2009/6/1 Vidya Chandrasekaran <aydiv.c@gmail.com>

Hi,

I am fairly new to Drools and am just getting my feet wet with writing rules.

In my work, I have to integrate drools with classes that do not expose all properties via getXXX/ isXXX accessor methods but require a call of the form someMethod("keyvalue"). I have been using the MVEL dialect and do not see a way to call a function with arguments on the LHS side of a rule either in the documentation or the mailing list.


In fact, I have been trying something like

rule "rulename"
    agenda-group "evaluation"   
when
    $d: VO( computePrice("key") < 10) from entry-point "Inventory stream"      
then       
    #   
end

This fails with a 'no viable alternative at input '"key"' in rule. Is there a way this can be accomplished?

Thanks,
Vidya

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