException.java
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.factory;
+
+
+/**
+ * Denotes an error creating a new object instance
+ *
+ * @version $Rev$ $Date$
+ */
+public class ObjectCreationException extends RuntimeException {
+ private static final long serialVersionUID = -6423113430265944499L;
+
+ public ObjectCreationException() {
+ super();
+ }
+
+ public ObjectCreationException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public ObjectCreationException(String message) {
+ super(message);
+ }
+
+ public ObjectCreationException(Throwable cause) {
+ super(cause);
+ }
+
+}
+
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/factory/ObjectFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/factory/ObjectFactory.java
new file mode 100644
index 0000000000..3f64d2405b
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/factory/ObjectFactory.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.factory;
+
+/**
+ * Implementations create new instances of a particular type
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ObjectFactory<T> {
+
+ /**
+ * Return a instance of the type that this factory creates.
+ *
+ * @return a instance from this factory
+ */
+ T getInstance() throws ObjectCreationException;
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallableReferenceObjectFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallableReferenceObjectFactory.java
new file mode 100644
index 0000000000..588c43b8b1
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallableReferenceObjectFactory.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.core.invocation;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.core.factory.ObjectCreationException;
+import org.apache.tuscany.sca.core.factory.ObjectFactory;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.osoa.sca.CallableReference;
+
+/**
+ * Uses a wire to return a CallableReference
+ *
+ * @version $Rev$ $Date$
+ */
+public class CallableReferenceObjectFactory implements ObjectFactory<CallableReference<?>> {
+ private Class<?> businessInterface;
+ private RuntimeComponent component;
+ private RuntimeComponentReference reference;
+ private Binding binding;
+
+ /**
+ * Constructor.
+ *
+ * To support the @Reference protected CallableReference<MyService> ref;
+ *
+ * @param businessInterface the interface to inject
+ * @param component the component defining the reference to be injected
+ * @param reference the reference to be injected
+ * @param binding the binding for the reference
+ */
+ public CallableReferenceObjectFactory(Class<?> businessInterface,
+ RuntimeComponent component,
+ RuntimeComponentReference reference,
+ Binding binding) {
+ this.businessInterface = businessInterface;
+ this.component = component;
+ this.reference = reference;
+ this.binding = binding;
+ }
+
+ public CallableReference<?> getInstance() throws ObjectCreationException {
+ return component.getComponentContext().getServiceReference(businessInterface, reference, binding);
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallbackInterfaceInterceptor.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallbackInterfaceInterceptor.java
new file mode 100644
index 0000000000..d19aa237cd
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallbackInterfaceInterceptor.java
@@ -0,0 +1,57 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.invocation;
+
+import org.apache.tuscany.sca.invocation.Interceptor;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.runtime.ReferenceParameters;
+import org.osoa.sca.NoRegisteredCallbackException;
+
+/**
+ * An interceptor applied to the forward direction of a wire that ensures the callback target implements the required
+ * service contract. This is required as callback targets may be set dynamically by service implementations.
+ *
+ * @version $Rev$ $Date$
+ */
+public class CallbackInterfaceInterceptor implements Interceptor {
+ private Invoker next;
+
+ public CallbackInterfaceInterceptor() {
+ }
+
+ public Message invoke(Message msg) {
+ ReferenceParameters parameters = msg.getFrom().getReferenceParameters();
+ if (parameters.getCallbackObjectID() != null || parameters.getCallbackReference() != msg.getFrom()
+ .getCallbackEndpoint()) {
+ return next.invoke(msg);
+ } else {
+ throw new NoRegisteredCallbackException("Callback target does not implement the callback interface");
+ }
+ }
+
+ public void setNext(Invoker next) {
+ this.next = next;
+ }
+
+ public Invoker getNext() {
+ return next;
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallbackReferenceImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallbackReferenceImpl.java
new file mode 100644
index 0000000000..dcc1312a3f
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallbackReferenceImpl.java
@@ -0,0 +1,271 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.invocation;
+
+import java.io.IOException;
+import java.io.ObjectInput;
+import java.io.ObjectOutput;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Contract;
+import org.apache.tuscany.sca.assembly.OptimizableBinding;
+import org.apache.tuscany.sca.core.assembly.EndpointReferenceImpl;
+import org.apache.tuscany.sca.core.assembly.RuntimeComponentReferenceImpl;
+import org.apache.tuscany.sca.core.assembly.RuntimeWireImpl;
+import org.apache.tuscany.sca.core.context.CallableReferenceImpl;
+import org.apache.tuscany.sca.core.context.ComponentContextHelper;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.runtime.EndpointReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+
+/**
+ * Returns proxy instance for a wire callback
+ *
+ * @version $Rev: 576055 $ $Date: 2007-09-16 08:11:45 +0100 (Sun, 16 Sep 2007) $
+ */
+public class CallbackReferenceImpl<B> extends CallableReferenceImpl<B> {
+ private RuntimeWire wire;
+ private List<RuntimeWire> wires;
+ private EndpointReference resolvedEndpoint;
+ private Object convID;
+
+ public static CallbackReferenceImpl newInstance(Class interfaze,
+ ProxyFactory proxyFactory,
+ List<RuntimeWire> wires) {
+ if (getCallbackEndpoint(ThreadMessageContext.getMessageContext()) != null) {
+ return new CallbackReferenceImpl(interfaze, proxyFactory, wires);
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Public constructor for Externalizable serialization/deserialization.
+ */
+ public CallbackReferenceImpl() {
+ super();
+ }
+
+ private CallbackReferenceImpl(Class<B> interfaze, ProxyFactory proxyFactory, List<RuntimeWire> wires) {
+ super(interfaze, null, proxyFactory);
+ this.wires = wires;
+ init();
+ }
+
+ public void init() {
+ Message msgContext = ThreadMessageContext.getMessageContext();
+ wire = selectCallbackWire(msgContext);
+ if (wire == null) {
+ //FIXME: need better exception
+ throw new RuntimeException("No callback binding found for " + msgContext.getTo().getURI());
+ }
+ resolvedEndpoint = getCallbackEndpoint(msgContext);
+ convID = msgContext.getFrom().getReferenceParameters().getConversationID();
+ callbackID = msgContext.getFrom().getReferenceParameters().getCallbackID();
+ }
+
+ @Override
+ protected Object createProxy() throws Exception {
+ return proxyFactory.createCallbackProxy(this);
+ }
+
+ protected RuntimeWire getCallbackWire() {
+ if (resolvedEndpoint == null) {
+ return null;
+ } else {
+ return cloneAndBind(wire);
+ }
+ }
+
+ protected Object getConvID() {
+ return convID;
+ }
+
+ protected EndpointReference getResolvedEndpoint() {
+ return resolvedEndpoint;
+ }
+
+ private RuntimeWire selectCallbackWire(Message msgContext) {
+ // look for callback binding with same name as service binding
+ EndpointReference to = msgContext.getTo();
+ if (to == null) {
+ //FIXME: need better exception
+ throw new RuntimeException("Destination for forward call is not available");
+ }
+ for (RuntimeWire wire : wires) {
+ if (wire.getSource().getBinding().getName().equals(to.getBinding().getName())) {
+ return wire;
+ }
+ }
+
+ // if no match, look for callback binding with same type as service binding
+ for (RuntimeWire wire : wires) {
+ if (wire.getSource().getBinding().getClass() == to.getBinding().getClass()) {
+ return wire;
+ }
+ }
+
+ // no suitable callback wire was found
+ return null;
+ }
+
+ /**
+ * @param msgContext
+ */
+ private static EndpointReference getCallbackEndpoint(Message msgContext) {
+ EndpointReference from = msgContext.getFrom();
+ if (from == null) {
+ return null;
+ }
+ return from.getReferenceParameters().getCallbackReference();
+ }
+
+ private RuntimeWire cloneAndBind(RuntimeWire wire) {
+ RuntimeWire boundWire = null;
+ if (resolvedEndpoint != null) {
+ boundWire = ((RuntimeWireImpl)wire).lookupCache(resolvedEndpoint);
+ if (boundWire != null) {
+ return boundWire;
+ }
+ try {
+ Contract contract = resolvedEndpoint.getContract();
+ RuntimeComponentReference ref = null;
+ if (contract == null) {
+ boundWire = (RuntimeWire)wire.clone();
+
+ } else if (contract instanceof RuntimeComponentReference) {
+ ref = (RuntimeComponentReference)contract;
+ boundWire = ref.getRuntimeWire(resolvedEndpoint.getBinding());
+
+ } else { // contract instanceof RuntimeComponentService
+ ref = bind((RuntimeComponentReference)wire.getSource().getContract(),
+ resolvedEndpoint.getComponent(),
+ (RuntimeComponentService)contract);
+ boundWire = ref.getRuntimeWires().get(0);
+ }
+ configureWire(boundWire);
+ ((RuntimeWireImpl)wire).addToCache(resolvedEndpoint, boundWire);
+ } catch (CloneNotSupportedException e) {
+ // will not happen
+ }
+ }
+ return boundWire;
+ }
+
+ private static RuntimeComponentReference bind(RuntimeComponentReference reference,
+ RuntimeComponent component,
+ RuntimeComponentService service) throws CloneNotSupportedException {
+ RuntimeComponentReference ref = (RuntimeComponentReference)reference.clone();
+ ref.getTargets().add(service);
+ ref.getBindings().clear();
+ for (Binding binding : service.getBindings()) {
+ if (binding instanceof OptimizableBinding) {
+ OptimizableBinding optimizableBinding = (OptimizableBinding)((OptimizableBinding)binding).clone();
+ optimizableBinding.setTargetBinding(binding);
+ optimizableBinding.setTargetComponent(component);
+ optimizableBinding.setTargetComponentService(service);
+ ref.getBindings().add(optimizableBinding);
+ } else {
+ ref.getBindings().add(binding);
+ }
+ }
+ return ref;
+ }
+
+ private void configureWire(RuntimeWire wire) {
+ // need to set the endpoint on the binding also so that when the chains are created next
+ // the sca binding can decide whether to provide local or remote invokers.
+ // TODO - there is a problem here though in that I'm setting a target on a
+ // binding that may possibly be trying to point at two things in the multi threaded
+ // case. Need to confirm the general model here and how the clone and bind part
+ // is intended to work
+ Binding binding = wire.getSource().getBinding();
+ binding.setURI(resolvedEndpoint.getURI());
+
+ // also need to set the target contract as it varies for the sca binding depending on
+ // whether it is local or remote
+ RuntimeComponentReference ref = (RuntimeComponentReference)wire.getSource().getContract();
+ wire.getTarget().setInterfaceContract(ref.getBindingProvider(binding).getBindingInterfaceContract());
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
+ super.readExternal(in);
+ this.callbackID = in.readObject();
+ this.convID = in.readObject();
+
+ this.compositeActivator = ComponentContextHelper.getCurrentCompositeActivator();
+
+ // Get the target Component and Service from the URI
+ final String uri = in.readUTF();
+ final String[] splitURI = super.splitComponentURI(uri);
+ final String componentURI = splitURI[0];
+ final String serviceName = splitURI[1];
+ final Component targetComponent = super.resolveComponentURI(componentURI);
+ final ComponentService targetService = super.resolveService(serviceName, targetComponent);
+ final InterfaceContract targetServiceIfaceContract = targetService.getInterfaceContract();
+
+ // Re-create the resolved Endpoint
+ this.resolvedEndpoint = new EndpointReferenceImpl(
+ (RuntimeComponent) targetComponent, targetService, null,
+ targetServiceIfaceContract);
+
+ // Copy the Java Interface from the Service
+ final JavaInterface ji = (JavaInterface) targetServiceIfaceContract.getInterface();
+ this.businessInterface = (Class<B>) ji.getJavaClass();
+
+ // We need to re-create the callback wire. We need to do this on a clone of the Service
+ // wire since we need to change some details on it.
+ // FIXME: Is this the best way to do this?
+ final RuntimeWire cbWire = ((RuntimeComponentService) targetService).getRuntimeWires().get(0);
+ try {
+ this.wire = (RuntimeWireImpl) cbWire.clone();
+ } catch (CloneNotSupportedException e) {
+ throw new IOException(e.toString());
+ }
+
+ // Setup the reference on the cloned wire
+ final RuntimeComponentReference ref = new RuntimeComponentReferenceImpl();
+ ref.setComponent((RuntimeComponent) targetComponent);
+ ref.setInterfaceContract(targetServiceIfaceContract);
+ ((EndpointReferenceImpl) this.wire.getSource()).setContract(ref);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void writeExternal(ObjectOutput out) throws IOException {
+ super.writeExternal(out);
+ out.writeObject(this.callbackID);
+ out.writeObject(this.convID);
+ out.writeUTF(this.resolvedEndpoint.getURI());
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallbackReferenceObjectFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallbackReferenceObjectFactory.java
new file mode 100644
index 0000000000..b5b40811ad
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallbackReferenceObjectFactory.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.core.invocation;
+
+import java.util.List;
+
+import org.apache.tuscany.sca.core.factory.ObjectCreationException;
+import org.apache.tuscany.sca.core.factory.ObjectFactory;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.osoa.sca.CallableReference;
+
+/**
+ * Uses a wire to return a CallableReference
+ *
+ * @version $Rev: 574648 $ $Date: 2007-09-11 18:45:36 +0100 (Tue, 11 Sep 2007) $
+ */
+public class CallbackReferenceObjectFactory implements ObjectFactory<CallableReference<?>> {
+ private Class<?> businessInterface;
+ private ProxyFactory proxyFactory;
+ private List<RuntimeWire> wires;
+
+ public CallbackReferenceObjectFactory(Class<?> interfaze, ProxyFactory proxyFactory, List<RuntimeWire> wires) {
+ this.businessInterface = interfaze;
+ this.proxyFactory = proxyFactory;
+ this.wires = wires;
+ }
+
+ public CallableReference<?> getInstance() throws ObjectCreationException {
+ return CallbackReferenceImpl.newInstance(businessInterface, proxyFactory, wires);
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallbackWireObjectFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallbackWireObjectFactory.java
new file mode 100644
index 0000000000..2b37c30451
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CallbackWireObjectFactory.java
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.invocation;
+
+import java.util.List;
+
+import org.apache.tuscany.sca.core.factory.ObjectCreationException;
+import org.apache.tuscany.sca.core.factory.ObjectFactory;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+
+/**
+ * Returns proxy instance for a wire callback
+ *
+ * @version $Rev$ $Date$
+ */
+public class CallbackWireObjectFactory<B> implements ObjectFactory<B> {
+ private Class<B> businessInterface;
+ private ProxyFactory proxyFactory;
+ private List<RuntimeWire> wires;
+
+ public CallbackWireObjectFactory(Class<B> interfaze, ProxyFactory proxyFactory, List<RuntimeWire> wires) {
+ this.businessInterface = interfaze;
+ this.proxyFactory = proxyFactory;
+ this.wires = wires;
+ }
+
+ public B getInstance() throws ObjectCreationException {
+ return proxyFactory.createCallbackProxy(businessInterface, wires);
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CglibProxyFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CglibProxyFactory.java
new file mode 100644
index 0000000000..0fa1d27d2a
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/CglibProxyFactory.java
@@ -0,0 +1,151 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.invocation;
+
+import java.lang.reflect.Method;
+import java.util.List;
+
+import net.sf.cglib.proxy.Callback;
+import net.sf.cglib.proxy.Enhancer;
+import net.sf.cglib.proxy.Factory;
+import net.sf.cglib.proxy.MethodInterceptor;
+import net.sf.cglib.proxy.MethodProxy;
+
+import org.apache.tuscany.sca.core.context.CallableReferenceImpl;
+import org.apache.tuscany.sca.core.context.ServiceReferenceImpl;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.interfacedef.impl.InterfaceContractMapperImpl;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.osoa.sca.CallableReference;
+import org.osoa.sca.ServiceReference;
+
+/**
+ * The implementation of a wire service that uses cglib dynamic proxies
+ *
+ * @version $Rev$ $Date$
+ */
+@SuppressWarnings("unused")
+public class CglibProxyFactory implements ProxyFactory {
+ private MessageFactory messageFactory;
+
+ public CglibProxyFactory(MessageFactory messageFactory, InterfaceContractMapper mapper) {
+ this.messageFactory = messageFactory;
+
+ }
+
+ public <T> T createProxy(Class<T> interfaze, RuntimeWire wire) throws ProxyCreationException {
+ ServiceReference<T> serviceReference = new ServiceReferenceImpl(interfaze, wire, this);
+ return createProxy(serviceReference);
+ }
+
+ /**
+ * create the proxy with cglib. use the same JDKInvocationHandler as
+ * JDKProxyService.
+ */
+ public <T> T createProxy(CallableReference<T> callableReference) throws ProxyCreationException {
+ Enhancer enhancer = new Enhancer();
+ Class<T> interfaze = callableReference.getBusinessInterface();
+ enhancer.setSuperclass(interfaze);
+ enhancer.setCallback(new CglibMethodInterceptor<T>(callableReference));
+ Object proxy = enhancer.create();
+ ((CallableReferenceImpl)callableReference).setProxy(proxy);
+ return interfaze.cast(proxy);
+ }
+
+ /**
+ * create the callback proxy with cglib. use the same
+ * JDKCallbackInvocationHandler as JDKProxyService.
+ */
+ public <T> T createCallbackProxy(Class<T> interfaze, final List<RuntimeWire> wires) throws ProxyCreationException {
+ CallbackReferenceImpl<T> callbackReference = CallbackReferenceImpl.newInstance(interfaze, this, wires);
+ return callbackReference != null ? createCallbackProxy(callbackReference) : null;
+ }
+
+ /**
+ * create the callback proxy with cglib. use the same
+ * JDKCallbackInvocationHandler as JDKProxyService.
+ */
+ public <T> T createCallbackProxy(CallbackReferenceImpl<T> callbackReference) throws ProxyCreationException {
+ Enhancer enhancer = new Enhancer();
+ Class<T> interfaze = callbackReference.getBusinessInterface();
+ enhancer.setSuperclass(interfaze);
+ enhancer.setCallback(new CglibMethodInterceptor<T>(callbackReference));
+ Object proxy = enhancer.create();
+ callbackReference.setProxy(proxy);
+ return interfaze.cast(proxy);
+ }
+
+ @SuppressWarnings("unchecked")
+ public <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException {
+ if (isProxyClass(target.getClass())) {
+ Factory factory = (Factory)target;
+ Callback[] callbacks = factory.getCallbacks();
+ if (callbacks.length != 1 || !(callbacks[0] instanceof CglibMethodInterceptor)) {
+ throw new IllegalArgumentException("The object is not a known proxy.");
+ }
+ CglibMethodInterceptor interceptor = (CglibMethodInterceptor)callbacks[0];
+ return (R)interceptor.invocationHandler.getCallableReference();
+ } else {
+ throw new IllegalArgumentException("The object is not a known proxy.");
+ }
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.core.invocation.ProxyFactory#isProxyClass(java.lang.Class)
+ */
+ public boolean isProxyClass(Class<?> clazz) {
+ return Factory.class.isAssignableFrom(clazz);
+ }
+
+ private class CglibMethodInterceptor<T> implements MethodInterceptor {
+ private JDKInvocationHandler invocationHandler;
+
+ public CglibMethodInterceptor(CallableReference<T> callableReference) {
+ invocationHandler = new JDKInvocationHandler(messageFactory, callableReference);
+ }
+
+ public CglibMethodInterceptor(CallbackReferenceImpl<T> callbackReference) {
+ invocationHandler = new JDKCallbackInvocationHandler(messageFactory, callbackReference);
+ }
+
+ /*
+ public CglibMethodInterceptor(Class<T> interfaze, RuntimeWire wire) {
+ ServiceReference<T> serviceRef = new ServiceReferenceImpl<T>(interfaze, wire, CglibProxyFactory.this);
+ invocationHandler = new JDKInvocationHandler(messageFactory, serviceRef);
+ }
+
+ public CglibMethodInterceptor(Class<T> interfaze, List<RuntimeWire> wires) {
+ CallbackReferenceImpl ref = new CallbackReferenceImpl(interfaze, CglibProxyFactory.this, wires);
+ invocationHandler = new JDKCallbackInvocationHandler(messageFactory, ref);
+ }
+ */
+
+ /**
+ * @see net.sf.cglib.proxy.MethodInterceptor#intercept(java.lang.Object, java.lang.reflect.Method, java.lang.Object[], net.sf.cglib.proxy.MethodProxy)
+ */
+ public Object intercept(Object obj, Method method, Object[] args, MethodProxy proxy) throws Throwable {
+ Object result = invocationHandler.invoke(proxy, method, args);
+ return result;
+ }
+
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/DefaultProxyFactoryExtensionPoint.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/DefaultProxyFactoryExtensionPoint.java
new file mode 100644
index 0000000000..9acb4be6f8
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/DefaultProxyFactoryExtensionPoint.java
@@ -0,0 +1,74 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.core.invocation;
+
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+
+/**
+ * Default implementation of a ProxyFactoryExtensionPoint.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefaultProxyFactoryExtensionPoint implements ProxyFactoryExtensionPoint {
+ private InterfaceContractMapper interfaceContractMapper;
+ private MessageFactory messageFactory;
+
+ private ProxyFactory interfaceFactory;
+ private ProxyFactory classFactory;
+
+ public DefaultProxyFactoryExtensionPoint(ExtensionPointRegistry extensionPoints) {
+ UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class);
+ this.interfaceContractMapper = utilities.getUtility(InterfaceContractMapper.class);
+
+ ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class);
+ this.messageFactory = modelFactories.getFactory(MessageFactory.class);
+
+ interfaceFactory = new JDKProxyFactory(messageFactory, interfaceContractMapper);
+ }
+
+ public DefaultProxyFactoryExtensionPoint(MessageFactory messageFactory, InterfaceContractMapper mapper) {
+ this.interfaceContractMapper = mapper;
+ this.messageFactory = messageFactory;
+ interfaceFactory = new JDKProxyFactory(messageFactory, mapper);
+ }
+
+ public ProxyFactory getClassProxyFactory() {
+ return classFactory;
+ }
+
+ public ProxyFactory getInterfaceProxyFactory() {
+ return interfaceFactory;
+ }
+
+ public void setClassProxyFactory(ProxyFactory factory) {
+ this.classFactory = factory;
+
+ }
+
+ public void setInterfaceProxyFactory(ProxyFactory factory) {
+ this.interfaceFactory = factory;
+
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ExtensibleProxyFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ExtensibleProxyFactory.java
new file mode 100644
index 0000000000..fcb48259b9
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ExtensibleProxyFactory.java
@@ -0,0 +1,113 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.invocation;
+
+import java.util.List;
+
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.osoa.sca.CallableReference;
+
+/**
+ * An extensible proxy factory.
+ *
+ * @version $Rev: $ $Date: $
+ */
+public class ExtensibleProxyFactory implements ProxyFactory {
+
+ private ProxyFactoryExtensionPoint proxyFactories;
+
+ public ExtensibleProxyFactory(ProxyFactoryExtensionPoint proxyFactories) {
+ this.proxyFactories = proxyFactories;
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.core.invocation.ProxyFactory#cast(java.lang.Object)
+ */
+ @SuppressWarnings("unchecked")
+ public <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException {
+ ProxyFactory interfaceFactory = proxyFactories.getInterfaceProxyFactory();
+ ProxyFactory classFactory = proxyFactories.getClassProxyFactory();
+ if (interfaceFactory.isProxyClass(target.getClass())) {
+ return (R)interfaceFactory.cast(target);
+ } else if (classFactory != null && classFactory.isProxyClass(target.getClass())) {
+ return (R)classFactory.cast(target);
+ } else {
+ throw new IllegalArgumentException("The target is not a callable proxy");
+ }
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.core.invocation.ProxyFactory#createCallbackProxy(java.lang.Class,
+ * java.util.List)
+ */
+ public <T> T createCallbackProxy(Class<T> interfaze, List<RuntimeWire> wires) throws ProxyCreationException {
+ ProxyFactory interfaceFactory = proxyFactories.getInterfaceProxyFactory();
+ ProxyFactory classFactory = proxyFactories.getClassProxyFactory();
+ if (interfaze.isInterface()) {
+ return interfaceFactory.createCallbackProxy(interfaze, wires);
+ } else {
+ return classFactory.createCallbackProxy(interfaze, wires);
+ }
+ }
+
+ public <T> T createProxy(CallableReference<T> callableReference) throws ProxyCreationException {
+ ProxyFactory interfaceFactory = proxyFactories.getInterfaceProxyFactory();
+ ProxyFactory classFactory = proxyFactories.getClassProxyFactory();
+ if (callableReference.getBusinessInterface().isInterface()) {
+ return interfaceFactory.createProxy(callableReference);
+ } else {
+ return classFactory.createProxy(callableReference);
+ }
+ }
+
+ public <T> T createCallbackProxy(CallbackReferenceImpl<T> callbackReference) throws ProxyCreationException {
+ ProxyFactory interfaceFactory = proxyFactories.getInterfaceProxyFactory();
+ ProxyFactory classFactory = proxyFactories.getClassProxyFactory();
+ if (callbackReference.getBusinessInterface().isInterface()) {
+ return interfaceFactory.createCallbackProxy(callbackReference);
+ } else {
+ return classFactory.createCallbackProxy(callbackReference);
+ }
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.core.invocation.ProxyFactory#createProxy(java.lang.Class,
+ * org.apache.tuscany.sca.runtime.RuntimeWire)
+ */
+ public <T> T createProxy(Class<T> interfaze, RuntimeWire wire) throws ProxyCreationException {
+ ProxyFactory interfaceFactory = proxyFactories.getInterfaceProxyFactory();
+ ProxyFactory classFactory = proxyFactories.getClassProxyFactory();
+ if (interfaze.isInterface()) {
+ return interfaceFactory.createProxy(interfaze, wire);
+ } else {
+ return classFactory.createProxy(interfaze, wire);
+ }
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.core.invocation.ProxyFactory#isProxyClass(java.lang.Class)
+ */
+ public boolean isProxyClass(Class<?> clazz) {
+ ProxyFactory interfaceFactory = proxyFactories.getInterfaceProxyFactory();
+ ProxyFactory classFactory = proxyFactories.getClassProxyFactory();
+ return interfaceFactory.isProxyClass(clazz) || (classFactory != null && classFactory.isProxyClass(clazz));
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ExtensibleWireProcessor.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ExtensibleWireProcessor.java
new file mode 100644
index 0000000000..934f2f7aa0
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ExtensibleWireProcessor.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.invocation;
+
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.apache.tuscany.sca.runtime.RuntimeWireProcessor;
+import org.apache.tuscany.sca.runtime.RuntimeWireProcessorExtensionPoint;
+
+/**
+ * The default implementation of an extensible <code>WireProcessor</code>
+ *
+ * @version $Rev$ $Date$
+ */
+public class ExtensibleWireProcessor implements RuntimeWireProcessor {
+
+ private RuntimeWireProcessorExtensionPoint processors;
+
+ public ExtensibleWireProcessor(RuntimeWireProcessorExtensionPoint processors) {
+ this.processors = processors;
+ }
+
+ public void process(RuntimeWire wire) {
+ for (RuntimeWireProcessor processor : processors.getWireProcessors()) {
+ processor.process(wire);
+ }
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/InvocationChainImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/InvocationChainImpl.java
new file mode 100644
index 0000000000..1a33e91a98
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/InvocationChainImpl.java
@@ -0,0 +1,189 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.invocation;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.ListIterator;
+
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.DataExchangeSemantics;
+import org.apache.tuscany.sca.invocation.Interceptor;
+import org.apache.tuscany.sca.invocation.InvocationChain;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Phase;
+
+/**
+ * Default implementation of an invocation chain
+ *
+ * @version $Rev$ $Date$
+ */
+public class InvocationChainImpl implements InvocationChain {
+ private Operation sourceOperation;
+ private Operation targetOperation;
+ private List<Node> nodes = new ArrayList<Node>();
+
+ // FIXME: Not a good practice to use static reference
+ private static final PhaseManager phaseManager = new PhaseManager();
+ private boolean forReference;
+ private boolean allowsPassByReference;
+
+ public InvocationChainImpl(Operation sourceOperation, Operation targetOperation, boolean forReference) {
+ assert sourceOperation != null;
+ assert targetOperation != null;
+ this.targetOperation = targetOperation;
+ this.sourceOperation = sourceOperation;
+ this.forReference = forReference;
+ }
+
+ public Operation getTargetOperation() {
+ return targetOperation;
+ }
+
+ public void setTargetOperation(Operation operation) {
+ this.targetOperation = operation;
+ }
+
+ public void addInterceptor(Interceptor interceptor) {
+ String phase = forReference ? Phase.REFERENCE : Phase.SERVICE;
+ addInterceptor(phase, interceptor);
+ }
+
+ public void addInvoker(Invoker invoker) {
+ String phase = forReference ? Phase.REFERENCE_BINDING : Phase.IMPLEMENTATION;
+ addInvoker(phase, invoker);
+ }
+
+ public Invoker getHeadInvoker() {
+ return nodes.isEmpty() ? null : nodes.get(0).getInvoker();
+ }
+
+ public Invoker getTailInvoker() {
+ return nodes.isEmpty() ? null : nodes.get(nodes.size() - 1).getInvoker();
+ }
+
+ /**
+ * @return the sourceOperation
+ */
+ public Operation getSourceOperation() {
+ return sourceOperation;
+ }
+
+ /**
+ * @param sourceOperation the sourceOperation to set
+ */
+ public void setSourceOperation(Operation sourceOperation) {
+ this.sourceOperation = sourceOperation;
+ }
+
+ public void addInterceptor(int index, Interceptor interceptor) {
+ addInterceptor(interceptor);
+ }
+
+ public void addInterceptor(String phase, Interceptor interceptor) {
+ addInvoker(phase, interceptor);
+ }
+
+ private void addInvoker(String phase, Invoker invoker) {
+ int index = phaseManager.getAllPhases().indexOf(phase);
+ if (index == -1) {
+ throw new IllegalArgumentException("Invalid phase name: " + phase);
+ }
+ Node node = new Node(index, invoker);
+ ListIterator<Node> li = nodes.listIterator();
+ Node before = null, after = null;
+ boolean found = false;
+ while (li.hasNext()) {
+ before = after;
+ after = li.next();
+ if (after.getPhaseIndex() > index) {
+ // Move back
+ li.previous();
+ li.add(node);
+ found = true;
+ break;
+ }
+ }
+ if (!found) {
+ // Add to the end
+ nodes.add(node);
+ before = after;
+ after = null;
+ }
+
+ // Relink the interceptors
+ if (before != null) {
+ if (before.getInvoker() instanceof Interceptor) {
+ ((Interceptor)before.getInvoker()).setNext(invoker);
+ }
+ }
+ if (after != null) {
+ if (invoker instanceof Interceptor) {
+ ((Interceptor)invoker).setNext(after.getInvoker());
+ }
+ }
+
+ }
+
+ public boolean allowsPassByReference() {
+ if (allowsPassByReference) {
+ // No need to check the invokers
+ return true;
+ }
+ // Check if any of the invokers allows pass-by-reference
+ boolean allowsPBR = false;
+ for (Node i : nodes) {
+ if (i.getInvoker() instanceof DataExchangeSemantics) {
+ if (((DataExchangeSemantics)i.getInvoker()).allowsPassByReference()) {
+ allowsPBR = true;
+ break;
+ }
+ }
+ }
+ return allowsPBR;
+ }
+
+ public void setAllowsPassByReference(boolean allowsPBR) {
+ this.allowsPassByReference = allowsPBR;
+ }
+
+ private static class Node {
+ private int phaseIndex;
+ private Invoker invoker;
+
+ public Node(int phaseIndex, Invoker invoker) {
+ super();
+ this.phaseIndex = phaseIndex;
+ this.invoker = invoker;
+ }
+
+ public int getPhaseIndex() {
+ return phaseIndex;
+ }
+
+ public Invoker getInvoker() {
+ return invoker;
+ }
+
+ public String toString() {
+ return "(" + phaseIndex + ")" + invoker;
+ }
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKCallbackInvocationHandler.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKCallbackInvocationHandler.java
new file mode 100644
index 0000000000..cade0499d3
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKCallbackInvocationHandler.java
@@ -0,0 +1,110 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.invocation;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+import org.apache.tuscany.sca.core.assembly.RuntimeWireImpl;
+import org.apache.tuscany.sca.core.context.CallableReferenceImpl;
+import org.apache.tuscany.sca.core.conversation.ConversationState;
+import org.apache.tuscany.sca.invocation.InvocationChain;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.osoa.sca.NoRegisteredCallbackException;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * Responsible for dispatching to a callback through a wire. <p/> TODO cache
+ * target invoker
+ *
+ * @version $Rev$ $Date$
+ */
+public class JDKCallbackInvocationHandler extends JDKInvocationHandler {
+ private static final long serialVersionUID = -3350283555825935609L;
+
+ public JDKCallbackInvocationHandler(MessageFactory messageFactory, CallbackReferenceImpl ref) {
+ super(messageFactory, ref);
+ this.fixedWire = false;
+ }
+
+ @Override
+ @SuppressWarnings( {"unchecked"})
+ public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+ if (Object.class == method.getDeclaringClass()) {
+ return invokeObjectMethod(method, args);
+ }
+
+ // obtain a dedicated wire to be used for this callback invocation
+ RuntimeWire wire = ((CallbackReferenceImpl)callableReference).getCallbackWire();
+ if (wire == null) {
+ //FIXME: need better exception
+ throw new ServiceRuntimeException("No callback wire found");
+ }
+
+ // set the conversational state based on the interface that
+ // is specified for the reference that this wire belongs to
+ initConversational(wire);
+
+ // set the conversation id into the conversation object. This is
+ // a special case for callbacks as, unless otherwise set manually,
+ // the callback should use the same conversation id as was received
+ // on the incoming call to this component
+ if (conversational) {
+
+ if (conversation == null || conversation.getState() == ConversationState.ENDED) {
+ conversation = null;
+ }
+ Object convID = conversation == null ? null : conversation.getConversationID();
+
+ // create a conversation id if one doesn't exist
+ // already, i.e. the conversation is just starting
+ if (convID == null) {
+ convID = ((CallbackReferenceImpl)callableReference).getConvID();
+ if (convID != null) {
+ conversation = ((RuntimeWireImpl)wire).getConversationManager().getConversation(convID);
+ if (callableReference != null) {
+ ((CallableReferenceImpl)callableReference).attachConversation(conversation);
+ }
+ }
+ }
+ }
+
+ setEndpoint(((CallbackReferenceImpl)callableReference).getResolvedEndpoint());
+
+ InvocationChain chain = getInvocationChain(method, wire);
+ if (chain == null) {
+ throw new IllegalArgumentException("No matching operation is found: " + method);
+ }
+
+ try {
+ return invoke(chain, args, wire, wire.getSource());
+ } catch (InvocationTargetException e) {
+ Throwable t = e.getCause();
+ if (t instanceof NoRegisteredCallbackException) {
+ throw t;
+ }
+ throw e;
+ } finally {
+ // allow the cloned wire to be reused by subsequent callbacks
+ ((RuntimeWireImpl)wire).releaseWire();
+ }
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKInvocationHandler.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKInvocationHandler.java
new file mode 100644
index 0000000000..a23b9af9ad
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKInvocationHandler.java
@@ -0,0 +1,516 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.invocation;
+
+import java.io.Serializable;
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Method;
+import java.lang.reflect.Proxy;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+
+import org.apache.tuscany.sca.core.assembly.RuntimeWireImpl;
+import org.apache.tuscany.sca.core.context.CallableReferenceImpl;
+import org.apache.tuscany.sca.core.context.InstanceWrapper;
+import org.apache.tuscany.sca.core.conversation.ConversationManager;
+import org.apache.tuscany.sca.core.conversation.ConversationState;
+import org.apache.tuscany.sca.core.conversation.ExtendedConversation;
+import org.apache.tuscany.sca.core.scope.Scope;
+import org.apache.tuscany.sca.core.scope.ScopeContainer;
+import org.apache.tuscany.sca.core.scope.ScopedRuntimeComponent;
+import org.apache.tuscany.sca.core.scope.TargetDestructionException;
+import org.apache.tuscany.sca.core.scope.TargetResolutionException;
+import org.apache.tuscany.sca.interfacedef.ConversationSequence;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.java.JavaOperation;
+import org.apache.tuscany.sca.invocation.InvocationChain;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+import org.apache.tuscany.sca.runtime.EndpointReference;
+import org.apache.tuscany.sca.runtime.ReferenceParameters;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.osoa.sca.CallableReference;
+import org.osoa.sca.ConversationEndedException;
+import org.osoa.sca.ServiceReference;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class JDKInvocationHandler implements InvocationHandler, Serializable {
+ private static final long serialVersionUID = -3366410500152201371L;
+
+ protected boolean conversational;
+ protected ExtendedConversation conversation;
+ protected MessageFactory messageFactory;
+ protected EndpointReference source;
+ protected EndpointReference target;
+ protected RuntimeWire wire;
+ protected CallableReference<?> callableReference;
+ protected Class<?> businessInterface;
+
+ protected boolean fixedWire = true;
+
+ protected transient Map<Method, InvocationChain> chains = new HashMap<Method, InvocationChain>();
+
+ public JDKInvocationHandler(MessageFactory messageFactory, Class<?> businessInterface, RuntimeWire wire) {
+ this.messageFactory = messageFactory;
+ this.wire = wire;
+ this.businessInterface = businessInterface;
+ init(this.wire);
+ }
+
+ public JDKInvocationHandler(MessageFactory messageFactory, CallableReference<?> callableReference) {
+ this.messageFactory = messageFactory;
+ this.callableReference = callableReference;
+ if (callableReference != null) {
+ this.businessInterface = callableReference.getBusinessInterface();
+ this.conversation = (ExtendedConversation)callableReference.getConversation();
+ this.wire = ((CallableReferenceImpl<?>)callableReference).getRuntimeWire();
+ if (wire != null) {
+ init(wire);
+ }
+ }
+ }
+
+ protected void init(RuntimeWire wire) {
+ if (wire != null) {
+ try {
+ // Clone the endpoint reference so that reference parameters can be changed
+ source = (EndpointReference)wire.getSource().clone();
+ } catch (CloneNotSupportedException e) {
+ throw new ServiceRuntimeException(e);
+ }
+ initConversational(wire);
+ }
+ }
+
+ protected void initConversational(RuntimeWire wire) {
+ InterfaceContract contract = wire.getSource().getInterfaceContract();
+ this.conversational = contract.getInterface().isConversational();
+ }
+
+ protected Object getCallbackID() {
+ if (callableReference != null) {
+ return callableReference.getCallbackID();
+ } else {
+ return null;
+ }
+ }
+
+ protected Object getConversationID() {
+ if (callableReference != null && callableReference instanceof ServiceReference) {
+ return ((ServiceReference)callableReference).getConversationID();
+ } else {
+ return null;
+ }
+ }
+
+ protected Object getCallbackObject() {
+ if (callableReference != null && callableReference instanceof ServiceReference) {
+ return ((ServiceReference)callableReference).getCallback();
+ } else {
+ return null;
+ }
+ }
+
+ public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+ if (Object.class == method.getDeclaringClass()) {
+ return invokeObjectMethod(method, args);
+ }
+ if (wire == null) {
+ throw new ServiceRuntimeException("No runtime wire is available");
+ }
+ InvocationChain chain = getInvocationChain(method, wire);
+ if (chain == null) {
+ throw new IllegalArgumentException("No matching operation is found: " + method);
+ }
+
+ // send the invocation down the wire
+ Object result = invoke(chain, args, wire, source);
+
+ return result;
+ }
+
+ /**
+ * Handle the methods on the Object.class
+ * @param method
+ * @param args
+ */
+ protected Object invokeObjectMethod(Method method, Object[] args) throws Throwable {
+ String name = method.getName();
+ if ("toString".equals(name)) {
+ return "[Proxy - " + toString() + "]";
+ } else if ("equals".equals(name)) {
+ Object obj = args[0];
+ if (obj == null) {
+ return false;
+ }
+ if (!Proxy.isProxyClass(obj.getClass())) {
+ return false;
+ }
+ return equals(Proxy.getInvocationHandler(obj));
+ } else if ("hashCode".equals(name)) {
+ return hashCode();
+ } else {
+ return method.invoke(this);
+ }
+ }
+
+ /**
+ * Determines if the given operation matches the given method
+ *
+ * @return true if the operation matches, false if does not
+ */
+ // FIXME: Should it be in the InterfaceContractMapper?
+ @SuppressWarnings("unchecked")
+ private static boolean match(Operation operation, Method method) {
+ if (operation instanceof JavaOperation) {
+ JavaOperation javaOp = (JavaOperation)operation;
+ Method m = javaOp.getJavaMethod();
+ if (!method.getName().equals(m.getName())) {
+ return false;
+ }
+ if (method.equals(m)) {
+ return true;
+ }
+ } else {
+ if (!method.getName().equals(operation.getName())) {
+ return false;
+ }
+ }
+
+ // For remotable interface, operation is not overloaded.
+ if (operation.getInterface().isRemotable()) {
+ return true;
+ }
+
+ Class<?>[] params = method.getParameterTypes();
+
+ DataType<List<DataType>> inputType = null;
+ if (operation.isWrapperStyle()) {
+ inputType = operation.getWrapper().getUnwrappedInputType();
+ } else {
+ inputType = operation.getInputType();
+ }
+ List<DataType> types = inputType.getLogical();
+ boolean matched = true;
+ if (types.size() == params.length && method.getName().equals(operation.getName())) {
+ for (int i = 0; i < params.length; i++) {
+ Class<?> clazz = params[i];
+ Class<?> type = types.get(i).getPhysical();
+ // Object.class.isAssignableFrom(int.class) returns false
+ if (type != Object.class && (!type.isAssignableFrom(clazz))) {
+ matched = false;
+ }
+ }
+ } else {
+ matched = false;
+ }
+ return matched;
+
+ }
+
+ protected synchronized InvocationChain getInvocationChain(Method method, RuntimeWire wire) {
+ if (fixedWire && chains.containsKey(method)) {
+ return chains.get(method);
+ }
+ InvocationChain found = null;
+ for (InvocationChain chain : wire.getInvocationChains()) {
+ Operation operation = chain.getSourceOperation();
+ if (operation.isDynamic()) {
+ operation.setName(method.getName());
+ found = chain;
+ break;
+ } else if (match(operation, method)) {
+ found = chain;
+ break;
+ }
+ }
+ if (fixedWire) {
+ chains.put(method, found);
+ }
+ return found;
+ }
+
+ protected void setEndpoint(EndpointReference endpoint) {
+ this.target = endpoint;
+ }
+
+ protected Object invoke(InvocationChain chain, Object[] args, RuntimeWire wire, EndpointReference source)
+ throws Throwable {
+ Message msg = messageFactory.createMessage();
+ msg.setFrom(source);
+ if (target != null) {
+ msg.setTo(target);
+ } else {
+ msg.setTo(wire.getTarget());
+ }
+ Invoker headInvoker = chain.getHeadInvoker();
+ Operation operation = chain.getTargetOperation();
+ msg.setOperation(operation);
+ msg.setBody(args);
+
+ Message msgContext = ThreadMessageContext.getMessageContext();
+ Object currentConversationID = msgContext.getFrom().getReferenceParameters().getConversationID();
+
+ conversationPreinvoke(msg, wire);
+ handleCallback(msg, wire, currentConversationID);
+ ThreadMessageContext.setMessageContext(msg);
+ boolean abnormalEndConversation = false;
+ try {
+ // dispatch the wire down the chain and get the response
+ Message resp = headInvoker.invoke(msg);
+ Object body = resp.getBody();
+ if (resp.isFault()) {
+ // mark the conversation as ended if the exception is not a business exception
+ if (currentConversationID != null ){
+ try {
+ boolean businessException = false;
+
+ for (DataType dataType : operation.getFaultTypes()){
+ if (dataType.getPhysical() == ((Throwable)body).getClass()){
+ businessException = true;
+ break;
+ }
+ }
+
+ if (businessException == false){
+ abnormalEndConversation = true;
+ }
+ } catch (Exception ex){
+ // TODO - sure what the best course of action is here. We have
+ // a system exception in the middle of a business exception
+ }
+ }
+ throw (Throwable)body;
+ }
+ return body;
+ } finally {
+ conversationPostInvoke(msg, wire, abnormalEndConversation);
+ ThreadMessageContext.setMessageContext(msgContext);
+ }
+ }
+
+ /**
+ * @param msg
+ * @param wire
+ * @param interfaze
+ * @throws TargetResolutionException
+ */
+ private void handleCallback(Message msg, RuntimeWire wire, Object currentConversationID)
+ throws TargetResolutionException {
+ ReferenceParameters parameters = msg.getFrom().getReferenceParameters();
+ parameters.setCallbackID(getCallbackID());
+ if (msg.getFrom() == null || msg.getFrom().getCallbackEndpoint() == null) {
+ return;
+ }
+
+ parameters.setCallbackReference(msg.getFrom().getCallbackEndpoint());
+
+ // If we are passing out a callback target
+ // register the calling component instance against this
+ // new conversation id so that stateful callbacks will be
+ // able to find it
+ Object callbackObject = getCallbackObject();
+ if (conversational && callbackObject == null) {
+ // the component instance is already registered
+ // so add another registration
+ ScopeContainer<Object> scopeContainer = getConversationalScopeContainer(wire);
+
+ if (scopeContainer != null && currentConversationID != null) {
+ scopeContainer.addWrapperReference(currentConversationID, conversation.getConversationID());
+ }
+ }
+
+ Interface interfaze = msg.getFrom().getCallbackEndpoint().getInterfaceContract().getInterface();
+ if (callbackObject != null) {
+ if (callbackObject instanceof ServiceReference) {
+ EndpointReference callbackRef = ((CallableReferenceImpl)callbackObject).getEndpointReference();
+ parameters.setCallbackReference(callbackRef);
+ } else {
+ if (interfaze != null) {
+ if (!interfaze.isConversational()) {
+ throw new IllegalArgumentException(
+ "Callback object for stateless callback is not a ServiceReference");
+ } else {
+ if (!(callbackObject instanceof Serializable)) {
+ throw new IllegalArgumentException(
+ "Callback object for stateful callback is not Serializable");
+ }
+ ScopeContainer scopeContainer = getConversationalScopeContainer(wire);
+ if (scopeContainer != null) {
+ InstanceWrapper wrapper = new CallbackObjectWrapper(callbackObject);
+ scopeContainer.registerWrapper(wrapper, conversation.getConversationID());
+ }
+ parameters.setCallbackObjectID(callbackObject);
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * Pre-invoke for the conversation handling
+ * @param msg
+ * @throws TargetResolutionException
+ */
+ private void conversationPreinvoke(Message msg, RuntimeWire wire) {
+ if (!conversational) {
+ // Not conversational or the conversation has been started
+ return;
+ }
+
+ ConversationManager conversationManager = ((RuntimeWireImpl)wire).getConversationManager();
+
+ if (conversation == null || conversation.getState() == ConversationState.ENDED) {
+
+ conversation = conversationManager.startConversation(getConversationID());
+
+ // if this is a local wire then set up the conversation timeouts here based on the
+ // parameters from the component
+ if (wire.getTarget().getComponent() != null){
+ conversation.initializeConversationAttributes(wire.getTarget().getComponent());
+ }
+
+ // connect the conversation to the CallableReference so it can be retrieve in the future
+ if (callableReference != null) {
+ ((CallableReferenceImpl)callableReference).attachConversation(conversation);
+ }
+ } else if (conversation.isExpired()) {
+ throw new ConversationEndedException("Conversation " + conversation.getConversationID() + " has expired.");
+ }
+
+ // if this is a local wire then schedule conversation timeouts based on the timeout
+ // parameters from the service implementation. If this isn't a local wire then
+ // the RuntimeWireInvoker will take care of this
+ if (wire.getTarget().getComponent() != null){
+ conversation.updateLastReferencedTime();
+ }
+
+ msg.getFrom().getReferenceParameters().setConversationID(conversation.getConversationID());
+
+ }
+
+ /**
+ * Post-invoke for the conversation handling
+ * @param wire
+ * @param operation
+ * @throws TargetDestructionException
+ */
+ @SuppressWarnings("unchecked")
+ private void conversationPostInvoke(Message msg, RuntimeWire wire, boolean abnormalEndConversation)
+ throws TargetDestructionException {
+ Operation operation = msg.getOperation();
+ ConversationSequence sequence = operation.getConversationSequence();
+ // We check that conversation has not already ended as there is only one
+ // conversation manager in the runtime and so, in the case of remote bindings,
+ // the conversation will already have been stopped when we get back to the client
+ if ((sequence == ConversationSequence.CONVERSATION_END || abnormalEndConversation) &&
+ (conversation.getState() != ConversationState.ENDED)) {
+
+ // remove conversation id from scope container
+ ScopeContainer scopeContainer = getConversationalScopeContainer(wire);
+
+ if (scopeContainer != null) {
+ scopeContainer.remove(conversation.getConversationID());
+ }
+
+ conversation.end();
+ }
+ }
+
+ private ScopeContainer<Object> getConversationalScopeContainer(RuntimeWire wire) {
+ ScopeContainer<Object> scopeContainer = null;
+
+ RuntimeComponent runtimeComponent = wire.getSource().getComponent();
+
+ if (runtimeComponent instanceof ScopedRuntimeComponent) {
+ ScopedRuntimeComponent scopedRuntimeComponent = (ScopedRuntimeComponent)runtimeComponent;
+ ScopeContainer<Object> tmpScopeContainer = scopedRuntimeComponent.getScopeContainer();
+
+ if ((tmpScopeContainer != null) && (tmpScopeContainer.getScope() == Scope.CONVERSATION)) {
+ scopeContainer = tmpScopeContainer;
+ }
+ }
+
+ return scopeContainer;
+ }
+
+ /**
+ * Creates a new conversation id
+ *
+ * @return the conversation id
+ */
+ private Object createConversationID() {
+ if (getConversationID() != null) {
+ return getConversationID();
+ } else {
+ return UUID.randomUUID().toString();
+ }
+ }
+
+ /**
+ * @return the callableReference
+ */
+ public CallableReference<?> getCallableReference() {
+ return callableReference;
+ }
+
+ /**
+ * @param callableReference the callableReference to set
+ */
+ public void setCallableReference(CallableReference<?> callableReference) {
+ this.callableReference = callableReference;
+ }
+
+ /**
+ * Minimal wrapper for a callback object contained in a ServiceReference
+ */
+ private static class CallbackObjectWrapper<T> implements InstanceWrapper<T> {
+
+ private T instance;
+
+ private CallbackObjectWrapper(T instance) {
+ this.instance = instance;
+ }
+
+ public T getInstance() {
+ return instance;
+ }
+
+ public void start() {
+ // do nothing
+ }
+
+ public void stop() {
+ // do nothing
+ }
+
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKProxyFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKProxyFactory.java
new file mode 100644
index 0000000000..0992638318
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKProxyFactory.java
@@ -0,0 +1,103 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.invocation;
+
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Proxy;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.List;
+
+import org.apache.tuscany.sca.core.context.CallableReferenceImpl;
+import org.apache.tuscany.sca.core.context.ServiceReferenceImpl;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.osoa.sca.CallableReference;
+import org.osoa.sca.ServiceReference;
+
+/**
+ * the default implementation of a wire service that uses JDK dynamic proxies
+ *
+ * @version $Rev$ $Date$
+ */
+public class JDKProxyFactory implements ProxyFactory {
+ protected InterfaceContractMapper contractMapper;
+ private MessageFactory messageFactory;
+
+ public JDKProxyFactory(MessageFactory messageFactory, InterfaceContractMapper mapper) {
+ this.contractMapper = mapper;
+ this.messageFactory = messageFactory;
+ }
+
+ /**
+ * The original createProxy method assumes that the proxy doesn't want to
+ * share conversation state so sets the conversation object to null
+ */
+ public <T> T createProxy(Class<T> interfaze, RuntimeWire wire) throws ProxyCreationException {
+ ServiceReference<T> serviceReference = new ServiceReferenceImpl(interfaze, wire, this);
+ return createProxy(serviceReference);
+ }
+
+ public <T> T createProxy(CallableReference<T> callableReference) throws ProxyCreationException {
+ assert callableReference != null;
+ final Class<T> interfaze = callableReference.getBusinessInterface();
+ InvocationHandler handler = new JDKInvocationHandler(messageFactory, callableReference);
+ // Allow privileged access to class loader. Requires RuntimePermission in security policy.
+ ClassLoader cl = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
+ public ClassLoader run() {
+ return interfaze.getClassLoader();
+ }
+ });
+ Object proxy = Proxy.newProxyInstance(cl, new Class[] {interfaze}, handler);
+ ((CallableReferenceImpl)callableReference).setProxy(proxy);
+ return interfaze.cast(proxy);
+ }
+
+ public <T> T createCallbackProxy(Class<T> interfaze, List<RuntimeWire> wires) throws ProxyCreationException {
+ CallbackReferenceImpl<T> callbackReference = CallbackReferenceImpl.newInstance(interfaze, this, wires);
+ return callbackReference != null ? createCallbackProxy(callbackReference) : null;
+ }
+
+ public <T> T createCallbackProxy(CallbackReferenceImpl<T> callbackReference) throws ProxyCreationException {
+ assert callbackReference != null;
+ Class<T> interfaze = callbackReference.getBusinessInterface();
+ InvocationHandler handler = new JDKCallbackInvocationHandler(messageFactory, callbackReference);
+ ClassLoader cl = interfaze.getClassLoader();
+ Object proxy = Proxy.newProxyInstance(cl, new Class[] {interfaze}, handler);
+ callbackReference.setProxy(proxy);
+ return interfaze.cast(proxy);
+ }
+
+ public <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException {
+ InvocationHandler handler = Proxy.getInvocationHandler(target);
+ if (handler instanceof JDKInvocationHandler) {
+ return (R)((JDKInvocationHandler)handler).getCallableReference();
+ } else {
+ throw new IllegalArgumentException("The object is not a known proxy.");
+ }
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.core.invocation.ProxyFactory#isProxyClass(java.lang.Class)
+ */
+ public boolean isProxyClass(Class<?> clazz) {
+ return Proxy.isProxyClass(clazz);
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/MessageFactoryImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/MessageFactoryImpl.java
new file mode 100644
index 0000000000..6e182a6a14
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/MessageFactoryImpl.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.core.invocation;
+
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+
+/**
+ * Implementation of MessageFactory.
+ *
+ * @version $Rev$ $Date$
+ */
+public class MessageFactoryImpl implements MessageFactory {
+
+ public Message createMessage() {
+ return new MessageImpl();
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/MessageImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/MessageImpl.java
new file mode 100644
index 0000000000..b5b41b9d00
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/MessageImpl.java
@@ -0,0 +1,104 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.invocation;
+
+import java.util.Hashtable;
+import java.util.Map;
+
+import org.apache.tuscany.sca.core.assembly.EndpointReferenceImpl;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.runtime.EndpointReference;
+
+/**
+ * The default implementation of a message flowed through a wire during an invocation
+ *
+ * @version $Rev $Date$
+ */
+public class MessageImpl implements Message {
+ private Object body;
+ private Object messageID;
+ private boolean isFault;
+ private Operation operation;
+ private Map<String, Object> qosContext = new Hashtable<String, Object>();
+
+ private EndpointReference from;
+ private EndpointReference to;
+
+ public MessageImpl() {
+ this.from = new EndpointReferenceImpl("/");
+ this.to = new EndpointReferenceImpl("/");
+ }
+
+ @SuppressWarnings("unchecked")
+ public <T> T getBody() {
+ return (T)body;
+ }
+
+ public <T> void setBody(T body) {
+ this.isFault = false;
+ this.body = body;
+ }
+
+ public Object getMessageID() {
+ return messageID;
+ }
+
+ public void setMessageID(Object messageId) {
+ this.messageID = messageId;
+ }
+
+ public boolean isFault() {
+ return isFault;
+ }
+
+ public void setFaultBody(Object fault) {
+ this.isFault = true;
+ this.body = fault;
+ }
+
+ public EndpointReference getFrom() {
+ return from;
+ }
+
+ public void setFrom(EndpointReference from) {
+ this.from = from;
+ }
+
+ public EndpointReference getTo() {
+ return to;
+ }
+
+ public void setTo(EndpointReference to) {
+ this.to = to;
+ }
+
+ public Operation getOperation() {
+ return operation;
+ }
+
+ public void setOperation(Operation op) {
+ this.operation = op;
+ }
+
+ public Map<String, Object> getQoSContext() {
+ return qosContext;
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/NoMethodForOperationException.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/NoMethodForOperationException.java
new file mode 100644
index 0000000000..733544d387
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/NoMethodForOperationException.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.invocation;
+
+
+/**
+ * Thrown when an {@link org.apache.tuscany.sca.core.factory.model.Operation} cannot be mapped to a method on an interface
+ * @version $Rev$ $Date$
+ */
+public class NoMethodForOperationException extends ProxyCreationException {
+ private static final long serialVersionUID = 5116536602309483679L;
+
+ public NoMethodForOperationException() {
+ }
+
+ public NoMethodForOperationException(String message) {
+ super(message);
+ }
+
+ public NoMethodForOperationException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public NoMethodForOperationException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/NonBlockingInterceptor.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/NonBlockingInterceptor.java
new file mode 100644
index 0000000000..e83f9e64f9
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/NonBlockingInterceptor.java
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.invocation;
+
+import java.util.LinkedList;
+import java.util.Map;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Interceptor;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.runtime.EndpointReference;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.apache.tuscany.sca.work.WorkScheduler;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * Adds non-blocking behavior to an invocation chain
+ *
+ * @version $Rev$ $Date$
+ */
+public class NonBlockingInterceptor implements Interceptor {
+
+ private static final Message RESPONSE = new ImmutableMessage();
+
+ /**
+ * The JDK logger that will be used to log messages.
+ */
+ private static final Logger LOGGER = Logger.getLogger(NonBlockingInterceptor.class.getName());
+
+ private WorkScheduler workScheduler;
+ private Invoker next;
+
+ public NonBlockingInterceptor(WorkScheduler workScheduler) {
+ this.workScheduler = workScheduler;
+ }
+
+ public NonBlockingInterceptor(WorkScheduler workScheduler, Interceptor next) {
+ this.workScheduler = workScheduler;
+ this.next = next;
+ }
+
+ /**
+ * Sets desired workScheduler to NonBlockingInterceptor. This is a useful function for the extension framework
+ * to set desired workmanager on the InvocationChain, other than default workmanager which is set per Tuscany runtime.
+ * Using this function, extension framework can set desired workmanager on InvocationChain during post wire processing.
+ * @param workScheduler workScheduler which contains workmanager
+ */
+ public void setWorkScheduler(WorkScheduler workScheduler){
+ this.workScheduler = workScheduler;
+ }
+
+ public Message invoke(final Message msg) {
+ // Schedule the invocation of the next interceptor in a new Work instance
+ try {
+ workScheduler.scheduleWork(new Runnable() {
+ public void run() {
+ Message context = ThreadMessageContext.setMessageContext(msg);
+ try {
+ Message response = null;
+
+ Throwable ex = null;
+ try {
+ response = next.invoke(msg);
+ } catch (Throwable t) {
+ ex = t;
+ }
+
+ // Tuscany-2225 - Did the @OneWay method complete successfully?
+ // (i.e. no exceptions)
+ if (response != null && response.isFault()) {
+ // The @OneWay method threw an Exception. Lets log it and
+ // then pass it on to the WorkScheduler so it can notify any
+ // listeners
+ ex = (Throwable)response.getBody();
+ }
+ if (ex != null) {
+ LOGGER.log(Level.SEVERE, "Exception from @OneWay invocation", ex);
+ throw new ServiceRuntimeException("Exception from @OneWay invocation", ex);
+ }
+ } finally {
+ ThreadMessageContext.setMessageContext(context);
+ }
+ }
+ });
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+ return RESPONSE;
+ }
+
+ public Invoker getNext() {
+ return next;
+ }
+
+ public void setNext(Invoker next) {
+ this.next = next;
+ }
+
+ /**
+ * A dummy message passed back on an invocation
+ */
+ private static class ImmutableMessage implements Message {
+
+ @SuppressWarnings("unchecked")
+ public Object getBody() {
+ return null;
+ }
+
+ public void setBody(Object body) {
+ if (body != null) {
+ throw new UnsupportedOperationException();
+ }
+ }
+
+ public void setCallbackWires(LinkedList<RuntimeWire> wires) {
+
+ }
+
+ public Object getMessageID() {
+ return null;
+ }
+
+ public void setMessageID(Object messageId) {
+ throw new UnsupportedOperationException();
+ }
+
+ public boolean isFault() {
+ return false;
+ }
+
+ public void setFaultBody(Object fault) {
+ throw new UnsupportedOperationException();
+ }
+
+ public EndpointReference getFrom() {
+ return null;
+ }
+
+ public EndpointReference getTo() {
+ return null;
+ }
+
+ public void setFrom(EndpointReference from) {
+ throw new UnsupportedOperationException();
+ }
+
+ public void setTo(EndpointReference to) {
+ throw new UnsupportedOperationException();
+ }
+
+ public Operation getOperation() {
+ return null;
+ }
+
+ public void setOperation(Operation op) {
+ throw new UnsupportedOperationException();
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.invocation.Message#getReplyTo()
+ */
+ public EndpointReference getReplyTo() {
+ return null;
+ }
+
+ public Map<String, Object> getQoSContext() {
+ return null;
+ }
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/PhaseManager.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/PhaseManager.java
new file mode 100644
index 0000000000..4c98066fa2
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/PhaseManager.java
@@ -0,0 +1,247 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.invocation;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.StringTokenizer;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.apache.tuscany.sca.extensibility.ServiceDeclaration;
+import org.apache.tuscany.sca.extensibility.ServiceDiscovery;
+import org.apache.tuscany.sca.invocation.Phase;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class PhaseManager {
+ private static final Logger log = Logger.getLogger(PhaseManager.class.getName());
+
+ public static final String STAGE_REFERENCE = "reference";
+ public static final String STAGE_SERVICE = "service";
+ public static final String STAGE_IMPLEMENTATION = "implementation";
+ private static final String[] SYSTEM_REFERENCE_PHASES =
+ {Phase.REFERENCE, Phase.REFERENCE_INTERFACE, Phase.REFERENCE_POLICY, Phase.REFERENCE_BINDING};
+
+ private static final String[] SYSTEM_SERVICE_PHASES =
+ {Phase.SERVICE_BINDING, Phase.SERVICE_POLICY, Phase.SERVICE_INTERFACE, Phase.SERVICE};
+
+ private static final String[] SYSTEM_IMPLEMENTATION_PHASES = {Phase.IMPLEMENTATION_POLICY, Phase.IMPLEMENTATION};
+
+ private String pattern = Phase.class.getName();
+ private Map<String, Stage> stages;
+ private List<String> phases;
+
+ public class Stage {
+ private String name;
+ private PhaseSorter<String> sorter = new PhaseSorter<String>();
+ private Set<String> firstSet = new HashSet<String>();
+ private Set<String> lastSet = new HashSet<String>();
+ private List<String> phases = new ArrayList<String>();
+
+ public Stage(String name) {
+ super();
+ this.name = name;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public PhaseSorter<String> getSorter() {
+ return sorter;
+ }
+
+ public Set<String> getFirstSet() {
+ return firstSet;
+ }
+
+ public Set<String> getLastSet() {
+ return lastSet;
+ }
+
+ public List<String> getPhases() {
+ return phases;
+ }
+
+ public String toString() {
+ return name + phases;
+ }
+ }
+
+ // For unit test purpose
+ PhaseManager(String pattern) {
+ super();
+ this.pattern = pattern;
+ }
+
+ public PhaseManager() {
+ }
+
+ private List<String> getPhases(String stage) {
+ Stage s = getStages().get(stage);
+ return s == null ? null : s.getPhases();
+ }
+
+ public List<String> getReferencePhases() {
+ return getPhases(STAGE_REFERENCE);
+ }
+
+ public List<String> getServicePhases() {
+ return getPhases(STAGE_SERVICE);
+ }
+
+ public List<String> getImplementationPhases() {
+ return getPhases(STAGE_IMPLEMENTATION);
+ }
+
+ public synchronized List<String> getAllPhases() {
+ if (phases == null) {
+ phases = new ArrayList<String>();
+ phases.addAll(getReferencePhases());
+ phases.addAll(getServicePhases());
+ phases.addAll(getImplementationPhases());
+ }
+ return phases;
+ }
+
+ public synchronized Map<String, Stage> getStages() {
+ if (stages != null) {
+ return stages;
+ }
+ init();
+
+ Set<ServiceDeclaration> services;
+ try {
+ services = ServiceDiscovery.getInstance().getServiceDeclarations(pattern);
+ } catch (IOException e) {
+ throw new ServiceRuntimeException(e);
+ }
+
+ for (ServiceDeclaration d : services) {
+ if (log.isLoggable(Level.FINE)) {
+ log.fine(d.getResource() + ": " + d.getAttributes());
+ }
+ String name = d.getAttributes().get("name");
+ if (name == null) {
+ throw new ServiceRuntimeException("Required attribute 'name' is missing.");
+ }
+ String stageName = d.getAttributes().get("stage");
+ if (stageName == null) {
+ throw new ServiceRuntimeException("Required attribute 'stage' is missing.");
+ }
+ Stage stage = stages.get(stageName);
+ if (stage == null) {
+ throw new ServiceRuntimeException("Invalid stage: " + stage);
+ }
+ PhaseSorter<String> graph = stage.getSorter();
+ Set<String> firstSet = stage.getFirstSet(), lastSet = stage.getLastSet();
+
+ String before = d.getAttributes().get("before");
+ String after = d.getAttributes().get("after");
+ if (before != null) {
+ StringTokenizer tokenizer = new StringTokenizer(before);
+ while (tokenizer.hasMoreTokens()) {
+ String p = tokenizer.nextToken();
+ if (!"*".equals(p)) {
+ graph.addEdge(name, p);
+ } else {
+ firstSet.add(name);
+ }
+ }
+ }
+ if (after != null) {
+ StringTokenizer tokenizer = new StringTokenizer(after);
+ while (tokenizer.hasMoreTokens()) {
+ String p = tokenizer.nextToken();
+ if (!"*".equals(p)) {
+ graph.addEdge(p, name);
+ } else {
+ lastSet.add(name);
+ }
+ }
+ }
+ graph.addVertext(name);
+ if(firstSet.size()>1) {
+ log.warning("More than one phases are declared to be first: "+firstSet);
+ }
+ for (String s : firstSet) {
+ for (String v : new HashSet<String>(graph.getVertices().keySet())) {
+ if (!firstSet.contains(v)) {
+ graph.addEdge(s, v);
+ }
+ }
+ }
+ if(lastSet.size()>1) {
+ log.warning("More than one phases are declared to be the last: "+lastSet);
+ }
+ for (String s : lastSet) {
+ for (String v : new HashSet<String>(graph.getVertices().keySet())) {
+ if (!lastSet.contains(v)) {
+ graph.addEdge(v, s);
+ }
+ }
+ }
+
+ }
+
+ for (Stage s : stages.values()) {
+ List<String> phases = s.getSorter().topologicalSort(false);
+ s.getPhases().clear();
+ s.getPhases().addAll(phases);
+ }
+ if (log.isLoggable(Level.FINE)) {
+ log.fine("Stages: " + stages);
+ }
+ return stages;
+ }
+
+ private void init() {
+ stages = new HashMap<String, Stage>();
+
+ Stage referenceStage = new Stage(STAGE_REFERENCE);
+ for (int i = 1; i < SYSTEM_REFERENCE_PHASES.length; i++) {
+ referenceStage.getSorter().addEdge(SYSTEM_REFERENCE_PHASES[i - 1], SYSTEM_REFERENCE_PHASES[i]);
+ }
+ referenceStage.getLastSet().add(Phase.REFERENCE_BINDING);
+ stages.put(referenceStage.getName(), referenceStage);
+
+ Stage serviceStage = new Stage(STAGE_SERVICE);
+ for (int i = 1; i < SYSTEM_SERVICE_PHASES.length; i++) {
+ serviceStage.getSorter().addEdge(SYSTEM_SERVICE_PHASES[i - 1], SYSTEM_SERVICE_PHASES[i]);
+ }
+ stages.put(serviceStage.getName(), serviceStage);
+
+ Stage implementationStage = new Stage(STAGE_IMPLEMENTATION);
+ for (int i = 1; i < SYSTEM_IMPLEMENTATION_PHASES.length; i++) {
+ implementationStage.getSorter().addEdge(SYSTEM_IMPLEMENTATION_PHASES[i - 1],
+ SYSTEM_IMPLEMENTATION_PHASES[i]);
+ }
+ implementationStage.getLastSet().add(Phase.IMPLEMENTATION);
+ stages.put(implementationStage.getName(), implementationStage);
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/PhaseSorter.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/PhaseSorter.java
new file mode 100644
index 0000000000..fc4bea3d9f
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/PhaseSorter.java
@@ -0,0 +1,236 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.invocation;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Directed, weighted graph
+ *
+ * @param <V> The type of vertex object
+ * @param <E> The type of edge object
+ *
+ * @version $Rev$ $Date$
+ */
+public class PhaseSorter<V> implements Cloneable {
+ private final Map<V, Vertex> vertices = new HashMap<V, Vertex>();
+
+ /**
+ * Vertex of a graph
+ */
+ public final class Vertex {
+ private V value;
+
+ // TODO: Do we want to support multiple edges for a vertex pair? If so,
+ // we should use a List instead of Map
+ private Map<Vertex, Edge> outEdges = new HashMap<Vertex, Edge>();
+ private Map<Vertex, Edge> inEdges = new HashMap<Vertex, Edge>();
+
+ private Vertex(V value) {
+ this.value = value;
+ }
+
+ @Override
+ public String toString() {
+ return "(" + value + ")";
+ }
+
+ public V getValue() {
+ return value;
+ }
+
+ public Map<Vertex, Edge> getOutEdges() {
+ return outEdges;
+ }
+
+ public Map<Vertex, Edge> getInEdges() {
+ return inEdges;
+ }
+
+ }
+
+ /**
+ * An Edge connects two vertices in one direction
+ */
+ public final class Edge {
+ private Vertex sourceVertex;
+
+ private Vertex targetVertex;
+
+ public Edge(Vertex source, Vertex target) {
+ this.sourceVertex = source;
+ this.targetVertex = target;
+ }
+
+ @Override
+ public String toString() {
+ return sourceVertex + "->" + targetVertex;
+ }
+
+ public Vertex getTargetVertex() {
+ return targetVertex;
+ }
+
+ public void setTargetVertex(Vertex vertex) {
+ this.targetVertex = vertex;
+ }
+
+ public Vertex getSourceVertex() {
+ return sourceVertex;
+ }
+
+ public void setSourceVertex(Vertex sourceVertex) {
+ this.sourceVertex = sourceVertex;
+ }
+ }
+
+ public void addEdge(V source, V target) {
+ Vertex s = getVertex(source);
+ if (s == null) {
+ s = new Vertex(source);
+ vertices.put(source, s);
+ }
+ Vertex t = getVertex(target);
+ if (t == null) {
+ t = new Vertex(target);
+ vertices.put(target, t);
+ }
+ Edge edge = new Edge(s, t);
+ s.outEdges.put(t, edge);
+ t.inEdges.put(s, edge);
+ }
+
+ public void addVertext(V source) {
+ Vertex s = getVertex(source);
+ if (s == null) {
+ s = new Vertex(source);
+ vertices.put(source, s);
+ }
+ }
+
+ public Vertex getVertex(V source) {
+ Vertex s = vertices.get(source);
+ return s;
+ }
+
+ public boolean removeEdge(V source, V target) {
+ Vertex s = getVertex(source);
+ if (s == null) {
+ return false;
+ }
+
+ Vertex t = getVertex(target);
+ if (t == null) {
+ return false;
+ }
+
+ return s.outEdges.remove(t) != null && t.inEdges.remove(s) != null;
+
+ }
+
+ public void removeEdge(Edge edge) {
+ edge.sourceVertex.outEdges.remove(edge.targetVertex);
+ edge.targetVertex.inEdges.remove(edge.sourceVertex);
+ }
+
+ public void removeVertex(Vertex vertex) {
+ vertices.remove(vertex.getValue());
+ for (Edge e : new ArrayList<Edge>(vertex.outEdges.values())) {
+ removeEdge(e);
+ }
+ for (Edge e : new ArrayList<Edge>(vertex.inEdges.values())) {
+ removeEdge(e);
+ }
+ }
+
+ public Edge getEdge(Vertex source, Vertex target) {
+ return source.outEdges.get(target);
+ }
+
+ public Edge getEdge(V source, V target) {
+ Vertex sv = getVertex(source);
+ if (sv == null) {
+ return null;
+ }
+ Vertex tv = getVertex(target);
+ if (tv == null) {
+ return null;
+ }
+ return getEdge(getVertex(source), getVertex(target));
+ }
+
+ @Override
+ public String toString() {
+ StringBuffer sb = new StringBuffer();
+ for (Vertex v : vertices.values()) {
+ sb.append(v.outEdges.values()).append("\n");
+ }
+ return sb.toString();
+ }
+
+ public Map<V, Vertex> getVertices() {
+ return vertices;
+ }
+
+ public void addGraph(PhaseSorter<V> otherGraph) {
+ for (Vertex v : otherGraph.vertices.values()) {
+ for (Edge e : v.outEdges.values()) {
+ addEdge(e.sourceVertex.value, e.targetVertex.value);
+ }
+ }
+ }
+
+ private Vertex getFirst() {
+ for (Vertex v : vertices.values()) {
+ if (v.inEdges.isEmpty()) {
+ return v;
+ }
+ }
+ if (!vertices.isEmpty()) {
+ throw new IllegalArgumentException("Circular ordering has been detected: " + toString());
+ } else {
+ return null;
+ }
+ }
+
+ public List<V> topologicalSort(boolean readOnly) {
+ PhaseSorter<V> graph = (!readOnly) ? this : (PhaseSorter<V>)clone();
+ List<V> list = new ArrayList<V>();
+ while (true) {
+ Vertex v = graph.getFirst();
+ if (v == null) {
+ break;
+ }
+ list.add(v.getValue());
+ graph.removeVertex(v);
+ }
+
+ return list;
+ }
+
+ @Override
+ public Object clone() {
+ PhaseSorter<V> copy = new PhaseSorter<V>();
+ copy.addGraph(this);
+ return copy;
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ProxyCreationException.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ProxyCreationException.java
new file mode 100644
index 0000000000..0b36b178f3
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ProxyCreationException.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.core.invocation;
+
+import org.apache.tuscany.sca.core.factory.ObjectCreationException;
+
+
+/**
+ * Denotes an error creating a proxy
+ *
+ * @version $Rev$ $Date$
+ */
+public class ProxyCreationException extends ObjectCreationException {
+ private static final long serialVersionUID = 8002454344828513781L;
+
+ public ProxyCreationException() {
+ super();
+ }
+
+ public ProxyCreationException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public ProxyCreationException(String message) {
+ super(message);
+ }
+
+ public ProxyCreationException(Throwable cause) {
+ super(cause);
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ProxyFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ProxyFactory.java
new file mode 100644
index 0000000000..cb836e42c1
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ProxyFactory.java
@@ -0,0 +1,87 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.invocation;
+
+import java.util.List;
+
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.osoa.sca.CallableReference;
+
+/**
+ * Creates proxies that implement Java interfaces and invocation handlers for fronting wires
+ *
+ * @version $Rev$ $Date$
+ */
+
+public interface ProxyFactory {
+
+ /**
+ * Creates a Java proxy for the given wire
+ *
+ * @param interfaze the interface the proxy implements
+ * @param wire the wire to proxy
+ * @return the proxy
+ * @throws ProxyCreationException
+ */
+ <T> T createProxy(Class<T> interfaze, RuntimeWire wire) throws ProxyCreationException;
+
+ /**
+ * Creates a Java proxy for the given CallableReference
+ *
+ * @param callableReference The CallableReference
+ * @return the proxy
+ * @throws ProxyCreationException
+ */
+ <T> T createProxy(CallableReference<T> callableReference) throws ProxyCreationException;
+
+ /**
+ * Creates a Java proxy for the service contract callback
+ *
+ * @param interfaze the interface the proxy should implement
+ * @return the proxy
+ * @throws ProxyCreationException
+ */
+ <T> T createCallbackProxy(Class<T> interfaze, List<RuntimeWire> wires) throws ProxyCreationException;
+
+ /**
+ * Creates a Java proxy for the given callback reference
+ *
+ * @param callableReference The CallableReference
+ * @return the proxy
+ * @throws ProxyCreationException
+ */
+ <T> T createCallbackProxy(CallbackReferenceImpl<T> callbackReference) throws ProxyCreationException;
+
+ /**
+ * Cast a proxy to a CallableReference.
+ *
+ * @param target a proxy generated by this implementation
+ * @return a CallableReference (or subclass) equivalent to this proxy
+ * @throws IllegalArgumentException if the object supplied is not a proxy
+ */
+ <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException;
+
+ /**
+ * Test if a given class is a generated proxy class by this factory
+ * @param clazz A java class or interface
+ * @return true if the class is a generated proxy class by this factory
+ */
+ boolean isProxyClass(Class<?> clazz);
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ProxyFactoryExtensionPoint.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ProxyFactoryExtensionPoint.java
new file mode 100644
index 0000000000..875a252798
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ProxyFactoryExtensionPoint.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.core.invocation;
+
+
+/**
+ * The extension point to plug in proxy factories
+ * @version $Rev$ $Date$
+ */
+public interface ProxyFactoryExtensionPoint {
+
+ /**
+ * Get the proxy factory for java interfaces
+ * @return
+ */
+ ProxyFactory getInterfaceProxyFactory();
+
+ /**
+ * Get the proxy factory for java classes
+ * @return
+ */
+ ProxyFactory getClassProxyFactory();
+
+ /**
+ * Set the proxy factory for java interfaces
+ * @param factory
+ */
+ void setInterfaceProxyFactory(ProxyFactory factory);
+
+ /**
+ * Set the proxy factory for java classes
+ * @param factory
+ */
+ void setClassProxyFactory(ProxyFactory factory);
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/RuntimeWireInvoker.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/RuntimeWireInvoker.java
new file mode 100644
index 0000000000..c007669bdf
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/RuntimeWireInvoker.java
@@ -0,0 +1,245 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.invocation;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.apache.tuscany.sca.core.context.InstanceWrapper;
+import org.apache.tuscany.sca.core.conversation.ConversationManager;
+import org.apache.tuscany.sca.core.conversation.ConversationState;
+import org.apache.tuscany.sca.core.conversation.ExtendedConversation;
+import org.apache.tuscany.sca.core.scope.Scope;
+import org.apache.tuscany.sca.core.scope.ScopeContainer;
+import org.apache.tuscany.sca.core.scope.ScopedRuntimeComponent;
+import org.apache.tuscany.sca.core.scope.TargetDestructionException;
+import org.apache.tuscany.sca.core.scope.TargetResolutionException;
+import org.apache.tuscany.sca.interfacedef.ConversationSequence;
+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.invocation.Message;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+import org.apache.tuscany.sca.runtime.EndpointReference;
+import org.apache.tuscany.sca.runtime.ReferenceParameters;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.osoa.sca.ConversationEndedException;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class RuntimeWireInvoker {
+ protected ConversationManager conversationManager;
+ protected boolean conversational;
+ protected ExtendedConversation conversation;
+ protected MessageFactory messageFactory;
+ protected Object conversationID;
+ protected Object callbackID;
+ protected Object callbackObject;
+ protected RuntimeWire wire;
+
+ public RuntimeWireInvoker(MessageFactory messageFactory, ConversationManager conversationManager, RuntimeWire wire) {
+ this.messageFactory = messageFactory;
+ this.wire = wire;
+ this.conversationManager = conversationManager;
+ init(wire);
+ }
+
+ protected void init(RuntimeWire wire) {
+ if (wire != null) {
+ ReferenceParameters parameters = wire.getSource().getReferenceParameters();
+ this.callbackID = parameters.getCallbackID();
+ this.callbackObject = parameters.getCallbackReference();
+ this.conversationID = parameters.getConversationID();
+ InterfaceContract contract = wire.getSource().getInterfaceContract();
+ this.conversational = contract.getInterface().isConversational();
+ }
+ }
+
+ public Object invoke(Operation operation, Message msg) throws InvocationTargetException {
+ return invoke(wire, operation, msg);
+ }
+
+ public Object invoke(RuntimeWire wire, Operation operation, Message msg) throws InvocationTargetException {
+ RuntimeWire runtimeWire = wire == null ? this.wire : wire;
+ InvocationChain chain = runtimeWire.getInvocationChain(operation);
+ return invoke(chain, msg, runtimeWire);
+ }
+
+ protected Object invoke(InvocationChain chain, Message msg, RuntimeWire wire) throws InvocationTargetException {
+ EndpointReference from = msg.getFrom();
+ EndpointReference epFrom = wire.getSource();
+ if (from != null) {
+ from.mergeEndpoint(epFrom);
+ } else {
+ msg.setFrom(epFrom);
+ }
+ msg.setTo(wire.getTarget());
+
+ Invoker headInvoker = chain.getHeadInvoker();
+ Operation operation = chain.getTargetOperation();
+ msg.setOperation(operation);
+
+ Message msgContext = ThreadMessageContext.getMessageContext();
+ Object currentConversationID = msgContext.getFrom().getReferenceParameters().getConversationID();
+
+ ThreadMessageContext.setMessageContext(msg);
+ try {
+ conversationPreinvoke(msg);
+ // handleCallback(msg, currentConversationID);
+ // dispatch the wire down the chain and get the response
+ Message resp = headInvoker.invoke(msg);
+ Object body = resp.getBody();
+ if (resp.isFault()) {
+ throw new InvocationTargetException((Throwable)body);
+ }
+ return body;
+ } catch (InvocationTargetException e) {
+ throw e;
+ } catch (Throwable e) {
+ throw new ServiceRuntimeException(e);
+ } finally {
+ try {
+ conversationPostInvoke(msg);
+ } catch (TargetDestructionException e) {
+ throw new ServiceRuntimeException(e);
+ } finally {
+ ThreadMessageContext.setMessageContext(msgContext);
+ }
+ }
+ }
+
+ /**
+ * @param msgContext
+ */
+ protected EndpointReference getCallbackEndpoint(Message msgContext) {
+ EndpointReference from = msgContext.getFrom();
+ return from == null ? null : from.getReferenceParameters().getCallbackReference();
+ }
+
+ /**
+ * Pre-invoke for the conversation handling
+ * @param msg
+ * @throws TargetResolutionException
+ */
+ private void conversationPreinvoke(Message msg) {
+ if (conversational) {
+ ReferenceParameters parameters = msg.getFrom().getReferenceParameters();
+ // in some cases the ConversationID that should be used comes in with the
+ // message, e.g. when ws binding is in use.
+ Object convID = parameters.getConversationID();
+ if (convID != null) {
+ conversationID = convID;
+ }
+ conversation = conversationManager.getConversation(conversationID);
+
+ if (conversation == null || conversation.getState() == ConversationState.ENDED) {
+ conversation = conversationManager.startConversation(conversationID);
+ conversation.initializeConversationAttributes(wire.getTarget().getComponent());
+ } else if (conversation.conversationalAttributesInitialized() == false) {
+ conversation.initializeConversationAttributes(wire.getTarget().getComponent());
+ } else if (conversation.isExpired()){
+ throw new ConversationEndedException("Conversation has expired.");
+ }
+
+ conversation.updateLastReferencedTime();
+
+ parameters.setConversationID(conversation.getConversationID());
+ }
+ }
+
+ /**
+ * Post-invoke for the conversation handling
+ * @param wire
+ * @param operation
+ * @throws TargetDestructionException
+ */
+ @SuppressWarnings("unchecked")
+ private void conversationPostInvoke(Message msg) throws TargetDestructionException {
+ if (conversational) {
+ Operation operation = msg.getOperation();
+ ConversationSequence sequence = operation.getConversationSequence();
+ if (sequence == ConversationSequence.CONVERSATION_END) {
+ // in some cases the ConversationID that should be used comes in with the
+ // message, e.g. when ws binding is in use.
+ Object convID = msg.getFrom().getReferenceParameters().getConversationID();
+ if (convID != null) {
+ conversationID = convID;
+ }
+ conversation = conversationManager.getConversation(conversationID);
+
+ // remove conversation id from scope container
+ ScopeContainer scopeContainer = getConversationalScopeContainer(msg);
+
+ if (scopeContainer != null) {
+ scopeContainer.remove(conversation.getConversationID());
+ }
+
+ conversation.end();
+ }
+ }
+ }
+
+ @SuppressWarnings("unchecked")
+ private ScopeContainer getConversationalScopeContainer(Message msg) {
+ ScopeContainer scopeContainer = null;
+
+ RuntimeComponent component = msg.getTo().getComponent();
+
+ if (component instanceof ScopedRuntimeComponent) {
+ ScopedRuntimeComponent scopedRuntimeComponent = (ScopedRuntimeComponent)component;
+ ScopeContainer container = scopedRuntimeComponent.getScopeContainer();
+
+ if ((container != null) && (container.getScope() == Scope.CONVERSATION)) {
+ scopeContainer = container;
+ }
+ }
+
+ return scopeContainer;
+ }
+
+
+ /**
+ * Minimal wrapper for a callback object contained in a ServiceReference
+ */
+ private static class CallbackObjectWrapper<T> implements InstanceWrapper<T> {
+
+ private T instance;
+
+ private CallbackObjectWrapper(T instance) {
+ this.instance = instance;
+ }
+
+ public T getInstance() {
+ return instance;
+ }
+
+ public void start() {
+ // do nothing
+ }
+
+ public void stop() {
+ // do nothing
+ }
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/TargetInvocationException.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/TargetInvocationException.java
new file mode 100644
index 0000000000..2c4d657882
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/TargetInvocationException.java
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.invocation;
+
+/**
+ * Raised when an error is encountered during a target invocation
+ *
+ * @version $Rev$ $Date$
+ */
+public class TargetInvocationException extends Exception {
+
+ private static final long serialVersionUID = -6553427708442761743L;
+
+ public TargetInvocationException() {
+ super();
+ }
+
+ public TargetInvocationException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public TargetInvocationException(String message) {
+ super(message);
+ }
+
+ public TargetInvocationException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ThreadMessageContext.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ThreadMessageContext.java
new file mode 100644
index 0000000000..504bd9b036
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ThreadMessageContext.java
@@ -0,0 +1,72 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.invocation;
+
+import org.apache.tuscany.sca.core.assembly.EndpointReferenceImpl;
+import org.apache.tuscany.sca.invocation.Message;
+
+/**
+ * Class for tunnelling a WorkContext through the invocation of a user class.
+ *
+ * @version $Rev$ $Date$
+ */
+public final class ThreadMessageContext {
+
+ private static final ThreadLocal<Message> CONTEXT = new ThreadLocal<Message>() {
+ @Override
+ protected synchronized Message initialValue() {
+ Message msg = new MessageImpl();
+ msg.setFrom(new EndpointReferenceImpl("/"));
+ return msg;
+ }
+ };
+
+ private ThreadMessageContext() {
+ }
+
+ /**
+ * Set the WorkContext for the current thread.
+ * The current work context is returned and must be restored after the invocation is complete.
+ * Typical usage would be:
+ * <pre>
+ * WorkContext old = PojoWorkContextTunnel.setThreadWorkContext(newContext);
+ * try {
+ * ... invoke user code ...
+ * } finally {
+ * PojoWorkContextTunnel.setThreadWorkContext(old);
+ * }
+ * </pre>
+ * @param context
+ * @return the current work context for the thread; this must be restored after the invocation is made
+ */
+ public static Message setMessageContext(Message context) {
+ Message old = CONTEXT.get();
+ CONTEXT.set(context);
+ return old;
+ }
+
+ /**
+ * Returns the WorkContext for the current thread.
+ *
+ * @return the WorkContext for the current thread
+ */
+ public static Message getMessageContext() {
+ return CONTEXT.get();
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/WireObjectFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/WireObjectFactory.java
new file mode 100644
index 0000000000..246f9c45d6
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/WireObjectFactory.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.invocation;
+
+import org.apache.tuscany.sca.core.context.ServiceReferenceImpl;
+import org.apache.tuscany.sca.core.factory.ObjectCreationException;
+import org.apache.tuscany.sca.core.factory.ObjectFactory;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+
+/**
+ * Uses a wire to return an object instance
+ *
+ * @version $Rev$ $Date$
+ */
+public class WireObjectFactory<T> implements ObjectFactory<T> {
+ private Class<T> interfaze;
+ private RuntimeWire wire;
+ private ProxyFactory proxyService;
+
+ /**
+ * Constructor.
+ *
+ * @param interfaze the interface to inject on the client
+ * @param wire the backing wire
+ * @param proxyService the wire service to create the proxy
+ * @throws NoMethodForOperationException
+ */
+ public WireObjectFactory(Class<T> interfaze, RuntimeWire wire, ProxyFactory proxyService) {
+ this.interfaze = interfaze;
+ this.wire = wire;
+ this.proxyService = proxyService;
+ }
+
+ public T getInstance() throws ObjectCreationException {
+ return new ServiceReferenceImpl<T>(interfaze, wire, proxyService).getProxy();
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/AbstractScopeContainer.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/AbstractScopeContainer.java
new file mode 100644
index 0000000000..1168d1d0dd
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/AbstractScopeContainer.java
@@ -0,0 +1,200 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.scope;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.tuscany.sca.core.context.InstanceWrapper;
+import org.apache.tuscany.sca.event.Event;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * Implements functionality common to scope contexts.
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class AbstractScopeContainer<KEY> implements ScopeContainer<KEY> {
+ protected Map<KEY, InstanceWrapper<?>> wrappers = new ConcurrentHashMap<KEY, InstanceWrapper<?>>();
+ protected final Scope scope;
+
+ protected RuntimeComponent component;
+ protected volatile int lifecycleState = UNINITIALIZED;
+
+
+ public AbstractScopeContainer(Scope scope, RuntimeComponent component) {
+ this.scope = scope;
+ this.component = component;
+ }
+
+ protected void checkInit() {
+ if (getLifecycleState() != RUNNING) {
+ throw new IllegalStateException("Scope container not running [" + getLifecycleState() + "]");
+ }
+ }
+
+ /**
+ * Creates a new physical instance of a component, wrapped in an
+ * InstanceWrapper.
+ *
+ * @param component the component whose instance should be created
+ * @return a wrapped instance that has been injected but not yet started
+ * @throws TargetResolutionException if there was a problem creating the
+ * instance
+ */
+ protected InstanceWrapper createInstanceWrapper() throws TargetResolutionException {
+ ImplementationProvider implementationProvider = component.getImplementationProvider();
+ if (implementationProvider instanceof ScopedImplementationProvider) {
+ return ((ScopedImplementationProvider)implementationProvider).createInstanceWrapper();
+ }
+ return null;
+ }
+
+ public InstanceWrapper getAssociatedWrapper(KEY contextId) throws TargetResolutionException {
+ return getWrapper(contextId); // TODO: what is this method supposed to do diff than getWrapper?
+ }
+
+ public Scope getScope() {
+ return scope;
+ }
+
+ public InstanceWrapper getWrapper(KEY contextId) throws TargetResolutionException {
+ return wrappers.get(contextId);
+ }
+
+ public void addWrapperReference(KEY existingContextId, KEY newContextId)
+ throws TargetResolutionException {
+ // do nothing here. the conversational scope container implements this
+ }
+
+ public void registerWrapper(InstanceWrapper wrapper, KEY contextId) throws TargetResolutionException {
+ // do nothing here. the conversational scope container implements this
+ }
+
+ public void onEvent(Event event) {
+ }
+
+ protected boolean isEagerInit() {
+ ImplementationProvider implementationProvider = ((RuntimeComponent)component).getImplementationProvider();
+ if (implementationProvider instanceof ScopedImplementationProvider) {
+ return ((ScopedImplementationProvider)implementationProvider).isEagerInit();
+ }
+ return false;
+ }
+
+ public void returnWrapper(InstanceWrapper wrapper, KEY contextId) throws TargetDestructionException {
+ }
+
+ /**
+ * Default implementation of remove which does nothing
+ *
+ * @param contextId the identifier of the context to remove.
+ */
+ public void remove(KEY contextId)
+ throws TargetDestructionException {
+ }
+
+ public synchronized void start() {
+ int lifecycleState = getLifecycleState();
+ if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) {
+ throw new IllegalStateException("Scope must be in UNINITIALIZED or STOPPED state [" + lifecycleState + "]");
+ }
+ setLifecycleState(RUNNING);
+ }
+
+ public void startContext(KEY contextId) {
+ if(isEagerInit()) {
+ try {
+ getWrapper(contextId);
+ } catch (TargetResolutionException e) {
+ //
+ }
+ }
+ }
+
+ public synchronized void stop() {
+ int lifecycleState = getLifecycleState();
+ if (lifecycleState != RUNNING) {
+ throw new IllegalStateException("Scope in wrong state [" + lifecycleState + "]");
+ }
+ setLifecycleState(STOPPED);
+ }
+
+ public void stopContext(KEY contextId) {
+ wrappers.remove(contextId);
+ }
+
+ @Override
+ public String toString() {
+ String s;
+ switch (lifecycleState) {
+ case ScopeContainer.CONFIG_ERROR:
+ s = "CONFIG_ERROR";
+ break;
+ case ScopeContainer.ERROR:
+ s = "ERROR";
+ break;
+ case ScopeContainer.INITIALIZING:
+ s = "INITIALIZING";
+ break;
+ case ScopeContainer.INITIALIZED:
+ s = "INITIALIZED";
+ break;
+ case ScopeContainer.RUNNING:
+ s = "RUNNING";
+ break;
+ case ScopeContainer.STOPPING:
+ s = "STOPPING";
+ break;
+ case ScopeContainer.STOPPED:
+ s = "STOPPED";
+ break;
+ case ScopeContainer.UNINITIALIZED:
+ s = "UNINITIALIZED";
+ break;
+ default:
+ s = "UNKNOWN";
+ break;
+ }
+ return "In state [" + s + ']';
+ }
+
+ public RuntimeComponent getComponent() {
+ return component;
+ }
+
+ public void setComponent(RuntimeComponent component) {
+ this.component = component;
+ }
+
+ public int getLifecycleState() {
+ return lifecycleState;
+ }
+
+ /**
+ * Set the current state of the Lifecycle.
+ *
+ * @param lifecycleState the new state
+ */
+ protected void setLifecycleState(int lifecycleState) {
+ this.lifecycleState = lifecycleState;
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainer.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainer.java
new file mode 100644
index 0000000000..7e7ab7a9e4
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainer.java
@@ -0,0 +1,77 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.scope;
+
+import org.apache.tuscany.sca.core.context.InstanceWrapper;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * A scope context which manages atomic component instances keyed by composite
+ *
+ * @version $Rev$ $Date$
+ */
+public class CompositeScopeContainer<KEY> extends AbstractScopeContainer<KEY> {
+ private InstanceWrapper<?> wrapper;
+
+ public CompositeScopeContainer(RuntimeComponent component) {
+ super(Scope.COMPOSITE, component);
+ }
+
+ @Override
+ public synchronized void stop() {
+ super.stop();
+ if (wrapper != null) {
+ try {
+ wrapper.stop();
+ } catch (TargetDestructionException e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ wrapper = null;
+ }
+
+ @Override
+ public synchronized InstanceWrapper getWrapper(KEY contextId) throws TargetResolutionException {
+ if (wrapper == null) {
+ wrapper = createInstanceWrapper();
+ wrapper.start();
+ }
+ return wrapper;
+ }
+
+ @Override
+ public InstanceWrapper getAssociatedWrapper(KEY contextId) throws TargetResolutionException {
+ if (wrapper == null) {
+ throw new TargetNotFoundException(component.getURI());
+ }
+ return wrapper;
+ }
+
+ @Override
+ public synchronized void start() {
+ super.start();
+ if (isEagerInit()) {
+ try {
+ getWrapper(null);
+ } catch (TargetResolutionException e) {
+ throw new IllegalStateException(e);
+ }
+ }
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainerFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainerFactory.java
new file mode 100644
index 0000000000..786988613b
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainerFactory.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.core.scope;
+
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class CompositeScopeContainerFactory implements ScopeContainerFactory {
+
+ public ScopeContainer createScopeContainer(RuntimeComponent component) {
+ return new CompositeScopeContainer(component);
+ }
+
+ public Scope getScope() {
+ return Scope.COMPOSITE;
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ConversationalScopeContainer.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ConversationalScopeContainer.java
new file mode 100644
index 0000000000..deea96e641
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ConversationalScopeContainer.java
@@ -0,0 +1,288 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.scope;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.tuscany.sca.core.context.InstanceWrapper;
+import org.apache.tuscany.sca.core.conversation.ConversationListener;
+import org.apache.tuscany.sca.core.conversation.ConversationManager;
+import org.apache.tuscany.sca.core.conversation.ExtendedConversation;
+import org.apache.tuscany.sca.core.invocation.ThreadMessageContext;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.store.Store;
+
+/**
+ * A scope context which manages atomic component instances keyed on ConversationID
+ *
+ * @version $Rev$ $Date$
+ */
+public class ConversationalScopeContainer extends AbstractScopeContainer<Object> implements ConversationListener {
+ private ConversationManager conversationManager;
+ private Map<Object, InstanceLifeCycleWrapper> instanceLifecycleCollection =
+ new ConcurrentHashMap<Object, InstanceLifeCycleWrapper>();
+
+ public ConversationalScopeContainer(Store aStore, RuntimeComponent component) {
+ super(Scope.CONVERSATION, component);
+
+ // Note: aStore is here to preserve the original factory interface. It is not currently used in this
+ // implementation since we do not support instance persistence.
+
+ // Check System properties to see if timeout values have been specified. All timeout values
+ // will be specified in seconds.
+ //
+
+ }
+
+
+ protected InstanceWrapper getInstanceWrapper(boolean create, Object contextId) throws TargetResolutionException {
+
+ // we might get a null context if the target service has
+ // conversational scope but only its callback interface
+ // is conversational. In this case we need to invent a
+ // conversation Id here to store the service against
+ // and populate the thread context
+ if (contextId == null) {
+ contextId = UUID.randomUUID().toString();
+ Message msgContext = ThreadMessageContext.getMessageContext();
+
+ if (msgContext != null) {
+ msgContext.getFrom().getReferenceParameters().setConversationID(contextId);
+ }
+ }
+
+ InstanceLifeCycleWrapper anInstanceWrapper = this.instanceLifecycleCollection.get(contextId);
+
+ if (anInstanceWrapper == null && !create)
+ return null;
+
+ if (anInstanceWrapper == null) {
+ anInstanceWrapper = new InstanceLifeCycleWrapper(contextId);
+ this.instanceLifecycleCollection.put(contextId, anInstanceWrapper);
+ }
+
+ return anInstanceWrapper.getInstanceWrapper(contextId);
+
+ }
+
+ @Override
+ public InstanceWrapper getWrapper(Object contextId) throws TargetResolutionException {
+ return getInstanceWrapper(true, contextId);
+ }
+
+ /**
+ * This method allows a new context id to be registered alongside an existing one. This happens in
+ * one case, when a conversation includes a stateful callback. The client component instance
+ * must be registered against all outgoing conversation ids so that the component instance
+ * can be found when the callback arrives
+ *
+ * @param existingContextId the context id against which the component is already registered
+ * @param context this should be a conversation object so that the conversation can b stored
+ * and reset when the component instance is removed
+ */
+ public void addWrapperReference(Object existingContextId, Object contextId) throws TargetResolutionException {
+
+
+ // get the instance wrapper via the existing id
+ InstanceLifeCycleWrapper existingInstanceWrapper = this.instanceLifecycleCollection.get(existingContextId);
+ InstanceLifeCycleWrapper newInstanceWrapper = this.instanceLifecycleCollection.get(contextId);
+
+ // only add the extra reference once
+ if (newInstanceWrapper == null) {
+ // add the id to the list of ids that the wrapper holds. Used for reference
+ // counting and conversation resetting on destruction.
+ existingInstanceWrapper.addCallbackConversation(contextId);
+
+ // add the reference to the collection
+ this.instanceLifecycleCollection.put(contextId, existingInstanceWrapper);
+ }
+ }
+
+ public void registerWrapper(InstanceWrapper wrapper, Object contextId) throws TargetResolutionException {
+ // if a wrapper for a different instance is already registered for this contextId, remove it
+ InstanceLifeCycleWrapper anInstanceWrapper = this.instanceLifecycleCollection.get(contextId);
+ if (anInstanceWrapper != null) {
+ if (anInstanceWrapper.getInstanceWrapper(contextId).getInstance() != wrapper.getInstance()) {
+ remove(contextId);
+ } else {
+ return;
+ }
+ }
+
+ anInstanceWrapper = new InstanceLifeCycleWrapper(wrapper, contextId);
+ this.instanceLifecycleCollection.put(contextId, anInstanceWrapper);
+ }
+
+ // The remove is invoked when a conversation is explicitly ended. This can occur by using the @EndsConversation or API.
+ // In this case the instance is immediately removed. A new conversation will be started on the next operation
+ // associated with this conversationId's service reference.
+ //
+ @Override
+ public void remove(Object contextId) throws TargetDestructionException {
+ if (contextId != null) {
+ if (this.instanceLifecycleCollection.containsKey(contextId)) {
+ InstanceLifeCycleWrapper anInstanceLifeCycleWrapper = this.instanceLifecycleCollection.get(contextId);
+ this.instanceLifecycleCollection.remove(contextId);
+ anInstanceLifeCycleWrapper.removeInstanceWrapper(contextId);
+ }
+ }
+ }
+
+ /*
+ * This is an inner class that keeps track of the lifecycle of a conversation scoped
+ * implementation instance.
+ *
+ */
+
+ private class InstanceLifeCycleWrapper {
+ private Object clientConversationId;
+ private List<Object> callbackConversations = new ArrayList<Object>();
+
+ private InstanceLifeCycleWrapper(Object contextId) throws TargetResolutionException {
+ this.clientConversationId = contextId;
+ this.createInstance(contextId);
+ }
+
+ private InstanceLifeCycleWrapper(InstanceWrapper wrapper, Object contextId) throws TargetResolutionException {
+ this.clientConversationId = contextId;
+ wrappers.put(contextId, wrapper);
+ }
+
+
+ // Associates a callback conversation with this instance. Each time the scope container
+ // is asked to remove an object given a ontextId an associated conversation object will
+ // have its conversationId reset to null. When the list of ids is empty the component instance
+ // will be removed from the scope container
+ private void addCallbackConversation(Object conversationID) {
+ InstanceWrapper ctx = getInstanceWrapper(clientConversationId);
+ callbackConversations.add(conversationID);
+ wrappers.put(conversationID, ctx);
+ }
+
+ //
+ // Return the backing implementation instance
+ //
+ private InstanceWrapper getInstanceWrapper(Object contextId) {
+ InstanceWrapper ctx = wrappers.get(contextId);
+ return ctx;
+ }
+
+ private void removeInstanceWrapper(Object contextId) throws TargetDestructionException {
+ InstanceWrapper ctx = getInstanceWrapper(contextId);
+ wrappers.remove(contextId);
+
+ // find out if we are dealing with the original client conversation id
+ // and reset accordingly
+ if ( ( clientConversationId != null ) && ( clientConversationId.equals(contextId)) ) {
+ clientConversationId = null;
+ } else {
+ // reset the conversationId in the conversation object if present
+ // so that and ending callback causes the conversation in the originating
+ // service reference in the client to be reset
+ callbackConversations.remove(contextId);
+ }
+
+ // stop the component if this removes the last reference
+ if (clientConversationId == null && callbackConversations.isEmpty()) {
+ ctx.stop();
+ }
+ }
+
+ private void createInstance(Object contextId) throws TargetResolutionException {
+ InstanceWrapper instanceWrapper = createInstanceWrapper();
+ instanceWrapper.start();
+ wrappers.put(contextId, instanceWrapper);
+ }
+
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.core.conversation.ConversationListener#conversationEnded(org.apache.tuscany.sca.core.conversation.ExtendedConversation)
+ */
+ public void conversationEnded(ExtendedConversation conversation) {
+ try {
+ remove(conversation.getConversationID());
+ } catch (Exception ex) {
+
+ }
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.core.conversation.ConversationListener#conversationExpired(org.apache.tuscany.sca.core.conversation.ExtendedConversation)
+ */
+ public void conversationExpired(ExtendedConversation conversation) {
+
+ Object conversationId = conversation.getConversationID();
+ InstanceLifeCycleWrapper ilcw = instanceLifecycleCollection.get(conversationId);
+ if (ilcw != null) {
+ // cycle through all the references to this instance and
+ // remove them from the underlying wrappers collection and
+ // from the lifecycle wrappers collection
+
+ for (Object conversationID : ilcw.callbackConversations) {
+ try{
+ ilcw.removeInstanceWrapper(conversationID);
+ remove(conversationID);
+ } catch(TargetDestructionException tde) {
+ System.out.println("Could not remove conversation id " + conversationID);
+ }
+ }
+
+
+ if (ilcw.clientConversationId != null) {
+ try{
+ ilcw.removeInstanceWrapper(ilcw.clientConversationId);
+ remove(ilcw.clientConversationId);
+ } catch(TargetDestructionException tde) {
+ System.out.println("Could not remove conversation id " + ilcw.clientConversationId);
+ }
+ }
+
+ }
+
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.core.conversation.ConversationListener#conversationStarted(org.apache.tuscany.sca.core.conversation.ExtendedConversation)
+ */
+ public void conversationStarted(ExtendedConversation conversation) {
+ startContext(conversation.getConversationID());
+ }
+
+ /**
+ * @return the conversationManager
+ */
+ public ConversationManager getConversationManager() {
+ return conversationManager;
+ }
+
+ /**
+ * @param conversationManager the conversationManager to set
+ */
+ public void setConversationManager(ConversationManager conversationManager) {
+ this.conversationManager = conversationManager;
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ConversationalScopeContainerFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ConversationalScopeContainerFactory.java
new file mode 100644
index 0000000000..a6663aba09
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ConversationalScopeContainerFactory.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.core.scope;
+
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.store.Store;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class ConversationalScopeContainerFactory implements ScopeContainerFactory {
+ private Store store;
+
+ public ConversationalScopeContainerFactory(Store store) {
+ super();
+ this.store = store;
+ }
+
+ public ScopeContainer createScopeContainer(RuntimeComponent component) {
+ return new ConversationalScopeContainer(store, component);
+ }
+
+ public Scope getScope() {
+ return Scope.CONVERSATION;
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/HttpSessionScopeContainer.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/HttpSessionScopeContainer.java
new file mode 100644
index 0000000000..5ae8b94647
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/HttpSessionScopeContainer.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.core.scope;
+
+import org.apache.tuscany.sca.core.context.InstanceWrapper;
+import org.apache.tuscany.sca.core.event.HttpSessionEnd;
+import org.apache.tuscany.sca.event.Event;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * A scope context which manages atomic component instances keyed on HTTP
+ * session
+ *
+ * @version $Rev$ $Date$
+ */
+public class HttpSessionScopeContainer extends AbstractScopeContainer<Object> {
+
+ public HttpSessionScopeContainer(RuntimeComponent component) {
+ super(Scope.SESSION, component);
+ }
+
+ @Override
+ public void onEvent(Event event) {
+ checkInit();
+ if (event instanceof HttpSessionEnd) {
+ //FIXME key is not used
+ //Object key = ((HttpSessionEnd)event).getSessionID();
+ // FIXME: Remove the session id
+ }
+ }
+
+ @Override
+ public synchronized void start() {
+ if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) {
+ throw new IllegalStateException("Scope must be in UNINITIALIZED or STOPPED state [" + lifecycleState + "]");
+ }
+ lifecycleState = RUNNING;
+ }
+
+ @Override
+ public synchronized void stop() {
+ lifecycleState = STOPPED;
+ }
+
+ protected InstanceWrapper getInstanceWrapper(boolean create) throws TargetResolutionException {
+// Object key = workContext.getIdentifier(Scope.SESSION);
+ // FIXME: Need to fix this
+ Object key ="http-session-id";
+ assert key != null : "HTTP session key not bound in work context";
+ InstanceWrapper ctx = wrappers.get(key);
+ if (ctx == null && !create) {
+ return null;
+ }
+ if (ctx == null) {
+ ctx = super.createInstanceWrapper();
+ ctx.start();
+ wrappers.put(key, ctx);
+ }
+ return ctx;
+ }
+
+ @Override
+ public InstanceWrapper getWrapper(Object contextId) throws TargetResolutionException {
+ return getInstanceWrapper(true);
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/HttpSessionScopeContainerFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/HttpSessionScopeContainerFactory.java
new file mode 100644
index 0000000000..49f89661b1
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/HttpSessionScopeContainerFactory.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.core.scope;
+
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class HttpSessionScopeContainerFactory implements ScopeContainerFactory {
+
+ public HttpSessionScopeContainerFactory() {
+ super();
+ }
+
+ public ScopeContainer createScopeContainer(RuntimeComponent component) {
+ return new HttpSessionScopeContainer(component);
+ }
+
+ public Scope getScope() {
+ return Scope.SESSION;
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/RequestScopeContainer.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/RequestScopeContainer.java
new file mode 100644
index 0000000000..f11a61e662
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/RequestScopeContainer.java
@@ -0,0 +1,86 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.scope;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.tuscany.sca.core.context.InstanceWrapper;
+import org.apache.tuscany.sca.core.event.RequestEnd;
+import org.apache.tuscany.sca.event.Event;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * A scope context which manages atomic component instances keyed on the current
+ * request context
+ *
+ * @version $Rev$ $Date$
+ */
+public class RequestScopeContainer extends AbstractScopeContainer<Thread> {
+ private final Map<Thread, InstanceWrapper> contexts;
+
+ public RequestScopeContainer(RuntimeComponent component) {
+ super(Scope.REQUEST, component);
+ contexts = new ConcurrentHashMap<Thread, InstanceWrapper>();
+ }
+
+ @Override
+ public void onEvent(Event event) {
+ checkInit();
+ if (event instanceof RequestEnd) {
+ // shutdownInstances(Thread.currentThread());
+ }
+ }
+
+ @Override
+ public synchronized void start() {
+ if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) {
+ throw new IllegalStateException("Scope must be in UNINITIALIZED or STOPPED state [" + lifecycleState + "]");
+ }
+ lifecycleState = RUNNING;
+ }
+
+ @Override
+ public synchronized void stop() {
+ contexts.clear();
+ // synchronized (destroyQueues) {
+ // destroyQueues.clear();
+ // }
+ lifecycleState = STOPPED;
+ }
+
+ protected InstanceWrapper getInstanceWrapper(boolean create) throws TargetResolutionException {
+ InstanceWrapper ctx = wrappers.get(Thread.currentThread());
+ if (ctx == null && !create) {
+ return null;
+ }
+ if (ctx == null) {
+ ctx = super.createInstanceWrapper();
+ ctx.start();
+ wrappers.put(Thread.currentThread(), ctx);
+ }
+ return ctx;
+ }
+
+ @Override
+ public InstanceWrapper getWrapper(Thread contextId) throws TargetResolutionException {
+ return getInstanceWrapper(true);
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/RequestScopeContainerFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/RequestScopeContainerFactory.java
new file mode 100644
index 0000000000..1cfb6b06a4
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/RequestScopeContainerFactory.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.core.scope;
+
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class RequestScopeContainerFactory implements ScopeContainerFactory {
+
+ public ScopeContainer createScopeContainer(RuntimeComponent component) {
+ return new RequestScopeContainer(component);
+ }
+
+ public Scope getScope() {
+ return Scope.REQUEST;
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/Scope.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/Scope.java
new file mode 100644
index 0000000000..0a20d793f7
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/Scope.java
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.scope;
+
+/**
+ * The default implementation scopes supported by assemblies.
+ *
+ * @version $Rev$ $Date$
+ */
+public class Scope {
+ public static final Scope STATELESS = new Scope("STATELESS");
+ public static final Scope REQUEST = new Scope("REQUEST");
+ public static final Scope SESSION = new Scope("SESSION");
+ public static final Scope CONVERSATION = new Scope("CONVERSATION");
+ public static final Scope COMPOSITE = new Scope("COMPOSITE");
+ public static final Scope SYSTEM = new Scope("SYSTEM");
+ public static final Scope UNDEFINED = new Scope("UNDEFINED");
+
+ private String scope;
+
+ public Scope(String scope) {
+ this.scope = scope.toUpperCase().intern();
+ }
+
+ public String getScope() {
+ return scope;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+ final Scope scope1 = (Scope) o;
+ return !(scope != null ? scope != scope1.scope.intern() : scope1.scope != null);
+ }
+
+ @Override
+ public int hashCode() {
+ return scope != null ? scope.hashCode() : 0;
+ }
+
+ @Override
+ public String toString() {
+ return scope;
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeContainer.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeContainer.java
new file mode 100644
index 0000000000..6b2980b989
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeContainer.java
@@ -0,0 +1,159 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.scope;
+
+import org.apache.tuscany.sca.core.context.InstanceWrapper;
+import org.apache.tuscany.sca.event.RuntimeEventListener;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+
+/**
+ * Manages the lifecycle and visibility of instances associated with a an {@link RuntimeComponent}.
+ *
+ * @version $Rev$ $Date$
+ * @param <KEY> the type of IDs that this container uses to identify its contexts.
+ * For example, for COMPOSITE scope this could be the URI of the composite component,
+ * or for HTTP Session scope it might be the HTTP session ID.
+ */
+public interface ScopeContainer<KEY> extends RuntimeEventListener {
+
+ /**
+ * Returns the Scope that this container supports.
+ *
+ * @return the Scope that this container supports
+ */
+ Scope getScope();
+
+ /**
+ * Start a new context with the supplied ID.
+ *
+ * @param contextId an ID that uniquely identifies the context.
+ */
+ void startContext(KEY contextId);
+
+ /**
+ * Stop the context with the supplied ID.
+ *
+ * @param contextId an ID that uniquely identifies the context.
+ */
+ void stopContext(KEY contextId);
+
+ /**
+ * Returns an instance wrapper associated with the current scope context, creating one if necessary
+ * @param contextId the id for the scope context
+ *
+ * @return the wrapper for the target instance
+ * @throws TargetResolutionException if there was a problem instantiating the target instance
+ */
+ InstanceWrapper getWrapper(KEY contextId) throws TargetResolutionException;
+
+ /**
+ * Allows a component to be registered against more than one context id. This is required in the
+ * case of stateful callbacks where we want to identify the originating client component instance
+ * as the callback target but we don't want to reuse the clients original conversation id
+ *
+ * @param existingContextId an id that identifies an existing component instance
+ * @param newContextId a new id against which this component will also be registered
+ * @throws TargetResolutionException
+ */
+ void addWrapperReference(KEY existingContextId, KEY newContextId)
+ throws TargetResolutionException;
+
+ /**
+ * Register an existing instance against a context id. This is needed
+ * for a stateful callback where the service reference for the forward call
+ * contains a callback object that is not a service reference.
+ *
+ * @param wrapper the instance wrapper for the instance to be registered
+ * @param contextId the id for the scope context
+ * @throws TargetResolutionException
+ */
+ void registerWrapper(InstanceWrapper wrapper, KEY contextId)
+ throws TargetResolutionException;
+
+ /**
+ * Returns an implementation instance associated with the current scope context.
+ * If no instance is found, a {@link TargetNotFoundException} is thrown.
+ * @param contextId the id for the scope context
+ *
+ * @return the wrapper for the target instance
+ * @throws TargetResolutionException if there was a problem instantiating the target instance
+ */
+ InstanceWrapper getAssociatedWrapper(KEY contextId)
+ throws TargetResolutionException;
+
+ /**
+ * Return a wrapper after use (for example, after invoking the instance).
+ * @param wrapper the wrapper for the target instance being returned
+ * @param contextId the id for the scope context
+ *
+ * @throws TargetDestructionException if there was a problem returning the target instance
+ */
+ void returnWrapper(InstanceWrapper wrapper, KEY contextId)
+ throws TargetDestructionException;
+
+ /**
+ * Removes an identified component implementation instance associated with the current
+ * context from persistent storage
+ *
+ * @param contextId the identifier of the context to remove.
+ */
+ void remove(KEY contextId)
+ throws TargetDestructionException;
+
+ /* A configuration error state */
+ int CONFIG_ERROR = -1;
+ /* Has not been initialized */
+ int UNINITIALIZED = 0;
+ /* In the process of being configured and initialized */
+ int INITIALIZING = 1;
+ /* Instantiated and configured */
+ int INITIALIZED = 2;
+ /* Configured and initialized */
+ int RUNNING = 4;
+ /* In the process of being shutdown */
+ int STOPPING = 5;
+ /* Has been shutdown and removed from the composite */
+ int STOPPED = 6;
+ /* In an error state */
+ int ERROR = 7;
+
+ /**
+ * Returns the lifecycle state
+ *
+ * @see #UNINITIALIZED
+ * @see #INITIALIZING
+ * @see #INITIALIZED
+ * @see #RUNNING
+ * @see #STOPPING
+ * @see #STOPPED
+ */
+ int getLifecycleState();
+
+ /**
+ * Starts the Lifecycle.
+ */
+ void start();
+
+ /**
+ * Stops the Lifecycle.
+ */
+ void stop();
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeContainerFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeContainerFactory.java
new file mode 100644
index 0000000000..b19c14b3e0
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeContainerFactory.java
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.core.scope;
+
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * Factory to create ScopeContainer for components
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ScopeContainerFactory {
+ ScopeContainer createScopeContainer(RuntimeComponent component);
+ Scope getScope();
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeRegistry.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeRegistry.java
new file mode 100644
index 0000000000..842ed4c547
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeRegistry.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.scope;
+
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+
+/**
+ * Manages {@link ScopeContainer}s in the runtime
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ScopeRegistry {
+
+ /**
+ * Returns the scope container for the given scope or null if one not found
+ *
+ * @param scope the scope
+ * @return the scope container for the given scope or null if one not found
+ */
+ ScopeContainer getScopeContainer(RuntimeComponent component);
+
+ /**
+ * @param factory
+ */
+ void register(ScopeContainerFactory factory);
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeRegistryImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeRegistryImpl.java
new file mode 100644
index 0000000000..75261e11a8
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopeRegistryImpl.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.core.scope;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * The default implementation of a scope registry
+ *
+ * @version $Rev$ $Date$
+ */
+public class ScopeRegistryImpl implements ScopeRegistry {
+ private final Map<Scope, ScopeContainerFactory> scopeCache = new ConcurrentHashMap<Scope, ScopeContainerFactory>();
+
+ public void register(ScopeContainerFactory factory) {
+ scopeCache.put(factory.getScope(), factory);
+ }
+
+ public ScopeContainer getScopeContainer(RuntimeComponent runtimeComponent) {
+ if (!(runtimeComponent instanceof ScopedRuntimeComponent)) {
+ return null;
+ }
+ ScopedRuntimeComponent component = (ScopedRuntimeComponent)runtimeComponent;
+ if (component.getScopeContainer() != null) {
+ return component.getScopeContainer();
+ }
+ ImplementationProvider implementationProvider = component.getImplementationProvider();
+ if (implementationProvider instanceof ScopedImplementationProvider) {
+ ScopedImplementationProvider provider = (ScopedImplementationProvider)implementationProvider;
+ Scope scope = provider.getScope();
+ if (scope == null) {
+ scope = Scope.STATELESS;
+ }
+ ScopeContainerFactory factory = scopeCache.get(scope);
+ ScopeContainer container = factory.createScopeContainer(component);
+ component.setScopeContainer(container);
+ return container;
+ }
+ return null;
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopedImplementationProvider.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopedImplementationProvider.java
new file mode 100644
index 0000000000..85a6626cdd
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopedImplementationProvider.java
@@ -0,0 +1,65 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.scope;
+
+import org.apache.tuscany.sca.core.context.InstanceWrapper;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+
+/**
+ * A component implementation can implement this interface to provide scope
+ * management for the components
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ScopedImplementationProvider extends ImplementationProvider {
+ /**
+ * Get the scope for the component implementation
+ *
+ * @return The scope for the component implementation, if null is returned,
+ * STATELESS will be used
+ */
+ Scope getScope();
+
+ /**
+ * Indicate if the component needs to be eagerly initialized
+ *
+ * @return true if the component is marked to be eagerly initialized, false
+ * otherwise
+ */
+ boolean isEagerInit();
+
+ /**
+ * @return the maxAge
+ */
+ long getMaxAge();
+
+ /**
+ * @return the maxIdleTime
+ */
+ long getMaxIdleTime();
+
+ /**
+ * Create a wrapper for the component instance for the scope management
+ *
+ * @return A wrapper for the component instance
+ */
+ InstanceWrapper createInstanceWrapper();
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopedRuntimeComponent.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopedRuntimeComponent.java
new file mode 100644
index 0000000000..c27b112f8a
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/ScopedRuntimeComponent.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.core.scope;
+
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * Scoped runtime component
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ScopedRuntimeComponent extends RuntimeComponent {
+ /**
+ * Set the associated scope container
+ * @param scopeContainer
+ */
+ void setScopeContainer(ScopeContainer scopeContainer);
+ /**
+ * Get the assoicated scope container
+ * @return
+ */
+ ScopeContainer getScopeContainer();
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/StatelessScopeContainer.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/StatelessScopeContainer.java
new file mode 100644
index 0000000000..a2c0edb9b4
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/StatelessScopeContainer.java
@@ -0,0 +1,55 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.scope;
+
+import org.apache.tuscany.sca.core.context.InstanceWrapper;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * A scope context which manages stateless atomic component instances in a non-pooled fashion.
+ *
+ * @version $Rev$ $Date$
+ */
+public class StatelessScopeContainer<KEY> extends AbstractScopeContainer<KEY> {
+
+ public StatelessScopeContainer(RuntimeComponent component) {
+ super(Scope.STATELESS, component);
+ }
+
+ @Override
+ public InstanceWrapper getWrapper(KEY contextId)
+ throws TargetResolutionException {
+ InstanceWrapper ctx = createInstanceWrapper();
+ ctx.start();
+ return ctx;
+ }
+
+ @Override
+ public InstanceWrapper getAssociatedWrapper(KEY contextId)
+ throws TargetResolutionException {
+ return getWrapper(contextId);
+ }
+
+ @Override
+ public void returnWrapper(InstanceWrapper wrapper, KEY contextId)
+ throws TargetDestructionException {
+ wrapper.stop();
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/StatelessScopeContainerFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/StatelessScopeContainerFactory.java
new file mode 100644
index 0000000000..0471b2c52e
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/StatelessScopeContainerFactory.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.core.scope;
+
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class StatelessScopeContainerFactory implements ScopeContainerFactory {
+
+ public ScopeContainer createScopeContainer(RuntimeComponent component) {
+ return new StatelessScopeContainer(component);
+ }
+
+ public Scope getScope() {
+ return Scope.STATELESS;
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetDestructionException.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetDestructionException.java
new file mode 100644
index 0000000000..0f83dad97d
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetDestructionException.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.scope;
+
+/**
+ * Denotes an error destroying a target
+ *
+ * @version $Rev$ $Date$
+ */
+public class TargetDestructionException extends TargetResolutionException {
+ private static final long serialVersionUID = -6126684147851674709L;
+
+ public TargetDestructionException() {
+ super();
+ }
+
+ public TargetDestructionException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public TargetDestructionException(String message) {
+ super(message);
+ }
+
+ public TargetDestructionException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetInitializationException.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetInitializationException.java
new file mode 100644
index 0000000000..15959c0608
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetInitializationException.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.scope;
+
+/**
+ * Denotes an error initializing a target
+ *
+ * @version $Rev$ $Date$
+ */
+public class TargetInitializationException extends TargetResolutionException {
+ private static final long serialVersionUID = -6228778208649752698L;
+
+ public TargetInitializationException() {
+ super();
+ }
+
+ public TargetInitializationException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public TargetInitializationException(String message) {
+ super(message);
+ }
+
+ public TargetInitializationException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetNotFoundException.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetNotFoundException.java
new file mode 100644
index 0000000000..bb46a2499b
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetNotFoundException.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.scope;
+
+/**
+ * Thrown when a target of an operation cannot be found
+ *
+ * @version $Rev$ $Date$
+ */
+public class TargetNotFoundException extends TargetResolutionException {
+ private static final long serialVersionUID = 5541830480658471186L;
+
+ public TargetNotFoundException() {
+ super();
+ }
+
+ public TargetNotFoundException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public TargetNotFoundException(String message) {
+ super(message);
+ }
+
+ public TargetNotFoundException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetResolutionException.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetResolutionException.java
new file mode 100644
index 0000000000..ea8d0e876c
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/TargetResolutionException.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.core.scope;
+
+/**
+ * Denotes an error retrieving a target instance
+ *
+ * @version $Rev$ $Date$
+ */
+public class TargetResolutionException extends Exception {
+ private static final long serialVersionUID = 2912513650522019405L;
+
+ public TargetResolutionException() {
+ super();
+ }
+
+ public TargetResolutionException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public TargetResolutionException(String message) {
+ super(message);
+ }
+
+ public TargetResolutionException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/store/MemoryStore.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/store/MemoryStore.java
new file mode 100644
index 0000000000..5b838116c5
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/store/MemoryStore.java
@@ -0,0 +1,195 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.store;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.tuscany.sca.core.event.BaseEventPublisher;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.store.DuplicateRecordException;
+import org.apache.tuscany.sca.store.RecoveryListener;
+import org.apache.tuscany.sca.store.Store;
+import org.apache.tuscany.sca.store.StoreExpirationEvent;
+import org.apache.tuscany.sca.store.StoreMonitor;
+import org.apache.tuscany.sca.store.StoreWriteException;
+import org.osoa.sca.annotations.Destroy;
+import org.osoa.sca.annotations.EagerInit;
+import org.osoa.sca.annotations.Init;
+import org.osoa.sca.annotations.Property;
+import org.osoa.sca.annotations.Service;
+
+/**
+ * Implements a non-durable, non-transactional store using a simple in-memory map
+ *
+ * @version $Rev$ $Date$
+ */
+@Service(Store.class)
+@EagerInit
+public class MemoryStore extends BaseEventPublisher implements Store {
+ private Map<RuntimeComponent, Map<String, Record>> store;
+ // TODO integrate with a core threading scheme
+ private ScheduledExecutorService scheduler;
+ private long reaperInterval = 300000;
+ private StoreMonitor monitor;
+ private long defaultExpirationOffset = 600000; // 10 minutes
+
+ public MemoryStore(StoreMonitor monitor) {
+ this.monitor = monitor;
+ this.store = new ConcurrentHashMap<RuntimeComponent, Map<String, Record>>();
+ this.scheduler = Executors.newSingleThreadScheduledExecutor();
+ }
+
+ /**
+ * Returns the maximum default expiration offset for records in the store
+ *
+ * @return the maximum default expiration offset for records in the store
+ */
+ public long getDefaultExpirationOffset() {
+ return defaultExpirationOffset;
+ }
+
+ /**
+ * Sets the maximum default expiration offset for records in the store
+ */
+ @Property
+ public void setDefaultExpirationOffset(long defaultExpirationOffset) {
+ this.defaultExpirationOffset = defaultExpirationOffset;
+ }
+
+ /**
+ * Sets the interval for expired entry scanning to be performed
+ */
+ @Property
+ public void setReaperInterval(long reaperInterval) {
+ this.reaperInterval = reaperInterval;
+ }
+
+ public long getReaperInterval() {
+ return reaperInterval;
+ }
+
+ @Init
+ public void init() {
+ scheduler.scheduleWithFixedDelay(new Reaper(), reaperInterval, reaperInterval, TimeUnit.MILLISECONDS);
+ monitor.start("In-memory store started");
+ }
+
+ @Destroy
+ public void destroy() {
+ scheduler.shutdown();
+ monitor.stop("In-memory store stopped");
+ }
+
+ public void insertRecord(RuntimeComponent owner, String id, Object object, long expiration) throws StoreWriteException {
+ Map<String, Record> map = store.get(owner);
+ if (map == null) {
+ map = new ConcurrentHashMap<String, Record>();
+ store.put(owner, map);
+ }
+ if (map.containsKey(id)) {
+ throw new DuplicateRecordException("Duplicate record: " + owner.getURI() +" : " + id);
+ }
+ map.put(id, new Record(object, expiration));
+ }
+
+ public void updateRecord(RuntimeComponent owner, String id, Object object, long expiration) throws StoreWriteException {
+ Map<String, Record> map = store.get(owner);
+ if (map == null) {
+ throw new StoreWriteException("Record not found: " + owner.getURI() +" : " + id);
+ }
+ Record record = map.get(id);
+ if (record == null) {
+ throw new StoreWriteException("Record not found: " + owner.getURI() +" : " + id);
+ }
+ record.data = object;
+ }
+
+ public Object readRecord(RuntimeComponent owner, String id) {
+ Map<String, Record> map = store.get(owner);
+ if (map == null) {
+ return null;
+ }
+ Record record = map.get(id);
+ if (record != null) {
+ return record.data;
+ }
+ return null;
+ }
+
+ public void removeRecords() {
+ store.clear();
+ }
+
+ public void removeRecord(RuntimeComponent owner, String id) throws StoreWriteException {
+ Map<String, Record> map = store.get(owner);
+ if (map == null) {
+ throw new StoreWriteException("Owner not found: " + owner.getURI() +" : " + id);
+ }
+ if (map.remove(id) == null) {
+ throw new StoreWriteException("Owner not found: " + owner.getURI() +" : " + id);
+ }
+ }
+
+ public void recover(RecoveryListener listener) {
+ throw new UnsupportedOperationException();
+ }
+
+ private class Record {
+ private Object data;
+ private long expiration = NEVER;
+
+ public Record(Object data, long expiration) {
+ this.data = data;
+ this.expiration = expiration;
+ }
+
+ public Object getData() {
+ return data;
+ }
+
+ public long getExpiration() {
+ return expiration;
+ }
+ }
+
+ private class Reaper implements Runnable {
+
+ public void run() {
+ long now = System.currentTimeMillis();
+ for (Map.Entry<RuntimeComponent, Map<String, Record>> entries : store.entrySet()) {
+ for (Map.Entry<String, Record> entry : entries.getValue().entrySet()) {
+ final long expiration = entry.getValue().expiration;
+ if (expiration != NEVER && now >= expiration) {
+ RuntimeComponent owner = entries.getKey();
+ Object instance = entry.getValue().getData();
+ // notify listeners of the expiration
+ StoreExpirationEvent event = new StoreExpirationEvent(this, owner, instance);
+ publish(event);
+ entries.getValue().remove(entry.getKey());
+ }
+ }
+ }
+ }
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/Jsr237Work.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/Jsr237Work.java
new file mode 100644
index 0000000000..adeb667277
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/Jsr237Work.java
@@ -0,0 +1,65 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.work;
+
+/**
+ * JCA work wrapper.
+ *
+ * @version $Rev$ $Date$
+ */
+public class Jsr237Work<T extends Runnable> implements commonj.work.Work {
+
+ // Work that is being executed.
+ private T work;
+
+ /*
+ * Initializes the work instance.
+ */
+ public Jsr237Work(T work) {
+ this.work = work;
+ }
+
+ /*
+ * Returns the completed work.
+ */
+ public T getWork() {
+ return work;
+ }
+
+ /*
+ * Release the work.
+ */
+ public void release() {
+ }
+
+ /*
+ * Work attributes are not daemon.
+ */
+ public boolean isDaemon() {
+ return false;
+ }
+
+ /*
+ * Runs the work.
+ */
+ public void run() {
+ work.run();
+ }
+} \ No newline at end of file
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/Jsr237WorkScheduler.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/Jsr237WorkScheduler.java
new file mode 100644
index 0000000000..b331517c85
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/Jsr237WorkScheduler.java
@@ -0,0 +1,192 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.work;
+
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
+
+import org.apache.tuscany.sca.work.NotificationListener;
+import org.apache.tuscany.sca.work.WorkScheduler;
+import org.apache.tuscany.sca.work.WorkSchedulerException;
+
+import commonj.work.WorkEvent;
+import commonj.work.WorkListener;
+import commonj.work.WorkManager;
+
+/**
+ * A work scheduler implementation based on a JSR 237 work manager.
+ * <p/>
+ * <p/>
+ * This needs a JSR 237 work manager implementation available for scheduling work. Instances can be configured with a
+ * work manager implementation that is injected in. It is the responsibility of the runtime environment to make a work
+ * manager implementation available. For example, if the managed environment supports work manager the runtime can use
+ * the appropriate lookup mechanism to inject the work manager implementation. </p>
+ *
+ * @version $Rev$ $Date$
+ */
+public class Jsr237WorkScheduler implements WorkScheduler {
+
+ /**
+ * Underlying JSR-237 work manager
+ */
+ private WorkManager jsr237WorkManager;
+
+ /**
+ * Initializes the JSR 237 work manager.
+ *
+ * @param jsr237WorkManager JSR 237 work manager.
+ */
+ public Jsr237WorkScheduler() {
+
+ try {
+ InitialContext ctx = new InitialContext();
+ jsr237WorkManager = (WorkManager) ctx.lookup("java:comp/env/wm/TuscanyWorkManager");
+ } catch (NamingException e) {
+ // ignore
+ }
+ if (jsr237WorkManager == null) {
+ jsr237WorkManager = new ThreadPoolWorkManager(10);
+ }
+ }
+
+ /**
+ * 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.
+ */
+ public <T extends Runnable> void scheduleWork(T work) {
+ scheduleWork(work, null);
+ }
+
+ /**
+ * 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.
+ */
+ public <T extends Runnable> void scheduleWork(T work, NotificationListener<T> listener) {
+
+ if (work == null) {
+ throw new IllegalArgumentException("Work cannot be null");
+ }
+
+ Jsr237Work<T> jsr237Work = new Jsr237Work<T>(work);
+ try {
+ if (listener == null) {
+ jsr237WorkManager.schedule(jsr237Work);
+ } else {
+ Jsr237WorkListener<T> jsr237WorkListener = new Jsr237WorkListener<T>(listener, work);
+ jsr237WorkManager.schedule(jsr237Work, jsr237WorkListener);
+ }
+ } catch (IllegalArgumentException ex) {
+ if (listener != null) {
+ listener.workRejected(work);
+ } else {
+ throw new WorkSchedulerException(ex);
+ }
+ } catch (Exception ex) {
+ throw new WorkSchedulerException(ex);
+ }
+
+ }
+
+ public void destroy() {
+ if (jsr237WorkManager instanceof ThreadPoolWorkManager) {
+ // Allow privileged access to modify threads. Requires RuntimePermission in security
+ // policy.
+ AccessController.doPrivileged(new PrivilegedAction<Object>() {
+ public Object run() {
+ ((ThreadPoolWorkManager)jsr237WorkManager).destroy();
+ return null;
+ }
+ });
+ }
+ }
+
+ /*
+ * WorkListener for keeping track of work status callbacks.
+ *
+ */
+ private class Jsr237WorkListener<T extends Runnable> implements WorkListener {
+
+ // Notification listener
+ private NotificationListener<T> listener;
+
+ // Work
+ private T work;
+
+ /*
+ * Initializes the notification listener.
+ */
+ public Jsr237WorkListener(NotificationListener<T> listener, T work) {
+ this.listener = listener;
+ this.work = work;
+ }
+
+ /*
+ * Callback when the work is accepted.
+ */
+ public void workAccepted(WorkEvent workEvent) {
+ T work = getWork();
+ listener.workAccepted(work);
+ }
+
+ /*
+ * Callback when the work is rejected.
+ */
+ public void workRejected(WorkEvent workEvent) {
+ T work = getWork();
+ listener.workRejected(work);
+ }
+
+ /*
+ * Callback when the work is started.
+ */
+ public void workStarted(WorkEvent workEvent) {
+ T work = getWork();
+ listener.workStarted(work);
+ }
+
+ /*
+ * Callback when the work is completed.
+ */
+ public void workCompleted(WorkEvent workEvent) {
+ T work = getWork();
+ Exception exception = workEvent.getException();
+ if (exception != null) {
+ listener.workFailed(work, exception);
+ } else {
+ listener.workCompleted(work);
+ }
+ }
+
+ /*
+ * Gets the underlying work from the work event.
+ */
+ private T getWork() {
+ return work;
+ }
+
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/ThreadPoolWorkManager.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/ThreadPoolWorkManager.java
new file mode 100644
index 0000000000..fb47a65edf
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/ThreadPoolWorkManager.java
@@ -0,0 +1,235 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.work;
+
+import java.rmi.server.UID;
+import java.util.Collection;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.RejectedExecutionException;
+import java.util.concurrent.ThreadFactory;
+
+import org.osoa.sca.annotations.Destroy;
+
+import commonj.work.Work;
+import commonj.work.WorkEvent;
+import commonj.work.WorkException;
+import commonj.work.WorkItem;
+import commonj.work.WorkListener;
+import commonj.work.WorkManager;
+
+/**
+ * A thread-pool based implementation for the JSR-237 work manager.
+ * <p/>
+ * <p/>
+ * This implementation supports only local work.
+ * <p/>
+ * TODO Elaborate the implementation. </p>
+ *
+ * @version $Rev$ $Date$
+ */
+public class ThreadPoolWorkManager implements WorkManager {
+
+ // Map of work items currently handled by the work manager
+ private Map<WorkItemImpl, WorkListener> workItems = new ConcurrentHashMap<WorkItemImpl, WorkListener>();
+
+ // Thread-pool
+ private ExecutorService executor;
+
+ /**
+ * Initializes the thread-pool.
+ *
+ * @param threadPoolSize Thread-pool size.
+ * @throws IllegalArgumentException if threadPoolSize < 1
+ */
+ public ThreadPoolWorkManager(int threadPoolSize) {
+ if (threadPoolSize < 1) {
+ throw new IllegalArgumentException("Invalid threadPoolSize of "
+ + threadPoolSize + ". It must be >= 1");
+ }
+
+ // Creates a new Executor, use a custom ThreadFactory that
+ // creates daemon threads.
+ executor = Executors.newFixedThreadPool(threadPoolSize, new ThreadFactory() {
+ public Thread newThread(Runnable r) {
+ Thread thread = new Thread(r);
+ thread.setDaemon(true);
+ return thread;
+ }
+ });
+ }
+
+ /**
+ * Schedules a unit of work asynchronously.
+ *
+ * @param work Work that needs to be scheduled.
+ * @return Work Work item representing the asynchronous work
+ */
+ public WorkItem schedule(Work work) throws IllegalArgumentException {
+ return schedule(work, null);
+ }
+
+ /**
+ * Schedules a unit of work asynchronously.
+ *
+ * @param work Work that needs to be scheduled.
+ * @param workListener Work listener for callbacks.
+ * @return Work Work item representing the asynchronous work
+ */
+ public WorkItem schedule(Work work, WorkListener workListener) throws IllegalArgumentException {
+
+ WorkItemImpl workItem = new WorkItemImpl(new UID().toString(), work);
+ if (workListener != null) {
+ workItems.put(workItem, workListener);
+ }
+ workAccepted(workItem, work);
+ if (scheduleWork(work, workItem)) {
+ return workItem;
+ } else {
+ workItem.setStatus(WorkEvent.WORK_REJECTED);
+ if (workListener != null) {
+ workListener.workRejected(new WorkEventImpl(workItem));
+ }
+ throw new IllegalArgumentException("Unable to schedule work");
+ }
+ }
+
+ /**
+ * Wait for all the specified units of work to finish.
+ *
+ * @param works Units of the work that need to finish.
+ * @param timeout Timeout for waiting for the units of work to finish.
+ */
+ public boolean waitForAll(Collection works, long timeout) {
+ throw new UnsupportedOperationException("waitForAll not supported");
+ }
+
+ /**
+ * Wait for any of the specified units of work to finish.
+ *
+ * @param works Units of the work that need to finish.
+ * @param timeout Timeout for waiting for the units of work to finish.
+ */
+ public Collection waitForAny(Collection works, long timeout) {
+ throw new UnsupportedOperationException("waitForAny not supported");
+ }
+
+ /**
+ * Method provided for subclasses to indicate a work acceptance.
+ *
+ * @param workItem Work item representing the work that was accepted.
+ * @param work Work that was accepted.
+ */
+ private void workAccepted(final WorkItemImpl workItem, final Work work) {
+ WorkListener listener = workItems.get(workItem);
+ if (listener != null) {
+ workItem.setStatus(WorkEvent.WORK_ACCEPTED);
+ WorkEvent event = new WorkEventImpl(workItem);
+ listener.workAccepted(event);
+ }
+ }
+
+ /*
+ * Method to indicate a work start.
+ */
+ private void workStarted(final WorkItemImpl workItem, final Work work) {
+ WorkListener listener = workItems.get(workItem);
+ if (listener != null) {
+ workItem.setStatus(WorkEvent.WORK_STARTED);
+ WorkEvent event = new WorkEventImpl(workItem);
+ listener.workStarted(event);
+ }
+ }
+
+ /*
+ * Method to indicate a work completion.
+ */
+ private void workCompleted(final WorkItemImpl workItem, final Work work) {
+ workCompleted(workItem, work, null);
+ }
+
+ /*
+ * Method to indicate a work completion.
+ */
+ private void workCompleted(final WorkItemImpl workItem, final Work work, final WorkException exception) {
+ WorkListener listener = workItems.get(workItem);
+ if (listener != null) {
+ workItem.setStatus(WorkEvent.WORK_COMPLETED);
+ workItem.setResult(work);
+ workItem.setException(exception);
+ WorkEvent event = new WorkEventImpl(workItem);
+ listener.workCompleted(event);
+ workItems.remove(workItem);
+ }
+ }
+
+ /*
+ * Schedules the work using the ThreadPool.
+ */
+ private boolean scheduleWork(final Work work, final WorkItemImpl workItem) {
+ try {
+ executor.execute(new DecoratingWork(workItem, work));
+ return true;
+ } catch (RejectedExecutionException ex) {
+ return false;
+ }
+ }
+
+ /*
+ * Class that decorates the original worker so that it can get callbacks when work is done.
+ */
+ private final class DecoratingWork implements Runnable {
+
+ // Work item for this work.
+ private WorkItemImpl workItem;
+
+ // The original work.
+ private Work decoratedWork;
+
+ /*
+ * Initializes the work item and underlying work.
+ */
+ private DecoratingWork(final WorkItemImpl workItem, final Work decoratedWork) {
+ this.workItem = workItem;
+ this.decoratedWork = decoratedWork;
+ }
+
+ /*
+ * Overrides the run method.
+ */
+ public void run() {
+ workStarted(workItem, decoratedWork);
+ try {
+ decoratedWork.run();
+ workCompleted(workItem, decoratedWork);
+ } catch (Throwable th) {
+ workCompleted(workItem, decoratedWork, new WorkException(th.getMessage(), th));
+ }
+ }
+
+ }
+
+ @Destroy
+ public void destroy() {
+ executor.shutdown();
+ }
+
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/WorkEventImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/WorkEventImpl.java
new file mode 100644
index 0000000000..67d2b66f84
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/WorkEventImpl.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.core.work;
+
+
+import commonj.work.WorkEvent;
+import commonj.work.WorkException;
+import commonj.work.WorkItem;
+
+/**
+ * Default immutable implementation of the <code>WorkEvent</code> class.
+ *
+ * @version $Rev$ $Date$
+ */
+class WorkEventImpl implements WorkEvent {
+
+ // Work item for this event
+ private WorkItem workItem;
+
+ // Exception if something has gone wrong
+ private WorkException exception;
+
+ /**
+ * Instantiates the event.
+ *
+ * @param workItem Work item for this event.
+ */
+ public WorkEventImpl(final WorkItemImpl workItem) {
+ this.workItem = workItem;
+ this.exception = workItem.getException();
+ }
+
+ /**
+ * Returns the work type based on whether the work was accepted, started,
+ * rejected or completed.
+ *
+ * @return Work type.
+ */
+ public int getType() {
+ return workItem.getStatus();
+ }
+
+ /**
+ * Returns the work item associated with this work type.
+ *
+ * @return Work item.
+ */
+ public WorkItem getWorkItem() {
+ return workItem;
+ }
+
+ /**
+ * Returns the exception if the work completed with an exception.
+ *
+ * @return Work exception.
+ */
+ public WorkException getException() {
+ return exception;
+ }
+}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/WorkItemImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/WorkItemImpl.java
new file mode 100644
index 0000000000..170319b6e6
--- /dev/null
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/WorkItemImpl.java
@@ -0,0 +1,169 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.core.work;
+
+import commonj.work.Work;
+import commonj.work.WorkException;
+import commonj.work.WorkItem;
+
+/**
+ * An identity based immutable implementation of the <code>WorkItem</code>
+ * interface.
+ *
+ * @version $Rev$ $Date$
+ */
+class WorkItemImpl implements WorkItem {
+
+ // Id scoped for the VM
+ private String id;
+
+ // Status
+ private int status = -1;
+
+ // Result
+ private Work result;
+
+ // Original work
+ private Work originalWork;
+
+ // Exception
+ private WorkException exception;
+
+ /**
+ * Instantiates an id for this item.
+ *
+ * @param id of this work event.
+ */
+ protected WorkItemImpl(final String id, final Work orginalWork) {
+ this.id = id;
+ this.originalWork = orginalWork;
+ }
+
+ /**
+ * Returns the id.
+ *
+ * @return Id of this item.
+ */
+ public String getId() {
+ return id;
+ }
+
+ /**
+ * Returns the original work.
+ *
+ * @return Original work.
+ */
+ public Work getOriginalWork() {
+ return originalWork;
+ }
+
+ /**
+ * Returns the work result if the work completed.
+ *
+ * @return Work.
+ * @throws WorkException If the work completed with an exception.
+ */
+ public Work getResult() {
+ return result;
+ }
+
+ /**
+ * Sets the result.
+ *
+ * @param result Result.
+ */
+ protected void setResult(final Work result) {
+ this.result = result;
+ }
+
+ /**
+ * Returns the exception if work completed with an exception.
+ *
+ * @return Work exception.
+ */
+ protected WorkException getException() {
+ return exception;
+ }
+
+ /**
+ * Sets the exception.
+ *
+ * @param exception Exception.
+ */
+ protected void setException(final WorkException exception) {
+ this.exception = exception;
+ }
+
+ /**
+ * Returns the work type based on whether the work was accepted, started,
+ * rejected or completed.
+ *
+ * @return Work status.
+ */
+ public int getStatus() {
+ return status;
+ }
+
+ /**
+ * Sets the status.
+ *
+ * @param status Status.
+ */
+ protected void setStatus(final int status) {
+ this.status = status;
+ }
+
+ /**
+ * @see Object#hashCode()
+ */
+ @Override
+ public int hashCode() {
+ return id.hashCode();
+ }
+
+ /**
+ * Indicates whether some other object is "equal to" this one.
+ *
+ * @param obj Object to be compared.
+ * @return true if this object is the same as the obj argument; false
+ * otherwise..
+ */
+ @Override
+ public boolean equals(final Object obj) {
+ return (obj != null) && (obj.getClass() == WorkItemImpl.class) && ((WorkItemImpl) obj).id.equals(id);
+ }
+
+ /**
+ * Compares this object with the specified object for order. Returns a
+ * negative integer, zero, or a positive integer as this object is less
+ * than, equal to, or greater than the specified object.
+ *
+ * @param o Object to be compared.
+ * @return A negative integer, zero, or a positive integer as this object
+ * is less than, equal to, or greater than the specified object.
+ * @throws ClassCastException needs better documentation.
+ */
+ public int compareTo(final Object o) {
+ if (o.getClass() != WorkItemImpl.class) {
+ throw new ClassCastException(o.getClass().getName());
+ } else {
+ return ((WorkItemImpl) o).getId().compareTo(getId());
+ }
+ }
+}
diff --git a/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor b/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
new file mode 100644
index 0000000000..5f54178483
--- /dev/null
+++ b/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
@@ -0,0 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+# Implementation class for the artifact processor extension
+org.apache.tuscany.sca.core.assembly.ReferenceParameterProcessor;qname=http://tuscany.apache.org/xmlns/sca/1.0#referenceParameters,model=org.apache.tuscany.sca.runtime.ReferenceParameters
diff --git a/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.conversation.ConversationManager b/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.conversation.ConversationManager
new file mode 100644
index 0000000000..898054509b
--- /dev/null
+++ b/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.conversation.ConversationManager
@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+org.apache.tuscany.sca.core.conversation.ConversationManagerImpl
diff --git a/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint b/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint
new file mode 100644
index 0000000000..af281d8f4d
--- /dev/null
+++ b/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint
@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+org.apache.tuscany.sca.core.invocation.DefaultProxyFactoryExtensionPoint
diff --git a/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.invocation.MessageFactory b/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.invocation.MessageFactory
new file mode 100644
index 0000000000..bcbd5b0abf
--- /dev/null
+++ b/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.invocation.MessageFactory
@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+org.apache.tuscany.sca.core.invocation.MessageFactoryImpl
diff --git a/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.work.WorkScheduler b/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.work.WorkScheduler
new file mode 100644
index 0000000000..56e99be0f2
--- /dev/null
+++ b/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.work.WorkScheduler
@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+org.apache.tuscany.sca.core.work.Jsr237WorkScheduler