InvoiceEntity::calculateNextExecutionDate

protected function calculateNextExecutionDate(Date $startDate = null)
{
	$today = new Date();
	if ($startDate instanceof Date && $startDate->getTimestamp() > $today->getTimestamp())
	{
		$map = Entity\Invoice::getParameterMapper($this->calculateParameters);
		$map->fillMap($this->calculateParameters);
		if ($map->checkMatchingDate(clone $startDate))
		{
			return $startDate;
		}
	}

	return parent::calculateNextExecutionDate($startDate);
}