[JBoss JIRA] (DROOLS-5023) executable model doesn't fire when Or with trimmed duplicate constraints

Thursday, 6 February 2020



    [
https://issues.redhat.com/browse/DROOLS-5023?page=com.atlassian.jira.plug...
] 

Toshiya Kobayashi commented on DROOLS-5023:
-------------------------------------------

ReteDumper shows that the AlphaNode are not shared
{noformat}
[EntryPointNode(1) EntryPoint::DEFAULT ]
    [ObjectTypeNode(2)::EntryPoint::DEFAULT objectType=[ClassObjectType
class=org.drools.core.reteoo.InitialFactImpl] expiration=-1ms ]
    [ObjectTypeNode(3)::EntryPoint::DEFAULT objectType=[ClassObjectType
class=org.drools.modelcompiler.domain.Person] expiration=-1ms ]
        [AlphaNode(13) constraint=Constraint for
'2775D4065FCB4B990148A0A19FFDC558' (index: AlphaIndex #14 (EQUAL, left: lambda
267098351, right: Mario))]
            [LeftInputAdapterNode(14)]
                [RuleTerminalNode(15): rule=R2]
        [AlphaNode(7) constraint=Constraint for '593440B7603CA900F1A34F18497AB0EA'
(index: AlphaIndex #14 (EQUAL, left: lambda 267098351, right: Mario))]
            [LeftInputAdapterNode(8)]
                [RuleTerminalNode(9): rule=R1]
        [AlphaNode(10) constraint=Constraint for
'85DD981B78E0370C2E48B21F2BB8D1DF' (index: AlphaIndex #14 (EQUAL, left: lambda
267098351, right: Mark))]
            [LeftInputAdapterNode(11)]
                [RuleTerminalNode(12): rule=R2]
        [AlphaNode(4) constraint=Constraint for '7A9C8DF5A1F36ECE3F75D8DA7E5C8E40'
(index: AlphaIndex #14 (EQUAL, left: lambda 267098351, right: Mark))]
            [LeftInputAdapterNode(5)]
                [RuleTerminalNode(6): rule=R1]
{noformat}

...
 executable model doesn't fire when Or with trimmed duplicate
constraints
 ------------------------------------------------------------------------

                 Key: DROOLS-5023
                 URL: https://issues.redhat.com/browse/DROOLS-5023
             Project: Drools
          Issue Type: Bug
          Components: executable model
    Affects Versions: 7.32.0.Final
            Reporter: Toshiya Kobayashi
            Assignee: Luca Molteni
            Priority: Major

 With a rule like this, (see that the second rule's constraints are trimmed)
 {noformat}
 rule R1 when
    Person( $name: name == "Mark", $age: age ) or
    Person( $name: name == "Mario", $age : age )
 then
   list.add( $name + " is " + $age);
 end
 rule R2 when
    $p: Person( name=="Mark", $age: age ) or
    $p: Person( name=="Mario", $age : age )
 then
   list.add( $p + " has " + $age + " years");
 end
 {noformat}
 when you insert a fact,
 {code:java}
 ksession.insert( new Person( "Mark", 37 ) );
 {code}
 only one rule fires. 


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