}
        return arMap;
    }

    public synchronized void deleteAccessResultMap(final String sessionId) {
        sessionMap.remove(sessionId);
    }

    public synchronized void deleteAllAccessResultMap() {
        sessionMap.clear();
    }

    public synchronized List<AccessResultImpl<Long>> getAccessResultList(final String url) {
        final List<AccessResultImpl<Long>> acList = new ArrayList<>();