Package org.mule.test.integration.transaction

Source Code of org.mule.test.integration.transaction.XABridgeComponent

/*
* $Id: XABridgeComponent.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.test.integration.transaction;

import org.mule.api.transaction.Transaction;
import org.mule.transaction.TransactionCoordination;

import java.util.Map;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
* Simple service that receives messages from jdbc or jms and just forward the
* interesting part.
*/
public class XABridgeComponent
{
    private static Log log = LogFactory.getLog(XABridgeComponent.class);

    public static boolean mayRollback = false;

    /**
     * If <code>mayRollback</code> has been set to true, the service will mark
     * the current transaction as rollback only on a 30 percent basis.
     *
     * @throws Exception
     */
    protected void mayRollback() throws Exception
    {
        if (mayRollback)
        {
            Transaction tx = TransactionCoordination.getInstance().getTransaction();
            if (tx != null)
            {
                if (Math.random() < 0.3)
                {
                    log.info("Marking transaction for rollback");
                    tx.setRollbackOnly();
                }
            }
        }
    }

    /**
     * Receive the jdbc message and forward the <code>data</code> part. May mark
     * the current transaction as rollback only.
     *
     * @param msg
     * @throws Exception
     */
    public Object onJdbcMessage(Map msg) throws Exception
    {
        mayRollback();
        return msg.get("data").toString();
    }

    /**
     * Receive the content of the jms message and forward it. May mark the current
     * transaction as rollback only.
     *
     * @param msg
     * @throws Exception
     */
    public Object onJmsMessage(String msg) throws Exception
    {
        mayRollback();
        return msg;
    }

}
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