Method Read

cpp/src/arrow/flight/transport/grpc/grpc_client.cc:247–254

      : stream_(stream) {}

  Status Read(std::string* token) override {
    pb::HandshakeResponse request;
    if (stream_->Read(&request)) {
      *token = std::move(*request.mutable_payload());
      return Status::OK();
    }
    return FromGrpcStatus(stream_->Finish());
  }

 private:
  std::shared_ptr<::grpc::ClientReaderWriter<pb::HandshakeRequest, pb::HandshakeResponse>>