*/
    @Override
    public void delay(final int type) {
        try {
            switch (type) {
            case PRE_PROCESSING:
                delayBeforeProcessing();
                break;
            case POST_PROCESSING:
                delayAfterProcessing();
                break;
            case NO_URL_IN_QUEUE:
                delayAtNoUrlInQueue();

        super(params);
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.interval.impl.AbstractIntervalController#
     * delayBeforeProcessing()
     */
    @Override
    protected void delayBeforeProcessing() {
        final UrlQueue<?> urlQueue = CrawlingParameterUtil.getUrlQueue();
        if (urlQueue == null) {
            return;
        }

        }
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.interval.impl.AbstractIntervalController#
     * delayBeforeProcessing()
     */
    @Override
    protected void delayBeforeProcessing() {
        if (delayMillisBeforeProcessing > 0) {
            ThreadUtil.sleep(delayMillisBeforeProcessing);
        }
    }

    /*
     * (non-Javadoc)
     *

        final Callable<Integer> testCallable = new Callable<Integer>() {
            public Integer call() throws Exception {
                CrawlingParameterUtil.setUrlQueue(q);
                controller.delayBeforeProcessing();
                return 0;
            }
        };

        // Callableタスクを複数生成
        final List<Callable<Integer>> tasks = new ArrayList<Callable<Integer>>();
        for (int i = 0; i < numTasks; i++) {