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).
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 <payakahn@gmail.com>:
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
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3529-6000
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