public async void Run(CancellationToken token, Func <IEvent, Task> dispatcher)
{
var reader = await _client.GetMessageReaderAsync(_stream);
var pump = reader.CreatePump(token, 0, 100000, 0);
pump.OnMessage(message => dispatcher(_deserializer(message.Value)));
}
private async void Run(CancellationToken token, Func <IEvent, Task> dispatcher, Action <Exception> onError, Action onCompleted)
{
var current = _checkpointWriter.GetOrInitPosition();
var reader = await _client.GetMessageReaderAsync(_stream);
Task.Factory.StartNew(() => FetchMessages(token, dispatcher, onError, onCompleted, reader, current)
, TaskCreationOptions.LongRunning);
}