// Get the next TransportCommand, process it, and pass it on the next route.
// If a command was processed, it returns the TransportCommand that was processed, and its TResult
public async Task <Option <Tuple <TransportCommand <TCmd, TMetadata, TRoute>, TResult> > > Run()
{
Option <TransportCommand <TCmd, TMetadata, TRoute> > sqsCommand = await _commandSource.GetNextTransportCommand();
Option <TResult> result = await sqsCommand.MapAsync(ProcessCommand);
await sqsCommand.MapAsync(_commandSource.AckTransportCommand);
return(from c in sqsCommand
from r in result
select Tuple.Create(c, r));
}
