code: public OQueryModel<K> setSort(String sortableParameter, SortOrder order)
      {
      	setSortableParameter(sortableParameter);
      	setAscending(SortOrder.ASCENDING.equals(order));
      	return this;
      }
docs: Set sorting configration
  @param sortableParameter sortable parameter to sort on
  @param order {@link SortOrder} to sort on
  @return this {@link OQueryModel}