The Jess User Manual 5.3.2 explains about the OBJECT slot in shadow facts
which you
get in addition to those derived from the Java class fields. It contains a
reference to the
Java object. Chapter 8 contains details about calling methods on Java
objects.
For instance,
(?door setState "open")
is equivalent to Java's
Door door = ...;
...
door.setState( "open" );
On Mon, Nov 17, 2008 at 2:35 PM, John Chrysakis <[EMAIL PROTECTED]>wrote:
>
> And what door symbols?? Could you be more specific
> of using OBJECT ?door please?
>
>
> One of my ideas is to pass the name of each instance a
>
> On Mon, 17 Nov 2008, Ernest Friedman-Hill wrote:
>
> > (defrule open-door
> > (Door {state == "closed"} (OBJECT ?door))
> > =>
> > (?door setState "open"))
> >
> > On Nov 17, 2008, at 5:33 AM, John Chrysakis wrote:
> >
> > >
> > > Hello to jess community,
> > >
> > > I am having a question.
> > >
> > > Till now I have used shadow facts through jess api to develop a rule
> > > base system. In eaSrch defrule where I need one slot the corresponding
> > > getXXX method was called to retrieve its value. e.g getstate() for
> > > the slot state.
> > > Example of defrule: (Door {state == "closed"}) => ...
> > >
> > >
> > > Now I need to set the slot from a defule. How Can I Do that?
> > > I have a setstate method but how should I write the rule?
> > >
> > > thanks in advance!
> > >
> > >
> > > John CH.
> > >
> > >
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> >
> > ---------------------------------------------------------
> > 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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