diff options
Diffstat (limited to 'sca-java-1.x/tags/1.6/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingReferenceBindingProvider.java')
-rw-r--r-- | sca-java-1.x/tags/1.6/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingReferenceBindingProvider.java | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingReferenceBindingProvider.java b/sca-java-1.x/tags/1.6/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingReferenceBindingProvider.java new file mode 100644 index 0000000000..0e44b84ea0 --- /dev/null +++ b/sca-java-1.x/tags/1.6/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingReferenceBindingProvider.java @@ -0,0 +1,170 @@ +/* + * 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.jms.provider; + +import java.util.ArrayList; +import java.util.List; + +import javax.jms.JMSException; + +import org.apache.tuscany.sca.binding.jms.headers.HeaderReferenceInterceptor; +import org.apache.tuscany.sca.binding.jms.impl.JMSBinding; +import org.apache.tuscany.sca.binding.jms.impl.JMSBindingConstants; +import org.apache.tuscany.sca.binding.jms.impl.JMSBindingException; +import org.apache.tuscany.sca.binding.jms.transport.TransportReferenceInterceptor; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +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.Phase; +import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; +import org.apache.tuscany.sca.provider.ReferenceBindingProviderRRB; +import org.apache.tuscany.sca.provider.WireFormatProvider; +import org.apache.tuscany.sca.provider.WireFormatProviderFactory; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; +import org.apache.tuscany.sca.runtime.RuntimeWire; + +/** + * Implementation of the JMS reference binding provider. + * + * @version $Rev$ $Date$ + */ +public class JMSBindingReferenceBindingProvider implements ReferenceBindingProviderRRB { + + private RuntimeComponentReference reference; + private JMSBinding jmsBinding; + private JMSResourceFactory jmsResourceFactory; + private RuntimeComponent component; + private InterfaceContract interfaceContract; + private ExtensionPointRegistry extensions; + + private ProviderFactoryExtensionPoint providerFactories; + + private WireFormatProviderFactory requestWireFormatProviderFactory; + private WireFormatProvider requestWireFormatProvider; + + private WireFormatProviderFactory responseWireFormatProviderFactory; + private WireFormatProvider responseWireFormatProvider; + + public JMSBindingReferenceBindingProvider(RuntimeComponent component, RuntimeComponentReference reference, JMSBinding binding, ExtensionPointRegistry extensions, JMSResourceFactory jmsResourceFactory) { + this.reference = reference; + this.jmsBinding = binding; + this.extensions = extensions; + this.component = component; + this.jmsResourceFactory = jmsResourceFactory; + + // Get the factories/providers for operation selection + this.providerFactories = extensions.getExtensionPoint(ProviderFactoryExtensionPoint.class); + + // Get the factories/providers for wire format + this.requestWireFormatProviderFactory = + (WireFormatProviderFactory)providerFactories.getProviderFactory(jmsBinding.getRequestWireFormat().getClass()); + if (this.requestWireFormatProviderFactory != null){ + this.requestWireFormatProvider = requestWireFormatProviderFactory.createReferenceWireFormatProvider(component, reference, jmsBinding); + } + + this.responseWireFormatProviderFactory = + (WireFormatProviderFactory)providerFactories.getProviderFactory(jmsBinding.getResponseWireFormat().getClass()); + if (this.responseWireFormatProviderFactory != null){ + this.responseWireFormatProvider = responseWireFormatProviderFactory.createReferenceWireFormatProvider(component, reference, jmsBinding); + } + + // create an interface contract that reflects both request and response + // wire formats + try { + interfaceContract = (InterfaceContract)reference.getInterfaceContract().clone(); + + requestWireFormatProvider.configureWireFormatInterfaceContract(interfaceContract); + responseWireFormatProvider.configureWireFormatInterfaceContract(interfaceContract); + } catch (CloneNotSupportedException ex){ + interfaceContract = reference.getInterfaceContract(); + } + } + + public Invoker createInvoker(Operation operation) { + + if (jmsBinding.getDestinationName() == null) { + if (!reference.isCallback()) { + throw new JMSBindingException("No destination specified for reference " + reference.getName()); + } + } + + Invoker invoker = null; + invoker = new RRBJMSBindingInvoker(jmsBinding, operation, jmsResourceFactory, reference); + + return invoker; + } + + public boolean supportsOneWayInvocation() { + return true; + } + + public InterfaceContract getBindingInterfaceContract() { + return interfaceContract; + } + + public void start() { + + } + + public void stop() { + try { + jmsResourceFactory.closeConnection(); + jmsResourceFactory.closeResponseConnection(); + } catch (JMSException e) { + throw new JMSBindingException(e); + } + } + + /* + * set up the reference binding wire with the right set of jms reference + * interceptors + */ + public void configureBindingChain(RuntimeWire runtimeWire) { + + InvocationChain bindingChain = runtimeWire.getBindingInvocationChain(); + + // add transport interceptor + bindingChain.addInterceptor(Phase.REFERENCE_BINDING_TRANSPORT, + new TransportReferenceInterceptor(jmsBinding, + jmsResourceFactory, + runtimeWire) ); + + // add request wire format + bindingChain.addInterceptor(requestWireFormatProvider.getPhase(), + requestWireFormatProvider.createInterceptor()); + + // add response wire format, but only add it if it's different from the request + if (!jmsBinding.getRequestWireFormat().equals(jmsBinding.getResponseWireFormat())){ + bindingChain.addInterceptor(responseWireFormatProvider.getPhase(), + responseWireFormatProvider.createInterceptor()); + } + + // add the header processor that comes after the wire formatter but before the + // policy interceptors + bindingChain.addInterceptor(Phase.REFERENCE_BINDING_WIREFORMAT, + new HeaderReferenceInterceptor(jmsBinding, + jmsResourceFactory, + runtimeWire) ); + } + +} |