return activeThreadCount.decrementAndGet();
    }

    /**
     * Returns the access count.
     * @return The access count.
     */
    public long getAccessCount() {
        return accessCount.get();
    }

    /**
     * Increments the access count and returns the new value.
     * @return The incremented access count.
     */

        boolean isContinue = false;
        if (tcCount < crawlerContext.maxThreadCheckCount) {
            final long maxAccessCount = crawlerContext.getMaxAccessCount();
            if (maxAccessCount > 0 && crawlerContext.getAccessCount() >= maxAccessCount) {
                return false;
            }
            isContinue = true;
        }

        if (!isContinue && crawlerContext.getActiveThreadCount() > 0) {