/**
* Create a new object from an existing revision object.
*
* @param Revision $rev A revision object
* @param bool $useMasterDB Whether to query the MASTER DB on Title lookup.
*
* @return WallNotificationEntity|null
*/
public static function createFromRev(Revision $rev, $useMasterDB = false)
{
$wn = new WallNotificationEntity();
if ($wn->loadDataFromRev($rev, $useMasterDB)) {
$wn->saveToCache();
return $wn;
}
return null;
}
