[jboss-jira] [JBoss JIRA] (DROOLS-891) Missing alpha node removal when the only rule using it is removed

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/DROOLS-891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13130022#comment-13130022 ] 

RH Bugzilla Integration commented on DROOLS-891:
------------------------------------------------

Ryan Zhang <rzhang at redhat.com> changed the Status of [bug 1273087|https://bugzilla.redhat.com/show_bug.cgi?id=1273087] from MODIFIED to ON_QA

> Missing alpha node removal when the only rule using it is removed
> -----------------------------------------------------------------
>
>                 Key: DROOLS-891
>                 URL: https://issues.jboss.org/browse/DROOLS-891
>             Project: Drools
>          Issue Type: Bug
>            Reporter: Mario Fusco
>            Assignee: Mario Fusco
>             Fix For: 6.3.0.CR2
>
>
> When an alpha node has more than one sink and it is used by only one rule doesn't get removed when the rule itself is removed. The following test case demonstrates the problem.
> {code}
>     @Test
>     public void testRemoveHasSameConElement() {
>         String packageName = "test";
>         String rule1 = "package " + packageName + ";" +
>                        "import java.util.Map; \n" +
>                        "rule 'rule1' \n" +
>                        "when \n" +
>                        " Map(this['type'] == 'Goods' && this['brand'] == 'a') \n" +
>                        " Map(this['type'] == 'Goods' && this['category'] == 'b') \n" +
>                        "then \n" +
>                        "System.out.println('test rule 1'); \n"+
>                        "end";
>         KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
>         kbuilder.add( ResourceFactory.newByteArrayResource( rule1.getBytes() ), ResourceType.DRL );
>         if ( kbuilder.hasErrors() ) {
>             fail( kbuilder.getErrors().toString() );
>         }
>         KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
>         kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
>         kbase.removeKnowledgePackage(packageName);
>         StatelessKnowledgeSession session = kbase.newStatelessKnowledgeSession();
>         session.execute(new HashMap());
>     }
> {code} 



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