@Override
        public int compare(Node lhs, Node rhs) {
            int result = Integer.valueOf(lhs.classPriority()).compareTo(rhs.classPriority());

            return result != 0 ?
                    result :
                    Integer.valueOf(lhs.priority).compareTo(rhs.priority);
        }
Ensures that Searchers are ordered deterministically.

@author Tony Vaagenes
container-core/src/main/java/com/yahoo/component/chain/dependencies/ordering/OrderedReadyNodes.java