[rules-users] Property Navigation
Michael B.
michael.bain at mckesson.com
Tue May 6 19:09:04 EDT 2008
Alessandro:
I wrote a test case and some classes around your example and mailed them to
you, I was not able to get them to post on this list for some reason.
Thanks...Michael
Alessandro Lazarotti wrote:
>
>
>
>
>
>
>
> Hi, Michael...
> The code that I wrote has a property "name" and not "nome". Sorry, the
> example not is the same that the Exception.
> But ocurr the same error.
>
> org.drools.RuntimeDroolsException: Exception executing predicate
> org.drools.base.mvel.MVELPredicateExpression at 18488ef
> Caused by: org.mvel.CompileException: unable to resolve property: name
> Caused by: org.mvel.PropertyAccessException: unable to resolve
> property:name
>
>
>
>
> Michael B. escreveu:
>
> According to your error it appears you had a typo somewhere. The error
> you
> pasted in was looking for the property nome instead of name.
>
>
>
> Alessandro Lazarotti wrote:
>
>
> If I've the simple classes:
>
> public class ObjectBar{ public String name; gets/sets}
>
> public class ObjectFoo{ public ObjectBar bar; gets/sets }
>
> ... and ObjectFoo this in WorkingMemory.
>
> It's not possible navigate in objectFoo for make constraint in objectBar?
> Example:
>
> rule "Teste"
> no-loop true
> when
> $foo: ObjectFoo(objectBar.name != "foobar")
> then
> System.out.println($foo);
> end
>
> ... but:
> org.drools.RuntimeDroolsException: Exception executing predicate
> org.drools.base.mvel.MVELPredicateExpression at 18488ef
> Caused by: org.mvel.CompileException: unable to resolve property: nome
> Caused by: org.mvel.PropertyAccessException: unable to resolve property:
> nome
>
> Thanks
> Alessandro Lazarotti
>
>
>
>
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