CompositeComparator compositePropertyComparator = new CompositeComparator(
          new PropertyComparator("lastName"), new PropertyComparator(
              "firstName"));
      NeighborComparator neighborComparator = new NeighborComparator(
          "user", compositePropertyComparator);
      OrderCriteria criteria = OrderCriteria.defineOrder(
          neighborComparator, ascending);
      orderByUser = (Interests) getEntities(criteria);
    } catch (OrderException e) {
      log.error("Error in Interests.getOrderByUser: " + e.getMessage());
    }