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Provides support for JMS-based messaging
/*
* Fabric3
* Copyright (c) 2009-2011 Metaform Systems
*
* Fabric3 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version, with the
* following exception:
*
* Linking this software statically or dynamically with other
* modules is making a combined work based on this software.
* Thus, the terms and conditions of the GNU General Public
* License cover the whole combination.
*
* As a special exception, the copyright holders of this software
* give you permission to link this software with independent
* modules to produce an executable, regardless of the license
* terms of these independent modules, and to copy and distribute
* the resulting executable under terms of your choice, provided
* that you also meet, for each linked independent module, the
* terms and conditions of the license of that module. An
* independent module is a module which is not derived from or
* based on this software. If you modify this software, you may
* extend this exception to your version of the software, but
* you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version.
*
* Fabric3 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the
* GNU General Public License along with Fabric3.
* If not, see {
private AdministeredObjectResolver resolver;
private TransactionManager tm;
private ClassLoaderRegistry classLoaderRegistry;
public JmsTargetWireAttacher(@Reference AdministeredObjectResolver resolver,
@Reference TransactionManager tm,
@Reference ClassLoaderRegistry classLoaderRegistry) {
this.resolver = resolver;
this.tm = tm;
this.classLoaderRegistry = classLoaderRegistry;
}
public void attach(PhysicalSourceDefinition source, JmsTargetDefinition target, Wire wire) throws WiringException {
WireConfiguration wireConfiguration = new WireConfiguration();
ClassLoader targetClassLoader = classLoaderRegistry.getClassLoader(target.getClassLoaderId());
wireConfiguration.setClassloader(targetClassLoader);
wireConfiguration.setTransactionManager(tm);
wireConfiguration.setCorrelationScheme(target.getMetadata().getCorrelationScheme());
wireConfiguration.setResponseTimeout(target.getMetadata().getResponseTimeout());
wireConfiguration.setTransactionType(target.getTransactionType());
JmsBindingMetadata metadata = target.getMetadata();
boolean persistent = DeliveryMode.PERSISTENT == metadata.getHeaders().getDeliveryMode();
wireConfiguration.setPersistent(persistent);
// resolve the connection factories and destinations for the wire
resolveAdministeredObjects(target, wireConfiguration);
List types = target.getPayloadTypes();
for (InvocationChain chain : wire.getInvocationChains()) {
// setup operation-specific configuration and create an interceptor
InterceptorConfiguration configuration = new InterceptorConfiguration(wireConfiguration);
PhysicalOperationDefinition op = chain.getPhysicalOperation();
String operationName = op.getName();
configuration.setOperationName(operationName);
configuration.setOneWay(op.isOneWay());
OperationPayloadTypes payloadTypes = resolveOperation(operationName, types);
configuration.setPayloadType(payloadTypes);
Interceptor interceptor = new JmsInterceptor(configuration);
chain.addInterceptor(interceptor);
}
}
public void detach(PhysicalSourceDefinition source, JmsTargetDefinition target) throws WiringException {
try {
resolver.release(target.getMetadata().getConnectionFactory());
} catch (JmsResolutionException e) {
throw new WiringException(e);
}
}
public ObjectFactory createObjectFactory(JmsTargetDefinition target) throws WiringException {
throw new UnsupportedOperationException();
}
private void resolveAdministeredObjects(JmsTargetDefinition target, WireConfiguration wireConfiguration) throws WiringException {
JmsBindingMetadata metadata = target.getMetadata();
ConnectionFactoryDefinition connectionFactoryDefinition = metadata.getConnectionFactory();
try {
ConnectionFactory requestConnectionFactory = resolver.resolve(connectionFactoryDefinition);
DestinationDefinition destinationDefinition = metadata.getDestination();
Destination requestDestination = resolver.resolve(destinationDefinition, requestConnectionFactory);
wireConfiguration.setRequestConnectionFactory(requestConnectionFactory);
wireConfiguration.setRequestDestination(requestDestination);
if (metadata.isResponse()) {
connectionFactoryDefinition = metadata.getResponseConnectionFactory();
ConnectionFactory responseConnectionFactory = resolver.resolve(connectionFactoryDefinition);
destinationDefinition = metadata.getResponseDestination();
Destination responseDestination = resolver.resolve(destinationDefinition, responseConnectionFactory);
ResponseListener listener = new ResponseListener(responseDestination);
wireConfiguration.setResponseListener(listener);
}
} catch (JmsResolutionException e) {
throw new WiringException(e);
}
}
private OperationPayloadTypes resolveOperation(String operationName, List payloadTypes) {
for (OperationPayloadTypes type : payloadTypes) {
if (type.getName().equals(operationName)) {
return type;
}
}
// programming error
throw new AssertionError("Error resolving operation: " + operationName);
}
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