Yeah thanks ! I had figured it out, but how do you get your
"transactional context" ?
I ended up doing the following, in case someone else needs to do the same:
within a class...
public void deleteSession(StatefulKnowledgeSession session)
{
initTransactionManager();
this.txm.begin();
registerRollbackSync();
SessionInfo info =
jpm.getApplicationScopedEntityManager().find(org.drools.persistence.session.SessionInfo.class,
new Integer(session.getId()));
System.out.println("This is the sessionInfo: " + info);
jpm.getApplicationScopedEntityManager().remove(info);
jpm.getApplicationScopedEntityManager().flush();
this.txm.commit();
}
private void initTransactionManager() {
Object tm = environment.get(
EnvironmentName.TRANSACTION_MANAGER );
this.txm = new JtaTransactionManager( environment.get(
EnvironmentName.TRANSACTION ),
environment.get(
EnvironmentName.TRANSACTION_SYNCHRONIZATION_REGISTRY ),
tm );
this.jpm = new DefaultJpaManager(this.environment);
}
private static class SynchronizationImpl
implements
TransactionSynchronization {
JPAKnowledgeSessionLookup service = getInstance();
public SynchronizationImpl(JPAKnowledgeSessionLookup service) {
this.service = service;
}
public void afterCompletion(int status) {
if ( status != TransactionManager.STATUS_COMMITTED ) {
this.service.rollback();
}
this.service.jpm.endCommandScopedEntityManager();
}
public void beforeCompletion() {
}
}
Thanks
On Wed, Sep 15, 2010 at 1:33 PM, drooRam <[email protected]> wrote:
>
> I have done something like below to remove the persisted session :
>
> SessionInfo si = em.find(SessionInfo.class, sessionId);
> em.remove(si);
>
> call the above lines in a transactional context. its done.
> --
> View this message in context:
> http://drools-java-rules-engine.46999.n3.nabble.com/How-to-remove-a-persisted-session-from-the-database-tp1473926p1481588.html
> Sent from the Drools - User mailing list archive at Nabble.com.
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