protected function createEdge($from, $to)
{
if (!$from || !$to) {
return null;
}
$exists = $this->edgeExists($from, $to);
if ($exists) {
return $exists;
}
$edge = new Edge();
$edge->setFrom($from)->setTo($to);
$this->getEntityManager()->persist($edge);
$this->getEntityManager()->flush($edge);
return $edge;
}
protected function createEdge($from, $to)
{
$em = $this->getEntityManager();
$edge = new Edge();
$edge->setFrom($from)->setTo($to);
$em->persist($edge);
$em->flush($edge);
return $edge;
}