private List<List<SpanBo>> bulkSelect(List<SpanQuery> getTraceInfoList, byte[] columnFamily, Filter filter) {
        if (CollectionUtils.isEmpty(getTraceInfoList)) {
            return Collections.emptyList();
        }
        Objects.requireNonNull(columnFamily, "columnFamily");

        List<Get> getList = createGetList(getTraceInfoList, columnFamily, filter);

        RowMapper<List<SpanBo>> spanMapperAdaptor = newRowMapper(getTraceInfoList);
        return bulkSelect0(getList, spanMapperAdaptor);
    }
@author Woonduk Kang(emeroad)
@author Taejin Koo
web/src/main/java/com/navercorp/pinpoint/web/dao/hbase/HbaseTraceDaoV2.java