class Entity
{

    /**
     * @ORM\Query(dql="SELECT Entity")
     * @var QueryObject
     */
    private $someFreakyCondition;

    /**
     * @ORM\Query(filter="e.flag = 10") // WHERE ...
     * @var QueryObject
     */
    private $someFreakyCondition2;

    /**
     * @ORM\Query(filter="e.flag = :number") // WHERE ...
     * @var QueryObject
     */
    private $someFreakyCondition3;


    public function getFirst()
    {
        return $this->someFreakyCondition->fetch();
    }


    public function getSecond()
    {
        return $this->someFreakyCondition2->fetch();
    }


    public function getThird($number)
    {
        return $this->someFreakyCondition3
            ->setParameter('number', $number)
            ->getResult();
    }

}