/*
* JBoss, Home of Professional Open Source
* Copyright 2007, 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, 2001, 2002, 2003
//
// Arjuna Technologies Ltd.,
// Newcastle upon Tyne,
// Tyne and Wear,
// UK.
//
// $Id: ResourceImpl02.java,v 1.2 2003/06/26 11:43:24 rbegg Exp $
//
package org.jboss.jbossts.qa.CrashRecovery02Impls;
/*
* Copyright (C) 1999-2001 by HP Bluestone Software, Inc. All rights Reserved.
*
* HP Arjuna Labs,
* Newcastle upon Tyne,
* Tyne and Wear,
* UK.
*
* $Id: ResourceImpl02.java,v 1.2 2003/06/26 11:43:24 rbegg Exp $
*/
/*
* Try to get around the differences between Ansi CPP and
* K&R cpp with concatenation.
*/
/*
* Copyright (C) 1999-2001 by HP Bluestone Software, Inc. All rights Reserved.
*
* HP Arjuna Labs,
* Newcastle upon Tyne,
* Tyne and Wear,
* UK.
*
* $Id: ResourceImpl02.java,v 1.2 2003/06/26 11:43:24 rbegg Exp $
*/
import org.jboss.jbossts.qa.CrashRecovery02.*;
import org.omg.CosTransactions.*;
public class ResourceImpl02 implements ResourceOperations
{
public ResourceImpl02(int objectNumber, int resourceNumber)
{
_objectNumber = objectNumber;
_resourceNumber = resourceNumber;
_status = Status.StatusNoTransaction;
}
public Vote prepare()
throws HeuristicMixed, HeuristicHazard
{
System.err.print("ResourceImpl02.prepare [O" + _objectNumber + ".R" + _resourceNumber + "]: ");
if (_resourceTrace == ResourceTrace.ResourceTraceNone)
{
_resourceTrace = ResourceTrace.ResourceTracePrepare;
}
else
{
_resourceTrace = ResourceTrace.ResourceTraceUnknown;
}
_status = Status.StatusPrepared;
System.err.println("ReturnVoteCommit");
return Vote.VoteCommit;
}
public void rollback()
throws HeuristicCommit, HeuristicMixed, HeuristicHazard
{
System.err.print("ResourceImpl02.rollback [O" + _objectNumber + ".R" + _resourceNumber + "]: ");
if (isComplete())
return;
if (_resourceTrace == ResourceTrace.ResourceTraceNone)
{
_resourceTrace = ResourceTrace.ResourceTraceRollback;
}
else if (_resourceTrace == ResourceTrace.ResourceTracePrepare)
{
_resourceTrace = ResourceTrace.ResourceTracePrepareRollback;
}
else
{
_resourceTrace = ResourceTrace.ResourceTraceUnknown;
}
_status = Status.StatusRolledBack;
System.err.println("Return");
}
public void commit()
throws NotPrepared, HeuristicRollback, HeuristicMixed, HeuristicHazard
{
System.err.print("ResourceImpl02.commit [O" + _objectNumber + ".R" + _resourceNumber + "]: ");
if (isComplete())
return;
if (_resourceTrace == ResourceTrace.ResourceTraceNone)
{
_resourceTrace = ResourceTrace.ResourceTraceCommit;
}
else if (_resourceTrace == ResourceTrace.ResourceTracePrepare)
{
_resourceTrace = ResourceTrace.ResourceTracePrepareCommit;
}
else
{
_resourceTrace = ResourceTrace.ResourceTraceUnknown;
}
_status = Status.StatusCommitted;
System.err.println("Return");
}
public void commit_one_phase()
throws HeuristicHazard
{
System.err.print("ResourceImpl02.commit_one_phase [O" + _objectNumber + ".R" + _resourceNumber + "]: ");
if (isComplete())
return;
if (_resourceTrace == ResourceTrace.ResourceTraceNone)
{
_resourceTrace = ResourceTrace.ResourceTraceCommitOnePhase;
}
else
{
_resourceTrace = ResourceTrace.ResourceTraceUnknown;
}
_status = Status.StatusCommitted;
System.err.println("Return");
}
public void forget()
{
System.err.print("ResourceImpl02.forget [O" + _objectNumber + ".R" + _resourceNumber + "]: ");
if (_resourceTrace == ResourceTrace.ResourceTracePrepare)
{
_resourceTrace = ResourceTrace.ResourceTracePrepareForget;
}
else if (_resourceTrace == ResourceTrace.ResourceTracePrepareRollback)
{
_resourceTrace = ResourceTrace.ResourceTracePrepareRollbackForget;
}
else if (_resourceTrace == ResourceTrace.ResourceTracePrepareCommit)
{
_resourceTrace = ResourceTrace.ResourceTracePrepareCommitForget;
}
else if (_resourceTrace == ResourceTrace.ResourceTraceCommitOnePhase)
{
_resourceTrace = ResourceTrace.ResourceTraceCommitOnePhaseForget;
}
else
{
// _resourceTrace = ResourceTrace.ResourceTraceUnknown;
}
System.err.println("Return");
}
public boolean isCorrect()
{
return true;
}
public ResourceTrace getTrace()
{
return _resourceTrace;
}
public boolean isComplete() {
return _status == Status.StatusCommitted || _status == Status.StatusRolledBack;
}
public Status getStatus() {
return _status;
}
public Status updateStatus(Status hint) {
Status prev = _status;
System.err.printf("ResourceImpl01.updateStatus [O%d.R%d]: status=%d -> %d%n",
_objectNumber, _resourceNumber, _status.value(), hint.value());
if (_status == Status.StatusUnknown || _status == Status.StatusNoTransaction) {
try {
if (hint == Status.StatusCommitted) {
System.err.printf("ResourceImpl01.updateStatus call commit()%n");
commit();
} else if (hint == Status.StatusRolledBack) {
System.err.printf("ResourceImpl01.updateStatus call rollback()%n");
rollback();
} else {
_status = hint;
}
} catch (Exception e) {
_status = hint;
}
}
return prev;
}
private Status _status;
private int _objectNumber;
private int _resourceNumber;
private ResourceBehavior _resourceBehavior;
private ResourceTrace _resourceTrace = ResourceTrace.ResourceTraceNone;
}