On Mon, Jan 11, 2010 at 11:34 AM, Swindells, Thomas <TSwindells@nds.com> wrote:

In this case you can simply change your when clause so that it tests whether rules contains Rule1.

Eg

rule "Rule1"
salience 100
no-loop true
when

$c:Chesse(type="Chedar" && not (rules contains "Rule1"))

then
modify ($c){addRule("Rule1")}
end

Hope that helps,
Thomas

> -----Original Message-----
> From: rules-users-bounces@lists.jboss.org [mailto:rules-users-
> bounces@lists.jboss.org] On Behalf Of orchid
> Sent: 11 January 2010 13:21
> To: rules-users@lists.jboss.org
> Subject: [rules-users] Infinite loop when nesting rules
>
>
> Hi,
>
> I have another question regarding rules nesting. I have the following Rule1
> and Rule2 which check some property of Cheese type (I dont want to merge
> them into one rule). The "then" part of these rules updates the list field
> of class Cheese which holds the rules that were fired for a specific
> instance. In Rule3 I want to check if Rule1 and Rule2 were fired:
>
> rule "Rule1"
> salience 100
> no-loop true
> when
> $c:Chesse(type="Chedar")
> then
> modify ($c){addRule("Rule1")}
> end
>
> rule "Rule2"
> salience 90
> no-loop true
> when
> $c:Chesse(price < 100)
> then
> modify ($c){addRule("Rule2")}
> end
>
> rule "Rule3"
> when
> $c:Cheese(rules contains "Rule1" && rules contains "Rule2")
> then
> System.out.println("Rule3 was fired");
> end
>
> Rule1 and Rule2 cause infinite loop because of the 'modify' method. How can
> I solve that issue?
>
> Thank you very much in advance !!!
> --
> View this message in context: http://n3.nabble.com/Infinite-loop-when-nesting-
> rules-tp116764p116764.html
> Sent from the Drools - User mailing list archive at Nabble.com.
> _______________________________________________
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> rules-users@lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users

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