diff options
Diffstat (limited to 'sca-java-1.x/tags/1.6-TUSCANY-3909/core/src/main/java/org/apache/tuscany/sca/core/assembly/CompositeActivatorImpl.java')
| -rw-r--r-- | sca-java-1.x/tags/1.6-TUSCANY-3909/core/src/main/java/org/apache/tuscany/sca/core/assembly/CompositeActivatorImpl.java | 1101 |
1 files changed, 1101 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/core/src/main/java/org/apache/tuscany/sca/core/assembly/CompositeActivatorImpl.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/core/src/main/java/org/apache/tuscany/sca/core/assembly/CompositeActivatorImpl.java new file mode 100644 index 0000000000..f51931c53b --- /dev/null +++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/core/src/main/java/org/apache/tuscany/sca/core/assembly/CompositeActivatorImpl.java @@ -0,0 +1,1101 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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; + } + + // TODO: TUSCANY-2580: avoid NPE if the InterfaceCOntract is null + Reference ctref = endpoint.getSourceComponentReference().getReference(); + if (ctref != null && ctref.getInterfaceContract() == null) { + ctref.setInterfaceContract(reference.getInterfaceContract()); + } + + 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; + if (componentTypeRef == null || componentTypeRef.getInterfaceContract() == null) { + sourceContract = reference.getInterfaceContract(); + } else { + sourceContract = 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; + } + +} |