On 1 March 2012 23:10, shawn <youngxiao...@hotmail.com> wrote: > Thank you very much~ > 1- You don't "retract", you can set it to null, same way as set to an > object. > Is it in java or in drool?
...? It's a Java object, made visible to DRL code. > If I understand correct, global variable is not > really inserted into the working memory,right? Yes. > Global just ensure drool can > see the variable? > Yes. > 2-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. > You mean the working memory belongs to the Session not knowledgeBase? > Yes. > Because I have to keep the knowledgebase running all the time, I have to > ensure each fire() don't leave any useless facts in the working memeory. Now you know how to. -W > > -- > View this message in context: > http://drools.46999.n3.nabble.com/How-to-make-the-working-memory-clean-tp3790730p3791905.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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