private function _getProviderRecordByHandle($handle)
    {
        $providerRecord = Oauth_ProviderInfosRecord::model()->find(

            // conditions
            'class=:provider',

            // params
            array(
                ':provider' => $handle
            )
        );

        if($providerRecord)
        {
            return $providerRecord;
        }

        return null;
    }