private void WaitForRedeliveries()

in src/MessageConsumer.cs [1734:1766]
32 lines of code
9 McCabe index (conditional complexity)

        private void WaitForRedeliveries()
        {
            if (failoverRedeliveryWaitPeriod > 0 && previouslyDeliveredMessages != null)
            {
                DateTime expiry = DateTime.Now + TimeSpan.FromMilliseconds(failoverRedeliveryWaitPeriod);
                int numberNotReplayed;
                do
                {
                    numberNotReplayed = 0;
                    
                    using(this.deliveredMessagesLock.Lock())
                    {
                        if (previouslyDeliveredMessages != null)
                        {
                            foreach(KeyValuePair<MessageId, bool> entry in previouslyDeliveredMessages)
                            {
                                if (!entry.Value)
                                {
                                    numberNotReplayed++;
                                }
                            }
                        }
                    }
                    if (numberNotReplayed > 0)
                    {
                        Tracer.InfoFormat("Consumer[{0}] waiting for redelivery of {1}  in transaction: {2}",
                                          ConsumerId, numberNotReplayed, previouslyDeliveredMessages.TransactionId);
                        Thread.Sleep((int) Math.Max(500, failoverRedeliveryWaitPeriod/4));
                    }
                }
                while (numberNotReplayed > 0 && expiry > DateTime.Now);
            }
        }