2012/3/2 Matteo Cusmai <[email protected]>
> i see that there are some other threads that insert new event and some
> others retract them.
> How is the thread model?
>
Contrary to claims made on this mailing list, StatefulKnowledgeSession is
not thread-safe (this may be due to bugs, but bottomline is: it's not
thread-safe). In order to avoid errors due to multi-threading, don't use
fireUntilHalt(), instead synchronize on the session and only call insert()
and fireAllRules() while synchronized on the session:
synchronized (session) {
entryPoint.insert(event);
session.fireAllRules();
}
-Richard
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