[rules-users] Is there a better way to write this rule?

[Leonard93]

When I have the following rule:

rule "Discount Egypt"
	salience 0
    when
    	$T : TripRequest ( destination == "Egypt" )
    then
        ((DiscountResult) $T.getResult()).setDiscount(5);
end


Is there a better way to do the 'then' part of the rule (when it comes to
formatting, but still executes the same thing)? 
My request object has a result object that has a method called setDiscount
that needs to be called.

The setDiscount cannot be in the request object because there are multiple
kinds of Result Objects, thus the casting to its type.

This rule works fine, I was just wondering if there are any easier ways to
do it. I already found out you can do 'destination' instead of
'getDestination()' which helps make the rules more readable.





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