Method Read

cpp/src/arrow/io/caching.cc:300–303

  }

  Result<std::shared_ptr<Buffer>> Read(ReadRange range) override {
    std::unique_lock<std::mutex> guard(entry_mutex);
    return ReadRangeCache::Impl::Read(range);
  }

  Future<> Wait() override {
    std::unique_lock<std::mutex> guard(entry_mutex);