/*
* 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.ha.framework.interfaces;
/**
* ThreadLocal-based context information about whether the
* current thread is executing a cluster merge.
* <p/>
* This is really a temporary 4.x workaround for JBAS-4229. In
* AS 5 this will likely be replaced by adding a boolean parameter
* to DistributedReplicantManager.ReplicantListener.replicantsChanged().
*
* @author Brian Stansberry
*/
public class ClusterMergeStatus
{
private static final ThreadLocal status = new ThreadLocal();
public static void startMergeProcess()
{
status.set(Boolean.TRUE);
}
public static void endMergeProcess()
{
status.set(null);
}
public static boolean isMergeInProcess()
{
return status.get() != null;
}
}
|