[jboss-dev-forums] [Design of JBoss jBPM] - Re: plan to convert web console to commands

[tom.baeyens@jboss.com]

coming back from a visit to brussels together with jeff delong, i realized the problem is the different transaction strategies is the problem:

* in a ee environment, i want jbpm to be configured for JTA.  i don't want the web console to require EJB's.  so we need some kind of abstraction between the web console and the ejb's that manage the transactions.  that is the command service pattern.

* the problem is that in a POJO environment we can easily manage the transactions ourselves: one transaction for the updates, and after that one transaction for preparing all the data for the new view.

I don't yet see how we can get a good transaction strategy that works on both platforms... unless we can manage JTA transactions from inside the JSF backed beans.  i'll investigate a bit further and report if i find something that could mean a solution.  i just wanted to keep you up to date on where i just found that the command service based interface between web console and jbpm has problems.



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