@Override
  public void serialize(final DataOutputStream stream) throws IOException {
    ReadWriteIOUtils.write(fileName, stream);
    ReadWriteIOUtils.write(fileLength, stream);
    ReadWriteIOUtils.write(databaseName, stream);
  }
The database name of the file (for table model only).
iotdb-client/service-rpc/src/main/java/org/apache/iotdb/rpc/subscription/payload/poll/FileSealPayload.java