SequentNumberGenerator::getNextNumber

public function getNextNumber($numeratorId)
{
	if (!$numeratorId)
	{
		return null;
	}
	$this->numeratorId = $numeratorId;
	$nextNumberSettings = $this->getSettings($numeratorId, false);
	if ($nextNumberSettings)
	{
		return $nextNumberSettings['NEXT_NUMBER'];
	}
	else
	{
		return $this->start;
	}
}