[jboss-jira] [JBoss JIRA] Created: (JBRULES-2673) There Should be a Relation Between the Fired Rule and the Node which Activates the Ruleflow-Group

[Anatoly Polinsky (JIRA)]

There Should be a Relation Between the Fired Rule and the Node which Activates the Ruleflow-Group
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                 Key: JBRULES-2673
                 URL: https://jira.jboss.org/browse/JBRULES-2673
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
    Affects Versions: 5.1.1.FINAL
         Environment: N/A
            Reporter: Anatoly Polinsky
            Assignee: Mark Proctor


We asked for the following behavior to be implemented:

    @Test(expected=NameOfOurLayerOtTopOfDroolsException.class)
    public void shouldThrowNameOfOurLayerOtTopOfDroolsExceptionForAnyThrowableThrownWithinDroolsOnTheProcessStart() {
                      ksession.startProcess("com.jpmc...process-throws-throwable");
    }

    @Test(expected=NameOfOurLayerOtTopOfDroolsException.class)
    public void shouldThrowNameOfOurLayerOtTopOfDroolsExceptionForAnyThrowableThrownWithinDroolsOnTheProcessResume() {
                      ksession.getWorkItemManager().completeWorkItem( id, null );
    } 

And Plugtree was prompt to create it for us: http://anonsvn.jboss.org/repos/labs/labs/jbossrules/branches/5_1_20100802_esteban_diega/drools-persistence-jpa/src/test/java/org/drools/persistence/jpa/exceptionhandling/PersistentProcessNodeExceptionOccurredEventTest.java

The only roadblock here, to fulfill our original request, is when Throwable is thrown from within a "ruleflow-group" ( from within rules that are embedded into / invoked from a workflow ), in which case Throwable cannot be caught by the above mechanism due to the fact that:

"At the moment Drools doesn't keep any relation between the fired rule and the node which activates the ruleflow-group, thus if an activated rule blows up there is no way to know which node has made focus on its group"

Since Drools is moving towards having everything under "a single roof/parent of Knowledge", Process and Rule children should be rather siblings than strangers, hence should know a little more about each other.

/Anatoly

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