That is a strange request, since if ClassB inherits ClassA => ClassB is
a specialization of ClassA.
Anyway, did you tried something like bellow?
ClassA( class != ClassB.class )
This does not look like a "business" rule, though... but I don't know
your use case...
[]s
Edson
2009/2/12 <[email protected]>
>
> I have two classes, ClassA and ClassB. ClassB inherits from ClassA. I
> have a need to write a rule that only matches instances of ClassA without
> matching instances of ClassB. How I can I do that?
>
> Thanks
>
> Kent Symanzik
>
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>
--
Edson Tirelli
JBoss Drools Core Development
JBoss, a division of Red Hat @ www.jboss.com
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