public async Task Execute(IMessagingRoot root, IChannelCallback channel, Envelope envelope,
IQueuedOutgoingMessages messages,
DateTime utcNow)
{
root.MessageLogger.NoHandlerFor(envelope);
foreach (var handler in _handlers)
{
try
{
await handler.Handle(envelope, root);
}
catch (Exception e)
{
root.MessageLogger.LogException(e);
}
}
if (envelope.AckRequested)
{
await root.Acknowledgements.SendAcknowledgement(envelope);
}
await channel.Complete(envelope);
envelope.MarkCompletion(false);
// These two lines are important to make the message tracking work
// if there is no handler
root.MessageLogger.ExecutionFinished(envelope);
root.MessageLogger.MessageSucceeded(envelope);
}
public async Task Execute(IMessagingRoot root, IChannelCallback channel, Envelope envelope,
IQueuedOutgoingMessages messages,
DateTime utcNow)
{
try
{
root.MessageLogger.DiscardedEnvelope(envelope);
await channel.Complete(envelope);
}
catch (Exception e)
{
root.MessageLogger.LogException(e);
}
}
public async Task Execute(IMessagingRoot root, IChannelCallback channel, Envelope envelope,
IQueuedOutgoingMessages messages,
DateTime utcNow)
{
try
{
await messages.SendAllQueuedOutgoingMessages();
await channel.Complete(envelope);
root.MessageLogger.MessageSucceeded(envelope);
}
catch (Exception ex)
{
await root.Acknowledgements.SendFailureAcknowledgement(envelope, "Sending cascading message failed: " + ex.Message);
root.MessageLogger.LogException(ex, envelope.Id, ex.Message);
root.MessageLogger.MessageFailed(envelope, ex);
await new MoveToErrorQueue(ex).Execute(root, channel, envelope, messages, utcNow);
}
}