[rules-users] Check if fact is subset of items in the rule

[Wolfgang Laun]

I think I have pointed you to my implementation of a custom operator doing
set operations.
What keeps you from adopting this technique?
-W


2010/10/11 Kumar Pandey <kumar.pandey at gmail.com>

> Posting a new thread for this specific problem that has been a head
> scratcher for me for days now.
>
> Here is the problem space.
>
> I have a rule that can have a superset of elements such as say "String1",
> "String2", "String3" , "String4". These are known in rule creation time.
>
> Fact can have subset say "String1", "String4"
>
> How can I form a drl to check to verify that fact is a subset of elements
> in the rule?
>
> I need to not fire the rule if fact is a subset but I should  be able to
> add a not if I can first figure out if it is a sub set.
>
> Any help would be greatly appreciated.
>
> Thanks
> Kumar
>
>
>
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