Package org.mule.transport.vm

Source Code of org.mule.transport.vm.VMTransaction

/*
* $Id: VMTransaction.java 19191 2010-08-25 21:05:23Z tcarlson $
* --------------------------------------------------------------------------------------
* 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.vm;

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.util.queue.QueueManager;
import org.mule.util.queue.QueueSession;
import org.mule.util.xa.ResourceManagerException;

public class VMTransaction extends AbstractSingleResourceTransaction
{

    public VMTransaction(MuleContext muleContext) throws TransactionException
    {
        super(muleContext);
        QueueManager qm = muleContext.getQueueManager();
        QueueSession qs = qm.getQueueSession();
        bindResource(qm, qs);
    }

    public void bindResource(Object key, Object resource) throws TransactionException
    {
        if (!(key instanceof QueueManager) || !(resource instanceof QueueSession))
        {
            throw new IllegalTransactionStateException(
                CoreMessages.transactionCanOnlyBindToResources("QueueManager/QueueSession"));
        }
        super.bindResource(key, resource);
    }

    protected void doBegin() throws TransactionException
    {
        try
        {
            ((QueueSession)resource).begin();
        }
        catch (ResourceManagerException e)
        {
            throw new TransactionException(CoreMessages.cannotStartTransaction("VMTransaction"), e);
        }
    }

    protected void doCommit() throws TransactionException
    {
        try
        {
            ((QueueSession)resource).commit();
        }
        catch (ResourceManagerException e)
        {
            throw new TransactionException(CoreMessages.transactionCommitFailed(), e);
        }
    }

    protected void doRollback() throws TransactionException
    {
        try
        {
            ((QueueSession)resource).rollback();
        }
        catch (ResourceManagerException e)
        {
            throw new TransactionException(CoreMessages.transactionRollbackFailed(), e);
        }
    }

}
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