[rules-users] activation-group issue

Bruno Freudensprung bruno.freudensprung at temis.com
Thu Dec 16 12:09:16 EST 2010


Hi,

I don't know if it is the best solution since I am very new to Drools 
but you could use a logical insert of a "Skip" fact. Something like:

rule "A1"
salience 100
ruleflow-group "A"
activation-group "A"
when
        xxx1
then
       yyy1
*       insertLogical(new Skip());
*end

rule "A2"
salience 90
ruleflow-group "A"
activation-group "A"
when
*        not Skip()
*        xxx2
then
       yyy2
end

Bruno.

Yaniv Itzhaki a écrit :
> any ideas anyone?
>
> On Thu, Dec 16, 2010 at 12:36 PM, Yaniv Itzhaki <iyaniv at gmail.com 
> <mailto:iyaniv at gmail.com>> wrote:
>
>     Hi,
>
>     I have a group of rules with salience which I would like that only
>     the first activated rule will fire.
>
>     I cant use the activation-group attribute because each rule can
>     fire number of times, and i want only this rule to be fired in
>     that group:
>
>     rule "A1"
>     salience 100
>     ruleflow-group "A"
>     activation-group "A"
>     when
>             xxx1
>     then
>            yyy1
>     end
>
>     rule "A2"
>     salience 90
>     ruleflow-group "A"
>     activation-group "A"
>     when
>             xxx2
>     then
>            yyy2
>     end
>
>     If Rule A1 run (activated number of times), rule A2 should not run.
>
>     Is there a way to do that? (no global flags etc.)
>
>     Thanks
>     Yaniv
>
>
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>
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