@Override
        public int hashCode() {
            int hashCode = 0;
            for (String s : array) {
                hashCode = hashCode ^ s.hashCode();
            }
            return hashCode;
        }
Creates a CompoundName from a string, possibly reusing from cache.
 Prefer over constructing on the fly.
container-core/src/main/java/com/yahoo/processing/request/CompoundName.java