[jboss-jira] [JBoss JIRA] (DROOLS-42) Equality comparison between classes of different types compiles but fails at runtime

[Mario Fusco (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-42?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mario Fusco resolved DROOLS-42.
-------------------------------

    Resolution: Done


fixed with mvel 2.1.5.Final
                
> Equality comparison between classes of different types compiles but fails at runtime
> ------------------------------------------------------------------------------------
>
>                 Key: DROOLS-42
>                 URL: https://issues.jboss.org/browse/DROOLS-42
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>            Reporter: Mario Fusco
>            Assignee: Mario Fusco
>
> Below is a fully self-contained DRL that compiles correctly but runs into a runtime error when the LHS of rule "match" is evaluated. The "culprit" is the test "this != $c", but one would expect simply a true result from the comparison.
> {code}
> declare Person
>   name: String
> end
> declare Customer
> extends Person
>   rating: int
> end
> declare Employee
> extends Person
>   wage: int
> end
> rule initphone
> salience 100
> when
> then
>     insert( new Customer( "Joe", 100 ) );
>     insert( new Employee( "Paul", 2100 ) );
> end
> rule match
> when
>     $c: Customer()
>     $e: Employee( this != $c )
> then
>     System.out.println( "c/e " + $c + " " + $e );
> end
> {code}

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