/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.test.ws.jaxws.samples.advanced.retail.handler;
import java.util.Stack;
/**
* @author Heiko Braun <heiko.braun@jboss.com>
* @since Nov 9, 2006
*/
public class Timer
{
private Stack<Long> timings = new Stack<Long>();
private static Timer ourInstance = new Timer();
public static Timer getInstance()
{
return ourInstance;
}
private Timer() {}
public synchronized void push(long t)
{
timings.push(Long.valueOf(t));
}
public synchronized long pop()
{
if(timings.isEmpty())
return 0;
Long aLong = timings.pop();
return System.currentTimeMillis() - aLong.longValue();
}
}