When an event comes, check the type. WHen a fact is asserted, you'll
get the constant JessEvent.FACT; if it's being retracted, the type is
JessEvent.FACT + JessEvent.REMOVED .
On Oct 30, 2008, at 11:30 AM, levent kent wrote:
Hello,
one can catch the asserted and retracted facts in the knoledgebase
by setting the event mask to JessEvent.FACT.
How about catching only asserted facts(not retracted) or is there
anyway to discriminate between them?
thanks,
--
Levent Kent
---------------------------------------------------------
Ernest Friedman-Hill
Informatics & Decision Sciences, Sandia National Laboratories
PO Box 969, MS 9012, Livermore, CA 94550
http://www.jessrules.com
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