[rules-users] FAIL - getProcessInstances() from persisted StatefulKnowledgeSession

[Anderson Neves]

Hi Stephan.

Thank you for the replay. Next time I will read the javadoc before asking
here.

Regards,
Anderson

2011/3/30 <Stephan.Koops at we4it.com>
>
> Hi,
>
> see javadoc of
org.drools.runtime.process.ProcessRuntime.getProcessInstances():
>
>      * Returns a collection of currently active process instances.  Note
that only process
>      * instances that are currently loaded and active inside the engine
will be returned.
>      * When using persistence, it is likely not all running process
instances will be loaded
>      * as their state will be stored persistently.  It is recommended not
to use this
>      * method to collect information about the state of your process
instances but to use
>      * a history log for that purpose.
>
> If no instance is loaded yet, that this behaviour is exactly as described.
>
> Mit freundlichen Grüssen/Best regards
>
> i. A.
> Stephan Koops
> Software Engineer
> We4IT GmbH
>
>
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> From: Anderson Neves <anderson.ufal at gmail.com>
> To: Rules Users List <rules-users at lists.jboss.org>
> Date: 30.03.2011 05:34
> Subject: [rules-users] FAIL - getProcessInstances() from persisted
 StatefulKnowledgeSession
> ________________________________
>
>
> Hi everybody.
>
> I configured the session persistence and persisted an instantiated
process. When I get the session from the database and use the method
getProcessInstances(), it returns an empty collection. But, when I call
getProcessInstance(1), and 1 is the InstanceId of the ProcessInstanceInfo
(table that contains the process instance), I get the correct process
instance. Is this a bug? See the code below.
>
> statefulSession =
JPAKnowledgeService.loadStatefulKnowledgeSession(sessionId, knowledgeBase,
null, environment);
>
> Collation<ProcessInstance> processInstances =
statefulSession.getProcessInstances(); // FAIL - return empty collection
>
> ProcessInstance processInstance = statefulSession.getProcessInstance(1);
// OK - return the process instance
>
>
> Regards,
> Anderson_______________________________________________
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