private static async Task LastStageAsync(Completeble <string> message)
{
try
{
await Task.Delay(1000);
if (Environment.TickCount % 4 == 0)
{
throw new ArgumentOutOfRangeException("4th");
}
string next = $"{message.Value} -> last stage";
var nextMessage = message.ProceedWith(next);
if (!nextMessage.TryComplete())
{
Console.WriteLine("Completion failed (can only complete once)");
}
}
catch (Exception ex)
{
// don't take the entire consumer down
message.TryCompleteAsFaulted(ex);
}
}
private static async Task ProcessFinalStageAsync(Completeble <string> message)
{
await Task.Delay(1000);
string next = $"{message.Value} -> last stage";
var nextMessage = message.ProceedWith(next);
if (!nextMessage.TryComplete())
{
Console.WriteLine("Completion failed (can only complete once)");
}
}