private void startAllQuery() {
        Map<String, UserEntity> map = Scheduler.getUsers();
        Iterator<UserEntity> it = map.values().iterator();
        Map<String, UserOperator> queryers = new HashMap<String, UserOperator>();
        UserEntity user = null;
        while (it.hasNext()) {
            user = it.next();
            queryers.put(user.getUsername(), new UserOperator(user.getUsername()).run());
        }
        Scheduler.setUserOperators(queryers);
    }