NServiceBus.FileShareDataBusImplementation.GenerateKey C# (CSharp) Method

        string GenerateKey(TimeSpan timeToBeReceived)
        {
            if (timeToBeReceived > MaxMessageTimeToLive)
            {
                timeToBeReceived = MaxMessageTimeToLive;
            }

            var keepMessageUntil = DateTime.MaxValue;

            if (timeToBeReceived < TimeSpan.MaxValue)
            {
                keepMessageUntil = DateTime.Now + timeToBeReceived;
            }

            return Path.Combine(keepMessageUntil.ToString("yyyy-MM-dd_HH"), Guid.NewGuid().ToString());
        }