/**
* This method stores a persistent object in the database
*
* @param integer $userId
* @param string $name
* @param array $value
*/
public static function set($userId, $name, $value)
{
$lVar = self::retrieveByUserIdAndName($name, $userId);
if (!$lVar) {
$lVar = new PersistentObject();
}
$lVar->setName($name);
$lVar->setUserId($userId);
$lVar->setValue(serialize($value));
$lVar->save();
return $lVar;
}