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The source code/* * Sun Public License Notice * * The contents of this file are subject to the Sun Public License * Version 1.0 (the "License"). You may not use this file except in * compliance with the License. A copy of the License is available at * http://www.sun.com/ * * The Original Code is NetBeans. The Initial Developer of the Original * Code is Sun Microsystems, Inc. Portions Copyright 1997-2000 Sun * Microsystems, Inc. All Rights Reserved. */ package org.openide.util; /** Queue of objects. When there is no object in the queue the process * is suspended till some arrives. * * @author Jaroslav Tulach * @version 0.10, Feb 06, 1998 */ public class Queue extends Object { /** Queue enumeration */ private java.util.LinkedList queue = new java.util.LinkedList(); /** Adds new item. * @param o object to add */ public synchronized void put (Object o) { queue.add (o); notify (); } /** Gets an object from the queue. If there is no such object the * thread is suspended until some object arrives * * @return object from the queue */ public synchronized Object get () { for (;;) { if (queue.isEmpty ()) { try { wait (); } catch (InterruptedException ex) { } } else { break; } } return queue.removeFirst (); } } |
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