[rules-users] Using java.util.List in rules

[Bhattacharya, Sougata]

If I want to test for all ith element, 

Like this 

 

rule "Test"
  
    when
        e : Especialista(retratoUser.lstCarac.get(i).codCarac != 0)
    then 
        System.out.println ("test");
      
end

 

what should I do





________________________________

From: rules-users-bounces at lists.jboss.org [mailto:rules-users-bounces at lists.jboss.org] On Behalf Of Edson Tirelli
Sent: Wednesday, October 03, 2007 6:10 AM
To: Rules Users List
Subject: Re: [rules-users] Using java.util.List in rules

 


   You can't explicitly call methods in the field name. Use MVEL special notation for lists:

e : Especialista(retratoUser.lstCarac[0].codCarac != 0)

    []s
    Edson
     

2007/10/2, Anderson Pazza Mello <payakahn at gmail.com>:

Hi everyone,

I'm trying to use a java.util.List like this:

rule "Test"
  
    when
        e : Especialista(retratoUser.lstCarac.get(0).codCarac != 0)
    then 
        System.out.println ("test");
      
end

The property lstCarac is a java.util.List<Caracteristica>. I'm getting this error :

org.drools.rule.InvalidRulePackage: [18,44]: unknown:18:44 Unexpected token '0'[18,46]: unknown:18:46 Unexpected token '.' 
    at org.drools.rule.Package.checkValidity(Package.java:419)

Someone knows what i have to do to fix the problem??


-- 
Anderson Pazza Mello
Tecnologia em Informática - UFPR 
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-- 
  Edson Tirelli
  Software Engineer - JBoss Rules Core Developer
  Office: +55 11 3529-6000
  Mobile: +55 11 9287-5646
  JBoss, a division of Red Hat @ www.jboss.com 



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