Edson Tirelli-3 wrote:
>
> Ck,
>
> You need to think different when using forward chaining. Your data
> will
> drive the execution, not your "goals".
> So, the state of your facts match rule B twice, it will fire twice.
>
> "Stupid" example:
>
> rule "1. increment counter"
> salience 10
> when
> $c : Counter( value < 2 )
> then
> System.out.println( "firing rule 1" );
> $c.setValue( $c.getValue() + 1 );
> modify( $c );
> end
>
> rule "2. diplay counter"
> when
> Counter( $value : value )
> then
> System.out.println("Value = "+$value);
> end
>
> If you do:
>
> wm.assertObject( new Counter( 0 ) );
> wm.fireAllRules();
>
> Rules will fire:
>
> 1 -> 1 -> 2
>
> 2007/5/9, ch4nd4n <[EMAIL PROTECTED]>:
>>
>>
>> Hi,
>> is there a possibility to fire a particular rule twice?
>>
>> For example if I have Rules "A", "B", "C", "D" and I am putting a Person
>> Object with few parameters,
>>
>> Then how can I fire in following order
>>
>> A -> B -> C -> B -> D
>>
>> Thanks,
>> Ck
>> http://www.gfour.net
>
Hi Ed,
Thanks for the clarification. Your example gave me a clear picture how it
can be controlled. My attempts to get something like this done, was ending
up in endless loop. I was forced to use no-loop, which of course would
disable the purpose.
--
Ck
http://www.gfour.net
--
View this message in context:
http://www.nabble.com/reuse-a-rule-already-fired-tf3714857.html#a10407422
Sent from the drools - user mailing list archive at Nabble.com.
_______________________________________________
rules-users mailing list
rules-users@lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
