获取 Pub/Sub 通知

举例说明如何获取 Pub/Sub 通知元数据。

包含此代码示例的文档页面

如需查看上下文中使用的代码示例,请参阅以下文档:

代码示例

C++

如需了解详情,请参阅 Cloud Storage C++ API 参考文档

namespace gcs = ::google::cloud::storage;
using ::google::cloud::StatusOr;
[](gcs::Client client, std::string const& bucket_name,
   std::string const& notification_id) {
  StatusOr<gcs::NotificationMetadata> notification =
      client.GetNotification(bucket_name, notification_id);
  if (!notification) {
    throw std::runtime_error(notification.status().message());
  }

  std::cout << "Notification " << notification->id() << " for bucket "
            << bucket_name << "\n";
  if (notification->object_name_prefix().empty()) {
    std::cout << "This notification is sent for all objects in the bucket\n";
  } else {
    std::cout << "This notification is sent only for objects starting with"
              << " the prefix " << notification->object_name_prefix() << "\n";
  }
  std::cout << "Full details for the notification:\n"
            << *notification << "\n";
}

后续步骤

如需搜索和过滤其他 Google Cloud 产品的代码示例,请参阅 Google Cloud 示例浏览器