code: @Override
    public final MtasDataItemNumberComparator<Long> getCompareValue0() {
      switch (sortType) {
      case CodecUtil.STATS_TYPE_N:
        return new MtasDataItemNumberComparator<Long>(valueN, sortDirection);
      default:
        return null;
      }
    }
docs: /*
  (non-Javadoc)
  
  @see mtas.codec.util.collector.MtasDataItem#getCompareValue0()