/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, 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;
/** An extension of the BeanLock interface that adds support for non-blocking
* acquisition of a lock.
*
* @author Scott.Stark@jboss.org
* @version $Revision: 81030 $
*/
public interface BeanLockExt extends BeanLock
{
/**
* A non-blocking method that checks if the calling thread will be able
* to acquire the sync lock based on the calling thread.
*
* @return true if the calling thread can obtain the sync lock in which
* case it will, false if another thread already has the lock.
*/
public boolean attemptSync();
}