Method Finish

cpp/src/arrow/dataset/scanner_test.cc:1725–1725

  int NumBatchesRead() { return tracking_generator_.num_read(); }

  void Finish() { ARROW_UNUSED(record_batch_generator_.producer().Close()); }
  void DeliverBatch(uint32_t num_rows) {
    auto batch = ConstantArrayGenerator::Zeroes(num_rows, given_physical_schema_);
    record_batch_generator_.producer().Push(std::move(batch));