public function getMap(ConnectionInterface $con = null)
    {
        if ($this->aMap === null && (($this->trackuid !== "" && $this->trackuid !== null))) {
            $this->aMap = ChildMapQuery::create()
                ->filterByMxmap($this) // here
                ->findOne($con);
            /* The following can be used additionally to
                guarantee the related object contains a reference
                to this object.  This level of coupling may, however, be
                undesirable since it could result in an only partially populated collection
                in the referenced object.
                $this->aMap->addMxmaps($this);
             */
        }

        return $this->aMap;
    }