Hi,
Thank you for the advice, I am able to print the
activated facts out.
I have this one last question. How can I get the
activated facts out into Java variable? I need to show
the activated facts to user, the result or asserting a
query to knowledge.
Do I need to grab by attribs=* using string pattern
matching? I tried Iterator i = r.listActivations(),
but I do not know how to populate the Iterator
contents out. Please advice.
-------------------------
Fact-id=<Fact-2>
id=2
attribs=control-message-frequency
-------------------------
Fact-id=<Fact-1>
id=1
attribs=low-budget
f-0 (MAIN::initial-fact)
f-1 (MAIN::adv-attributes (id 1) (attribs
low-budget))
f-2 (MAIN::adv-attributes (id 2) (attribs
control-message-frequency))
For a total of 3 facts.
--- [EMAIL PROTECTED] wrote:
> I think calvin pevee wrote:
> >
> > r.executeCommand("(defrule show-adv-attributes" +
> > //"?fact <- (adv-attributes (id ?id)
> ...
> >
> > Java throws me this exception:-
> >
> > Jess reported an error in routine
> Jesp.parseDefrule.
> > Message: Expected '=>' .
> > Program text: ( defrule show-adv-attributes?fact
> <-
> > at line 1.
> >
> >
>
> Look at the error message. See how
> "show-adv-attributes?fact" is
> smooshed together? In assembling your String, you've
> neglected to put
> a space or newline in between the name of the rule
> and the variable
> that first pattern is bound to. '?' is a legal
> character in names
> (for better or for worse.) So anyway, that's why
> there's an error on
> this rule.
>
> There no difference at all between the syntax
> accepted by
> "executeCommand()" and the syntax you use in a .clp
> file -- the same
> parser reads them both.
>
>
>
---------------------------------------------------------
> Ernest Friedman-Hill
> Advanced Software 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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