[jboss-user] [jBPM] - Jbpm 5 listing processes

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roxy1987

2013-01-02 15:17:00 UTC

roxy1987 [https://community.jboss.org/people/roxy1987] created the discussion

"Jbpm 5 listing processes"

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Hi,

I am working on a web application and ve been able to achieve task related stuff, thanks to the community. I am looking for some process related APIs. to list processes and stuff.
I use a TaskClient to connect and a BlockingTaskOperationResponseHandler to get the response. Is there a similar client for processes?
Any help would be highly appreciated. Thanks.

Regards.
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Maciej Swiderski

2013-01-03 10:26:19 UTC

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Maciej Swiderski [https://community.jboss.org/people/swiderski.maciej] created the discussion

"Re: Jbpm 5 listing processes"

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Take a look at http://docs.jboss.org/jbpm/v5.4/javadocs/ api docs and most important for you will be StatefulKnowledgeSession.getKnowledgeBase().getProcesses()

HTH
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roxy1987

2013-01-03 15:10:59 UTC

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roxy1987 [https://community.jboss.org/people/roxy1987] created the discussion

"Re: Jbpm 5 listing processes"

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Thanks for a quick reply Maciej.
I have tried using StatefulKnowledgeSession.

StatefulKnowledgeSession ksession = +createKnowledgeSession+(kBase);
ksession.getProcessInstances();

But it returns me an empty string always. May be I am not creating the session well?
What I am doing is the following.

StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
HornetQHTWorkItemHandler humanTaskHandler =
**new** HornetQHTWorkItemHandler(ksession);humanTaskHandler.setIpAddress(
"127.0.0.1");humanTaskHandler.setPort(5153);
ksession.getWorkItemManager().registerWorkItemHandler(
"Human Task", humanTaskHandler);
**return** ksession;
I am guessing that the workItemHandler might be a problem. This version is just a lot different from jbpm 4 so most of my RND includes hit and trial.

Thanks.

ï»¿
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Maciej Swiderski

2013-01-03 15:54:47 UTC

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Maciej Swiderski [https://community.jboss.org/people/swiderski.maciej] created the discussion

"Re: Jbpm 5 listing processes"

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so you want to list processes or process instances?

for processes use kBase.getProcesses()

for process instances you should enable history log and then use query methods to get active process instances from log entries as (you already noticed) runtime will load process instance only when it's needed - while it being executed.

HTH
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roxy1987

2013-01-03 16:23:58 UTC

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Maciej Swiderski

2013-01-03 16:55:35 UTC

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Maciej Swiderski [https://community.jboss.org/people/swiderski.maciej] created the discussion

"Re: Jbpm 5 listing processes"

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http://docs.jboss.org/jbpm/v5.4/userguide/ch.core-persistence.html#d0e3856 Here you can find details on how to configure it and then you can useÂ org.jbpm.process.audit.JPAProcessInstanceDbLog to query for stored information.

HTH
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roxy1987

2013-01-03 17:35:11 UTC

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Maciej Swiderski

2013-01-03 17:50:51 UTC

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