/*
* Created on 18-Sep-2004
* Created by Paul Gardner
* Copyright (C) 2004, 2005, 2006 Aelitis, All Rights Reserved.
*
* 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.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* AELITIS, SAS au capital de 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
package org.gudy.azureus2.core3.util;
/**
* @author parg
*
*/
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.ReentrantLock;
public class
AEMonitor2
{
ReentrantLock lock = new ReentrantLock();
public
AEMonitor2(
String _name )
{
}
public void
enter()
{
lock.lock();
}
/*
* Try and obtain it
* @return true if got monitor, false otherwise
*/
public boolean
enter(
int max_millis )
{
try{
if ( lock.tryLock( max_millis, TimeUnit.MILLISECONDS )){
return( true );
}else{
return( false );
}
}catch( Throwable e ){
// Debug.out( e );
return( false );
}
}
public void
exit()
{
try{
lock.unlock();
}finally{
}
}
public boolean
isHeld()
{
return( lock.isHeldByCurrentThread());
}
public boolean
hasWaiters()
{
return( lock.getQueueLength() > 0 );
}
}