/**
* Get the associated Series object
*
* @param PropelPDO Optional Connection object.
* @return Series The associated Series object.
* @throws PropelException
*/
public function getSeries(PropelPDO $con = null)
{
if ($this->aSeries === null && ($this->series_id !== "" && $this->series_id !== null)) {
$this->aSeries = SeriesPeer::retrieveByPk($this->series_id);
/* 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.
$this->aSeries->addModels($this);
*/
}
return $this->aSeries;
}