diff options
Diffstat (limited to 'java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeEndpointReferenceImpl.java')
| -rw-r--r-- | java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeEndpointReferenceImpl.java | 524 |
1 files changed, 0 insertions, 524 deletions
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeEndpointReferenceImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeEndpointReferenceImpl.java deleted file mode 100644 index fa61ff8721..0000000000 --- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeEndpointReferenceImpl.java +++ /dev/null @@ -1,524 +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.io.Externalizable; -import java.io.IOException; -import java.io.ObjectInput; -import java.io.ObjectOutput; -import java.lang.reflect.InvocationTargetException; -import java.security.AccessController; -import java.security.PrivilegedAction; -import java.util.ArrayList; -import java.util.List; -import java.util.Map; -import java.util.concurrent.ConcurrentHashMap; - -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.EndpointReference; -import org.apache.tuscany.sca.assembly.impl.EndpointReferenceImpl; -import org.apache.tuscany.sca.context.CompositeContext; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; -import org.apache.tuscany.sca.core.invocation.ExtensibleWireProcessor; -import org.apache.tuscany.sca.core.invocation.NonBlockingInterceptor; -import org.apache.tuscany.sca.core.invocation.RuntimeInvoker; -import org.apache.tuscany.sca.core.invocation.impl.InvocationChainImpl; -import org.apache.tuscany.sca.core.invocation.impl.PhaseManager; -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.BindingPolicyProvider; -import org.apache.tuscany.sca.provider.BindingProviderFactory; -import org.apache.tuscany.sca.provider.EndpointReferenceProvider; -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.runtime.EndpointReferenceBinder; -import org.apache.tuscany.sca.runtime.EndpointRegistry; -import org.apache.tuscany.sca.runtime.EndpointSerializer; -import org.apache.tuscany.sca.runtime.RuntimeComponentReference; -import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; -import org.apache.tuscany.sca.runtime.RuntimeWireProcessor; -import org.apache.tuscany.sca.runtime.RuntimeWireProcessorExtensionPoint; -import org.apache.tuscany.sca.work.WorkScheduler; -import org.oasisopen.sca.SCARuntimeException; -import org.oasisopen.sca.ServiceRuntimeException; - -/** - * Runtime model for Endpoint that supports java serialization - */ -public class RuntimeEndpointReferenceImpl extends EndpointReferenceImpl implements RuntimeEndpointReference, Externalizable { - private transient CompositeContext compositeContext; - private transient RuntimeWireProcessor wireProcessor; - private transient InterfaceContractMapper interfaceContractMapper; - private transient WorkScheduler workScheduler; - private transient PhaseManager phaseManager; - private transient MessageFactory messageFactory; - private transient RuntimeInvoker invoker; - private transient EndpointRegistry endpointRegistry; - - private transient List<InvocationChain> chains; - private transient Map<Operation, InvocationChain> invocationChainMap = - new ConcurrentHashMap<Operation, InvocationChain>(); - private transient InvocationChain bindingInvocationChain; - - private transient EndpointReferenceBinder eprBinder; - private transient ReferenceBindingProvider bindingProvider; - private transient ProviderFactoryExtensionPoint providerFactories; - private transient List<PolicyProvider> policyProviders; - private transient EndpointSerializer serializer; - - protected InterfaceContract bindingInterfaceContract; - protected InterfaceContract referenceInterfaceContract; - - private String xml; - - /** - * No-arg constructor for Java serilization - */ - public RuntimeEndpointReferenceImpl() { - super(null); - } - - public RuntimeEndpointReferenceImpl(ExtensionPointRegistry registry) { - super(registry); - } - - protected void copyFrom(RuntimeEndpointReferenceImpl copy) { - this.xml = copy.xml; - - this.component = copy.component; - this.reference = copy.reference; - this.interfaceContract = copy.interfaceContract; - this.referenceInterfaceContract = copy.referenceInterfaceContract; - this.callbackEndpoint = copy.callbackEndpoint; - this.targetEndpoint = copy.targetEndpoint; - - this.binding = copy.binding; - this.bindingInterfaceContract = copy.interfaceContract; - this.bindingInvocationChain = copy.bindingInvocationChain; - - this.requiredIntents = copy.requiredIntents; - this.policySets = copy.policySets; - - this.uri = copy.uri; - this.remote = copy.remote; - this.unresolved = copy.unresolved; - this.status = copy.status; - - this.chains = copy.chains; - this.invocationChainMap = copy.invocationChainMap; - this.bindingProvider = copy.bindingProvider; - this.policyProviders = copy.policyProviders; - - if (this.compositeContext == null && copy.compositeContext != null) { - bind(copy.compositeContext); - } - } - - public void bind(CompositeContext compositeContext) { - this.compositeContext = compositeContext; - bind(compositeContext.getExtensionPointRegistry(), compositeContext.getEndpointRegistry()); - } - - public void bind(ExtensionPointRegistry registry, EndpointRegistry endpointRegistry) { - if (compositeContext == null) { - compositeContext = new CompositeContext(registry, endpointRegistry); - } - this.registry = registry; - this.endpointRegistry = endpointRegistry; - UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class); - this.eprBinder = utilities.getUtility(EndpointReferenceBinder.class); - this.interfaceContractMapper = utilities.getUtility(InterfaceContractMapper.class); - this.workScheduler = utilities.getUtility(WorkScheduler.class); - this.wireProcessor = - new ExtensibleWireProcessor(registry.getExtensionPoint(RuntimeWireProcessorExtensionPoint.class)); - - this.messageFactory = registry.getExtensionPoint(FactoryExtensionPoint.class).getFactory(MessageFactory.class); - this.invoker = new RuntimeInvoker(this.messageFactory, this); - - this.phaseManager = utilities.getUtility(PhaseManager.class); - this.serializer = utilities.getUtility(EndpointSerializer.class); - this.providerFactories = registry.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, true, phaseManager); - initReferenceBindingInvocationChains(); - } - return bindingInvocationChain; - } - - public InvocationChain getInvocationChain(Operation operation) { - InvocationChain cached = invocationChainMap.get(operation); - if (cached == null) { - for (InvocationChain chain : getInvocationChains()) { - Operation op = chain.getSourceOperation(); - if (interfaceContractMapper.isCompatible(operation, op, op.getInterface().isRemotable())) { - invocationChainMap.put(operation, chain); - return chain; - } - } - invocationChainMap.put(operation, null); - return null; - } else { - return cached; - } - } - - public Message invoke(Message msg) { - return invoker.invoke(msg); - } - - public Object invoke(Operation operation, Object[] args) throws InvocationTargetException { - return invoker.invoke(operation, args); - } - - public Message invoke(Operation operation, Message msg) { - 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; - } - - /** - * Initialize the invocation chains - */ - private void initInvocationChains() { - chains = new ArrayList<InvocationChain>(); - InterfaceContract sourceContract = getComponentTypeReferenceInterfaceContract(); - // 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); - - // It's the reference wire - resolveEndpointReference(); - - InterfaceContract targetContract = getBindingInterfaceContract(); - // 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)getReference(); - 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 " - + getComponent().getURI() - + "#" - + reference.getName()); - } - InvocationChain chain = new InvocationChainImpl(operation, targetOperation, true, phaseManager); - if (operation.isNonBlocking()) { - addNonBlockingInterceptor(chain); - } - chains.add(chain); - addReferenceBindingInterceptor(chain, operation); - } - - 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() { - resolve(); - - boolean ok = eprBinder.bind(endpointRegistry, this); - if (!ok) { - throw new SCARuntimeException("Unable to bind " + this); - } - - // start the binding provider - final ReferenceBindingProvider bindingProvider = getBindingProvider(); - - 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 (PolicyProvider policyProvider : getPolicyProviders()) { - policyProvider.start(); - } - - // InterfaceContract bindingContract = getBindingInterfaceContract(); - // endpoint.setInterfaceContract(bindingContract); - } - - private void initReferenceBindingInvocationChains() { - - // add the binding interceptors to the reference binding wire - ReferenceBindingProvider provider = getBindingProvider(); - if ((provider != null) && (provider instanceof EndpointReferenceProvider)) { - ((EndpointReferenceProvider)provider).configure(); - } - - // add the policy interceptors to the service binding wire - // find out which policies are active - for (PolicyProvider p : getPolicyProviders()) { - if (p instanceof BindingPolicyProvider) { - Interceptor interceptor = ((BindingPolicyProvider)p).createBindingInterceptor(); - if (interceptor != null) { - bindingInvocationChain.addInterceptor(interceptor); - } - } - } - } - - 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; - - setStatus(EndpointReference.NOT_CONFIGURED); - - // TODO - cheating here as I fixed the RuntimeComponentService code - // to call this when it resets the interface contract - //endpointReference.setInterfaceContract(epr.getInterfaceContract()); - } - - /** - * Add the interceptor for a reference binding - * - * @param reference - * @param binding - * @param chain - * @param operation - */ - private void addReferenceBindingInterceptor(InvocationChain chain, Operation operation) { - ReferenceBindingProvider provider = getBindingProvider(); - if (provider != null) { - Invoker invoker = provider.createInvoker(operation); - if (invoker != null) { - chain.addInvoker(invoker); - } - } - List<PolicyProvider> pps = getPolicyProviders(); - if (pps != null) { - for (PolicyProvider p : pps) { - Interceptor interceptor = p.createInterceptor(operation); - if (interceptor != null) { - chain.addInterceptor(p.createInterceptor(operation)); - } - } - } - } - - /** - * Add a non-blocking interceptor if the reference binding needs it - * - * @param reference - * @param binding - * @param chain - */ - private void addNonBlockingInterceptor(InvocationChain chain) { - ReferenceBindingProvider provider = getBindingProvider(); - if (provider != null) { - boolean supportsOneWayInvocation = provider.supportsOneWayInvocation(); - if (!supportsOneWayInvocation) { - chain.addInterceptor(Phase.REFERENCE, new NonBlockingInterceptor(workScheduler)); - } - } - } - - /** - * @see java.lang.Object#clone() - */ - @Override - public Object clone() throws CloneNotSupportedException { - RuntimeEndpointReferenceImpl copy = (RuntimeEndpointReferenceImpl)super.clone(); - copy.invoker = new RuntimeInvoker(copy.messageFactory, copy); - return copy; - } - - public boolean isOutOfDate() { - resolve(); - return eprBinder.isOutOfDate(endpointRegistry, this); - } - - public synchronized ReferenceBindingProvider getBindingProvider() { - resolve(); - // For the case that binding.sca is implemented by another binding - if (binding == null) { - return null; - } - if (bindingProvider == null) { - BindingProviderFactory factory = - (BindingProviderFactory)providerFactories.getProviderFactory(getBinding().getClass()); - if (factory == null) { - throw new ServiceRuntimeException("No provider factory is registered for binding " + getBinding() - .getType()); - } - this.bindingProvider = factory.createReferenceBindingProvider(this); - } - return bindingProvider; - } - - public void setBindingProvider(ReferenceBindingProvider bindingProvider) { - this.bindingProvider = bindingProvider; - } - - public synchronized List<PolicyProvider> getPolicyProviders() { - resolve(); - if (policyProviders == null) { - policyProviders = new ArrayList<PolicyProvider>(); - for (PolicyProviderFactory factory : providerFactories.getPolicyProviderFactories()) { - PolicyProvider provider = factory.createReferencePolicyProvider(this); - if (provider != null) { - policyProviders.add(provider); - } - } - } - return policyProviders; - } - - public void unbind() { - bindingInvocationChain = null; - chains = null; - bindingProvider = null; - policyProviders = null; - invocationChainMap.clear(); - } - - public Contract getContract() { - return getReference(); - } - - public CompositeContext getCompositeContext() { - return compositeContext; - } - - public InterfaceContract getBindingInterfaceContract() { - resolve(); - if (bindingInterfaceContract != null) { - return bindingInterfaceContract; - } - bindingInterfaceContract = getBindingProvider().getBindingInterfaceContract(); - if (bindingInterfaceContract == null) { - bindingInterfaceContract = getComponentReferenceInterfaceContract(); - } - if (bindingInterfaceContract == null) { - bindingInterfaceContract = getComponentTypeReferenceInterfaceContract(); - } - return bindingInterfaceContract; - } - - public InterfaceContract getComponentTypeReferenceInterfaceContract() { - resolve(); - if (referenceInterfaceContract != null) { - return referenceInterfaceContract; - } - if (reference == null) { - return getComponentReferenceInterfaceContract(); - } - referenceInterfaceContract = getLeafContract(reference).getInterfaceContract(); - if (referenceInterfaceContract == null) { - referenceInterfaceContract = getComponentReferenceInterfaceContract(); - } - return referenceInterfaceContract; - } - - @Override - protected synchronized void resolve() { - if (xml != null && component == null) { - if (compositeContext == null) { - compositeContext = CompositeContext.getCurrentCompositeContext(); - if (compositeContext != null) { - bind(compositeContext); - } - } - RuntimeEndpointReferenceImpl epr = (RuntimeEndpointReferenceImpl)serializer.readEndpointReference(xml); - copyFrom(epr); - } - super.resolve(); - } - - public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { - this.uri = in.readUTF(); - this.xml = in.readUTF(); - } - - public void writeExternal(ObjectOutput out) throws IOException { - out.writeUTF(getURI()); - if (serializer == null && xml != null) { - out.writeUTF(xml); - } else { - if (serializer != null) { - out.writeUTF(serializer.write(this)); - } else { - throw new IllegalStateException("No serializer is configured"); - } - } - } - -} |