Re: [rules-users] Can I check if a collection contains one, and only one item of another collection

You have the answer in your example, reserved word "contains" will give you that information. Scott Burrows On Sat, Aug 23, 2008 at 9:23 AM, David Cracauer <dcracauer(a)earthlink.net > wrote: Hi, I'm getting stuck on this and I'm hoping someone can help.. I need to be able to check that a collection contains one, and only one item from another collection. Ideally, I would do something like this: a:Answer(responses contains one of ("a","b","c")); Is there a way do do this without resorting to evals or predicate expressions? (drools 4.07) Thanks, Dave -- View this message in context: http://www.nabble.com/Can-I-check-if-a-collection-contains-one%2C-and-onl... Sent from the drools - user mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users