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多次注冊同一個接口 - Autofac

[英]Register same interface multiple times - Autofac

我正在嘗試使用不同的配置注冊一個接口,如下所示:

private static ContainerBuilder RegisterAzureStorage(this ContainerBuilder containerBuilder, IAzureStorageOptions azureStorageOptions)
    {
        containerBuilder.Register(c =>
                new AzureStorageKeyValuePersistenceService(
                    new AzureStorageKeyValuePersistenceConfig(
                        azureStorageOptions.DctAzureBlobConnectionString,
                        azureStorageOptions.DctAzureBlobContainerName)))
            .As<IStreamableKeyValuePersistenceService>()
            .Keyed<IStreamableKeyValuePersistenceService>(PersistenceStorageKeys.DctAzureStorage)
            .SingleInstance();

        containerBuilder.Register(c =>
                new AzureStorageKeyValuePersistenceService(
                    new AzureStorageKeyValuePersistenceConfig(
                        azureStorageOptions.NcsAzureBlobConnectionString,
                        azureStorageOptions.NcsAzureBlobContainerName)))
            .As<IStreamableKeyValuePersistenceService>()
            .Keyed<IStreamableKeyValuePersistenceService>(PersistenceStorageKeys.NcsAzureStorage)
            .SingleInstance();

        return containerBuilder;
    }

然后在我的構造函數中:

public ReportingController(
        [KeyFilter(PersistenceStorageKeys.DctAzureStorage)] IStreamableKeyValuePersistenceService dctStorage,
        [KeyFilter(PersistenceStorageKeys.NcsAzureStorage)] IStreamableKeyValuePersistenceService ncsStorage)
    {
        _dctStorage = dctStorage;
        _ncsStorage = ncsStorage;
    }

和用法:

await _dctStorage.SaveAsync(........);
await _ncsStorage.SaveAsync(........);

但是,在執行時,它只會選取最后一個注冊並將兩個對象保存到同一位置。

我可以使用 enumerable 方法讓它工作:

public ReportingController(IEnumerable<IStreamableKeyValuePersistenceService> storage)
    {
        _storage = storage;
    }

然后對於可枚舉的每個,但如果可能的話,我更願意使用鍵控方法。

關於我缺少什么的任何想法?

對於將來遇到此問題的任何人,我都缺少注冊,在這種情況下IReportingController需要使用WithAttributeFiltering()注冊執行接口,如下所示:

containerBuilder.RegisterType<ReportingController>().As<IReportingController>().WithAttributeFiltering();

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