/**
  * @see AbstractJob::execute()
  */
 function execute()
 {
     // only consider highscore users since we assume that they are actually playing and not waiting for a team assignment or something.
     $users = UsersDataService::getActiveUsersWithHighscore($this->_websoccer, $this->_db, 0, 1000);
     foreach ($users as $user) {
         UserInactivityDataService::computeUserInactivity($this->_websoccer, $this->_db, $user['id']);
     }
 }