[rules-users] Drools rule writing question

[Steve Núñez]

Fusion


On 11/02/09 6:35 PM, "Denny Lee" <denny_junk_mail at yahoo.com> wrote:

> Hello,
> I am new to Drools.  We have been using JESS for a while and ran into a
> problem that we cannot solve and is hoping Drools have a solution.  Is there
> anything in the Drools language / rules that allows for temporal evaluation
> within the rules?  What I mean is, say your rule examines 2 variables, var1
> and var2, and if both are true it fires.  Is there any way/technique to say
> "If var1 becomes true and var2 was ALREADY true, fire" and "If var1 was
> ALREADY true and var2 becomes true, DO NOT fire?"   I've worked w/ JESS and
> there is nothing built into the language that does this.  Is there something
> in Drools that can handle this or some general techniques that can deal with
> something like this?
> 
> Thanks.
> 
> Denny
> 
>  
> 
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/rules-users/attachments/20090211/40566a25/attachment.html