[rules-users] Problem in update() method
Esteban Aliverti
esteban.aliverti at gmail.com
Thu May 13 09:37:18 EDT 2010
You must follow Greg's solution then ;)
2010/5/13 Puneet duggal <duggalpunit at gmail.com>
> @ Esteban
>
> i use update to update my object so that when my next rule is called
> it should receive the updated value from the previous rule.
>
> so using
> *lock-on-active*
> will allow me doint that or not ??
>
>
>
> On 5/13/10, Esteban Aliverti <esteban.aliverti at gmail.com> wrote:
>>
>> If both rules are in the same agenda group you can use lock-on-active
>> instead of no-loop:
>>
>> http://hudson.jboss.org/hudson/job/drools/lastSuccessfulBuild/artifact/trunk/target/docs/drools-expert/html_single/index.html#d0e3717
>>
>>
>>
>>
>> Best,
>>
>> 2010/5/13 Greg Barton <greg_barton at yahoo.com>
>>
>> It is so because that's what you're telling the system to do. :)
>>>
>>> The no-loop modifier only prevents a rule's conditions from infinitely
>>> re-evaluating the tuples modified by it's own action, not the actions of
>>> other rules. So when rule "Area_EstimatedRval_test_10-01-09_12-31-14"
>>> modifies a Para_2483 it will be reconsidered by the conditions in
>>> "Area_EstimatesRval4_10-01-09_12-31-14". The only way to prevent
>>> "Area_EstimatesRval4_10-01-09_12-31-14" from firing again is to craft it's
>>> conditions such that they're no longer true. (maybe "fid2329 != eid2143"
>>> since that contradicts what "Area_EstimatedRval_test_10-01-09_12-31-14"
>>> does, but I don't know if that makes sense for your rules.)
>>>
>>> --- On *Wed, 5/12/10, Puneet duggal <duggalpunit at gmail.com>* wrote:
>>>
>>>
>>> From: Puneet duggal <duggalpunit at gmail.com>
>>> Subject: [rules-users] Problem in update() method
>>> To: "Rules Users List" <rules-users at lists.jboss.org>
>>> Date: Wednesday, May 12, 2010, 10:54 PM
>>>
>>>
>>>
>>>
>>> hi frnds
>>> i am having problem with update() method when i call update method from
>>> first rule
>>> it calls second rule and goes in infinite loop calling the second method
>>> rule again and again
>>> why is it so ??
>>>
>>>
>>> rule "Area_EstimatesRval4_10-01-09_12-31-14"
>>> date-effective "01-Oct-2009" date-expires "31-Dec-2014" salience 5
>>> no-loop true
>>> when
>>> objectP2483 : Para_2483( (fid2329>=0);
>>>
>>> then
>>>
>>> objectP2483.setFid2339(objectP2483.getFid2338()
>>> *3.1);update(objectP2483);
>>>
>>> rule "Area_EstimatedRval_test_10-01-09_12-31-14"
>>> date-effective "01-Oct-2009" date-expires "31-Dec-2014" salience 5
>>> no-loop true
>>> when
>>> objectP2483 : Para_2483( fid2339>0);
>>> then
>>> System.out.println("Area_EstimatedRval_test_10-01-09_12-31-14");
>>> objectP2483.setFid2339(objectP2483.getEid2143());
>>>
>>> update(objectP2483); end
>>>
>>>
>>> -----Inline Attachment Follows-----
>>>
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>>>
>>>
>>>
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>>
>>
>> --
>> XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
>>
>> Esteban Aliverti
>>
>>
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>>
>>
>
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--
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Esteban Aliverti
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