getDirection() public method

public getDirection ( ) : string
return string
 /**
  * Returns the expression for a specific sort order.
  *
  * @param QueryBuilder $queryBuilder
  * @param              $sorter
  *
  * @throws \Exception
  *
  * @return \Doctrine\ORM\Query\Expr\Comparison|\Doctrine\ORM\Query\Expr\Func
  */
 private function applyOrderByExpression(QueryBuilder $queryBuilder, Sorter $sorter)
 {
     if ($sorter->getAssociation() !== null) {
         $alias = $this->getAlias('o.' . $sorter->getAssociation()) . '.' . $sorter->getProperty();
     } else {
         $alias = 'o.' . $sorter->getProperty();
     }
     return $queryBuilder->addOrderBy($alias, $sorter->getDirection());
 }