com.atomikos.icatch.imp.PrepareMessage 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.HeurHazardException;
import com.atomikos.icatch.Participant;
import com.atomikos.icatch.RollbackException;
/**
* A prepare message implementation.
*/
class PrepareMessage extends PropagationMessage
{
public PrepareMessage ( Participant participant , Result result )
{
super ( participant , result );
}
/**
* A prepare message.
*
* @return Boolean True if YES vote, False if NO vote, null if
* readonly vote.
*/
protected Boolean send () throws PropagationException
{
Participant part = getParticipant ();
int ret = 0;
Boolean result = null;
try {
ret = part.prepare ();
if ( ret == Participant.READ_ONLY )
result = null;
else
result = new Boolean ( true );
} catch ( HeurHazardException heurh ) {
throw new PropagationException ( heurh, false );
} catch ( RollbackException jtr ) {
// NO vote.
result = new Boolean ( false );
} catch ( Exception e ) {
// here, participant might be indoubt!
HeurHazardException heurh = new HeurHazardException ();
throw new PropagationException ( heurh, false );
}
return result;
}
public String toString ()
{
return ("PrepareMessage to " + getParticipant ());
}
}