/// <summary>
/// Creates a new instance of the <see cref="RateLimiter" /> class.
/// </summary>
/// <param name="minimumInterval">The minimum time between events.</param>
/// <param name="targetInterval">The target average time between events.</param>
/// <param name="timeWindow">The time span over which the average rate is calculated.</param>
public RateLimiter(TimeSpan minimumInterval, TimeSpan targetInterval, TimeSpan timeWindow)
{
_window = new List<DateTime>();
_lock = new AsyncLock();
_minimumInterval = minimumInterval;
_targetInterval = targetInterval;
_timeWindowDuration = timeWindow;
_maxAllowedInWindow = (int) (timeWindow.Ticks/targetInterval.Ticks);
_lastTake = DateTime.Now - minimumInterval;
}
internal Releaser(AsyncLock toRelease)
{
_toRelease = toRelease;
}