Re: [rules-users] Accumulate / collect

** Hi Wolfgang, hi Estaban, Many thanks for your insights! I'll stick to a custom accumulate function since it is more consice than the init/action/result approach. And since I am using Drools 5.1.1, I'll create functions named collectList and collectSet to be "future proof" :-) Best regards, Bruno. Le 16/11/2011 10:34, Esteban Aliverti a écrit : You already have 2 accumulate functions to do what you need: - collectList - collectSet So, your rule will look like this: $countries : HashSet(empty == false) from accumulate (City($name matches "X.*", $country : country), collectSet($country)) Best Regards, XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Esteban Aliverti - Developer @ http://www.plugtree.com - Blog @ http://ilesteban.wordpress.com _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users