public override void Dispose()
{
if (Schedule1 != null)
{
Schedule1.Dispose();
if (AppointmentCollection != null)
{
AppointmentCollection.Clear();
AppointmentCollection = null;
}
if (this.DataContext != null)
this.DataContext = null;
Schedule1 = null;
}
}
// Optimized 2008-07-07
public IEnumerable <TimedEvent> GetRange(DateTime RangeStart, DateTime RangeEnd)
{
// Get iterators from each schedule
List <SpyEnumerator <TimedEvent> > Iterators = new List <SpyEnumerator <TimedEvent> >(_Schedules.Count);
foreach (ISchedule Schedule1 in _Schedules)
{
Iterators.Add(Schedule1.GetRange(RangeStart, RangeEnd).GetSpyEnumerator());
}
// Batch loop
List <TimedEvent> BatchEvents = new List <TimedEvent>(MaxScheduleBufferSize * _Schedules.Count);
for (; ;)
{
DateTime?BatchEndTime = null;
// Peek first events from each iterator
foreach (SpyEnumerator <TimedEvent> Iterator in Iterators)
{
if (Iterator.HasMore)
{
TimedEvent Evt1 = Iterator.Peek;
if (!BatchEndTime.HasValue || Evt1.StartTime < BatchEndTime.Value)
{
BatchEndTime = Evt1.StartTime;
}
}
}
// Check if no more events can be iterated, break out
if (!BatchEndTime.HasValue)
{
break;
}
// Iterate events up to BatchEndTime
foreach (SpyEnumerator <TimedEvent> Iterator in Iterators)
{
int BatchSize = 0;
while (Iterator.HasMore)
{
TimedEvent Evt1 = Iterator.Peek;
if (Evt1.StartTime > BatchEndTime)
{
break;
}
Iterator.MoveNext();
BatchEvents.Add(Evt1);
BatchSize++;
if (BatchSize >= MaxScheduleBufferSize)
{
// Max buffer size reached
// Set new BatchEndTime and skip to next schedule
BatchEndTime = Evt1.StartTime;
break;
}
}
}
// If no more events can be had, break from iteration
if (BatchEvents.Count == 0)
{
break;
}
// Sort batch results to ensure chronological order, then return each event
BatchEvents.Sort();
int BatchIdx;
for (BatchIdx = 0; BatchIdx < BatchEvents.Count; BatchIdx++)
{
TimedEvent Evt1 = BatchEvents[BatchIdx];
if (Evt1.StartTime > BatchEndTime)
{
break;
}
yield return(Evt1);
}
// Clear event list and repeat
BatchEvents.RemoveRange(0, BatchIdx);
}
yield break;
}
