public function getReservations()
    {
        if ($this->_oReservations) {
            return $this->_oReservations;
        }

        if (!$sBasketId = $this->_getReservationsId()) {
            return null;
        }

        $this->_oReservations = $this->_loadReservations($sBasketId);

        return $this->_oReservations;
    }