package ch.cyberduck.core;
/*
* Copyright (c) 2007 David Kocher. All rights reserved.
* http://cyberduck.ch/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Bug fixes, suggestions and comments should be sent to:
* dkocher@cyberduck.ch
*/
/**
* @version $Id: Queue.java 2939 2007-04-20 12:52:33Z dkocher $
*/
public final class Queue {
private static Queue instance;
private static final Object lock = new Object();
public static Queue instance() {
synchronized(lock) {
if(null == instance) {
instance = new Queue();
}
return instance;
}
}
}