I think Mark Egloff wrote: > Thank you again for your answers. I snipped some text and ask some > more questions. > > >> Could you also provide me an example how I could increment a value > >> "amount" for an unordered fact like this: > >> > >> (event (type A) (amount 2)) > >> > > This is an unordered fact, so you may be getting your terms mixed up. > > I also have written that is an unordered fact, however does not matter.
I was confused because in the preceding part of you message you were asking for a way to modify an ordered fact, and so I wasn't sure if there was a terminology problem. > > I am looking still for a simpler way to increment a value from an > unordered a fact. Exists there one in Jess?. If not, exists a way to > access a fact through java and modify it while this fact is already in > Jess asserted? I'm not sure what you're asking -- something besides this? (defrule my-rule (?e <- event (type A) (amount ?a)) => (modify ?e (amount (+ ?a 1)))) > > This requires also that the rule is a kind of trigger and executes a > java code. Is this possible? It's easy to execute Java code from Jess, as described in the manual. --------------------------------------------------------- Ernest Friedman-Hill Distributed Systems Research Phone: (925) 294-2154 Sandia National Labs FAX: (925) 294-2234 PO Box 969, MS 9012 [EMAIL PROTECTED] Livermore, CA 94550 http://herzberg.ca.sandia.gov -------------------------------------------------------------------- To unsubscribe, send the words 'unsubscribe jess-users [EMAIL PROTECTED]' in the BODY of a message to [EMAIL PROTECTED], NOT to the list (use your own address!) List problems? Notify [EMAIL PROTECTED] --------------------------------------------------------------------
