public function getUserFollowing($id, $user_id)
 {
     $id = (int) $id;
     $userId = (int) $user_id;
     $query = sprintf("SELECT * FROM %s WHERE {$this->quoteColumnName('id')} = ? AND {$this->quoteColumnName('userId')} = ?;", self::TABLE_NAME);
     $rowset = $this->dbAdapter->prepareExecuteAndFetch($query, array($id, $userId));
     $following = null;
     if (count($rowset) > 0) {
         $following = new Following($rowset[0]);
     }
     return $following;
 }