Thanks Kris. That's what I thought later on after your first mail on this topic. So I
did got the JPA entity persisted/merged after retrieving the entitymanagerfactory from the
working memory's environment and got it done through the JPA transaction - I will
refactor this to use the JPA command service so that I don't have to deal with
transaction et all.
-----Original Message-----
From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On
Behalf Of Kris Verlaenen
Sent: Wednesday, November 25, 2009 10:06 AM
To: Rules Users List; Vijay K Pandey
Cc: Rules Users List
Subject: Re: [rules-users] Drools Flow 5.1 - Update JPA Entity - while workitem is in
pending state - variable persistence strategy
Quoting Vijay K Pandey <VPandey(a)mdes.ms.gov>:
> c) I would like to change it through Drools Process because
that's
where I have associated the JPA entities - I would not like to update
it from outside.
Not sure this is a problem. You merely create an association to these
JPA entities (assuming we implement the pluggable persistence strategy
here as well). And the engine is only interested in the start and
completion of the work item, not really in anything that happens in
between. So I don't think updating the JPA entities from outside the
engine should be considered a problem.
In theory you could easily update the work item, we simply don't have a
command for that implemented. If you would write a command that can
then be executed inside a transaction using the JPA command service,
those changes would be persisted.
Kris
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