/// <summary>
/// Creates a new iterator instance.
/// </summary>
/// <param name="sequence">An existing sequence instance.</param>
/// <exception cref="System.ArgumentNullException">if sequence is null.</exception>
public QuotesSingleIterator(QuotesSingleSequence sequence)
{
if (sequence == null)
{
throw new ArgumentNullException(nameof(sequence), "Sequence parameter can not be null.");
}
this.Sequence = sequence;
if (sequence.StartTime <= sequence.EndTime)
{
this.from = sequence.StartTime.Normalize();
this.to = sequence.EndTime.Normalize();
this.direction = TimeDirection.Forward;
}
else
{
this.from = sequence.EndTime.Normalize();
this.to = sequence.StartTime.Normalize();
this.direction = TimeDirection.Backward;
}
this.fromEx = this.from.RoundDownMilliseconds();
this.toEx = this.to.RoundUpMilliseconds();
if (this.direction == TimeDirection.Forward)
{
this.Current = this.ConstructForward();
}
else
{
this.Current = this.ConstructBackward();
}
this.Continue = this.Current != null;
}
public QuotesSingleEnumerator(QuotesSingleSequence sequence)
{
this.sequence = sequence;
}