code: @Override
  	public CPDefinitionLink fetchByCProductId_First(long CProductId,
  		OrderByComparator<CPDefinitionLink> orderByComparator) {
  		List<CPDefinitionLink> list = findByCProductId(CProductId, 0, 1,
  				orderByComparator);
  
  		if (!list.isEmpty()) {
  			return list.get(0);
  		}
  
  		return null;
  	}
docs: Returns the first cp definition link in the ordered set where CProductId = &#63;.
  
  @param CProductId the c product ID
  @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
  @return the first matching cp definition link, or <code>null</code> if a matching cp definition link could not be found