/**
function from ParameterRepository, which takes parameter by its id and locale
*/

 public function findByLocale($parameterId, $locale)
     {
        $q =
        $this->createQueryBuilder('m')
        ->where('m.id = :parameterId')
        ->setParameter('parameterId', $parameterId)
        ->getQuery()
        ->setHint(
                \Gedmo\Translatable\TranslatableListener::HINT_TRANSLATABLE_LOCALE, $locale // take locale from session or request etc.
        )
        ->getSingleResult();
        return $q;
     }