Re: [rules-users] How to chose witch rules are going to be evaluated?
The only way to prevent parts of a rule of being evaluated is to use
control facts:
when
SomeControlFact( someCondition == true )
eval( ..someHeavyEvaluation... )
then
In the above case, the eval will only be evaluated when the control fact
matches.
Another way of doing it is moving your expensive "calculation" to the
consequence of a rule and inserting the result as a fact. This way you have
control of when it is executed.
[]s
Edson
2010/7/16 mmarmol <marcelo.marmol(a)gmail.com>
I understand that, what i would like to do is to avoid evaluation of some
rules at some point, for example just make the engine evaluate rules from
one group, and treat the others as they don't even exists. So it wont be an
Agenda Group or RuleFlow group for what i have seen.
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Edson Tirelli
JBoss Drools Core Development
JBoss by Red Hat @ www.jboss.com
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