/**
  * @see opAuthAdapter::activate()
  */
 public function activate()
 {
     parent::activate();
     $member = sfContext::getInstance()->getUser()->getMember();
     if ($member) {
         if ($token = Doctrine::getTable('MemberConfig')->retrieveByNameAndMemberId('mobile_address_token', $member->getId())) {
             $token->delete();
         }
         if ($token = Doctrine::getTable('MemberConfig')->retrieveByNameAndMemberId('pc_address_token', $member->getId())) {
             $token->delete();
         }
     }
     return $member;
 }