[rules-users] comparisons on Java primitive wrapper class types
Edson Tirelli
tirelli at post.com
Thu Mar 29 11:09:28 EDT 2007
Yes, this should not be raising errors.
Michael,
What was the conclusion of the discussion about null handling?
Thanks,
Edson
2007/3/28, wasabifan <bryan.rickman at kewill.com>:
>
>
> class MyObject {
> private Integer used;
> private Integer notUsed;
> // public setters/getters...
> }
>
> rule "1"
> when
> MyObject(used == 1)
> then
> // do something
> end
>
> rule "2"
> when
> UnrelatedObject(data == 5)
> MyObject(notUsed == 2)
> then
> // do something else
> end
>
> Basically, I am trying to create JUnit test cases to test each of the
> rules
> functionality. So I would instantiate and object, set the required data
> to
> fire a rule, assert the object and fire all rules. So when setting
> MyObject.used = 1, then asserting that fact...it appears that rule 2 would
> complain that notUsed is null (even though I do not have an asserted fact
> where UnrelatedObject(data == 5).
>
> Does this make sense? I know this is sort of pseudo code thrown together
> quickly, but I think that explains what I was experiencing. If not, I can
> go back to get some of the actual code, but that would be much longer.
>
> Thanks,
> Bryan
>
>
> Edson Tirelli-3 wrote:
> >
> > Can you please provide one example for us to understand better the
> > case?
> >
>
> --
> View this message in context:
> http://www.nabble.com/comparisons-on-Java-primitive-wrapper-class-types-tf3481733.html#a9721787
> Sent from the drools - user mailing list archive at Nabble.com.
>
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--
Edson Tirelli
Software Engineer - JBoss Rules Core Developer
Office: +55 11 3124-6000
Mobile: +55 11 9218-4151
JBoss, a division of Red Hat @ www.jboss.com
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