[rules-users] [rule-users]RunTime polypmorphic support in 3.0.6?
Edson Tirelli
tirelli at post.com
Sun May 20 10:48:23 EDT 2007
Hi,
Sorry, I did not understood your question, but I guess you are asking
about facts matching ObjectTypeNodes of super classes. The answer is yes, it
works:
public class A {}
public class B extends A {}
public class C extends A {}
If you have a rule saying
rule XXX
when
A ()
then
// do something
end
The rule will fire for all facts of class A, B and C, as B and C are
subclasses of A. It is like if you did an "instanceof" to know what rules
will fire and what will not.
Hope that is what you were asking.
[]s
Edson
2007/5/20, Sikkandar Nawabjan <Sikkandar.Nawabjan at ustri.com>:
>
> Hi,
> I have a query. am using Drools 3.0.6.
> i have a ObjectA and ObjectB and ObjectC.
> ObjectB and OBjectC inherits Object A.
> am using seperate drl file for objectA, objectB and objectC.
> i need to use the DRL pertain to ObjectA when validate ObjectB and
> ObjectC.
> So when i check the object say ObjectB which i asserted in working memory,
> can i assume that ObjectA also available implitcitly?
> The rules associated with ObjectA will fire when I assert just OBjectB?
> Please clarify
> Thanks and Regs,
> Basha
>
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> rules-users at lists.jboss.org
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>
--
Edson Tirelli
Software Engineer - JBoss Rules Core Developer
Office: +55 11 3529-6000
Mobile: +55 11 9287-5646
JBoss, a division of Red Hat @ www.jboss.com
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