[rules-users] Evaluating an attribute of an object in Arraylist

[Edson Tirelli]

   Use the "from" CE. Something like:

Fact( ... ) from yourGlobalList


2007/9/27, Rafael Alcemar <rafael.alcemar at gmail.com>:
>
> Rafael Alcemar escreveu:
> > Thanks for your answer but I forgot to say that I want to use the
> > gloabal variable *locacoes*. *locacoes *is an ArrayList containing a
> > list of umLocacaoImediata. How do I iterate over *locacoes* and
> > discover if there is an object with the same name of the variable
> > $motorista???
> >
> > Thanks!
> > Rafael Alcemar
> >
> > Chris Woodrow escreveu:
> >> Hi,
> >> Doesn't (client == $motorista.nome) work?
> >>
> >> 2007/9/26, Rafael Alcemar <rafael.alcemar at gmail.com
> >> <mailto:rafael.alcemar at gmail.com>>:
> >>
> >>     Hello guys, i'm trying to seek an object in an ArrayList, but I
> >>     don't know how I do it. I'm inserting this list as a global
> >>     variable into drools, but I'd like to check if there is an ojbect
> >>     in this list with a specific name. Could Anybody help me? The
> >>     code is below:
> >>
> >>     global java.util.List locacoes
> >>
> >>     rule "Cliente pode alugar"
> >>         when
> >>             $motorista : umMotorista()
> >>     //        $list : ArrayList() from collect( umLocacaoImediata(
> >>     cliente == $motorista(nome) ) )
> >>         then
> >>             $motorista.setPodeAlugar(false);
> >>             System.out.println($motorista.getNome() + " já possui uma
> >>     alocacao");
> >>             update($motorista);
> >>     end
> >>
> >>     I'm trying to compare the attribute cliente from
> >>     umLocacaoImediata with the attribute nome from motorista. How do
> >>     I do it?
> >>
> >>     If anybody can help me with the right way to do it, answer this
> >>     mail, please.
> >>
> >>     Rafael Alcemar
> >>
> >>     _______________________________________________
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> >>     rules-users at lists.jboss.org <mailto:rules-users at lists.jboss.org>
> >>     https://lists.jboss.org/mailman/listinfo/rules-users
> >>
> >>
> >>
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>
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-- 
  Edson Tirelli
  Software Engineer - JBoss Rules Core Developer
  Office: +55 11 3529-6000
  Mobile: +55 11 9287-5646
  JBoss, a division of Red Hat @ www.jboss.com
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