Edson Tirelli-3 wrote:
>
> What about:
>
> Number( intValue > 1 ) from accumulate(
> LabEvent( eval( dateWithinLastMonths(effectiveTime,1)), results :
> laboratoryResult ) and
> LabResult( value > 1.8 ) from results,
> count( 1 ) )
>
> Accumulate supports multiple patterns and has the count() function.
>
> Try it out and let us know.
>
> []s
> Edson
>
> 2008/7/29 Yoni Mazar <
y.mazar@gmail.com>
>
>>
>> Hi all,
>>
>> Our object deals with the clinical domain. We have a class LabEvent that
>> represents a visit in the laboratory. Each event is associated (using the
>> laboratoryResult association) with one or more LabResult objects
>> (children),
>> each represents the results of a particular test.
>> in the rule LHS we want to express the following condition:
>> "At least two LabEvents in the last month, with a LabResult with value
>> greater than 1.8"
>> of note, the application asserts the LabEvent objects to the
>> workingMemory.
>>
>> in DRL we tried to write it as:
>> ArrayList(size>1) from collect(
>> LabEvent(eval( dateWithinLastMonths(effectiveTime,1)),
>> results:laboratoryResult)
>> LabResult( value >1.8) from results)
>>
>> Of course, the problem is that collect expects a single pattern...
>>
>> Does anyone has a simple idea how to express this business logic?
>>
>> Thanks, Yoni
>> --
>> View this message in context:
>>
http://www.nabble.com/count-with-nested-condition-tp18710506p18710506.html
>> Sent from the drools - user mailing list archive at Nabble.com.
>>
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>>
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>>
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>>
>
>
>
> --
> Edson Tirelli
> JBoss Drools Core Development
> JBoss, a division of Red Hat @
www.jboss.com
>
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