docs: @Override
  	public CommerceOrder fetchByU_LtC_O_First(long userId, Date createDate,
  		int orderStatus, OrderByComparator<CommerceOrder> orderByComparator) {
  		List<CommerceOrder> list = findByU_LtC_O(userId, createDate,
  				orderStatus, 0, 1, orderByComparator);
  
  		if (!list.isEmpty()) {
  			return list.get(0);
  		}
  
  		return null;
  	}