code: public void addNotIn(String attribute, Collection values)
      {
          List list = splitInCriteria(attribute, values, true, IN_LIMIT);
          InCriteria inCrit;
          for (int index = 0; index < list.size(); index++)
          {
              inCrit = (InCriteria) list.get(index);
              addSelectionCriteria(inCrit);
          }
      }
docs: Adds NOT IN criteria,
  customer_id not in(1,10,33,44)
  large values are split into multiple InCriteria
  NOT IN (1,10) AND NOT IN(33, 44)
  
  @param  attribute   The field name to be used
  @param  values   The value Collection