/**
   * Removes the {@link Location} from the local database after it was removed on the server
   *
   * @param request {@link Request} performed
   * @param response {@link Response} received
   */
  private void removeLocationPerformed(Request<Location> request, Response<Void> response) {
    boolean success = locHome.remove(request.getData());

    if (!success) {
      Log.i(TAG, "removal of location " + request.getData() + " failed");
    }
  }
  /**
   * Updates the local database after the location was updated on the server
   *
   * @param request {@link Request} performed
   * @param response {@link Response} received
   */
  private void updateLocationPerformed(Request<Location> request, Response<Void> response) {
    Location l = request.getData();

    if (l == null) {
      return;
    }

    Location dbLoc = locHome.get(l);

    if (!l.equals(dbLoc)) {
      boolean success = locHome.update(l);
      if (!success) {
        Log.i(TAG, "update of location " + l + " failed");
      }
    }
  }