[jboss-user] [JBoss jBPM] - does this design make sense?

[twiceknightly]

My app is set up as a stateless session bean calling jbpm.  So within the enerprise bean I open the hibernate session, do my jbpm goodness and then save and close the hibernate session.

I have a process definition with multiple tokens each signalling on different part of the process graph.  The child tokens live for the life of the process i.e. there is no join.

I was thinking that to stop classic concurrency problems like lost update problem I thought I might be able to use a special task for the purpose of locking i.e. use it as a lock.  I could put something in the ejb, so before it performs the signal on one of the tokens (or whatever) , it has to acquire the lock (special task) for this process.  

Do you think this makes sense?

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