/*
* 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.ejb.txtimer;
// $Id: BigIntegerTimerIdGenerator.java 65455 2007-09-18 17:26:49Z dimitris@jboss.org $
import java.math.BigInteger;
/**
* A timerId generator that uses a BigInteger count.
*
* @author Thomas.Diesler@jboss.org
* @author Dimitris.Andreadis@jboss.org
* @version $Revision: 65455 $
* @since 10-Sep-2004
*/
public class BigIntegerTimerIdGenerator implements TimerIdGenerator
{
// The next timer identity
// JBAS-3379, seed using currentTimeMillis to avoid duplicate ids upon restart
private BigInteger nextTimerId = BigInteger.valueOf(System.currentTimeMillis());
/**
* Get the next timer id
*/
public synchronized String nextTimerId()
{
nextTimerId = nextTimerId.add(BigInteger.ONE);
return nextTimerId.toString();
}
}