How do you know that there is a transition fact in working memory before
(run) is executed?
Are there any updates of this transition fact and how are they being done?
Please confirm that you are not calling setSlotValue() on this fact when
it is already in working memory.
On Wed, Oct 29, 2008 at 3:01 PM, John Chrysakis <[EMAIL PROTECTED]>wrote:
>
> Well, when I Use the rule:
>
> (defrule trans-rule
> (transition (mode ?m))
> =>
> (printout t "mode=" ?m crlf)
> )
>
> Mode has normally the value that must have.
> But when I am trying to combine the slot mode with another pattern
> the rule never fires. Why??
>
> (defrule LightDimValueChanged-rule
> "Rule for receiving screenregionEvent"
> (transition (mode ?m)) <======== If i reject this line, everything
> is OK, WHY?
>
> (CurrentEvent {nameofevent == "LightDimValueChanged" }
> (nameofevent ?name) (emmiterofevent ?emit)(stateofevent ?state))
> => (bind ?topclass "Device") (bind ?property "dev_state")(bind
> ?typeofnewvalue "str") (printout t "LightDimValueChanged-rule Fired! ")
> (calling updateKB ?topclass ?property ?emit ?state ?typeofnewvalue)
> (printout t "Now Mode is" ?m crlf))
>
>
>
>
> On Wed, 29 Oct 2008, Ernest Friedman-Hill wrote:
>
> > You still haven't explained quite what the problem is. Are you saying
> > that yes, you are calling setSlotValue() on facts in working memory?
> > You can't do that; you must use Rete.modify() to make changes to
> > "live" facts. setSlotValue() is appropriate only for constructing
> > facts before they are asserted.
> >
> > On Oct 29, 2008, at 7:01 AM, John Chrysakis wrote:
> >
> > >
> > >
> > >
> > > On Tue, 28 Oct 2008, Wolfgang Laun wrote:
> > >
> > >> I've been trying to guess what's bothering you or what your
> > >> actual problem is, since setting a slot via setSlotValue doesn't
> > >> affect the way slots can be bound to variables in left hand side
> > >> patterns of rules.
> > >>
> > >> If you are having problems: You didn't use setSlotValue on
> > >> a fact that was already asserted into working memory?
> > >>
> > >
> > > That's right!!!
> > >
> > >
> > >
> > >> Or do you want to construct a rule by API calls??
> > >
> > > No I have a clp file where all my rules are located.
> > >
> > >
> > > Any help???
> > >
> > >
> > >> On Mon, Oct 27, 2008 at 12:46 PM, John Chrysakis <
> [EMAIL PROTECTED]
> > >> >wrote:
> > >>
> > >>>
> > >>> Hello,
> > >>>
> > >>> 1 simple question: i have created the following template:
> > >>>
> > >>> (deftemplate transition
> > >>> (slot mode)
> > >>>
> > >>> I set it's value via setSlotValue (java api)
> > >>>
> > >>> How can I bund the slot mode in a variable in order to
> > >>> use it in a defrule??
> > >>>
> > >>> Thanks in advance,,,
> > >>>
> > >>>
> > >>>
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> > >>
> > >
> > >
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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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