DotNetWorkQueue.Queue.MessageProcessingAsync.MessageProcessingAsync C# (CSharp) Method

        public MessageProcessingAsync(IReceiveMessagesFactory receiveMessages,
            IMessageContextFactory messageContextFactory,
            IQueueWaitFactory queueWaitFactory,
            ILogFactory log,
            ProcessMessageAsync processMessage,
            IReceivePoisonMessage receivePoisonMessage, 
            IRollbackMessage rollbackMessage)
        {
            Guard.NotNull(() => receiveMessages, receiveMessages);
            Guard.NotNull(() => messageContextFactory, messageContextFactory);
            Guard.NotNull(() => queueWaitFactory, queueWaitFactory);
            Guard.NotNull(() => log, log);
            Guard.NotNull(() => processMessage, processMessage);
            Guard.NotNull(() => receivePoisonMessage, receivePoisonMessage);
            Guard.NotNull(() => rollbackMessage, rollbackMessage);

            _receiveMessages = receiveMessages;
            _messageContextFactory = messageContextFactory;
            _log = log.Create();
            _processMessage = processMessage;
            _receivePoisonMessage = receivePoisonMessage;
            _rollbackMessage = rollbackMessage;

            _noMessageToProcessBackoffHelper = new Lazy<IQueueWait>(queueWaitFactory.CreateQueueDelay);
            _seriousExceptionProcessBackOffHelper = new Lazy<IQueueWait>(queueWaitFactory.CreateFatalErrorDelay);
        }