Method Disconnect

cpp/src/arrow/io/hdfs.cc:410–414

  }

  Status Disconnect() {
    int ret = driver_->Disconnect(fs_);
    CHECK_FAILURE(ret, "hdfsFS::Disconnect");
    return Status::OK();
  }

  bool Exists(const std::string& path) {
    // hdfsExists does not distinguish between RPC failure and the file not