com.atomikos.icatch.imp.RollbackMessage Maven / Gradle / Ivy
/**
* Copyright (C) 2000-2019 Atomikos
*
* LICENSE CONDITIONS
*
* See http://www.atomikos.com/Main/WhichLicenseApplies for details.
*/
package com.atomikos.icatch.imp;
import com.atomikos.icatch.HeurCommitException;
import com.atomikos.icatch.HeurHazardException;
import com.atomikos.icatch.HeurMixedException;
import com.atomikos.icatch.Participant;
/**
* A rollback message implementation.
*/
class RollbackMessage extends PropagationMessage
{
private boolean indoubt_ = false;
// true if participant can be indoubt.
public RollbackMessage ( Participant participant , Result result ,
boolean indoubt )
{
super ( participant , result );
indoubt_ = indoubt;
}
/**
* A rollback message.
*
* @return Boolean null
* @exception PropagationException
* If problems. If heuristics, this will be a fatal
* exception; otherwise, rollback has to be retried since
* participant can be indoubt. In that case, the error is
* transient in nature.
*/
protected Boolean send () throws PropagationException
{
Participant part = getParticipant ();
try {
part.rollback ();
} catch ( HeurCommitException heurc ) {
throw new PropagationException ( heurc, false );
} catch ( HeurMixedException heurm ) {
throw new PropagationException ( heurm, false );
}
catch ( Exception e ) {
// only retry if might be indoubt. Otherwise ignore.
if ( indoubt_ ) {
// here, participant might be indoubt!
// fill in exact heuristic msgs by using buffered effect of proxies
HeurHazardException heurh = new HeurHazardException();
throw new PropagationException ( heurh, true );
}
}
return null;
}
public String toString ()
{
return ("RollbackMessage to " + getParticipant ());
}
}