[jboss-jira] [JBoss JIRA] Created: (JBRULES-1583) Heap and scheduled Activations

[s s (JIRA)]

Heap and scheduled Activations
------------------------------

                 Key: JBRULES-1583
                 URL: http://jira.jboss.com/jira/browse/JBRULES-1583
             Project: JBoss Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
    Affects Versions: 4.0.4
         Environment: Windows XP / Eclipse Europa / Java 1.5 / drools 4.0.4
            Reporter: s s
         Assigned To: Mark Proctor


Hi everyone,

I've wrote that rule:

rule "COMPTEUR"
duration 10000
when
	$alarme : Alarm ();
then
	$alarme.increment();
	update($alarme);
end

Using JProfile, I've noticed that PropagationContextImpl was constantly growing
in the heap. Then, I looked the scheduled activations and saw that some
scheduledExecutionTime was expired. So, I wrote this code to purge the expired
activations:

Activation[] activations = session.getAgenda().getScheduledActivations();
long now = (new Date()).getTime();
for(int i=0;i<activations.length;i++){
	if( now >
((org.drools.common.ScheduledAgendaItem)activations[i]).scheduledExecutionTime()){
		activations[i].remove();
	}
}

Now, the heap isn't growing anymore but what are the consequences of doing
something like that? So far, there are no noticeable regression on my
application.

Thanks for your help.

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