/*
* 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) 2003, Arjuna Technologies Limited.
*
* $Id: BusinessAgreementWithParticipantCompletionStub.java,v 1.1.2.2 2004/06/18 15:06:09 nmcl Exp $
*/
package com.arjuna.wst.stub;
import java.io.StringWriter;
import java.io.StringReader;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.stream.XMLStreamReader;
import com.arjuna.ats.arjuna.state.InputObjectState;
import com.arjuna.ats.arjuna.state.OutputObjectState;
import com.arjuna.webservices.logging.WSTLogger;
import com.arjuna.webservices.soap.SoapUtils;
import com.arjuna.webservices.util.StreamHelper;
import com.arjuna.webservices.wsba.State;
import com.arjuna.webservices.wsba.processors.ParticipantCompletionCoordinatorProcessor;
import com.arjuna.webservices.wsaddr.EndpointReferenceType;
import com.arjuna.wst.*;
import com.arjuna.wst.messaging.engines.ParticipantCompletionCoordinatorEngine;
import com.arjuna.wst.messaging.ParticipantCompletionCoordinatorProcessorImpl;
public class BusinessAgreementWithParticipantCompletionStub implements BusinessAgreementWithParticipantCompletionParticipant, PersistableParticipant
{
private static final QName QNAME_BAPC_PARTICIPANT = new QName("bapcParticipant") ;
private ParticipantCompletionCoordinatorEngine participant ;
public BusinessAgreementWithParticipantCompletionStub (final ParticipantCompletionCoordinatorEngine participant)
throws Exception
{
this.participant = participant ;
}
/**
* default constructor for use during recovery
*/
public BusinessAgreementWithParticipantCompletionStub ()
{
this.participant = null ;
}
public synchronized void close ()
throws WrongStateException, SystemException
{
/*
* Active -> illegal state
* Canceling -> illegal state
* Completed -> illegal state
* Closing -> no response
* Compensating -> illegal state
* Faulting -> illegal state
* Faulting-Active -> illegal state
* Faulting-Compensating -> illegal state
* Exiting -> illegal state
* Ended -> ended
*/
final State state = participant.close() ;
if (state == State.STATE_CLOSING)
{
throw new SystemException() ;
}
else if (state != State.STATE_ENDED)
{
throw new WrongStateException() ;
}
}
public synchronized void cancel ()
throws WrongStateException, SystemException
{
/*
* Active -> illegal state
* Canceling -> no response
* Completed -> illegal state
* Closing -> illegal state
* Compensating -> illegal state
* Faulting -> illegal state
* Faulting-Active -> illegal state
* Faulting-Compensating -> illegal state
* Exiting -> illegal state
* Ended -> ended
*/
final State state = participant.cancel() ;
if (state == State.STATE_CANCELING)
{
throw new SystemException() ;
}
else if (state != State.STATE_ENDED)
{
throw new WrongStateException() ;
}
}
public synchronized void compensate ()
throws FaultedException, WrongStateException, SystemException
{
/*
* Active -> illegal state
* Canceling -> illegal state
* Completed -> illegal state
* Closing -> illegal state
* Compensating -> no answer
* Faulting -> illegal state
* Faulting-Active -> illegal state
* Faulting-Compensating -> fault
* Exiting -> illegal state
* Ended -> ended
*/
final State state = participant.compensate() ;
if (state == State.STATE_COMPENSATING)
{
throw new SystemException() ;
}
else if (state == State.STATE_FAULTING_COMPENSATING)
{
throw new FaultedException() ;
}
else if (state != State.STATE_ENDED)
{
throw new WrongStateException() ;
}
}
public String status ()
throws SystemException
{
final State state = participant.getStatus() ;
return (state == null ? null : state.getValue().getLocalPart()) ;
}
public void unknown ()
throws SystemException
{
error() ;
}
public synchronized void error ()
throws SystemException
{
participant.cancel() ;
}
/**
* @message com.arjuna.wst.stub.BusinessAgreementWithParticipantCompletionStub_2 [com.arjuna.wst.stub.BusinessAgreementWithParticipantCompletionStub_2] - Error persisting participant state
*/
public boolean saveState(final OutputObjectState oos)
{
try
{
oos.packString(participant.getId()) ;
final StringWriter sw = new StringWriter() ;
final XMLStreamWriter writer = SoapUtils.getXMLStreamWriter(sw) ;
StreamHelper.writeStartElement(writer, QNAME_BAPC_PARTICIPANT) ;
participant.getParticipant().writeContent(writer) ;
StreamHelper.writeEndElement(writer, null, null) ;
writer.close() ;
oos.packString(sw.toString()) ;
final State state = participant.getStatus();
final QName stateName = state.getValue();
final String ns = stateName.getNamespaceURI();
final String localPart = stateName.getLocalPart();
final String prefix = stateName.getPrefix();
oos.packString(ns != null ? ns : "");
oos.packString(localPart != null ? localPart : "");
oos.packString(prefix != null ? prefix : "");
return true ;
}
catch (final Throwable th)
{
WSTLogger.arjLoggerI18N.error("com.arjuna.wst.stub.BusinessAgreementWithParticipantCompletionStub_2", th) ;
return false ;
}
}
/**
* @message com.arjuna.wst.stub.BusinessAgreementWithParticipantCompletionStub_3 [com.arjuna.wst.stub.BusinessAgreementWithParticipantCompletionStub_3] - Error restoring participant state
*/
public boolean restoreState(final InputObjectState ios)
{
try
{
final String id = ios.unpackString();
final String eprValue = ios.unpackString();
final XMLStreamReader reader = SoapUtils.getXMLStreamReader(new StringReader(eprValue)) ;
StreamHelper.checkNextStartTag(reader, QNAME_BAPC_PARTICIPANT) ;
final EndpointReferenceType endpointReferenceType = new EndpointReferenceType(reader) ;
String ns = ios.unpackString();
final String localPart = ios.unpackString();
String prefix = ios.unpackString();
if ("".equals(ns)) {
ns = null;
}
if ("".equals(prefix)) {
prefix = null;
}
QName statename = new QName(ns, localPart, prefix);
State state = State.toState(statename);
// if we already have an engine from a previous recovery scan or because
// we had a heuristic outcome then reuse it with luck it will have been committed
// or aborted between the last scan and this one
// note that whatever happens it will not have been removed from the table
// because it is marked as recovered
participant = (ParticipantCompletionCoordinatorEngine) ParticipantCompletionCoordinatorProcessor.getProcessor().getCoordinator(id);
if (participant == null) {
participant = new ParticipantCompletionCoordinatorEngine(id, endpointReferenceType, state, true);
}
return true ;
}
catch (final Throwable th)
{
WSTLogger.arjLoggerI18N.error("com.arjuna.wst.stub.BusinessAgreementWithParticipantCompletionStub_3", th) ;
return false ;
}
}
}