<br><br><div class="gmail_quote">On 1 March 2012 23:10, shawn <span dir="ltr"><<a href="mailto:youngxiao121@hotmail.com">youngxiao121@hotmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Thank you very much~<br>
1- You don't "retract", you can set it to null, same way as set to an<br>
object.<br>
Is it in java or in drool?</blockquote><div>...? It's a Java object, made visible to DRL code.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> If I understand correct, global variable is not<br>
really inserted into the working memory,right?</blockquote><div>Yes.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> Global just ensure drool can<br>
see the variable?<br></blockquote><div>Yes.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
2-Several ways, simple is to use KnowledgeSession's getFactHandles, and<br>
retract them. Or dispose the entire Session, and create another one, which<br>
might be faster.<br>
You mean the working memory belongs to the Session not knowledgeBase?<br></blockquote><div>Yes. </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Because I have to keep the knowledgebase running all the time, I have to<br>
ensure each fire() don't leave any useless facts in the working memeory.</blockquote><div>Now you know how to.</div><div>-W </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
</blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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