Marten.Events.Projections.Async.Fetcher.Start C# (CSharp) Method

        public void Start(IProjectionTrack track, DaemonLifecycle lifecycle, CancellationToken token = default(CancellationToken))
        {
            _track = track;

            if (_fetchingTask != null && !_fetchingTask.IsCompleted)
            {
                throw new InvalidOperationException("The Fetcher is already started!");
            }

            if (State == FetcherState.Active) return;

            _token = token;

            State = FetcherState.Active;

            if (track.LastEncountered > _lastEncountered)
            {
                _lastEncountered = track.LastEncountered;
            }

            _logger.FetchStarted(track);

            _fetchingTask =
                Task.Run(() => fetchEvents(track, lifecycle), token)
                    .ContinueWith(t =>
                    {
                        _logger.FetchingStopped(track);
                    }, token, TaskContinuationOptions.ExecuteSynchronously, TaskScheduler.Default);
        }