void BindFlow(TimelinePosition position)
{
_flow = ReadData();
FlowContext.Bind(_flow, _key, position, TimelinePosition.None);
_areaCheckpoint = position.ToInt64();
}
public async Task <TimelinePosition> WriteNewEvents(TimelinePosition cause, FlowKey topicKey, Many <Event> newEvents)
{
foreach (var newEvent in newEvents)
{
var(copy, type) = CopyEvent(newEvent);
await OnNext(new TimelinePoint(
AdvancePosition(),
cause,
type,
copy.When,
Event.Traits.WhenOccurs.Get(copy),
Event.Traits.EventId.Get(copy),
Event.Traits.CommandId.Get(copy),
Event.Traits.UserId.Get(copy),
topicKey,
type.GetRoutes(copy).ToMany(),
() => copy));
}
return(new TimelinePosition(_currentPosition.ToInt64() - newEvents.Count));
}
public override string ToString() =>
Checkpoint.IsNone ? Key.ToString() : $"{Key}@{Checkpoint.ToInt64()}";