code: public static CommerceDiscountRel fetchByCN_CPK_Last(long classNameId,
  		long classPK, OrderByComparator<CommerceDiscountRel> orderByComparator) {
  		return getPersistence()
  				   .fetchByCN_CPK_Last(classNameId, classPK, orderByComparator);
  	}
docs: Returns the last commerce discount rel in the ordered set where classNameId = &#63; and classPK = &#63;.
  
  @param classNameId the class name ID
  @param classPK the class pk
  @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
  @return the last matching commerce discount rel, or <code>null</code> if a matching commerce discount rel could not be found