[rules-users] [drools 4] firing a partial set of rules and consequences
Mark Proctor
mproctor at codehaus.org
Sat Jun 16 12:37:25 EDT 2007
latest ruleflow stuff has 'and', 'or' and 'xor' type logic to chose your
branch points on a split - would that work for you?
Mark
Edson Tirelli wrote:
> Geoffrey,
>
> Look at agenda-groups and rule-flows.
>
> []s
> Edson
>
>
> 2007/6/15, Geoffrey De Smet <ge0ffrey.spam at gmail.com
> <mailto:ge0ffrey.spam at gmail.com>>:
>
> Can I fire a partial set of rules?
> Say I have 3 rules: fastRuleA, fastRuleB, slowRuleC.
> What's the best way to only fire the group of fastRule1 and fastRule2?
> AgendaFilter looks like a good way of doing this, but:
>
> If between 2 rule fires, I change a fact, but change it back to it's
> original state, will the rule be not refire, just like if I hadn't
> changed it temporary? for example fact1 is used in slowRuleC:
> fireAllRules(); // fires slowRuleC
> fact1.a++;
> fact1.a--;
> fireAllRules(); // does not fire slowRuleC?
>
> Does still apply if I fire other rules meanwhile?
> fireAllRules(); // fires slowRuleC
> fact1.a++;
> fireAllRules(notSlowRuleCAgendaFilter); // slowRuleC is ignored
> // if I did not filter it out it would have fired of course
> fact1.a--;
> fireAllRules(); // does not fire slowRuleC? or does it?
> // a hasn't is the same since the last time slowRuleC was fired
>
> --
> With kind regards,
> Geoffrey De Smet
>
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>
> --
> Edson Tirelli
> Software Engineer - JBoss Rules Core Developer
> Office: +55 11 3529-6000
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> JBoss, a division of Red Hat @ www.jboss.com <http://www.jboss.com>
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