From 132aa8a77685ec92bc90c03f987650d275a7b639 Mon Sep 17 00:00:00 2001 From: lresende Date: Mon, 30 Sep 2013 06:59:11 +0000 Subject: 2.0.1 RC1 release tag git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1527464 13f79535-47bb-0310-9956-ffa450edef68 --- .../provider/RuntimeSCAServiceBindingProvider.java | 130 +++++++++++++++++++++ 1 file changed, 130 insertions(+) create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAServiceBindingProvider.java (limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAServiceBindingProvider.java') diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAServiceBindingProvider.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAServiceBindingProvider.java new file mode 100644 index 0000000000..2dc019226a --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAServiceBindingProvider.java @@ -0,0 +1,130 @@ +/* + * 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.binding.sca.provider; + +import org.apache.tuscany.sca.binding.local.LocalSCABindingInvocationInterceptor; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.invocation.InvokerAsyncResponse; +import org.apache.tuscany.sca.invocation.Phase; +import org.apache.tuscany.sca.provider.EndpointAsyncProvider; +import org.apache.tuscany.sca.provider.EndpointProvider; +import org.apache.tuscany.sca.provider.OptimisingBindingProvider; +import org.apache.tuscany.sca.provider.SCABindingMapper; +import org.apache.tuscany.sca.provider.ServiceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; + +/** + * The sca service binding provider mediates between the twin requirements of + * local sca bindings and remote sca bindings. In the local case is does + * very little. When the sca binding model is set as being remote this binding will + * try and create a remote service endpoint for remote references to connect to + * + * @version $Rev$ $Date$ + */ +public class RuntimeSCAServiceBindingProvider implements EndpointAsyncProvider, OptimisingBindingProvider { + private RuntimeEndpoint endpoint; + private SCABindingMapper mapper; + + private ServiceBindingProvider delegatingBindingProvider; + + public RuntimeSCAServiceBindingProvider(SCABindingMapper scaBindingMapper, RuntimeEndpoint endpoint) { + this.endpoint = endpoint; + this.mapper = scaBindingMapper; + getDelegatingProvider(); + } + + // if there is potentially a wire to this service that crosses the node boundary + // then we need to create a remote endpoint + private ServiceBindingProvider getDelegatingProvider() { + if(delegatingBindingProvider == null) { + delegatingBindingProvider = new DelegatingSCAServiceBindingProvider(endpoint, mapper); + } + return delegatingBindingProvider; + } + + /* + protected boolean isDistributed(ExtensionPointRegistry extensionPoints, Endpoint endpoint) { + // find if the node config is for distributed endpoints + // TODO: temp, need a much better way to do this + DomainRegistryFactory domainRegistryFactory = ExtensibleDomainRegistryFactory.getInstance(extensionPoints); + Collection eprs = domainRegistryFactory.getEndpointRegistries(); + if (eprs.size() > 0) { + String eprName = eprs.iterator().next().getClass().getName(); + return !eprName.equals("org.apache.tuscany.sca.core.assembly.impl.DomainRegistryImpl"); + } + return false; + } + */ + + public InterfaceContract getBindingInterfaceContract() { + return getDelegatingProvider().getBindingInterfaceContract(); + } + + public boolean supportsOneWayInvocation() { + return getDelegatingProvider().supportsOneWayInvocation(); + } + + public void start() { + getDelegatingProvider().start(); + } + + public void stop() { + endpoint.getBinding().setURI(null); + getDelegatingProvider().stop(); + } + + public void configure() { + if (getDelegatingProvider() instanceof EndpointProvider) { + ((EndpointProvider)getDelegatingProvider()).configure(); + } + } + + public boolean supportsNativeAsync() { + return true; + } + + public InvokerAsyncResponse createAsyncResponseInvoker() { + return ((EndpointAsyncProvider)getDelegatingProvider()).createAsyncResponseInvoker(); + } + + /** + * Handles the optimization for the service side chain, which provides a mechanism for direct local + * invocation of the service in cases where the component reference is in the same JVM as the + * component service. Effectively, this means skipping any Remote Binding listener and its associated + * binding chain and data binding processors. + * + * This means inserting a SCABindingLocalInvocationInterceptor into the chains for the Endpoint, + * which is placed immediately before the Policy processors (and after any Databinding processors) + */ + public void optimiseBinding(RuntimeEndpoint ep) { + // To optimise, place an SCA binding Local Invocation interceptor at the start of the POLICY phase + // of the service chain... + for (InvocationChain chain : ep.getInvocationChains()) { + chain.addHeadInterceptor( Phase.SERVICE_POLICY, new LocalSCABindingInvocationInterceptor() ); + } // end for + + } // end method optimiseBinding + + public RuntimeEndpoint getDelegateEndpoint(){ + return ((DelegatingSCAServiceBindingProvider)delegatingBindingProvider).getDelegateEndpoint(); + } + +} // end class RuntimeSCAServiceBinding -- cgit v1.2.3