2010/2/3 Brice Figureau <brice+drools@daysofwonder.com>

Hi,

I have the following MVEL expression in a rule (with drools 5.1.0M1):

Scenario( id == 6147 )

Scenario is an interface which has the following accessor (and tons of
other methods):

public interface Scenario
{
...
       public int getId();
...
}

But either in Eclipse or when compiling the rules I get the following
error:
Unable to create Field Extractor for 'id' of '[ClassObjectType class=com.daysofwonder.mm.Scenario]'

I tried tons of variants including:
Scenario( getId == 6147 )
that still doesn't work.

The only variant I could make work is:

$s : Scenario( )
Scenario ( eval($s.getId() == 6147 ) )

which is plain ugly.

using something else than a Scenario or defining a new interface with
only getId() in it makes it work.

Any idea about what I got wrong?
How can I debug the situation?

Thanks,
--
Brice Figureau
My Blog: http://www.masterzen.fr/

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