Method ReadNext

cpp/src/arrow/c/bridge.cc:2444–2457

  std::shared_ptr<DataType> data_type() const { return field_->type(); }

  Status ReadNext(std::shared_ptr<Array>* array) {
    ARROW_RETURN_NOT_OK(this->CheckNotReleased());

    ArrayType c_array;
    ARROW_RETURN_NOT_OK(this->ReadNextArrayInternal(&c_array));

    if (ArrayTraits::IsReleasedFunc(&c_array)) {
      // End of stream
      array->reset();
      return Status::OK();
    } else {
      return this->ImportArrayInternal(&c_array, field_->type()).Value(array);
    }
  }

 private:
  std::shared_ptr<Field> field_;