Re: [rules-users] Rule activation when using from
Because it's not a fact, it's a global.
What i basically want to do is to have one rule being fired exactly once
for every call of fireAllRules(). The rule will operate on a global,
that is why i asked the question this way.
What would be the best/simplest way to fulfill that requirement? I know
this can be solved by inserting a fact before calling fireAllRules().
But i am looking for a solution which does not envolve "external" fact
insertion. It should be solved by the rules itself.
Any idea?
On 03/19/2013 02:43 PM, Wolfgang Laun wrote:
Since there's no way to achieve what you'd like to do:
why don't you simply retract and reinsert the Calendar
fact?
-W
On 19/03/2013, wumb <wumb(a)gameduell.de> wrote:
>
> Hi,
>
> is there a way to make drools re-evaluate the LHS of a rule when using
> from? What I try to achieve is, that following rule is evaluated for
> every call of fireAllRules() :
>
> global java.util.Calendar cal
>
> rule "test"
> when
> java.util.Calendar() from cal
> then
> System.out.println("here we go");
> end
>
>
> Drools evaluates the rule only in the first call of fireAllRules().
>
>
>
> Kind regards
>
>
>
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