public function addUsersRoleByAccountType(BOL_QuestionAccountType $accountType)
 {
     if (empty($accountType)) {
         return;
     }
     /* @var $defaultRole BOL_AuthorizationRole */
     $defaultRole = BOL_AuthorizationService::getInstance()->getDefaultRole();
     if ($accountType->roleId == $defaultRole->id) {
         return;
     }
     $this->accountDao->addRoleByAccountType($accountType);
 }