Method DoAbort

cpp/src/arrow/io/concurrency.h:256–256

Default implementations. They are virtual because the derived class may have derived classes itself.

  // Default implementations.  They are virtual because the derived class may
  // have derived classes itself.
  virtual Status DoAbort() { return derived()->DoClose(); }

  virtual Result<std::string_view> DoPeek(int64_t ARROW_ARG_UNUSED(nbytes)) {
    return Status::NotImplemented("Peek not implemented");