[rules-users] Collect Function

[Ronald R. DiFrango]

Edson,

Dulp...you just made me realize what the issue is.  Stupid Developer!

Thanks!

Ron

On Jan 11, 2008 2:04 PM, Edson Tirelli <tirelli at post.com> wrote:

>
>    Ronald,
>
>    you are doing:
>
> ArrayList( size == 0 )
>
>    Am I missing anything?
>
>    []s
>    Edson
>
> 2008/1/11, Ronald R. DiFrango < ron.difrango at gmail.com>:
> >
> > All,
> >
> > I have the following rule which uses the collect function:
> >
> > rule "Invalid RR Line"
> >     salience 100
> >
> >     when
> >         rrDetailLine : DetailLine(detailKeyRecNo:keyRecNo != null,
> > lineNumber != null )
> >         rrHeader : ArrayList( size == 0 ) from collect(RrHeader(
> > keyRecNo != detailKeyRecNo ))
> >     then
> >         // logger.debug("Invalid RR Line: " + rrHeader.size());
> >         logger.debug("Invalid RR Line: " + rrDetailLine.getKeyRecNo());
> >         logger.debug("Invalid RR Line: " + rrDetailLine.getLineNumber
> > ());
> >         drools.halt();
> > end
> >
> > What I am seeing is that if I only have 1 RrHeader in working memory
> > this rule fails.  Th reason I know that there is an RrHeader object is that
> > I change the rule to the following:
> >
> > rule "Invalid RR Line"
> >     salience 100
> >
> >     when
> >         rrDetailLine : DetailLine(detailKeyRecNo:keyRecNo != null,
> > lineNumber != null )
> >         rrHeader : RrHeader( keyRecNo != detailKeyRecNo )
> >     then
> >         // logger.debug("Invalid RR Line: " + rrHeader.size());
> >         logger.debug("Invalid RR Line: " + rrDetailLine.getKeyRecNo());
> >         logger.debug("Invalid RR Line: " + rrDetailLine.getLineNumber
> > ());
> >         drools.halt();
> >
> > end
> >
> > And it worked just fine.
> >
> > Thoughts?
> >
> > Ron
> >
> > _______________________________________________
> > rules-users mailing list
> > rules-users at lists.jboss.org
> > https://lists.jboss.org/mailman/listinfo/rules-users
> >
> >
>
>
> --
>   Edson Tirelli
>   JBoss Drools Core Development
>   Office: +55 11 3529-6000
>   Mobile: +55 11 9287-5646
>   JBoss, a division of Red Hat @ www.jboss.com
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