[jboss-user] [jBPM Users] - [jBPM4] Problem retrieving activities from history

[freiburger]

Hi there,

I'm stuck with the following scenario using jBPM 4.1:

I have a simple fork/join pattern like


  | [...]
  | <fork name="Fork">
  |   <transition name="1" to="Node1"/>
  |   <transition name="2" to="Node2"/>
  | </fork>
  |   <state name="Node1">
  |     <transition name="3" to="Join" />
  |   </state>
  |   <state name="Node2">
  |     <transition name="4" to="Join" />
  |   </state>
  | <join name="Join">
  | [...]
  | 

Now I'm trying to retrieve _all_ past activities from a running process instance. This is no problem using the history service as long as all child processes are still running by simply recursing into them and doing a query on each executions ID, but as soon as a child process has terminated I do see no way getting the IDs of them for building a history query on them. As far as I see the only place where the IDs are then stored in the DB is in the JBPM4_HIST_ACTINST table itsself, but before I can query it I would need exactly those IDs using another mechanism. I hope you understand my problem, to sum it up:

How do I get the IDs of terminated child executions of a running process instance?

Thanks for your help.

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