Method DoFinish

cpp/src/arrow/dataset/dataset_writer.cc:255–265

  }

  Future<> DoFinish() {
    {
      std::lock_guard<std::mutex> lg(writer_state_->visitors_mutex);
      RETURN_NOT_OK(options_.writer_pre_finish(writer_.get()));
    }
    return writer_->Finish().Then(
        [self = shared_from_this(), writer_post_finish = options_.writer_post_finish]() {
          std::lock_guard<std::mutex> lg(self->writer_state_->visitors_mutex);
          return writer_post_finish(self->writer_.get());
        });
  }

  const FileSystemDatasetWriteOptions& options_;
  const std::shared_ptr<Schema>& schema_;