return;
        }
        clickLogQueue.add(clickLog);
    }

    /**
     * Stores search logs from the queue.
     */
    public void storeSearchLog() {
        storeSearchLogFromQueue();
        storeClickLogFromQueue();
    }

    /**
     * Stores click logs from the queue.
     */
    protected void storeClickLogFromQueue() {
        if (!clickLogQueue.isEmpty()) {