1 /* 2 * $Id: AbstractMuleEventWork.java 19191 2010-08-25 21:05:23Z tcarlson $ 3 * -------------------------------------------------------------------------------------- 4 * Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com 5 * 6 * The software in this package is published under the terms of the CPAL v1.0 7 * license, a copy of which has been included with this distribution in the 8 * LICENSE.txt file. 9 */ 10 11 package org.mule.work; 12 13 import org.mule.RequestContext; 14 import org.mule.api.MuleEvent; 15 16 import javax.resource.spi.work.Work; 17 18 /** 19 * Abstract implementation of Work to be used whenever Work needs to be scheduled 20 * that operates on a MuleEvent. The abstract implementation ensures that a copy of 21 * MuleEvent is used and that this copy is available in the RequestContext for this 22 * new thread. Implementations of AbstractMuleEventWork should be run/scheduled only 23 * once. NOTE: This approach does not attempt to resolve MULE-4409 so this work may 24 * need to be reverted to correctly fix MULE-4409 in future releases. 25 */ 26 public abstract class AbstractMuleEventWork implements Work 27 { 28 29 protected MuleEvent event; 30 31 public AbstractMuleEventWork(MuleEvent event) 32 { 33 this.event = event; 34 } 35 36 public void run() 37 { 38 // Create a new MuleEvent copy, set it in RequestContext and make it 39 // available via locally too. 40 event = RequestContext.setEvent(event); 41 doRun(); 42 } 43 44 protected abstract void doRun(); 45 46 public void release() 47 { 48 // no-op 49 } 50 51 public MuleEvent getEvent() 52 { 53 return event; 54 } 55 }