Problems with rules accessing nested properties

[Alena Bayanova]

Hi,

i have troubles with rules accessing nested properties of my objects. Here simple use case showing the problem:

Data-Structure:
package test;

public class A {
    public B b = new B();
}

public class B {
    public int b1=1;
    public int b2=2;
    public int b3=3;
}


Rules:
package rules

rule "One"
when test.A(b.b1==1)
then
    System.out.println("One");
end

rule "Two"
when  test.A(b.b2==2)
then
    System.out.println("Two");
end

rule "Three"
when  test.A(b.b3==3)
then
    System.out.println("Three");
end

Program launching the test:
package com.sample;

import org.kie.api.KieServices;
import org.kie.api.runtime.KieContainer;
import org.kie.api.runtime.KieSession;

import test.A;

/**
 * This is a sample class to launch a rule.
 */
public class DroolsTest {

    public static final void main(String[] args) {
        KieServices ks = KieServices.Factory.get();
        KieContainer kContainer = ks.getKieClasspathContainer();
        KieSession kSession = kContainer.newKieSession("ksession-rules");

        kSession.insert(new A());

        int fireAllRules = kSession.fireAllRules();
        System.out.println("Fired:" + fireAllRules);

    }

}

After running the program i see that only the rule "One" has fired. I would expect, that all the rules fire. Do i anything wrong?

Thanks!

[Mario Fusco]

Hi Alena,

this was indeed a bug. I reported it here https://issues.jboss.org/browse/DROOLS-870 and fixed it with this commit https://github.com/droolsjbpm/drools/commit/cda8e1d22

Thanks for having reported this,

Mario

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[Alena Bayanova]

Cool, thank you!