public DateTimeOffset?ScheduleNext(DateTimeOffset from)
{
if (!delayFirstIteration && scheduledFirst.TrySetTrue())
{
return(from);
}
var period = periodProvider();
var jitter = jitterProvider();
period = TimeSpanArithmetics.Max(TimeSpan.Zero, period);
jitter = Math.Max(0d, jitter);
jitter = Math.Min(1d, jitter);
var next = from + period;
if (jitter > 0d)
{
next += period.Multiply(ThreadSafeRandom.NextDouble() * jitter * (ThreadSafeRandom.FlipCoin() ? 1d : -1d));
}
return(next);
}
