code: public OqlBuilder<T> orderBy(final Order order) {
      if (null != order) { return orderBy(Collections.singletonList(order)); }
      return this;
    }
docs: orderBy.
  
  @param order a {@link org.beangle.commons.collection.Order} object.
  @return a {@link org.beangle.commons.dao.query.builder.OqlBuilder} object.