Re: [rules-users] keep only one, retract all other

You cannot use an interfact (List) to instantiate an object, which is happening due to the collect. --W On 30/11/2012, Martin Minka <martin.minka(a)gmail.com&gt; wrote: > I want to keep only 1 fact with id=="aaaa". But this is not working: > > rule "leave only one" > when > $removeUs : java.util.List(size>1) > from collect(Fact(id=="aaaa") > then > size = $removeUs.size(); > for (int i=1; i < size; i++) { > retract($removeUs.get(i)); > } > end > _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users