Method ReadMetadataAsync

cpp/src/arrow/io/interfaces.cc:124–129

Default ReadMetadataAsync() implementation: simply issue the read on the context's executor

// Default ReadMetadataAsync() implementation: simply issue the read on the context's
// executor
Future<std::shared_ptr<const KeyValueMetadata>> InputStream::ReadMetadataAsync(
    const IOContext& ctx) {
  std::shared_ptr<InputStream> self =
      std::dynamic_pointer_cast<InputStream>(shared_from_this());
  return DeferNotOk(internal::SubmitIO(ctx, [self] { return self->ReadMetadata(); }));
}

Future<std::shared_ptr<const KeyValueMetadata>> InputStream::ReadMetadataAsync() {
  return ReadMetadataAsync(io_context());