Would the other retractions be automatically provided for by Drools&#39; Truth Maintenance?<br><br>Otherwise, passing a StatefulKnowledgeSession to a WorkingMemoryEventHandler subclass and invoking it&#39;s methods should, IMO, not be an issue.<br>
<br>Have you tried it and experienced issues? <br><br><div class="gmail_quote">On 6 December 2010 09:32, Bruno Freudensprung <span dir="ltr">&lt;<a href="mailto:bruno.freudensprung@temis.com">bruno.freudensprung@temis.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Hi everyone,<br>
<br>
Do you know if it is possible to insert/modify/retract facts in a<br>
working memory event handler?<br>
<br>
Here is my use case actually: I want my users to be able to write rules<br>
like &quot;When ... Then retract X&quot; without having to bother with the<br>
consequences of  retracting X on the other objects of the sessions (some<br>
of them might be retracted as well). These consequences can be expressed<br>
by rules, but I would like them to be kind of &quot;part of the framework&quot;<br>
and it would be easier for users if those rules were implicitly defined.<br>
<br>
Many thanks in advance for any hint,<br>
Best regards,<br>
<br>
Bruno.<br>
<br>
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</blockquote></div><br>