[jboss-jira] [JBoss JIRA] Created: (JBRULES-542) Drools core 3.0.4 - Drools does not remove itself as a listener when Facts are Retracted

[Edson Tirelli (JIRA)]

Drools core 3.0.4 - Drools does not remove itself as a listener when Facts are Retracted
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                 Key: JBRULES-542
                 URL: http://jira.jboss.com/jira/browse/JBRULES-542
             Project: JBoss Rules
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Reteoo
    Affects Versions: 3.0.4
            Reporter: Edson Tirelli
         Assigned To: Edson Tirelli
             Fix For: 3.0.5


REPORTED BY TOM GONZALEZ:
---------------------------------------------

We are asserting facts that support property change listeners and found that Drools added itself as a listener just fine but failed to remove itself when the facts were retracted.

We have fixed the stated problem by modifying org.drools.common.AbstractWorkingMemory as follows:

Starting at line number 582:
protected void removePropertyChangeListener(final FactHandle handle) throws NoSuchFactObjectException {
        Object object = null;
        try {
            object = getObject( handle );

            final Method method = object.getClass().getMethod( "removePropertyChangeListener",
                                                              AbstractWorkingMemory.ADD_REMOVE_PROPERTY_CHANGE_LISTENER_ARG_TYPES );

            method.invoke( object,
                          this.addRemovePropertyChangeListenerArgs );


Regards,

Tom G 

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