@GET
  @Produces("application/json")
  public NodeList get() {
    Set<ZSetOperations.TypedTuple<JsonNode>> typedTuples =
        setOps.rangeWithScores(DUMMY_USER, 0, -1);

    Set<NodeItem> nodeItems = new LinkedHashSet<>();
    for (ZSetOperations.TypedTuple<JsonNode> tuple : typedTuples)
      nodeItems.add(new NodeItem(tuple.getScore().longValue(), tuple.getValue()));

    return new NodeList(nodeItems);
  }