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/*
*
* 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.qpid.ra;
import javax.jms.JMSException;
import javax.resource.ResourceException;
import javax.resource.spi.LocalTransaction;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* JMS Local transaction
*
*/
public class QpidRALocalTransaction implements LocalTransaction
{
/** The logger */
private static final Logger _log = LoggerFactory.getLogger(QpidRALocalTransaction.class);
/** The managed connection */
private final QpidRAManagedConnection _mc;
/**
* Constructor
* @param mc The managed connection
*/
public QpidRALocalTransaction(final QpidRAManagedConnection mc)
{
if (_log.isTraceEnabled())
{
_log.trace("constructor(" + mc + ")");
}
this._mc = mc;
}
/**
* Begin
* @exception ResourceException Thrown if the operation fails
*/
public void begin() throws ResourceException
{
if (_log.isTraceEnabled())
{
_log.trace("begin()");
}
}
/**
* Commit
* @exception ResourceException Thrown if the operation fails
*/
public void commit() throws ResourceException
{
if (_log.isTraceEnabled())
{
_log.trace("commit()");
}
_mc.lock();
try
{
if (_mc.getSession() == null)
{
throw new ResourceException("Could not commit LocalTransaction: null Session.");
}
_mc.getSession().commit();
}
catch (JMSException e)
{
throw new ResourceException("Could not commit LocalTransaction", e);
}
finally
{
_mc.unlock();
}
}
/**
* Rollback
* @exception ResourceException Thrown if the operation fails
*/
public void rollback() throws ResourceException
{
if (_log.isTraceEnabled())
{
_log.trace("rollback()");
}
_mc.lock();
try
{
if (_mc.getSession() != null && _mc.getSession().getTransacted())
{
_mc.getSession().rollback();
}
}
catch (JMSException ex)
{
throw new ResourceException("Could not rollback LocalTransaction", ex);
}
finally
{
_mc.unlock();
}
}
}
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