Method GetType

cpp/src/arrow/extension_type.cc:128–137

  }

  std::shared_ptr<ExtensionType> GetType(const std::string& type_name) override {
    std::lock_guard<std::mutex> lock(lock_);
    auto it = name_to_type_.find(type_name);
    if (it == name_to_type_.end()) {
      return nullptr;
    } else {
      return it->second;
    }
    return nullptr;
  }

 private:
  std::mutex lock_;