/**
* @param integer $dateAdded
* @return null
*/
public function setDateAdded($dateAdded)
{
if (!isset($this->loadedFields['dateAdded'])) {
$this->loadProperties();
}
$oldValue = null;
if (array_key_exists('dateAdded', $this->loadedValues)) {
$oldValue = $this->loadedValues['dateAdded'];
}
if ($oldValue === $dateAdded) {
$this->dateAdded = $dateAdded;
return;
}
return parent::setDateAdded($dateAdded);
}