[rules-users] Action

[Mauricio Salatino]

Hi,
if you use the from expression it will get evaluated each time that
anything in the session change (at least in your example).
So you can insert all the NikeShoes from the service you are calling
into the working memory and those rules will be only evaluated when a
NikeShoe is modified or inserted. Using ruleflow-groups do not prevent
the evaluation from the other rules, it just prevent those rules to
fire.

Cheers

2011/12/21 Alan Ma <ama at spectrumk12.com>:
> Hi Drools Rulers,
>
>
>
> I am new to drools and I’ve configured a rule with the following:
>
> ------------------------------------------------------------------------
>
> rule "my rules"
>
>     ruleflow-group "nike"
>
>     no-loop true
>
>     when
>
>         $nikeShoe : NikeShoe() from shoeManager.getNikeShoe(xxxx)
>
> then
>
>    xxxx
>
> end
>
> ------------------------------------------------------------------------
>
>
>
> When I run rule group “Adidas”, the getNikeShoe() query in group “nike” is
> executed. Although I did NOT invoke the rule group “nike” when executing
> rules, the shoeManager. getNikeShoe () call is always executed. Seems
> somehow the condition is pre-checked by drools somehow. Anyone could please
> share what I did wrong? I definitely don’t want to invoke group “nike” when
> executing group “Adidas”.
>
>
>
> Thanks in advance!
>
>
>
> Alan M.
>
>
>
>
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