Thanks Chris, that does work. oh man, I tried something so similar to that with the parenethisis last night using my "programming by trial and error" methodology.
many thanks to everyone who replied, it's all been a great help! Richard Chris Woodrow wrote: > > Hi, > even > Test (y == (x + 1)) > works. > > Richard : I think you should take a look at this before planning doing > complicated calculations with drools > http://lists.jboss.org/pipermail/rules-users/2008-April/005247.html but it > might be fixed now. > > Chris > > > 2008/5/2 Raffi Khatchadourian <[EMAIL PROTECTED]>: > >> On Fri 2.May'08 at 10:05:20 +0100, Anstis, Michael (M.) wrote: >> >> > The "when" section matches fact (object) patterns, so your requirement >> > could be written as:- >> > >> > when there is a Test Fact 'A' and another Test Fact 'B' where "the 'x' >> > property of 'A'" equals "the 'y' property of fact 'B' plus 1" then..... >> > >> > This would become:- >> > >> > rule "Rule 1" >> > when >> > Test( $y : y ) >> > Test( x == ($y + 1) ) >> > >> >> Could you combine these conditions? As in: >> >> when >> Test($y : y, x == $y + 1) >> //... >> _______________________________________________ >> rules-users mailing list >> [email protected] >> https://lists.jboss.org/mailman/listinfo/rules-users >> > > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users > > -- View this message in context: http://www.nabble.com/newbie-question-on-%22when%22-condition-syntax-tp17015309p17026473.html Sent from the drools - user mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list [email protected] https://lists.jboss.org/mailman/listinfo/rules-users
