public async Task <IDisposable> Subscribe(ITimelineObserver observer) =>
await _context.Connection.SubscribeToStreamAsync(
TimelineStreams.Timeline,
resolveLinkTos : false,
eventAppeared : (_, e) =>
observer.OnNext(_context.ReadAreaPoint(e)),
subscriptionDropped : (_, reason, error) =>
observer.OnDropped(reason.ToString(), error));
protected override Task Open()
{
_subscription = _context.Connection.SubscribeToStreamFrom(
TimelineStreams.Timeline,
_checkpoint.ToInt64OrNull(),
_settings,
eventAppeared: (_, e) =>
_observer.OnNext(_context.ReadAreaPoint(e)),
subscriptionDropped: (_, reason, error) =>
_observer.OnDropped(reason.ToString(), error));
return(base.Open());
}
