Exists() public méthode

Determines if the queue exists.
public Exists ( ) : bool
Résultat bool
CloudQueue Class Documentation
Exemple #1
0
		private void openOrCreateQueue(string channelName)
		{
			this.WriteDebugMessage("Attempting to open queue for channel {0}", channelName);

			try
			{
				CloudStorageAccount.SetConfigurationSettingPublisher(
					(configurationKey, publishConfigurationValue) =>
						{
							var connectionString = RoleEnvironment.IsAvailable
							                       	? RoleEnvironment.GetConfigurationSettingValue(configurationKey)
							                       	: ConfigurationManager.AppSettings[configurationKey];

							publishConfigurationValue(connectionString);
						});

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

				_queue = queueClient.GetQueueReference(channelName.ToLower());

				if (!_queue.Exists())
				{
					this.WriteDebugMessage("Queue {0} does not exist. Attempting to create it.", channelName);

					_queue.Create();

					this.WriteDebugMessage("Created queue for channel {0}", channelName);
				}
			}
			catch (Exception e)
			{
				this.WriteErrorMessage("Failed to open or create queue for channel {0}", e, channelName);

				throw;
			}

			this.WriteDebugMessage("Opened queue for channel {0}", channelName);
		}