I think Shoeb Bhinderwala wrote:
> How do I match a property of a property of a Java Bean
> in a Jess rule and bind it to a variable?
[...]
>
> /* assert Trade */
> Funcall lFuncall = new Funcall("definstance", mRete);
> lFuncall.add(new Value(aName, RU.ATOM));
> lFuncall.add(new Value(aTrade));
> lFuncall.execute(mRete.getGlobalContext());
>
Note that the Rete class has a public definstance() method now -- you
can just say
mRete.definstance(aName, aTrade, true);
[...]
> Why doesn't Jess accept the following:
> (defrule is-cash
> (trade (requestId ?requestId) (security ?security))
> (?security (secType "CASH"))
[...]
Every defclass gets a slot OBJECT, and the shadow facts use this to
hold a reference to the represented object; so you write your rule as
(defrule is-cash
(trade (requestId ?requestId) (security ?security))
(security (OBJECT ?security) (secType "CASH"))
...
---------------------------------------------------------
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
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