If you're using Java dialect, you should be able to use eval (for which I
think MVEL provides syntax sugar???):-
rule "Test"
when
$e : Especialista()
eval($retratoUser.lstCarac.get(0).codCarac != 0 )
then
System.out.println ("test");
end
or return value expressions (if I'm correct):-
rule "Test"
when
$e : Especialista( ($retratoUser.lstCarac.get(0).codCarac != 0 ) )
then
System.out.println ("test");
end
Somebody correct me if I'm completely wrong (I'm trying to refresh myself
following a stay of absence).
_____
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Edson Tirelli
Sent: 03 October 2007 01:40
To: Rules Users List
Subject: Re: [rules-users] Using java.util.List in rules
You can't explicitly call methods in the field name. Use MVEL special
notation for lists:
e : Especialista(retratoUser.lstCarac[0].codCarac != 0)
[]s
Edson
2007/10/2, Anderson Pazza Mello <[EMAIL PROTECTED]>:
Hi everyone,
I'm trying to use a java.util.List like this:
rule "Test"
when
e : Especialista(retratoUser.lstCarac.get(0).codCarac != 0)
then
System.out.println ("test");
end
The property lstCarac is a java.util.List<Caracteristica>. I'm getting this
error :
org.drools.rule.InvalidRulePackage: [18,44]: unknown:18:44 Unexpected token
'0'[18,46]: unknown:18:46 Unexpected token '.'
at org.drools.rule.Package.checkValidity(Package.java:419)
Someone knows what i have to do to fix the problem??
--
Anderson Pazza Mello
Tecnologia em Informática - UFPR
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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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