Numerator::getNextNumeratorNumber

static function getNextNumeratorNumber($isAvailableForType)
{
	$query = new Query(NumeratorTable::getEntity());
	$query->addSelect(new ExpressionField('COUNT', 'COUNT(*)'));
	$query->where('TYPE', $isAvailableForType);
	$result = $query->exec()->fetch();
	return $result ? $result['COUNT'] + 1 : 1;
}