Paradox/pod/Edge.php
public function setFrom(AModel $from)
    {
        $this->_from = $from;
        $this->setInternalFrom($from->getPod()->getId());
    }
public function setFrom(AModel $from)
    {
        $this->_from = $from;
        $this->setInternalFrom($from->getPod()->getId());
    }
Set the "from" vertex of the edge.
@param AModel $from