diff options
Diffstat (limited to 'tags/java/sca/2.0-M3-RC2/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeWireImpl.java')
| -rw-r--r-- | tags/java/sca/2.0-M3-RC2/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeWireImpl.java | 680 |
1 files changed, 0 insertions, 680 deletions
diff --git a/tags/java/sca/2.0-M3-RC2/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeWireImpl.java b/tags/java/sca/2.0-M3-RC2/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeWireImpl.java deleted file mode 100644 index ada355d32e..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeWireImpl.java +++ /dev/null @@ -1,680 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.impl; - -import java.lang.reflect.InvocationTargetException; -import java.security.AccessController; -import java.security.PrivilegedAction; -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.CompositeReference; -import org.apache.tuscany.sca.assembly.CompositeService; -import org.apache.tuscany.sca.assembly.Contract; -import org.apache.tuscany.sca.assembly.Endpoint; -import org.apache.tuscany.sca.assembly.EndpointReference; -import org.apache.tuscany.sca.assembly.builder.EndpointReferenceBuilder; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; -import org.apache.tuscany.sca.core.conversation.ConversationManager; -import org.apache.tuscany.sca.core.invocation.NonBlockingInterceptor; -import org.apache.tuscany.sca.core.invocation.RuntimeWireInvoker; -import org.apache.tuscany.sca.core.invocation.impl.InvocationChainImpl; -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.BindingProviderFactory; -import org.apache.tuscany.sca.provider.ImplementationProvider; -import org.apache.tuscany.sca.provider.PolicyProvider; -import org.apache.tuscany.sca.provider.PolicyProviderFactory; -import org.apache.tuscany.sca.provider.PolicyProviderRRB; -import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; -import org.apache.tuscany.sca.provider.ReferenceBindingProvider; -import org.apache.tuscany.sca.provider.ReferenceBindingProviderRRB; -import org.apache.tuscany.sca.provider.ServiceBindingProvider; -import org.apache.tuscany.sca.provider.ServiceBindingProviderRRB; -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.oasisopen.sca.ServiceRuntimeException; - -/** - * @version $Rev$ $Date$ - */ -public class RuntimeWireImpl implements RuntimeWire { - - ExtensionPointRegistry extensionPoints; - - private Boolean isReferenceWire = false; - private EndpointReference endpointReference; - private Endpoint endpoint; - - 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 Endpoint lastCallback; - private RuntimeWire cachedWire; - private boolean wireReserved; - private RuntimeWireImpl clonedFrom; - - private List<InvocationChain> chains; - private InvocationChain bindingInvocationChain; - - private EndpointReferenceBuilder endpointReferenceBuilder; - private final ProviderFactoryExtensionPoint providerFactories; - - /** - * @param source - * @param target - * @param interfaceContractMapper - * @param workScheduler - * @param wireProcessor - * @param messageFactory - * @param conversationManager - */ - public RuntimeWireImpl(ExtensionPointRegistry extensionPoints, - boolean isReferenceWire, - EndpointReference endpointReference, - Endpoint endpoint, - InterfaceContractMapper interfaceContractMapper, - WorkScheduler workScheduler, - RuntimeWireProcessor wireProcessor, - MessageFactory messageFactory, - ConversationManager conversationManager) { - super(); - this.extensionPoints = extensionPoints; - this.isReferenceWire = isReferenceWire; - this.endpointReference = endpointReference; - this.endpoint = endpoint; - this.interfaceContractMapper = interfaceContractMapper; - this.workScheduler = workScheduler; - this.wireProcessor = wireProcessor; - this.messageFactory = messageFactory; - this.conversationManager = conversationManager; - this.invoker = new RuntimeWireInvoker(this.messageFactory, this.conversationManager, this); - - UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class); - this.endpointReferenceBuilder = utilities.getUtility(EndpointReferenceBuilder.class); - this.providerFactories = extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class); - } - - public synchronized List<InvocationChain> getInvocationChains() { - if (chains == null) { - initInvocationChains(); - } - return chains; - } - - public synchronized InvocationChain getBindingInvocationChain() { - if (bindingInvocationChain == null) { - bindingInvocationChain = new InvocationChainImpl(null, null, isReferenceWire); - if (isReferenceWire) { - initReferenceBindingInvocationChains(); - } else { - initServiceBindingInvocationChains(); - } - } - return bindingInvocationChain; - } - - public InvocationChain getInvocationChain(Operation operation) { - for (InvocationChain chain : getInvocationChains()) { - Operation op = null; - if (isReferenceWire) { - op = chain.getSourceOperation(); - } else { - op = chain.getTargetOperation(); - } - if (interfaceContractMapper.isCompatible(operation, op, op.getInterface().isRemotable())) { - return chain; - } - } - return null; - } - - public Object invoke(Message msg) throws InvocationTargetException { - return getBindingInvocationChain().getHeadInvoker().invoke(msg); - } - - 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); - } - - /** - * Navigate the component/componentType inheritence chain to find the leaf contract - * @param contract - * @return - */ - private Contract getLeafContract(Contract contract) { - Contract prev = null; - Contract current = contract; - while (current != null) { - prev = current; - if (current instanceof ComponentReference) { - current = ((ComponentReference)current).getReference(); - } else if (current instanceof CompositeReference) { - current = ((CompositeReference)current).getPromotedReferences().get(0); - } else if (current instanceof ComponentService) { - current = ((ComponentService)current).getService(); - } else if (current instanceof CompositeService) { - current = ((CompositeService)current).getPromotedService(); - } else { - break; - } - if (current == null) { - return prev; - } - } - return current; - } - - private InterfaceContract getLeafInterfaceContract(EndpointReference epr) { - ComponentReference reference = epr.getReference(); - if (reference == null) { - return epr.getInterfaceContract(); - } - InterfaceContract interfaceContract = getLeafContract(reference).getInterfaceContract(); - if (interfaceContract == null) { - interfaceContract = epr.getInterfaceContract(); - } - return interfaceContract; - } - - private InterfaceContract getLeafInterfaceContract(Endpoint ep) { - ComponentService service = ep.getService(); - if (service == null) { - return ep.getInterfaceContract(); - } - InterfaceContract interfaceContract = getLeafContract(service).getInterfaceContract(); - if (interfaceContract == null) { - interfaceContract = ep.getInterfaceContract(); - } - return interfaceContract; - } - - /** - * Initialize the invocation chains - */ - private void initInvocationChains() { - chains = new ArrayList<InvocationChain>(); - InterfaceContract sourceContract = endpointReference.getInterfaceContract(); - // TODO - EPR why is this looking at the component types. The endpoint reference should have the right interface contract by this time - //InterfaceContract sourceContract = getLeafInterfaceContract(endpointReference); - - if (isReferenceWire) { - // It's the reference wire - resolveEndpointReference(); - - InterfaceContract targetContract = endpoint.getInterfaceContract(); - // TODO - EPR why is this looking at the component types. The endpoint should have the right interface contract by this time - //InterfaceContract targetContract = getLeafInterfaceContract(endpoint); - - RuntimeComponentReference reference = (RuntimeComponentReference)endpointReference.getReference(); - Binding refBinding = endpointReference.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 " - + endpointReference.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)endpoint.getService(); - RuntimeComponent serviceComponent = (RuntimeComponent)endpoint.getComponent(); - Binding serviceBinding = endpoint.getBinding(); - //InterfaceContract targetContract = endpoint.getInterfaceContract(); - // TODO - EPR - why is this looking at the component types. The endpoint should have the right interface contract by this time - InterfaceContract targetContract = getLeafInterfaceContract(endpoint); - endpoint.setInterfaceContract(targetContract); - 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); - } - addServiceBindingInterceptor(service, serviceBinding, chain, operation); - addImplementationInterceptor(serviceComponent, service, chain, targetOperation); - chains.add(chain); - } - - } - wireProcessor.process(this); - } - - - /** - * This code used to be in the activator but has moved here as - * the endpoint reference may not now be resolved until the wire - * is first used - */ - private void resolveEndpointReference(){ - endpointReferenceBuilder.build(endpointReference, null); - - // set the endpoint based on the resolved endpoint - endpoint = endpointReference.getTargetEndpoint(); - - RuntimeComponentReference runtimeRef = (RuntimeComponentReference)endpointReference.getReference(); - - if (runtimeRef.getBindingProvider(endpointReference.getBinding()) == null) { - addReferenceBindingProvider((RuntimeComponent)endpointReference.getComponent(), - runtimeRef, - endpointReference.getBinding()); - } - - // start the binding provider - final ReferenceBindingProvider bindingProvider = runtimeRef.getBindingProvider(endpointReference.getBinding()); - - 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; - } - }); - } - - InterfaceContract bindingContract = getInterfaceContract(endpointReference.getReference(), endpointReference.getBinding()); - Endpoint endpoint = endpointReference.getTargetEndpoint(); - endpoint.setInterfaceContract(bindingContract); - } - - 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()); - } - } - - private InterfaceContract getInterfaceContract(ComponentReference reference, Binding binding) { - InterfaceContract interfaceContract = reference.getInterfaceContract(); - if (interfaceContract == null) { - interfaceContract = endpoint.getInterfaceContract(); - } - ReferenceBindingProvider provider = ((RuntimeComponentReference)reference).getBindingProvider(binding); - if (provider != null) { - InterfaceContract bindingContract = provider.getBindingInterfaceContract(); - if (bindingContract != null) { - interfaceContract = bindingContract; - } - } - return interfaceContract.makeUnidirectional(false); - } - - private void initReferenceBindingInvocationChains() { - RuntimeComponentReference reference = (RuntimeComponentReference)endpointReference.getReference(); - Binding referenceBinding = endpointReference.getBinding(); - - // add the binding interceptors to the reference binding wire - ReferenceBindingProvider provider = reference.getBindingProvider(referenceBinding); - if ((provider != null) && (provider instanceof ReferenceBindingProviderRRB)) { - ((ReferenceBindingProviderRRB)provider).configureBindingChain(this); - } - - // add the policy interceptors to the service binding wire - // find out which policies are active - List<PolicyProvider> pps = ((RuntimeComponentReference)reference).getPolicyProviders(referenceBinding); - if (pps != null) { - for (PolicyProvider p : pps) { - if (p instanceof PolicyProviderRRB) { - Interceptor interceptor = ((PolicyProviderRRB)p).createBindingInterceptor(); - if (interceptor != null) { - bindingInvocationChain.addInterceptor(p.getPhase(), interceptor); - } - } - } - } - } - - private void initServiceBindingInvocationChains() { - RuntimeComponentService service = (RuntimeComponentService)endpoint.getService(); - Binding serviceBinding = endpoint.getBinding(); - - // add the binding interceptors to the service binding wire - ServiceBindingProvider provider = service.getBindingProvider(serviceBinding); - if ((provider != null) && (provider instanceof ServiceBindingProviderRRB)) { - ((ServiceBindingProviderRRB)provider).configureBindingChain(this); - } - - // add the policy interceptors to the service binding wire - List<PolicyProvider> pps = ((RuntimeComponentService)service).getPolicyProviders(serviceBinding); - if (pps != null) { - for (PolicyProvider p : pps) { - if (p instanceof PolicyProviderRRB) { - Interceptor interceptor = ((PolicyProviderRRB)p).createBindingInterceptor(); - if (interceptor != null) { - bindingInvocationChain.addInterceptor(p.getPhase(), interceptor); - } - } - } - } - - // TODO - add something on the end of the wire to invoke the - // invocation chain. Need to split out the runtime - // wire invoker into conversation, callback interceptors etc - bindingInvocationChain.addInvoker(invoker); - - } - - // =============================================================== - // TODO - EPR remove when we convert fully over to EndpointReference2 - - // TODO - remove. Just here during development -/* - static EndpointReference epr; - - public EndpointReference getSource() { - // TODO - EPR convert this into method that returns EndpointReference2 - - // convert the source info into old endpoint reference format - epr = - new EndpointReferenceImpl((RuntimeComponent)endpointReference.getComponent(), endpointReference - .getReference(), endpointReference.getBinding(), endpointReference.getInterfaceContract()); - - if (endpointReference.getCallbackEndpoint() != null) { - // convert the source callback endpoint into old endpoint reference format - EndpointReference cepr; - cepr = - new EndpointReferenceImpl((RuntimeComponent)endpointReference.getComponent(), endpointReference - .getCallbackEndpoint().getService(), endpointReference.getCallbackEndpoint().getBinding(), - endpointReference.getCallbackEndpoint().getInterfaceContract()); - epr.setCallbackEndpoint(cepr); - } - - // TODO - somtimes used to reset the interface contract so we - // copy it back in in the rebuild method below - return epr; - } - - public EndpointReference getTarget() { - // TODO - EPR convert this into method that returns Endpoint2 - - Endpoint2 endpoint = this.endpoint != null ? this.endpoint : endpointReference.getTargetEndpoint(); - - // convert the target info into old endpoint reference format - EndpointReference epr = - new EndpointReferenceImpl((RuntimeComponent)endpoint.getComponent(), endpoint.getService(), endpoint - .getBinding(), endpoint.getInterfaceContract()); - return epr; - } - - public void setTarget(EndpointReference target) { - // TODO - can we use the idea of setTarget to rebuild the wire? - - } -*/ - - // =================================================================== - - public void rebuild() { - // TODO - can we use the idea of setTarget to rebuild the wire? - // used at the moment by binding.sca when it resets the - // source interface contract for local wires - this.chains = null; - - // TODO - cheating here as I fixed the RuntimeComponentService code - // to call this when it resets the interface contract - //endpointReference.setInterfaceContract(epr.getInterfaceContract()); - } - - public EndpointReference getEndpointReference() { - return endpointReference; - } - - public Endpoint getEndpoint() { - return endpoint; - } - - /** - * 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(ComponentService 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.endpointReference = (EndpointReference)endpointReference.clone(); - copy.endpoint = copy.endpointReference.getTargetEndpoint(); - copy.invoker = new RuntimeWireInvoker(copy.messageFactory, copy.conversationManager, copy); - copy.cachedWire = null; // TUSCANY-2630 - return copy; - } - - /** - * @return the conversationManager - */ - public ConversationManager getConversationManager() { - return conversationManager; - } - - public synchronized RuntimeWire lookupCache(Endpoint callback) { - if (lastCallback != null && - callback.getURI().equals(lastCallback.getURI()) && - !wireReserved) { - wireReserved = true; - return cachedWire; - } else { - return null; - } - } - - public synchronized void addToCache(Endpoint 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; - } -} |