private function updateMap()
    {
        $this->map = $this->mapRepository
            ->findAll()
            ->columns([$this->relation->colJoinName()])
            ->getItems()
        ;
    }
private function updateMap()
    {
        $this->map = $this->mapRepository
            ->findAll()
            ->columns([$this->relation->colJoinName()])
            ->getItems()
        ;
    }
private function updateMap ( ) { $ this -> map = $ this -> mapRepository -> findAll ( ) -> columns ( [ $ this -> relation -> colJoinName ( ) ] ) -> getItems ( ) ; }
Update the internal mapping

@return  void
Update the internal mapping