Re: [rules-users] LHS Conditional Syntax for drl - date comparison with objects

*Try this: * *rule* "Your First Rule" *when* $d1 : Date1( $end1: endDate ) $d2 : Date2() $d2 : Date2( beginDate > $end1 ) *then* #actions System.out.println("do something"); *end* Costello, Robert wrote: > > I'm having a hard time understanding the syntax in the conditional or > left hand side of the DRL. Is it acceptable to use dot notation in > the LHS? Is there a better way to compare fields on different objects? > > > > In the example below, I get an error "Unable to find class $d1. What > limitations are there syntactically on the left hand side? Any help > would be greatly appreciated. I have looked at all the examples and > have googled the problem and don't seem to find the answer. > > > > *package* com.rules > > > > #list any import classes here. > > *import* com.validate.Date1 > > *import* com.validate.Date2 > > *import* java.util.Date > > > > #declare any global variables here > > > > *rule* "Your First Rule" > > > > *when* > > $d1 : Date1() > > $d2 : Date2() > > $d2 : Date2(beginDate > $d1.getEndDate) > > *then* > > #actions > > System.out.println("do something"); > > *end* > > > > Best regards, > > > > Robert Costello > > > > ------------------------------------------------------------------------ > > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users >