[jboss-jira] [JBoss JIRA] (DROOLS-2456) Missing beta node sharing
Mario Fusco created DROOLS-2456:
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Summary: Missing beta node sharing
Key: DROOLS-2456
URL: https://issues.jboss.org/browse/DROOLS-2456
Project: Drools
Issue Type: Bug
Components: core engine
Reporter: Mario Fusco
Assignee: Mario Fusco
The constraints of a beta node are reordered (based on their indexability) only when the
node is attached to the rete network. This means that when a second not yet attached node
is compared to the former one it is found not equal (and then not shared) because of the
different constraints ordering as demonstrated by the following test case
{code}
@Test
public void testShareBetaWithConstraintReordering() {
String str =
"import " + Person.class.getCanonicalName() + ";" +
"rule R1 when\n" +
" $s : String()\n" +
" $p : Person(name != $s, age == $s.length)\n" +
"then\n" +
"end\n" +
"rule R2 when\n" +
" $s : String()\n" +
" $p : Person(name != $s, age == $s.length)\n" +
"then\n" +
"end";
KieSession ksession = getKieSession( str );
assertEquals( 1, ReteDumper.collectNodes( ksession ).stream().filter(
BetaNode.class::isInstance ).count() );
EntryPointNode epn = (( InternalKnowledgeBase )
ksession.getKieBase()).getRete().getEntryPointNodes().values().iterator().next();
ObjectTypeNode otn = epn.getObjectTypeNodes().get( new ClassObjectType(
Person.class ) );
assertEquals( 1, otn.getSinks().length );
}
{code}
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