[jboss-jira] [JBoss JIRA] Commented: (JBRULES-1451) LHS expression comparing a Boolean to a String does not fail but always returns true

Edson Tirelli (JIRA) jira-events at lists.jboss.org
Thu Feb 7 08:14:03 EST 2008


    [ http://jira.jboss.com/jira/browse/JBRULES-1451?page=comments#action_12398682 ] 
            
Edson Tirelli commented on JBRULES-1451:
----------------------------------------

Sorry, I meant:

Boolean.FALSE.booleanValue() == Boolean.valueOf( "foo" ).booleanValue()


> LHS expression comparing a Boolean to a String does not fail but always returns true
> ------------------------------------------------------------------------------------
>
>                 Key: JBRULES-1451
>                 URL: http://jira.jboss.com/jira/browse/JBRULES-1451
>             Project: JBoss Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 4.0.3, 4.0.4
>         Environment: Eclipse IDE Version: 3.3.0 Build id: M20070921-1145
> Windows XP Professional SP2 
>            Reporter: Len Carlsen
>         Assigned To: Edson Tirelli
>
> LHS expression comparing a Boolean to a String does not fail but always returns true.
> Example:
> --------------------------------------------------------------------------------------------------------------------------
> Modified the Drools HelloWorldExample and changed the status from an int to a boolean.
> import org.drools.examples.HelloWorldExample.Message;
> rule "Hello World"
>     when
>         m : Message( status == "hello", message : message )
>     then
>         System.out.println( message ); 
> end
> public static class Message {
>         public static final boolean HELLO   = false;
>         public static final boolean GOODBYE = true;
>         private String message;
>         private Boolean status;
>         public Message() {}
>         public String getMessage() { return this.message; }
>         public void setMessage(final String message) { this.message = message; }
>         public boolean getStatus() { return this.status; }
>         public void setStatus(final boolean status) { this.status = status; }
> }
> final Message message = new Message();
> message.setMessage( "Hello World" );
> message.setStatus( Message.HELLO );
> final StatefulSession session = ruleBase.newStatefulSession();
> session.insert( message );
> session.fireAllRules();

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