/*
* 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 in the distribution for a
* full listing of individual contributors.
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
* (C) 2005-2006,
* @author JBoss Inc.
*/
/*
* Copyright (C) 1998, 1999, 2000,
*
* Arjuna Solutions Limited,
* Newcastle upon Tyne,
* Tyne and Wear,
* UK.
*
* $Id: LockListIterator.java 2342 2006-03-30 13:06:17Z $
*/
package com.arjuna.ats.internal.txoj;
import com.arjuna.ats.txoj.Lock;
public class LockListIterator
{
public LockListIterator(LockList L)
{
currentList = L;
next = currentList.head;
}
public final synchronized Lock iterate ()
{
Lock current = next;
if (current == null)
{
return null;
}
else
next = LockFriend.getLink(current);
return current;
}
public final synchronized void reset ()
{
next = null;
}
private LockList currentList;
private Lock next;
}