Hello, I've tried both of them (deftemplates or defclass)
but I am getting the same: Message: Cannot redefine deftemplate MAIN::painting any ideas? On Wed, 1 Apr 2009, Wolfgang Laun wrote: > You may also use deftemplate, e.g. > (deftemplate painting extends artifact (declare (from-class painting))) > > The pros and cons for either form are discussed in the Jess manual, 5.3.1 > > Also note that, from Jess, you don't need to go the roundabout way using > OBJECT; > you can modify the slot in the Shadow Fact, and the Java object will be > updated > automatically. > > -W > > On Tue, Mar 31, 2009 at 9:15 PM, <[email protected]> wrote: > > > I think the "extends" in the defclass is what you want. > > > > (defclass artifact artifact) > > (defclass painting painting extends artifact) > > (defclass statue statue extends artifact) > > > > -Russ > > > > -----Original Message----- > > From: [email protected] [mailto:[email protected]] > > On Behalf Of John Chrysakis > > Sent: Tuesday, March 31, 2009 11:50 AM > > To: [email protected] > > Subject: JESS: Inheritance in Deftemplates > > > > > > Hello again, > > > > I have the Java classes painting,statue which extend the class artifact. > > I need to model them in deftemplates in such a way that I could get both > > of instances with one defrule: > > > > (defrule checkAPP > > > > "Setting a property for all instances" > > (artifact (OBJECT ?art) ) > > > > => > > (?art setDatatypeProperty_1 "OK") > > (update ?art) > > ) > > > > > > How I can do that? > > > > thanks in advance, > > John. > > > > > > > > -------------------------------------------------------------------- > > 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]. > > -------------------------------------------------------------------- > > > > > > > > -------------------------------------------------------------------- > > 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]. > > -------------------------------------------------------------------- > > > > > -------------------------------------------------------------------- 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]. --------------------------------------------------------------------
