On Monday 07/07/2014 23:26, Davide Sottara wrote:
> I'll try to reproduce the exception with the rule and the data model.
> Meanwhile, could you share a self-contained unit test that reproduces
> the problem?
> That would speed up the fix process
> Thanks!
> Davide
Hmm. Worked out what is happening. The exception is triggered by these:
rule handleComplexFoodItemClash
enabled false
when
$first: ContextFoodItem( $item, true; )
$second: ContextFoodItem( this != $item, avoid == false )
isExampleOf( $second, $first; )
then
retract($second);
end
query isExampleOf (FoodItem $subject, FoodItem $category)
(
eval($subject == $category)
)
or
(
BroaderNarrower($broader, $subject;)
and
?isExampleOf($broader, $category;)
)
end
This is the last thing I was playing with, so maybe not surprising
there's an error (the exception arises because of the isExampleOf query
and is a simple bug for me to fix).
BUT BUT BUT I have "enabled false" as a rule attribute. Am I missing
something - I expected this to mean that the when part is never
evaluated, but it looks more like the when part is evaluated but
consequences are not added to the agenda. The documentation is
sufficiently terse that both viewpoints could be argued :(
Borris
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