/*
* 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 General Public License, v. 2.0.
* 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 General Public License for more details.
* You should have received a copy of the GNU General Public License,
* v. 2.0 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) 2002,
*
* Arjuna Technologies Limited,
* Newcastle upon Tyne,
* Tyne and Wear,
* UK.
*
* $Id: HLSManager.java,v 1.5 2005/05/19 12:13:18 nmcl Exp $
*/
package com.arjuna.mwlabs.wsas.activity;
import com.arjuna.mw.wsas.logging.wsasLogger;
import com.arjuna.mw.wsas.activity.HLS;
import com.arjuna.mw.wsas.activity.OutcomeManager;
import com.arjuna.mwlabs.wsas.util.HLSWrapper;
import com.arjuna.mw.wsas.exceptions.SystemException;
import com.arjuna.mw.wsas.exceptions.InvalidHLSException;
import com.arjuna.ats.internal.arjuna.template.OrderedList;
import com.arjuna.ats.internal.arjuna.template.OrderedListElement;
import com.arjuna.ats.internal.arjuna.template.OrderedListIterator;
/**
* The HLS manager is the way in which an HLS can register
* itself with the activity service. This allows it to be informed
* of the lifecycle of activities and to augment that lifecyle and
* associated context.
*
* An HLS can be associated with all threads (globally) or with only
* a specific thread (locally).
*
* @author Mark Little (mark.little@arjuna.com)
* @version $Id: HLSManager.java,v 1.5 2005/05/19 12:13:18 nmcl Exp $
* @since 1.0.
*/
public class HLSManager
{
public static final void addHLS (HLS service) throws InvalidHLSException, SystemException
{
if (service == null)
throw new InvalidHLSException();
else
_hls.insert(new HLSWrapper(service));
}
/**
* @message com.arjuna.mwlabs.wsas.activity.HLSManager_1 [com.arjuna.mwlabs.wsas.activity.HLSManager_1] - HLS not found!
*/
public static final void removeHLS (HLS service) throws InvalidHLSException, SystemException
{
if (service == null)
throw new InvalidHLSException();
else
{
synchronized (_hls)
{
OrderedListIterator iter = new OrderedListIterator(_hls);
OrderedListElement elem = iter.iterate();
while ((elem != null) && (((HLSWrapper) elem).hls() != service))
{
elem = iter.iterate();
}
if (elem == null)
throw new InvalidHLSException(wsasLogger.log_mesg.getString("com.arjuna.mwlabs.wsas.activity.HLSManager_1"));
else
_hls.remove(elem);
}
}
}
public static final HLS[] allHighLevelServices () throws SystemException
{
synchronized (_hls)
{
HLS[] toReturn = new HLS[(int) _hls.size()];
OrderedListIterator iter = new OrderedListIterator(_hls);
OrderedListElement elem = iter.iterate();
int i = 0;
while (elem != null)
{
toReturn[i] = ((HLSWrapper) elem).hls();
i++;
elem = iter.iterate();
}
return toReturn;
}
}
public static final void setOutcomeManager (OutcomeManager om) throws SystemException
{
synchronized (_outcomeManager)
{
if (om == null)
om = new OutcomeManagerImple();
_outcomeManager = om;
}
}
public static final OutcomeManager getOutcomeManager () throws SystemException
{
synchronized (_outcomeManager)
{
return _outcomeManager;
}
}
static final OrderedList HLServices ()
{
return _hls;
}
private static OrderedList _hls = new OrderedList(false); // order decreasing as higher is first
private static OutcomeManager _outcomeManager = new OutcomeManagerImple();
}