@Override
  public boolean equals(final Object obj) {
    if (this == obj) {
      return true;
    }
    if (obj == null || getClass() != obj.getClass()) {
      return false;
    }
    final FilePiecePayload that = (FilePiecePayload) obj;
    return Objects.equals(this.fileName, that.fileName)
        && Objects.equals(this.nextWritingOffset, that.nextWritingOffset)
        && Arrays.equals(this.filePiece, that.filePiece);
  }
The piece of the file content.
iotdb-client/service-rpc/src/main/java/org/apache/iotdb/rpc/subscription/payload/poll/FilePiecePayload.java