On 1 March 2012 16:21, shawn <youngxiao...@hotmail.com> wrote: > I don't understand the garbage collection mechanism in drool, though I have > read the expert documentation. > There is no specific "garbage collection" by Drools - Java's GC does the trick.
> 1 - how to retract a global variable in drool? > You don't "retract", you can set it to null, same way as set to an object. > 2 - how to retract all the facts that have been inserted into the working > memory? Several ways, simple is to use KnowledgeSession's getFactHandles, and retract them. Or dispose the entire Session, and create another one, which might be faster. > If I use halt(), does it retract all facts in the working memory and > stop the all the rules? > No. Yes. -W > > > -- > View this message in context: > http://drools.46999.n3.nabble.com/How-to-make-the-working-memory-clean-tp3790730p3790730.html > Sent from the Drools: User forum mailing list archive at Nabble.com. > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users >
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