/*
* 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) 2001, 2002,
*
* Hewlett-Packard Arjuna Labs,
* Newcastle upon Tyne,
* Tyne and Wear,
* UK.
*
* $Id: TopLevelTransaction.java 2342 2006-03-30 13:06:17Z $
*/
package com.arjuna.ats.jts.extensions;
import org.omg.CORBA.INVALID_TRANSACTION;
import org.omg.CORBA.WrongTransaction;
import org.omg.CORBA.SystemException;
import org.omg.CosTransactions.Control;
import org.omg.CosTransactions.Coordinator;
import org.omg.CosTransactions.HeuristicHazard;
import org.omg.CosTransactions.HeuristicMixed;
import org.omg.CosTransactions.NoTransaction;
import org.omg.CosTransactions.SubtransactionsUnavailable;
import com.arjuna.ats.internal.jts.OTSImpleManager;
import com.arjuna.ats.internal.jts.orbspecific.CurrentImple;
import com.arjuna.ats.jts.logging.jtsLogger;
/**
* Creates a nested top-level transaction.
*
* @author Mark Little (mark_little@hp.com)
* @version $Id: TopLevelTransaction.java 2342 2006-03-30 13:06:17Z $
* @since JTS 1.0.
*/
public class TopLevelTransaction extends AtomicTransaction
{
public TopLevelTransaction ()
{
if (jtsLogger.logger.isTraceEnabled()) {
jtsLogger.logger.trace("TopLevelTransaction::TopLevelTransaction ()");
}
_originalTransaction = null;
}
public void finalize ()
{
if (jtsLogger.logger.isTraceEnabled()) {
jtsLogger.logger.trace("TopLevelTransaction.finalize ()");
}
if (_originalTransaction != null)
{
String name = null;
Coordinator coord = null;
try
{
coord = _originalTransaction.get_coordinator();
if (coord != null)
{
name = coord.get_transaction_name();
}
}
catch (Exception e)
{
}
coord = null;
jtsLogger.i18NLogger.warn_extensions_tltnestedscope(((name != null) ? name : "UNKNOWN"));
name = null;
_originalTransaction = null;
}
super.finalize();
}
/**
* If nested top-level transaction, save current context for resumption
* later.
*/
public synchronized void begin () throws SystemException, SubtransactionsUnavailable
{
if (jtsLogger.logger.isTraceEnabled()) {
jtsLogger.logger.trace("TopLevelTransaction::begin ()");
}
// already begun?
if (_originalTransaction != null)
{
throw new INVALID_TRANSACTION();
}
CurrentImple current = OTSImpleManager.current();
_originalTransaction = current.suspend();
if (jtsLogger.logger.isTraceEnabled()) {
jtsLogger.logger.trace("TopLevelTransaction::begin - suspend transaction " + _originalTransaction);
}
super.begin();
}
public synchronized void commit (boolean report_heuristics) throws SystemException, NoTransaction, HeuristicMixed, HeuristicHazard, WrongTransaction
{
if (jtsLogger.logger.isTraceEnabled()) {
jtsLogger.logger.trace("TopLevelTransaction::commit ( " + report_heuristics + " ) called for " + _originalTransaction);
}
if (validTransaction())
{
try
{
super.commit(report_heuristics);
}
catch (WrongTransaction e1)
{
resumeTransaction();
throw e1;
}
catch (SystemException e2)
{
resumeTransaction();
throw e2;
}
resumeTransaction();
}
else
throw new WrongTransaction();
}
public synchronized void rollback () throws SystemException, NoTransaction, WrongTransaction
{
if (jtsLogger.logger.isTraceEnabled()) {
jtsLogger.logger.trace("TopLevelTransaction::rollback () called for " + _originalTransaction);
}
if (validTransaction())
{
try
{
super.rollback();
}
catch (WrongTransaction e1)
{
resumeTransaction();
throw e1;
}
catch (SystemException e2)
{
resumeTransaction();
throw e2;
}
resumeTransaction();
}
else
throw new WrongTransaction();
}
private final void resumeTransaction ()
{
if (jtsLogger.logger.isTraceEnabled()) {
jtsLogger.logger.trace("TopLevelTransaction::resumeTransaction for " + _originalTransaction);
}
try
{
if (_originalTransaction != null)
{
CurrentImple current = OTSImpleManager.current();
current.resume(_originalTransaction);
_originalTransaction = null;
}
}
catch (Exception e)
{
}
}
private Control _originalTransaction;
}