This isn't quite right:

2010/8/16 Edson Tirelli <tirelli@post.com>
     You can't use the cast and the method call in a regular constraint. You can use it as part of an expression. So:

 $min_score : Number ()
   from accumulate (Client (productTypeExperience.keySet contains $name,
                     $score : productTypeExperience[$name],
                     min ( ((ExperienceLevel)$score).value() ) )

 from accumulate (Client (productTypeExperience.keySet contains $name,
                     $score : productTypeExperience[$name]   )   #### terminate the Client pattern
                     min ( ((ExperienceLevel)$score).value() )  )    ###  here the accumulate ends

 

     We are working on the support of free form expressions on constraints for Drools 6 (not sure we can make it for 5.2).

     Edson


2010/8/15 Manav <manav7574@yahoo.com>

Hi,
I am trying my hand at the accumulate function in Drools 5.x but the drl fails
to compile.
Not sure what's wrong with it. Please help.
This is the sample that i am working with

rule "Test Accumulate Function"
when
 $p : ProductType ($name : name)
 $min_score : Number ()
   from accumulate (Client (productTypeExperience.keySet contains $name,
                     $score :
((ExperienceLevel)productTypeExperience[$name]).value()),
              min ($score))
then
 System.out.println ("$min_score" + $min_score);
end
Regards,
Manav




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--
  Edson Tirelli
  JBoss Drools Core Development
  JBoss by Red Hat @ www.jboss.com

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