[jboss-jira] [JBoss JIRA] (DROOLS-330) Rule Inheritance using Extends keyword fails when the Sub Rule Appears before the Super Rule

[Mike Fauzy (JIRA)]

Mike Fauzy created DROOLS-330:
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             Summary: Rule Inheritance using Extends keyword fails when the Sub Rule Appears before the Super Rule
                 Key: DROOLS-330
                 URL: https://issues.jboss.org/browse/DROOLS-330
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
    Affects Versions: 5.5.0.Final
         Environment: Ubuntu 12.04 LTS in VM
            Reporter: Mike Fauzy
            Assignee: Mark Proctor
            Priority: Minor


In Drools 5.5.0.Final the extends keyword allows one rule (SubRule) to extend another rule (SuperRule). SubRule should only fire if all of the conditions for SubRule and SuperRule are met. 

If SubRule is listed after SuperRule after in the .drl file, then it works correctly. However, if SubRule is listed before SuperRule in the .drl file, then only the SubRule's conditions need to be met for the rule to fire. 

A temporary workaround is to list all SubRules after the SuperRules. 

This might be related to: https://issues.jboss.org/browse/DROOLS-100

To reproduce:
I have a junit test packaged for Maven and Eclipse, but I don't see any place to add the file.

Create 2 .drl files where rule "sub" extends rule "super". Setup a boolean that is true for the sub, but false for the super. 

In the first file, place the sub before the super. In the second file, reverse the two. 

Observe that the sub fires when it is in the file before the super, but not after. It should not fire either time. 

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