/*
* 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: AsyncCommit.java 2342 2006-03-30 13:06:17Z $
*/
package com.arjuna.ats.arjuna.coordinator;
import com.arjuna.ats.internal.arjuna.thread.ThreadActionData;
import java.util.concurrent.Callable;
/**
* This class is responsible for performing asynchronous termination of
* a transaction. Despite its name, it is also able to perform
* asynchronous rollback as well as commit. The transaction will have
* been prepared by the time an instance of this class is used.
*
* @author Mark Little (mark@arjuna.com)
* @version $Id: AsyncCommit.java 2342 2006-03-30 13:06:17Z $
* @since JTS 1.2.4.
*/
/*
* Default visibility.
*/
class AsyncCommit implements Runnable
{
public void run() {
{
if (_theAction != null)
{
/*
* This is a transient thread so we don't
* want to register it with the action it is
* committing/aborting, only change its notion of the
* current transaction so that any abstract
* records that need that information can still
* have it.
*/
ThreadActionData.pushAction(_theAction, false);
if (_commit)
doPhase2Commit();
else
doPhase2Abort();
ThreadActionData.popAction(false);
}
}
}
/**
* Create a new instance, and give it the transaction to
* control. The commit parameter determines whether the thread
* should commit or rollback the transaction.
*/
AsyncCommit (BasicAction toControl, boolean commit)
{
_theAction = toControl;
_commit = commit;
}
/**
* Perform phase 2 commit on the transaction.
*/
protected synchronized boolean doPhase2Commit ()
{
if (_theAction != null)
{
/*
* Don't want heuristic information, otherwise would
* not be asynchronous.
*/
_theAction.phase2Commit(false);
return true;
}
else
return false;
}
/**
* Do phase 2 abort (rollback) on the transaction.
*/
protected boolean doPhase2Abort ()
{
if (_theAction != null)
{
_theAction.phase2Abort(false);
return true;
}
else
return false;
}
private BasicAction _theAction;
private boolean _commit;
}