/*
* $Id: JmsTransaction.java 20321 2010-11-24 15:21:24Z dfeist $
* --------------------------------------------------------------------------------------
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
*
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.transport.jms;
import org.mule.api.MuleContext;
import org.mule.api.transaction.TransactionException;
import org.mule.config.i18n.CoreMessages;
import org.mule.transaction.AbstractSingleResourceTransaction;
import org.mule.transaction.IllegalTransactionStateException;
import org.mule.transport.jms.i18n.JmsMessages;
import javax.jms.Connection;
import javax.jms.JMSException;
import javax.jms.Session;
/**
* <code>JmsTransaction</code> is a wrapper for a JMS local transaction. This
* object holds the JMS session and controls when the transaction is committed or
* rolled back.
*/
public class JmsTransaction extends AbstractSingleResourceTransaction
{
public JmsTransaction(MuleContext muleContext)
{
super(muleContext);
}
public void bindResource(Object key, Object resource) throws TransactionException
{
if (!(key instanceof Connection) || !(resource instanceof Session))
{
throw new IllegalTransactionStateException(
CoreMessages.transactionCanOnlyBindToResources("javax.jms.Connection/javax.jms.Session"));
}
Session session = (Session)resource;
try
{
if (!session.getTransacted())
{
throw new IllegalTransactionStateException(JmsMessages.sessionShouldBeTransacted());
}
}
catch (JMSException e)
{
throw new IllegalTransactionStateException(CoreMessages.transactionCannotReadState(), e);
}
super.bindResource(key, resource);
}
protected void doBegin() throws TransactionException
{
// do nothing
}
protected void doCommit() throws TransactionException
{
if (resource == null)
{
logger.warn(CoreMessages.commitTxButNoResource(this));
return;
}
try
{
((Session)resource).commit();
}
catch (JMSException e)
{
throw new TransactionException(CoreMessages.transactionCommitFailed(), e);
}
}
protected void doRollback() throws TransactionException
{
if (resource == null)
{
logger.warn(CoreMessages.rollbackTxButNoResource(this));
return;
}
try
{
if (logger.isDebugEnabled())
{
logger.debug("Rolling back transaction: " + getId());
}
((Session)resource).rollback();
}
catch (JMSException e)
{
throw new TransactionException(CoreMessages.transactionRollbackFailed(), e);
}
}
}