JESS: RE: Welcome to jess-users

[chris poppe]

Hello I'm facing the following problem, I'm trying to insert an object into
jess, firing a rule on it wich then returns this object.
Here's the rule:

(defrule petstore
 ( card (name ?name)(item1 ?item1) (message ?message) (item2 ?item2)
(count1 ?count1) (count2 ?count2) (OBJECT ?cart) )
 (test (> ?count1 2))
  =>
   (printout t "More then 2 !" (get ?cart message) crlf)
  (printout t " Number of " ?item1 " = " ?count1 ", number of " ?item2 " 
="?count2 crlf )
      (store SHOP ?cart)
  )

but something goes wrong :the rule is fired twice with only one object?

I know it has something to do with the (OBJECT ?cart) but I couldnt think of
a  different way to send the object from jess to the java code.
java code :

ShoppingCard sh = new ShoppingCard("petstore1");
 Rete rete = new Rete();
// Read in the rules
  rete.executeCommand("(batch 
D:/school/Jess61p6/Jess61p6/jess/examples/xfer/xferCard.clp)");
    rete.executeCommand("(reset)");

   rete.reset();

Funcall f = new Funcall("definstance", rete);
       f=new Funcall("definstance", rete);
       f.add(new Value("card", RU.ATOM));
       f.add(new Value(sh));
       f.execute(rete.getGlobalContext());
rete.run();
  Value shop = rete.fetch("SHOP");
  ShoppingCard shopping = (ShoppingCard)shop.externalAddressValue(
  rete.getGlobalContext());
hope someone can help me,
greetings Chris
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