*
     * @return the upper limit on the number of entries
     */
    public int getLimitSize() {
        return limitSize;
    }

    @Override
    protected boolean removeEldestEntry(final Map.Entry<K, V> entry) {
        return size() > limitSize;
    }

    
    public HandleCache() {
        this.lruCache = new LinkedHashMap<String, HandleInfo>(maxHandles, 0.75f, true) {
            @Override
            protected boolean removeEldestEntry(Map.Entry<String, HandleInfo> eldest) {
                if (size() > maxHandles) {
                    // Release least recently used non-persistent handle