Hi, I'm a new user of JBossRules, and I have difficulties to solve a problem using jBossRules.

 

I have two classes (AClass.java & Bclass.java). Each one have a number (an "int" value (AClass.getNum() & BClass.getNum())

, and I want to extract a Aclass & a Bclass witch have the closest numbers. In fact I want to minimize the value:

Math.abs(AClass.getNum() - BClass.getNum()).

 

I tried to write a rule like this:

 

rule "My rule"

            when

                        ACl : Agent ($AClNum : num , $AClNom : nom)

                        BCl : Poste ($BClNum : num , $BClNom : nom)

                        BCl2 : Poste ()

                        not Agent($ACl2Num : num -> (Aminor(CalculAbsolue($ACl2Num.intValue(),BCl2.getNum()) , CalculAbsolue($AClNum.intValue(),$BClNum.intValue()) )))

            then

                        System.out.println("Selected : "+ ACl.getName() +" "+BCl.getName()+" diff: "+ CalculAbsolue(ACl.getNum(),BCl.getNum()));

                        retract(ACl);

                        retract(BCl);

end

 

    function int CalculAbsolue(int a, int b){

            return Math.abs(b-a);

    }

   

    function boolean Aminor(int a, int b){

            return a < b;

    }

   

    --> But the rule doesn't work.

    Does anyone have an idea to solve my problem?

    Thank you very much for your help.

    Olivier Lafon

 

PS : (excuse my English, I'm French)

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