[rules-users] Fwd: Double Handling

[Edson Tirelli]

   Yes, Wolfgang is right. Just don't use ; inside the modify block:

modify( $d ) {
    preset( $i )
}

   Edson

2010/4/16 Wolfgang Laun <wolfgang.laun at gmail.com>

> Well, I already suggested to you that the Drools Engine must be *informed*about changes to facts if these changes should trigger any rules.
>
> In rule "Preset" you have
>
>    $d.preset($i);
>
> but this must be written as
>
>    modify( $d ){
>       preset( $i );
>    }
>
> -W
>
> 2010/4/16 Ade Timi <adeyinka.timi at nathean.com>
>
>>  Changing the method name solved the build error problem.
>>
>> But now I’m having my initial number comparison problem. I am using a rule
>> flow that runs preset 1st and then customer details. It is acting weird
>> in that it never runs customer details with the cpointer == 2 condition. It
>> only runs it when I change the condition to cpointer <= 2 and then its print
>> statement returns the value 2! What am I doing wrong?
>>
>>
>>
>> *rule* "Joint App"
>>
>>       *ruleflow-group* "customer_details"
>>
>>       *when*
>>
>>             $d : IndividualDecision(cpointer == 2)
>>
>>       *then*
>>
>>             $d.setWfResult("Yes");
>>
>>             $d.setJointApp(*true*);
>>
>>             System.out.println("Customer pointer " + $d.getCpointer());
>>
>>             System.out.println("Customer Details(Joint App)? " +
>> $d.getWfResult());
>>
>> *end*
>>
>>
>>
>> *rule* "Preset"
>>
>>       *ruleflow-group* "preset"
>>
>>       *when*
>>
>>             $d : IndividualDecision()
>>
>>             $i : Individual()
>>
>>       *then*
>>
>>             $d.preset($i);
>>
>>             System.out.println("Custpointer: " + $d.getCpointer());
>>
>>             System.out.println("Preset..........");
>>
>> *End*
>>
>> * *
>>
>> *public class IndividualDecision {*
>>
>> *      . . .*
>>
>> *      private int cpointer;*
>>
>> *      */**
>>
>>        * *@param* customerPointer the customerPointer to set
>>
>>        */
>>
>>       *public* *void* setCpointer(*int* cpointer) {
>>
>>             *this*.cpointer = cpointer;
>>
>>       }
>>
>>       /**
>>
>>        * *@return* the customerPointer
>>
>>        */
>>
>>       *public* *int* getCpointer() {
>>
>>             *return* cpointer;
>>
>>       }
>>
>>       /**
>>
>>        * *@param* ind.
>>
>>        * Preset for Calculator
>>
>>        */
>>
>>       *public* *void* preset(Individual ind) {
>>
>>             *this*.setDecision("Error");
>>
>>             *this*.setCpointer(2);
>>
>>             *this*.setDepositPercentage((ind.getDepositLomabard() /
>> ind.getAmountFinanced()) * 100);
>>
>>             *this*.setAssetAgeInYears(ind.getAssetAgeYears()/12);
>>
>>       }**
>>
>> }
>>
>>
>>
>>
>>  ------------------------------
>>
>> *From:* rules-users-bounces at lists.jboss.org [mailto:
>> rules-users-bounces at lists.jboss.org] *On Behalf Of *Edson Tirelli
>> *Sent:* 15 April 2010 14:59
>> *To:* Rules Users List
>> *Subject:* [rules-users] Fwd: Double Handling
>>
>>
>>
>>
>>      Sorry, I meant to send this to the list.
>>
>>      Ade, let us know if that solves the problem.
>>
>>      Edson
>>
>> ---------- Forwarded message ----------
>> From: *Edson Tirelli* <tirelli at post.com>
>> Date: 2010/4/15
>> Subject: Re: [rules-users] Double Handling
>> To: Ade Timi <adeyinka.timi at nathean.com>
>>
>>
>>
>>    Ade,
>>
>>    There you go:
>>
>> https://jira.jboss.org/jira/browse/JBRULES-2424
>>
>>    You have:
>>
>>    public String setErrorMessage() {
>>
>>
>>    This problem was fixed in M2 (trunk). Meanwhile, you can rename your
>> method or use a trunk snapshot.
>>
>>
>>
>>     Edson
>>
>>
>>
>>
>>
>>
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>> rules-users at lists.jboss.org
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>>
>>
>
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>


-- 
 Edson Tirelli
 JBoss Drools Core Development
 JBoss by Red Hat @ www.jboss.com
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