[rules-users] Some serious problems while authoring rules

Mark Proctor mproctor at codehaus.org
Thu Jul 19 07:23:49 EDT 2007


You do understand that what you have there is a cross product, you'll 
need two objects to match against that - were you expecting this to wokr 
against and on the same single EMIAgainstProperty object?

Mark
Natraj Gudla wrote:
> I am facing some serious blocking issues while writing few rules. In 
> the rule below, a1, a2 are Double objects. When i have the first 
> statement in the rule " EMIAgainstProperty( obj : a1 )", the rule does 
> not fire....when i comment and re phrase the second line as emi : 
> EMIAgainstProperty( a2 >= ( *new* Double(10* 1.5 )) ), the rule is fired.
>  
> Why is the first line making the rule not to fire. I have reported a 
> similar problem yesterday, but could not find a resolution. On the 
> other hand, i am unable to refer a1 directly to say a1.doubleValue () 
> in the second line, it throws up and error. Any help??? What is the 
> way out?
> *
>
> rule
>
> * "Test" *when*
>
> EMIAgainstProperty( obj : a1 )
>
> emi : EMIAgainstProperty( a2 >= (
>
> *new* Double(obj.doubleValue() * 1.5 )) ) *then*
>
> System.out.println(
>
> " Passed ");*
>
> end
>
> *
> ------------------------------------------------------------------------
>
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>   

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