On 23/04/2014, Bharadwaj N <bharadwaj2...@gmail.com> wrote: > rule "Discount Egypt" > salience 0 > when > $T : TripRequest ( destination == "Egypt" ) > $dest: DiscountResult()
This is wrong: the rule will not fire unless there is a DiscountResult fact in working memory. > then > $dest=$T.getResult(); This isn't correct either: you cannot assign to a bound variable. > $dest.setDiscount(5); > end > > > On Wed, Apr 23, 2014 at 2:07 PM, Leonard93 > <leonardlinde...@hotmail.com>wrote: > >> 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. >> >> >> >> >> >> -- >> View this message in context: >> http://drools.46999.n3.nabble.com/Is-there-a-better-way-to-write-this-rule-tp4029327.html >> Sent from the Drools: User forum mailing list archive at Nabble.com. >> _______________________________________________ >> rules-users mailing list >> rules-users@lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/rules-users >> > _______________________________________________ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
