[jboss-jira] [JBoss JIRA] Resolved: (JBRULES-2614) ExistsNode is not properly propagating modify WMAs

[Edson Tirelli (JIRA)]

     [ https://jira.jboss.org/browse/JBRULES-2614?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Edson Tirelli resolved JBRULES-2614.
------------------------------------

    Resolution: Done


> ExistsNode is not properly propagating modify WMAs
> --------------------------------------------------
>
>                 Key: JBRULES-2614
>                 URL: https://jira.jboss.org/browse/JBRULES-2614
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-core
>    Affects Versions: 5.1.0.FINAL
>            Reporter: Edson Tirelli
>            Assignee: Edson Tirelli
>             Fix For: 5.1.1.FINAL, 5.2.0.M1
>
>
> ExistsNode is not properly propagating modify WMAs. The following test case shows the problem:
> TestCase "Exists node modify test 2"
> import org.drools.Cheese;
> import org.drools.Person;
> Setup
> 	Binding:
> 	    $likes, 0, Person, likes;
> 	ExistsNode:
> 	    exists, mock, mock;
> 	    Cheese, type, ==, $likes;
> 	LeftTupleSink:
> 	    sink, exists;
> 	Facts:
> 	    new Person('darth', 35, "brie"),     // h0     
> 	    new Person('bobba', 36, 'stilton'),  // h1
> 	    new Cheese('brie', 10),              // h2
> 	    new Cheese('brie', 12),              // h3
> 	    new Cheese('stilton', 15),           // h4
> 	    new Cheese('brie', 12);              // h5
> Test "exists node test 1 left, 1 right and modify"	     
> 	assert:
> 	    exists, [[h0]];
> 	exists:
> 	    leftMemory, [[h0]]; 
> 	    rightMemory, [];
>     assert:	    
> 	    exists, [h2];
> 	exists:
> 	    leftMemory, []; // h0 was blocked by h2, so it was removed from the node memory 
> 	    rightMemory, [h2];    
>     sink:
> 	    verify, assertLeft, count, 1;
> 	    verify, assertLeft, tuple0, isTuple( [h0] );
> 	    verify, modifyLeft, count, 0;
> 	modify:
> 	    exists, [[h0]];
>     sink:
> 	    verify, assertLeft, count, 1; // still 1
> 	    verify, modifyLeft, count, 1; // modify was propagated
> 	    verify, modifyLeft, tuple0, isTuple( [h0] );
> 	    

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