protected void onChunkGroup() throws IOException {
    ChunkGroupHeader chunkGroupHeader = reader.readChunkGroupHeader();
    currDeviceID = chunkGroupHeader.getDeviceID();
  }
@return true if the file should be scanned
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/tools/utils/TsFileSequenceScan.java