with predicate or evals, or preferably try and write your information relationally not nested. Mark lucio(a)asteriski.com wrote: > hi all, > > having trouble with Drools 3.x syntax. > > currently using one fact in working memory that is a aggregate of many > java beans. However when using the column constraint syntax it does not > seem to allow nested getXXX on the column constraint. > > I have it working using predicate but it just seems verbose. > > i would like to be able to fire rule when > the table object has a player count > 0 and the > Table.getDealer.getFlop() > == null > > how is this done on Drools 3.x? > > > > ie. > > public class Table{ > > int playerCount; > Dealer dealer; > Collection players; > > .... > } > > > rule "start" > no-loop true > when > table : Table( playerCount > 0 , dealerFlop : > dealer->(dealerFlop.getFlop() == null ) ) > then > System.out.println( "start:" + table.getDealer().getFlop() ); > end > > > many thanks > > -lp > > > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > >