docs: public KeyAreaInfo setKeyArea(String strKeyName)
      {
          KeyAreaInfo keyArea = null;
          if (strKeyName == null)
              strKeyName = Constants.PRIMARY_KEY;
          for (m_iDefaultOrder = Constants.MAIN_KEY_AREA; m_iDefaultOrder < this.getKeyAreaCount() - Constants.MAIN_KEY_AREA; m_iDefaultOrder++)
          {
              keyArea = this.getKeyArea(m_iDefaultOrder);
              if (keyArea.getKeyName().equals(strKeyName))
                  return keyArea;     // Found key area
          }
          if (Constants.PRIMARY_KEY.equals(strKeyName))
          {
              m_iDefaultOrder = Constants.MAIN_KEY_AREA;  // Set to default.
              return this.getKeyArea(m_iDefaultOrder);
          }
          m_iDefaultOrder = Constants.MAIN_KEY_AREA;  // Not found!!! Set to default.
          return null;
      }