/**
*
* Copyright 2005 LogicBlaze, Inc. http://www.logicblaze.com
*
* Licensed 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.jencks;
import java.lang.reflect.Method;
import javax.jms.MessageListener;
import javax.resource.spi.LocalTransaction;
import javax.resource.spi.UnavailableException;
import javax.resource.spi.endpoint.MessageEndpoint;
import javax.resource.spi.endpoint.MessageEndpointFactory;
import javax.transaction.TransactionManager;
import javax.transaction.xa.XAResource;
import org.apache.geronimo.transaction.manager.NamedXAResource;
import org.apache.geronimo.transaction.manager.WrapperNamedXAResource;
/**
* @version $Revision: 1.5 $
*/
public abstract class EndpointFactorySupport implements MessageEndpointFactory {
protected TransactionManager transactionManager;
private String name;
public MessageEndpoint createEndpoint(XAResource xaResource) throws UnavailableException {
MessageListener messageListener = createMessageListener();
xaResource = wrapXAResource(xaResource);
if (transactionManager != null) {
return new XAEndpoint(messageListener, xaResource, transactionManager);
}
else if (xaResource instanceof LocalTransaction) {
return new LocalTransactionEndpoint(messageListener, (LocalTransaction) xaResource);
}
return new AcknowledgeEndpoint(messageListener);
}
public String toString() {
return super.toString() + "[transactionManager=" + transactionManager + "]";
}
// Properties
//-------------------------------------------------------------------------
public boolean isDeliveryTransacted(Method method) throws NoSuchMethodException {
return transactionManager != null;
}
public TransactionManager getTransactionManager() {
return transactionManager;
}
public void setTransactionManager(TransactionManager transactionManager) {
this.transactionManager = transactionManager;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
// Implementation methods
//-------------------------------------------------------------------------
protected abstract MessageListener createMessageListener() throws UnavailableException;
/**
* {@link XAResource} instances must be named to support recovery, so either pass
* {@link NamedXAResource} instances through or wrap with the Spring name.
*
* @param xaResource
* @return the wrapped XAResource instance
*/
protected XAResource wrapXAResource(XAResource xaResource) {
String name = getName();
if (xaResource instanceof NamedXAResource || name == null) {
return xaResource;
}
return new WrapperNamedXAResource(xaResource, name);
}
}