/* Copyright (c) 2002-2011 by XMLVM.org * * Project Info: http://www.xmlvm.org * * This program 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 library 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 library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, * USA. */ package org.xmlvm.util; /** * A simple timer that can be used e.g. for debugging. */ public class Timer { private final String name; private long start; private long end; /** * Initializes the timer with the given name. * * @param name * the name of the timer */ public Timer(String name) { this.name= name; } /** * Starts the timer. */ public void start() { start= System.currentTimeMillis(); } /** * Stops the timer. * * @return Returns itself. */ public Timer stop() { end= System.currentTimeMillis(); return this; } /** * Returns a string with the name of the timer and the milliseconds between * {@link #start()} and {@link #stop()}. */ public String toString() { return name + ":" + (end - start) + " ms."; } }