/// <summary>
/// Default method for combining two <see cref="IntervalData{TDest}"/> values.
/// </summary>
/// <param name="left">The first value to combine.</param>
/// <param name="right">The second value to combine.</param>
/// <returns>The combined value.</returns>
public static IntervalData <TDest> DefaultCombiner(IntervalData <TDest> left, IntervalData <TDest> right)
{
Comparer <TDest> comparer = Comparer <TDest> .Default;
TDest min = comparer.Compare(left.Minimum, right.Minimum) < 0 ? left.Minimum : right.Minimum;
TDest max = comparer.Compare(left.Maximum, right.Maximum) > 0 ? left.Maximum : right.Maximum;
TDest value;
DateTime originatingTime;
// Take the value which occurs last, and the time which occurs first
if (left.OriginatingTime <= right.OriginatingTime)
{
value = right.Value;
originatingTime = left.OriginatingTime;
}
else
{
value = left.Value;
originatingTime = right.OriginatingTime;
}
// Take the whichever end time occurs last and use it to find the interval
TimeSpan interval = (right.EndTime > left.EndTime ? right.EndTime : left.EndTime) - originatingTime;
return(IntervalData.Create(value, min, max, originatingTime, interval));
}
/// <inheritdoc />
public IntervalData <TDest> Combine(IntervalData <TDest> left, IntervalData <TDest> right)
{
return(this.combiner(left, right));
}