The statements inside eval() are java statements, not DRL statements.
In java "!=" means "not the same instance" (while in DRL "!=" means "not
equal").
Try eval(!$roomCurriculumCode.equals($currCode))
HTH :)
With kind regards,
Geoffrey De Smet
Op 06-10-10 07:09, Joshua Daniel schreef:
> Hi,
>
> I have the following rule and roomCurriculumCode and currCode are of
> type String. If the check is equals "insertLogical" never happens, but
> if the the codes are not equal as expressed below the "insertLogical" is
> performed even if the strings are equal. What am I missing here
>
> rule "RoomAndCurriculum"
> when
> $room : Room($roomCode : code, $roomCapacity : capacity,
> $roomCurriculumCode : curriculumCode);
> $curriculum : Curriculum($currCode : code);
> eval($roomCurriculumCode != $currCode)
> then
> insertLogical(new IntConstraintOccurrence("RoomAndCurriculum",
> ConstraintType.NEGATIVE_HARD, 1, $roomCapacity, $room, $currCode,
> $roomCurriculumCode));
> end
>
> -jd
>
>
>
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