[rules-users] Facing Problem in BRL

[Sumeet Karawal]

This is the brl that I have created:


(Embedded image moved to file: pic18001.jpg)


Regards,
Sumeet Karawal
Mailto: sumeet.karawal at tcs.com


                                                                                                                       
  From:       "Abhay B. Chaware" <Abhay.Chaware at kpitcummins.com>                                                       
                                                                                                                       
  To:         Rules Users List <rules-users at lists.jboss.org>                                                           
                                                                                                                       
  Date:       05/18/2011 11:42 AM                                                                                      
                                                                                                                       
  Subject:    Re: [rules-users] Facing Problem in BRL                                                                  
                                                                                                                       
  Sent by:    rules-users-bounces at lists.jboss.org                                                                      
                                                                                                                       





Could you post your rule content here ?


-----Original Message-----
From: rules-users-bounces at lists.jboss.org [
mailto:rules-users-bounces at lists.jboss.org] On Behalf Of Sumeet Karawal
Sent: Wednesday, May 18, 2011 11:38 AM
To: rules-users at lists.jboss.org
Subject: [rules-users] Facing Problem in BRL


Hi,

I am using Drools-Expert. I am having a class "Person" with data members as
age and discount.
I am trying to create a .brl. I have these statements in drools.package
package com.rules;

import com.model.PersonDetails;


and in the example.brl I am providing the details of when and then
conditions

but on execution I am getting the following error :

java.lang.RuntimeException: [4] Unable to expand: PersonDetails( age <
"20" )[6] Unable to expand: 		 		 PersonDetails fact0 = new
PersonDetails
();[7] Unable to expand: 		 		 fact0.setDiscount
( 10 );[8] Unable to
expand: 		 		 insert(fact0 );


It would be helpful is somebody guide me on how execute it.

Also, I am creating the knowledgebase as:

private static KnowledgeBase createKnowledgeBase() {
 KnowledgeBuilder builder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    builder.add (ResourceFactory.newClassPathResource(
"com/rules/example.brl"),ResourceType.BRL);
    if (builder.hasErrors()) {
      throw new RuntimeException (builder.getErrors().toString ());
    }
    KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase();
    knowledgeBase.addKnowledgePackages(builder.getKnowledgePackages ());
    return knowledgeBase;}


Thanks & Regards,
Sumeet Karawal
CEG - Open Source Technology Group
Tata Consultancy Services
Ph:- +912267782556
Cell:- +919833236440
Mailto: sumeet.karawal at tcs.com
Website: http://www.tcs.com
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