[rules-users] "contains..."

[Manukyan, Sergey]

Folks,

 

I am using MR3, have a situation when Parent has multiple Children, and
there is a rule that needs to be fired when parent has a child with
certain attribute (active == true)

 

Will need to do something like that :

 

rule

      when

     $p : Parent( active == false,  children contains Child() [ active
== true  ] )

      then

                 ... register error: inactive parent cannot have active
child.

end

 

 

Please advice on correct syntaxes how to do that. Also please keep in
mind, I don't want to insert children in facts memory.

 

Thanks,

 

-Sergey

 

 

 

 

 

 



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