SynchronizationRecord.java

/*
 * 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: SynchronizationRecord.java,v 1.5 2005/05/19 12:13:38 nmcl Exp $
 */

package com.arjuna.mwlabs.wscf.model.sagas.arjunacore;

import com.arjuna.mw.wscf.logging.wscfLogger;

import com.arjuna.ats.arjuna.coordinator.*;
import com.arjuna.ats.arjuna.common.*;

import com.arjuna.mw.wscf.model.sagas.common.*;
import com.arjuna.mw.wscf.model.sagas.participants.Synchronization;
import com.arjuna.mwlabs.wscf.model.sagas.arjunacore.*;
import com.arjuna.mwlabs.wscf.model.sagas.arjunacore.CoordinatorIdImple;

/**
 * An implementation of the ArjunaCore synchronization interface for the sagas model.
 * Synchronizations take part in the pre- and post- two-phase protocol and
 * are not persistent.
 *
 * @author Mark Little (mark.little@arjuna.com)
 * @version $Id: SynchronizationRecord.java,v 1.5 2005/05/19 12:13:38 nmcl Exp $
 */

public class SynchronizationRecord implements com.arjuna.ats.arjuna.coordinator.SynchronizationRecord
{

    /**
     * Constructor.
     *
     * @param theResource is the proxy that allows us to call out to the
     * object.
     *
     */

    public SynchronizationRecord(Synchronization theResource, Uid id)
    {
	_resourceHandle = theResource;
	_id = new CoordinatorIdImple(id);

        if (_resourceHandle == null)
            wscfLogger.i18NLogger.warn_model_sagas_arjunacore_SynchronizationRecord_1(_id.toString());
    }

    public boolean beforeCompletion ()
    {
        // Business Activity only supports afterCompletion synchronization
        
        return true;
    }

    public boolean afterCompletion (int status)
    {
	if (_resourceHandle != null)
	{
	    try
	    {
		_resourceHandle.afterCompletion(convertStatus(status));
	    }
	    catch (Exception ex)
	    {
	    }

	    return true;
        }

        return false;
    }

    @Override
    public boolean isInterposed() {
        return false;
    }

    public Uid get_uid ()
    {
	return _id;
    }

    public int compareTo(Object o) {
        SynchronizationRecord sr = (SynchronizationRecord)o;
        if(_id.equals(sr.get_uid())) {
            return 0;
        } else {
            return _id.lessThan(sr.get_uid()) ? -1 : 1;
        }
    }

    private final int convertStatus (int result)
    {
	switch (result)
	{
	case ActionStatus.COMMITTED:
	case ActionStatus.COMMITTING:
	    return CoordinationResult.CONFIRMED;
	case ActionStatus.ABORTED:
	case ActionStatus.ABORTING:
	default:
	    return CoordinationResult.CANCELLED;
	}
    }

    private Synchronization    _resourceHandle;
    private CoordinatorIdImple _id;

}