/*
* 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) 2002,
*
* Arjuna Technologies Limited,
* Newcastle upon Tyne,
* Tyne and Wear,
* UK.
*
* $Id: OutcomeManagerImple.java,v 1.2 2005/05/19 12:13:18 nmcl Exp $
*/
package com.arjuna.mwlabs.wsas.activity;
import com.arjuna.mw.wsas.UserActivityFactory;
import com.arjuna.mw.wsas.activity.Outcome;
import com.arjuna.mw.wsas.activity.OutcomeManager;
import com.arjuna.mw.wsas.exceptions.SystemException;
import com.arjuna.mw.wsas.exceptions.NoActivityException;
/**
* The Outcome represents the final outcome of the activity. Because
* different HLS implementations will have different requirements
* on what they can or cannot return, this interface is deliberately
* generic.
*/
public class OutcomeManagerImple implements OutcomeManager
{
/**
* Even if exceptions occur just remember the equivalent exception
* and keep telling all other HLSes that the activity is completing.
*/
public Outcome processOutcome (Outcome current, Outcome next) throws SystemException
{
if (current == null)
return next;
if (next == null)
return current;
if (current instanceof CompositeOutcomeImple)
{
((CompositeOutcomeImple) current).add(next);
return current;
}
else
{
try
{
CompositeOutcomeImple toReturn = new CompositeOutcomeImple(UserActivityFactory.userActivity().getCompletionStatus());
toReturn.add(current);
toReturn.add(next);
return toReturn;
}
catch (NoActivityException ex)
{
throw new SystemException(ex.toString());
}
}
}
}