async Task <bool> ReadNextBatch()
{
if (_readCheckpoint == 0)
{
return(false);
}
var batch = await ReadBatch();
foreach (var e in batch.Events)
{
_readCheckpoint = e.Link.EventNumber;
var areaPosition = e.Event.EventNumber;
if (areaPosition < _scheduleFirst)
{
return(false);
}
if (areaPosition <= _scheduleLast && _schedule.Contains(areaPosition))
{
_points.Write.Insert(0, _context.ReadAreaPoint(e));
}
}
return(!batch.IsEndOfStream);
}
public bool IsImmediateGiven() => Topic != null && Routes.Contains(Topic);