Re: [rules-users] newbie question on "when" condition syntax

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) ) > Actually, please correct me if I am mistaken, but is this condition correct? I believe that the original question is that for a single instance of class Test t, fire the rule when t.x == t.y + 1 (where 't' refers to the *same* instance of class Test). I believe the rule above would match any instance of class Test whose x value is equal to the value of the instance field y from *any* instance of class Test plus 1. Does that make sense? _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users