[rules-users] Collect all occurrences of resulting data.

[Ephemeris Lappis]

Hello.

Thanks for this advice.

I've tried it with a small test case, and it actually works fine : the 
collecting rule seems to be fired at the end.

Nonetheless, I'm not confident at all with salience, since in my real 
use case I have many rules before and after that, and I worry that 
salience might move the problem elsewhere, and values must be set to all 
of them to ensure they're all executed according to the expected order.

At this moment, the rules before the collecting rule also produce facts 
that are expected by the rules that follow it, and, I suppose, it's for 
that reason that all the ending part of the job is executed after the 
correct collection of the intermediary results.

Another alternative ?

Thanks again.

Regards



Ephemeris Lappis

Le 21/04/2014 13:11, laune [via Drools] a écrit :
> This is one of the (rare) cases where I'd advocate salience.
>
> rule "Collect results when complete"
> salience -999999
>     when
>                 $all : List from collect(Result())
>     then
>             ...do something with $all...
> end
>
> -W
>
>
> On 21/04/2014, Ephemeris Lappis <[hidden email] 
> </user/SendEmail.jtp?type=node&node=4029298&i=0>> wrote:
>
> > Hello.
> >
> > I'm looking for the better way to write a rule that collects data 
> only when
> > they have been all processed.
> >
> > For example, two input objects classes as facts : *Data* and 
> *Category*.
> >
> > I declare a local type to memorize the result of the evaluation for 
> each
> > pair of fact.
> >
> >
> >
> > Some rule evaluates the Cartesian product of all *Data* by all 
> *Category* :
> >
> >
> >
> > Now I want to collect all the results, but only when the previous 
> rule has
> > been fired for all the data.
> > Something like :
> >
> >
> >
> > Any advice ?
> >
> > Thanks in advance for your help.
> >
> > Regards.
> >
> >
> >
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