docs: @Override
  	public CPRuleUserSegmentRel fetchByCPRuleId_Last(long CPRuleId,
  		OrderByComparator<CPRuleUserSegmentRel> orderByComparator) {
  		int count = countByCPRuleId(CPRuleId);
  
  		if (count == 0) {
  			return null;
  		}
  
  		List<CPRuleUserSegmentRel> list = findByCPRuleId(CPRuleId, count - 1,
  				count, orderByComparator);
  
  		if (!list.isEmpty()) {
  			return list.get(0);
  		}
  
  		return null;
  	}