this.client = client;
    }

    /**
     * Returns the maximum retry count.
     * @return The maximum retry count.
     */
    public int getMaxRetryCount() {
        return maxRetryCount;
    }

    /**
     * Sets the maximum retry count.
     * @param maxRetryCount The maximum retry count.
     */
    public void setMaxRetryCount(final int maxRetryCount) {

            AtomicInteger count = new AtomicInteger();
            String[] queryLogs = new String[] { field + ":検索", field + ":fess", field + ":検索エンジン" };

            @Override
            public QueryLog read() {
                if (count.get() >= queryLogs.length) {
                    return null;
                }
                return new QueryLog(queryLogs[count.getAndIncrement()], null);
            }

            if (now - previousTime < interval) {
                throw new IllegalStateException();
            }
            previousTime = now;

            count++;
            if (count <= exceptionCount) {
                throw new CrawlerSystemException("exception " + count);
            }

            final ResponseData responseData = new ResponseData();
            responseData.setUrl(request.getUrl());

        // CrawlerContext crawlerContext = (CrawlerContext) objs[0];
    }

    /**
     * Processes no URL in queue log events.
     *
     * @param objs the log objects (should contain UrlQueue and thread check count)
     */
    protected void processNoUrlInQueue(final Object... objs) {
        // CrawlerContext crawlerContext = (CrawlerContext) objs[0];
        final UrlQueue<?> urlQueue = (UrlQueue<?>) objs[1];

     *
     * @param accessResult the list of access results to update
     */
    void update(List<RESULT> accessResult);

    /**
     * Returns the count of access results for the given session ID.
     *
     * @param sessionId the session ID
     * @return the count of access results
     */
    int getCount(String sessionId);

    /**
     * Deletes access results for the given session ID.
     *

     *
     * @return the maximum duplicated path count
     */
    public int getMaxDuplicatedPath() {
        return maxDuplicatedPath;
    }

    /**
     * Sets the maximum number of duplicated paths to attempt.
     *
     * @param maxDuplicatedPath the maximum duplicated path count to set
     */
    public void setMaxDuplicatedPath(final int maxDuplicatedPath) {

 * NodeList nodes = xPathAPI.selectNodeList(contextNode, "//example");
 * Node singleNode = xPathAPI.selectSingleNode(contextNode, "//example[1]");
 * XPathEvaluationResult<?> result = xPathAPI.eval(contextNode, "count(//example)");
 * }
 * </pre>
 *
 * <p>Note: This class is not thread-safe. Each thread should create its own instance of XPathAPI.</p>
 *
 * @see javax.xml.xpath.XPath
 * @see javax.xml.xpath.XPathFactory

            }
            arMap.put(accessResult.getUrl(), accessResult);
        }

    }

    /**
     * Gets the count of access results for the specified session.
     *
     * @param sessionId the session ID
     * @return the count of access results
     */
    @Override
    public int getCount(final String sessionId) {
        return dataHelper.getAccessResultMap(sessionId).size();

     */
    public SuggestItem toSuggestItem() {
        final String[][] readingArray =
                this.getReadings().stream().map(reading -> new String[] { reading }).toArray(count -> new String[count][]);
        return new SuggestItem(new String[] { this.getElevateWord() }, readingArray, fields.toArray(new String[fields.size()]), 1, 0,

    protected boolean noWaitOnFolder = false;

    /**
     * Increments the active thread count.
     */
    protected void startCrawling() {
        synchronized (crawlerContext.activeThreadCountLock) {
            crawlerContext.activeThreadCount++;
        }
    }

    /**
     * Decrements the active thread count.
     */
    protected void finishCrawling() {