protected override async Task TrackAndHandleEventAsync(Type projection, EventData eventData)
{
await HandleEventAsync(eventData.Event);
_handledEventCount++;
if (_handledEventCount >= BatchSize)
{
// TODO - Call Flush
// This projection can be problematic (Flush would need to be called periodically)
// eg. call flush after n milliseconds of inactivity, set a flag, throw exceptions if
// TrackAndHandleEventAsync is called during flush
// Also Flush and SaveOffset might be in a transaction (maybe have sql version of this projection also)
await _offsetTracker.SaveOffsetAsync(projection, eventData.Offset);
_handledEventCount = 0;
}
}
protected virtual async Task TrackAndHandleEventAsync(Type projection, EventData eventData)
{
await HandleEventAsync(eventData.Event);
await _offsetTracker.SaveOffsetAsync(projection, eventData.Offset);
}