/*
* Copyright 2000-2008, Atomikos (http://www.atomikos.com)
*
* This code ("Atomikos TransactionsEssentials"), by itself,
* is being distributed under the
* Apache License, Version 2.0 ("License"), a copy of which may be found at
* http://www.atomikos.com/licenses/apache-license-2.0.txt .
* You may not use this file except in compliance with the License.
*
* While the License grants certain patent license rights,
* those patent license rights only extend to the use of
* Atomikos TransactionsEssentials by itself.
*
* This code (Atomikos TransactionsEssentials) contains certain interfaces
* in package (namespace) com.atomikos.icatch
* (including com.atomikos.icatch.Participant) which, if implemented, may
* infringe one or more patents held by Atomikos.
* It should be appreciated that you may NOT implement such interfaces;
* licensing to implement these interfaces must be obtained separately from Atomikos.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
package com.atomikos.icatch.imp;
import com.atomikos.icatch.CompositeTransaction;
import com.atomikos.icatch.CompositeTransactionManager;
import com.atomikos.icatch.SubTxAwareParticipant;
import com.atomikos.icatch.system.Configuration;
/**
*
*
*
* A subtx aware participant that resumes a previous
* transaction upon termination of the (sub)transaction
* it is registered with.
*
*/
public class ResumePreviousTransactionSubTxAwareParticipant implements
SubTxAwareParticipant
{
private CompositeTransaction previous;
public ResumePreviousTransactionSubTxAwareParticipant (
CompositeTransaction previous )
{
if ( previous == null )
throw new IllegalArgumentException ( "Previous transaction is null?" );
this.previous = previous;
}
private void resume()
{
CompositeTransactionManager ctm =
Configuration.getCompositeTransactionManager();
if ( ctm == null ) {
Configuration.logWarning ( "ResumePreviousTransactionSubTxAwareParticipant: no transaction manager found?" );
}
else {
try {
ctm.resume ( previous );
}
catch ( Exception error ) {
Configuration.logWarning ( "ResumePreviousTransactionSubTxAwareParticipant: could not resume previous transaction" , error );
}
}
}
public void committed ( CompositeTransaction tx )
{
resume();
}
public void rolledback ( CompositeTransaction tx )
{
resume();
}
}