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

[Mario Fusco (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mario Fusco closed DROOLS-891.
------------------------------
    Fix Version/s: 6.3.0.CR2
       Resolution: Done


Fixed by https://github.com/droolsjbpm/drools/commit/dd9c6e7a5

> 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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