/**
* @param CalendarDate|Object $start
* @param CalendarDate|HasClassName $end
*/
protected function __construct(CalendarDate $start, CalendarDate $end)
{
if (!$end->sameTypeAs($start)) {
throw new NotMatchTypeException($end);
}
if ($end->earlierThan($start)) {
throw new InvalidArgumentException(sprintf('%s must be later then %s', '$end', '$start'));
}
$this->start = $start;
$this->end = $end;
}
/**
* @param CalendarDate $end
* @param Duration $duration
* @param int|null $recurrence
*
* @return static
*/
public static function createFromEndDuration(CalendarDate $end, Duration $duration, $recurrence = null)
{
return static::create($end->sub($duration), null, $duration, $recurrence);
}
