/**
* Internal function to return a Referral object from a row.
* @param $row array
* @return Referral
*/
function &_returnReferralFromRow(&$row)
{
$referral = new Referral();
$referral->setId($row['referral_id']);
$referral->setArticleId($row['article_id']);
$referral->setStatus($row['status']);
$referral->setUrl($row['url']);
$referral->setDateAdded($this->datetimeFromDB($row['date_added']));
$referral->setLinkCount($row['link_count']);
$this->getDataObjectSettings('referral_settings', 'referral_id', $row['referral_id'], $referral);
return $referral;
}