[rules-users] Salience not working

[sridhar123]

I changed variable names in the last minute to make more sense, the actual
eval statement is as following:

 

       eval(((Boolean) $discard).booleanValue() == false)

 

I do have $discard bound in my rule, you still think above statement throw
compilation error. I don’t get any compilation errors. However at run time
it is not getting the right value (well.. what I think is a right value J )

 

-sridhar



sridhar123 wrote:
> 
> 
> Here is my drl file: It seems LHS of all rules executed first irrespective
> of salience or focus. What am i doing wrong? Appreciate your help.
> 
> rule "Eval Window"
>     salience 10
>     agenda-group "Eval Window"
> //    activation-group "Eval Window"
>     auto-focus true
> 	when
>     	$data : AirTravelPolicyData($reqDep : fareRequest.requestedDeparture, 
>     	        $reqRet : fareRequest.requestedReturn,
>     	        $itr : itinerary,
>     	        $evalWindow : policySettings.evaluationWindow,
>     	    	$depart : departureFlight.departure,
>     	    	$retrn : returnFlight.departure
>     	    	)
>     	    	
>      	    eval ((DateUtil.subtractHours((Date)$reqDep,
> ((Integer)$evalWindow).intValue()))
>       	 										.before((Date)$depart))
>        then
> // modify block sets $itr.discardable to true     
>      modify($itr) {
>       setAsDiscardable()
>      }
> //     update ($data);
>      drools.setFocus("Eval carrier");
> end
> 
> 
> rule "Eval carrier"
>  salience 5
>  agenda-group "Eval carrier"
> // activation-group "Eval carrier"
> 	when
> 	$data : AirTravelPolicyData($prefCarrier :
> policySettings.preferredCarrier, 
>     	        $carrier : departureFlight.carrier,
>     			$discard :  itinerary.discarded
>     	    	)
> //   Eval Window rule changed discarded flag to true so this condition
> should fail but it dose not ???  	    	
>           eval(((Boolean)$itr).booleanValue() == false)
>      then
> 	// But.. when i print out the discard flag here it show as true.. In that
> case how eval condiation is passed?
>         System.out.println("*********Current Itr in Eval carrier: " +
> $discard );
> 			
> end
> 
> 
> 
> 
> Edson Tirelli-3 wrote:
>> 
>>   This is wrong:
>> 
>> $data : MyFact( $anotherObj )
>> 
>>    Is the parser accepting it without any error???? If so, it is a bug.
>>    I can't even imagine what is the parsing result for such expression.
>> 
>>    This is also wrong:
>> 
>>   eval ($anotherObj.isDiscard() == true)
>> 
>>    There is no previous binding for "$anotherObj". Only possible scenario
>> is
>> you defined it as a global.
>>    So, whatever you are doing and seeing, I have no idea how you can
>> execute
>> rules.
>> 
>>    Can you show us the whole DRL file you are using? Can you show the
>> snippet of code you are using to execute it?
>> 
>>    []s
>>    Edson
>> 
>> 
>> 
>> 
>> 
>> 2008/5/13 sridhar123 <sridhar.peddinti at sabre.com>:
>> 
>>>
>>> It still dosen't work as desired. Here is my code:
>>>
>>>      rule A
>>> Salience 10
>>> when
>>>  $data : MyFact( $anotherObj )
>>> then
>>>   modify(  $anotherObj ) {
>>>      setDiscard(true)
>>>   }
>>>
>>> rule B
>>> Salience 5
>>> when
>>>  eval ($anotherObj.isDiscard() == true)
>>> then
>>>  ...
>>>
>>> It seems, all When conditions are executed first irrespective of "then"
>>>
>>> I also tried with agenda group and having default focus on Rule A and in
>>> Then section setting focus to Rule B - still the condition doesnt match.
>>> When i inspect fact - after Rule A is executed, i see my flag is set to
>>> true
>>> - but not visible to Rule B.
>>>
>>> Do i need to write seperate drl files. Also, i am using eclipse 3.3 and
>>> ruleflow seems buggy i can not add any rule flow groups. do i need to
>>> use
>>> 3.2. I am using Drools 4.0.4
>>>
>>> thank you
>>>
>>>
>>>
>>>
>>>
>>> Alessandro Lazarotti wrote:
>>> >
>>> >
>>> >
>>> >
>>> >
>>> >
>>> >
>>> > rule A
>>> >        Salience 10
>>> >  when
>>> >         $anotherObject: MyFact(discard != true)
>>> >  then
>>> >         modify($anotherObj){
>>> >                  setDiscard(true)
>>> >         }
>>> >
>>> >
>>> > "Modify" update your fact in the current working memory.
>>> >
>>> >
>>> >
>>> > sridhar123 escreveu:
>>> >
>>> >
>>> > It means, I can not fire all rules at once, I need to groups and
>>> change
>>> > focus in my java code?
>>> >
>>> > I couldn't find any docs or examples to properly use Salience - could
>>> you
>>> > please share an example (if you have one)
>>> >
>>> > thx
>>> >
>>> >
>>> >
>>> > Alessandro Lazarotti wrote:
>>> >
>>> >
>>> >     You need upate() the fact $anotherObj in Working Memory.
>>> >
>>> > sridhar123 escreveu:
>>> >
>>> >
>>> >       rule A
>>> > Salience 10
>>> > when
>>> >  $data : MyFact( $anotherObj )
>>> > then
>>> >   $anotherObj.setDiscard(true)
>>> >
>>> > rule B
>>> > Salience 5
>>> > when
>>> >   eval ($anotherObj.isDiscard() == true)
>>> > then
>>> >    ...
>>> >
>>> >
>>> > I am trying to get Rule A executed before Rule B. So when condition in
>>> > Rule
>>> > B is valid. However i dont see "Saliene" has any effect. How else i
>>> can
>>> > do
>>> > the above?
>>> >
>>> > thank you
>>> >
>>> >
>>> >
>>> >
>>> >     _______________________________________________
>>> > rules-users mailing list
>>> > rules-users at lists.jboss.org
>>> > https://lists.jboss.org/mailman/listinfo/rules-users
>>> >
>>> >
>>> >
>>> >
>>> >
>>> >
>>> >
>>> >
>>> >
>>> >
>>> > _______________________________________________
>>> > rules-users mailing list
>>> > rules-users at lists.jboss.org
>>> > https://lists.jboss.org/mailman/listinfo/rules-users
>>> >
>>> >
>>>
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>> 
>> 
>> 
>> -- 
>> Edson Tirelli
>> JBoss Drools Core Development
>> Office: +55 11 3529-6000
>> Mobile: +55 11 9287-5646
>> JBoss, a division of Red Hat @ www.jboss.com
>> 
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>> https://lists.jboss.org/mailman/listinfo/rules-users
>> 
>> 
> 
> 

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