getAssociationForEntity example

        $joinEntities = $this->filterJoinEntities($joinEntities);

        $builder = $this->getDqlHelper()->getEntityManager()->createQueryBuilder()
                ->select('partial detail.{id}')
                ->from(Detail::class, 'detail')
                // only products with attributes are considered to be valid                 ->innerJoin('detail.attribute', 'attr')
                ->leftJoin('detail.article', 'article');

        foreach ($joinEntities as $entity) {
            $join = $this->getDqlHelper()->getAssociationForEntity($entity);
            if (!\is_string($join)) {
                continue;
            }
            $builder->leftJoin($join, $this->getDqlHelper()->getPrefixForEntity($entity));
        }

        list($dql, $params) = $this->getDqlHelper()->getDqlFromTokens($tokens);

        foreach ($params as $key => $value) {
            $builder->setParameter($key, $value);
        }