/**
* Get the associated Collection object
*
* @param PropelPDO Optional Connection object.
* @return Collection The associated Collection object.
* @throws PropelException
*/
public function getCollection(PropelPDO $con = null)
{
if ($this->aCollection === null && $this->collection_id !== null) {
$this->aCollection = CollectionPeer::retrieveByPk($this->collection_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.
$this->aCollection->addCollectionFiles($this);
*/
}
return $this->aCollection;
}