/**************************************************************************************
* Copyright (C) 2008 EsperTech, Inc. All rights reserved. *
* http://esper.codehaus.org *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
**************************************************************************************/
package com.espertech.esper.collection;
/**
* Simple queue implementation based on a Linked List per thread.
* Objects can be added to the queue tail or queue head.
*/
public class ThreadWorkQueue
{
private final ThreadLocal<DualWorkQueue> threadQueue = new ThreadLocal<DualWorkQueue>()
{
protected synchronized DualWorkQueue initialValue()
{
return new DualWorkQueue();
}
};
/**
* Adds event to the back queue.
* @param theEvent to add
*/
public void addBack(Object theEvent)
{
DualWorkQueue queue = threadQueue.get();
queue.getBackQueue().addLast(theEvent);
}
/**
* Adds event to the front queue.
* @param theEvent to add
*/
public void addFront(Object theEvent)
{
DualWorkQueue queue = threadQueue.get();
queue.getFrontQueue().addLast(theEvent);
}
public DualWorkQueue getThreadQueue() {
return threadQueue.get();
}
}