public virtual void EndGroup()
{
if (CurrentSorter != null)
{
CurrentSorter.SortAndAppendTo(lastPoint, TargetScheduler);
lastPoint = CurrentSorter.OutPoint;
CurrentSorter = null;
}
}
public virtual void BeginGroup()
{
if (CurrentSorter != null)
{
throw new Exception("GroupScheduler.BeginGroup: already in a group!");
}
CurrentSorter = new SortingScheduler2d();
}