// Optimized for iterative access 2008-07-16
// Optimized with SeekCount 2008-07-18
public IEnumerable <TimedEvent> GetRange(DateTime RangeStart, DateTime RangeEnd)
{
// xxxx xxxx xxxx xx xx
// xxxx xxxx xxxx xxxxx
// ==== === === == ==
// Flatten ScheduleB with union
// Since results are based on events in ScheduleA, A is not flatted.
var IterA = _ScheduleA.GetRange(RangeStart, RangeEnd).GetSpyEnumerator();
var IterB = new UnionSchedule(_ScheduleB).GetRange(RangeStart, RangeEnd).GetSpyEnumerator();
int SeekCount = 0;
while (IterA.HasMore && IterB.HasMore)
{
if (IterA.Peek.Intersects(IterB.Peek))
{
yield return(IterA.Peek & IterB.Peek);
SeekCount = 0;
}
else
{
SeekCount++;
}
// Iterate
if (IterA.Peek.StartTime >= IterB.Peek.EndTime)
{
// If count threshold is met, jump iterator to next match
if (SeekCount > SeekCountThreshold)
{
IterB = new UnionSchedule(_ScheduleB).GetRange(IterA.Peek.StartTime, RangeEnd).GetSpyEnumerator();
SeekCount = 0;
}
else
{
IterB.MoveNext();
}
}
else
{
// If count threshold is met, jump iterator to next match
if (SeekCount > SeekCountThreshold)
{
IterA = _ScheduleA.GetRange(IterB.Peek.StartTime, RangeEnd).GetSpyEnumerator();
SeekCount = 0;
}
else
{
IterA.MoveNext();
}
}
}
yield break;
}
// Optimized for iterative access 2008-07-16
// Optimized with SeekCount 2008-07-18
public IEnumerable<TimedEvent> GetRange(DateTime RangeStart, DateTime RangeEnd)
{
// xxxx xxxx xxxx xx xx
// xxxx xxxx xxxx xxxxx
// ==== === === == ==
// Flatten ScheduleB with union
// Since results are based on events in ScheduleA, A is not flatted.
var IterA = _ScheduleA.GetRange(RangeStart, RangeEnd).GetSpyEnumerator();
var IterB = new UnionSchedule(_ScheduleB).GetRange(RangeStart, RangeEnd).GetSpyEnumerator();
int SeekCount = 0;
while (IterA.HasMore && IterB.HasMore) {
if (IterA.Peek.Intersects(IterB.Peek)) {
yield return IterA.Peek & IterB.Peek;
SeekCount = 0;
}
else
SeekCount++;
// Iterate
if (IterA.Peek.StartTime >= IterB.Peek.EndTime) {
// If count threshold is met, jump iterator to next match
if (SeekCount > SeekCountThreshold) {
IterB = new UnionSchedule(_ScheduleB).GetRange(IterA.Peek.StartTime, RangeEnd).GetSpyEnumerator();
SeekCount = 0;
}
else
IterB.MoveNext();
}
else {
// If count threshold is met, jump iterator to next match
if (SeekCount > SeekCountThreshold) {
IterA = _ScheduleA.GetRange(IterB.Peek.StartTime, RangeEnd).GetSpyEnumerator();
SeekCount = 0;
}
else
IterA.MoveNext();
}
}
yield break;
}
