[rules-users] How to make a rule only executed once?

[David Sinclair]

That is correct. So u want a rule to only fire one time for the life time of
the system? I have never heard of a requirement like that before :)

On Thu, Apr 16, 2009 at 3:31 AM, Brody bach <brodybach at yahoo.com> wrote:

>
> Hi David,
> thanks for reply...
> does this mean, the inserted object will stay only within the session?
> and the rule will be checked against again if I use a new session?
> Thanks
>
> Brody
>
>
> dave sinclair wrote:
> >
> > Check for the non-existence of a fact specific to the rule on the LHS.
> > When
> > the rule fires, assert the fact to ensure it never fires again. For
> > example
> >
> > rule "Foo"
> >    when
> >           not Fired(rule == "foo")
> > ....
> >    then
> >       insert(new Fired("foo"));
> >     ...
> > end
> >
> > On Wed, Apr 15, 2009 at 11:53 AM, Brody bach <brodybach at yahoo.com>
> wrote:
> >
> >>
> >> Hi all,
> >>
> >> Is there any way how I make a rule only executed once( i.e. if it has
> >> fired
> >> once, no other facts should be checked against it)
> >>
> >> Thanks for any hints
> >> Regards
> >> Brody
> >> --
> >> View this message in context:
> >>
> http://www.nabble.com/How-to-make-a-rule-only-executed-once--tp23061727p23061727.html
> >> Sent from the drools - user mailing list archive at Nabble.com.
> >>
> >> _______________________________________________
> >> rules-users mailing list
> >> rules-users at lists.jboss.org
> >> https://lists.jboss.org/mailman/listinfo/rules-users
> >>
> >
> > _______________________________________________
> > rules-users mailing list
> > rules-users at lists.jboss.org
> > https://lists.jboss.org/mailman/listinfo/rules-users
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/How-to-make-a-rule-only-executed-once--tp23061727p23072887.html
> Sent from the drools - user mailing list archive at Nabble.com.
>
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/rules-users/attachments/20090416/a54ae39f/attachment.html