C# CloudBlobContainer.CreateIfNotExist方法代碼示例

 public void CreateIfNotExist(CloudBlobContainer cloudBlobContainer, bool isPublic = true)
 {
     cloudBlobContainer.CreateIfNotExist();
     var permission = cloudBlobContainer.GetPermissions();
     var blobContainerPermissions = new BlobContainerPermissions {PublicAccess = isPublic ? BlobContainerPublicAccessType.Container : BlobContainerPublicAccessType.Off};
     cloudBlobContainer.SetPermissions(blobContainerPermissions);
 }

 public static void MyClassInitialize(TestContext testContext)
 {
     CloudStorageAccount storageAccount = CloudStorageAccount.Parse(DevConnectionString);
     blobClient = storageAccount.CreateCloudBlobClient();
     container = blobClient.GetContainerReference(TestContainerName);
     container.CreateIfNotExist();
 }

        public Storage(CloudStorageAccount account)
        {
            this.account = account;

            fileStorage = account.CreateCloudBlobClient();

            /* Initialize file container */
            container = fileStorage.GetContainerReference(filesContainer);
            container.CreateIfNotExist();

            var permissions = container.GetPermissions();
            /* Full permissions. From MSDN, Container-level public access. Anonymous clients can
             * read blob content and metadata and container metadata, and can list the blobs within the container.
             *
             * Other alternatives are Blob (can read content but not metadata) and Off (no
             * anonymous access).
             */
            // permissions.PublicAccess = BlobContainerPublicAccessType.Container;
            permissions.PublicAccess = BlobContainerPublicAccessType.Off;

            permissions.SharedAccessPolicies.Remove("basic");
            permissions.SharedAccessPolicies.Add("basic", new SharedAccessPolicy()
            {
            });

            container.SetPermissions(permissions);

            /* Initialize table (for file metadata) */
            CloudTableClient.CreateTablesFromModel(
                typeof(FileDataContext),
                account.TableEndpoint.AbsoluteUri,
                account.Credentials);
        }

        public override bool OnStart()
        {
            // Set the maximum number of concurrent connections
            ServicePointManager.DefaultConnectionLimit = 100;

            //Initialize Indexer
            storageAccount = CloudStorageAccount.Parse(RoleEnvironment.GetConfigurationSettingValue("CrawlerStorage"));

            //Initialize URL Queue
            urlQueueClient = storageAccount.CreateCloudQueueClient();
            urlQueue = urlQueueClient.GetQueueReference("urlqueue");
            if (urlQueue.CreateIfNotExist())
            {
                //Add first URL to the queue
                CloudQueueMessage firstURL = new CloudQueueMessage(startURL);
                urlQueue.AddMessage(firstURL);
            }

            //Initialize Index Queue
            indexQueueClient = storageAccount.CreateCloudQueueClient();
            indexQueue = indexQueueClient.GetQueueReference("indexqueue");
            indexQueue.CreateIfNotExist();

            //Initialize Database Blob
            databaseClient = storageAccount.CreateCloudBlobClient();
            databaseContainer = databaseClient.GetContainerReference("wordfrequencies");
            databaseContainer.CreateIfNotExist();
            var permission = databaseContainer.GetPermissions();
            permission.PublicAccess = BlobContainerPublicAccessType.Container;
            databaseContainer.SetPermissions(permission);

            return base.OnStart();
        }

        public override bool OnStart()
        {
            // Set the maximum number of concurrent connections
            ServicePointManager.DefaultConnectionLimit = 12;

            DiagnosticMonitor.Start("DiagnosticsConnectionString");

            // For information on handling configuration changes
            // see the MSDN topic at http://go.microsoft.com/fwlink/?LinkId=166357.
            RoleEnvironment.Changing += RoleEnvironmentChanging;

            // read storage account configuration settings
            CloudStorageAccount.SetConfigurationSettingPublisher((configName, configSetter)
                => configSetter(RoleEnvironment.GetConfigurationSettingValue(configName)));

            var storageAccount = CloudStorageAccount.FromConfigurationSetting("DataConnectionString");

            // initialize blob storage
            CloudBlobClient blobStorage = storageAccount.CreateCloudBlobClient();
            container = blobStorage.GetContainerReference("converteddata");

            // initialize queue storage
            CloudQueueClient queueStorage = storageAccount.CreateCloudQueueClient();
            queue = queueStorage.GetQueueReference("workercommands");

            Trace.TraceInformation("Creating container and queue...");

            bool storageInitialized = false;
            while (!storageInitialized)
            {
                try
                {
                    // create the blob container and allow public access
                    container.CreateIfNotExist();
                    var permissions = container.GetPermissions();
                    permissions.PublicAccess = BlobContainerPublicAccessType.Container;
                    container.SetPermissions(permissions);

                    // create the message queue
                    queue.CreateIfNotExist();
                    storageInitialized = true;
                }
                catch (StorageClientException e)
                {
                    if (e.ErrorCode == StorageErrorCode.TransportError)
                    {
                        Trace.TraceError("Storage services initialization failure. "
                          + "Check your storage account configuration settings. If running locally, "
                          + "ensure that the Development Storage service is running. Message: '{0}'", e.Message);
                        Thread.Sleep(5000);
                    }
                    else
                    {
                        throw;
                    }
                }
            }

            return base.OnStart();
        }

        public override bool OnStart()
        {
            // Set the maximum number of concurrent connections
            ServicePointManager.DefaultConnectionLimit = 12;
            #if DEBUG
            account = CloudStorageAccount.DevelopmentStorageAccount;
            #else
            account = new CloudStorageAccount(accountAndKey, true);
            #endif

            tableContext = new TableServiceContext(account.TableEndpoint.ToString(), account.Credentials);

            //client = new CloudQueueClient(account.BlobEndpoint.ToString(), account.Credentials);
            qclient = account.CreateCloudQueueClient();
            q = qclient.GetQueueReference("icd9mapplotrequests");
            rows = new List<ICD9MapPlotResultEntry>();
            bclient = account.CreateCloudBlobClient();
            container = bclient.GetContainerReference("results");
            container.CreateIfNotExist();
            client = account.CreateCloudTableClient();
            client.CreateTableIfNotExist("ICD9MapPlotResult");
            client.CreateTableIfNotExist("DoctorDetails");
            client.CreateTableIfNotExist("PatientDetails");
            // For information on handling configuration changes
            // see the MSDN topic at http://go.microsoft.com/fwlink/?LinkId=166357.

            return base.OnStart();
        }

 static AzureHelper()
 {
     var cloudStorageAccount = CloudStorageAccount.Parse("DefaultEndpointsProtocol=http;AccountName=mintchipmarket;AccountKey=6wtpT0uW75m2LsThfROjp+cMA5zWx8VllZhJ5tM7kPAZZlIbPZ0t7pIXkO0s0AnzZ4sWMnl+rc5+1KjlNWKlfA==");
     var blobClient = new CloudBlobClient(cloudStorageAccount.BlobEndpoint, cloudStorageAccount.Credentials);
     _container = blobClient.GetContainerReference("files");
     _container.CreateIfNotExist();
     _container.SetPermissions(new BlobContainerPermissions() { PublicAccess = BlobContainerPublicAccessType.Off });
 }

        public BlobOptimisticDataStore(CloudStorageAccount account, string containerName)
        {
            var blobClient = account.CreateCloudBlobClient();
            blobContainer = blobClient.GetContainerReference(containerName.ToLower());
            blobContainer.CreateIfNotExist();

            blobReferences = new Dictionary<string, CloudBlob>();
        }

        public AzureStorageClient(CloudStorageAccount account)
        {
            client = account.CreateCloudBlobClient();
            client.DefaultDelimiter = "/";

            container = client.GetContainerReference("documents");
            container.CreateIfNotExist();
        }

 /// <summary>
 /// Connects to the storage account and creates the default container 
 /// </summary>
 private void ConnectToBlobStorage()
 {
     storageAccount = CloudStorageAccount.Parse(RoleEnvironment.GetConfigurationSettingValue("StorageConnectionString"));
     blobClient = storageAccount.CreateCloudBlobClient();
     blobContainer = blobClient.GetContainerReference("testcontainer");
     blobContainer.CreateIfNotExist();
     blobContainer.SetPermissions(new BlobContainerPermissions() { PublicAccess = BlobContainerPublicAccessType.Blob });
 }

 public AzureSystemEventStore()
 {
     Streamer = new EventStreamer(new EventSerializer(MessagesProvider.GetKnownEventTypes()));
     CloudStorageAccount storageAccount = CloudStorageAccount.Parse(Settings.Default.AzureConnectionString);
     blobClient = storageAccount.CreateCloudBlobClient();
     container = blobClient.GetContainerReference(Settings.Default.AzureContainerName);
     container.CreateIfNotExist();
 }

        public Azure_Stream_Factory(CloudStorageAccount account, string container_Name)
        {
            _container_Name = container_Name;

            _blobClient = account.CreateCloudBlobClient();

            container = _blobClient.GetContainerReference(container_Name);
            container.CreateIfNotExist();
        }

        public AzureTapeStream(string name, string connectionString, string containerName, ITapeStreamSerializer serializer)
        {
            _serializer = serializer;

            CloudStorageAccount storageAccount = CloudStorageAccount.Parse(connectionString);
            blobClient = storageAccount.CreateCloudBlobClient();
            container = blobClient.GetContainerReference(containerName);
            container.CreateIfNotExist();

            _blob = container.GetBlobReference(name);
        }

        public AzureBlobFileRepository(IConfigSettings configSettings)
        {
            var setting = configSettings.Get("StorageConnectionString");
            containerName = configSettings.Get("BlobContainerName");
            storageAccount = CloudStorageAccount.Parse(setting);
            blobClient = storageAccount.CreateCloudBlobClient();
            container = blobClient.GetContainerReference(containerName.ToLower());

            container.CreateIfNotExist();
            container.SetPermissions(new BlobContainerPermissions
            {
                PublicAccess = BlobContainerPublicAccessType.Blob
            });
        }

        public void Setup()
        {
            _name = Guid.NewGuid().ToString().ToLowerInvariant();
            CloudStorageAccount cloudStorageAccount = ConnectionConfig.StorageAccount;
            var cloudBlobClient = cloudStorageAccount.CreateCloudBlobClient();
            var documentStrategy = new DocumentStrategy(_name);
            _store = new AzureDocumentStore(documentStrategy, cloudBlobClient);

            _container = cloudBlobClient.GetBlobDirectoryReference(_name).Container;
            _container.CreateIfNotExist();

            _sampleDocContainer = cloudBlobClient.GetBlobDirectoryReference(_name).Container;
            _sampleDocContainer.CreateIfNotExist();
        }