return totalHits;
    }

    /**
     * Sets the time taken for the search in milliseconds.
     * @param tookInMillis The time taken in milliseconds.
     */
    public void setTookInMillis(final long tookInMillis) {
        this.tookInMillis = tookInMillis;
    }

    /**
     * Returns the time taken for the search in milliseconds.
     * @return The time taken in milliseconds.
     */
    public long getTookInMillis() {

     * an Atom file, RSS file or a simple text file.
     */
    private String loc;

    /**
     * Identifies the time that the corresponding Sitemap file was modified. It
     * does not correspond to the time that any of the pages listed in that
     * Sitemap were changed. The value for the lastmod tag should be in W3C
     * Datetime format.
     *

    /**
     * Returns the creation time of the access result.
     *
     * @return the creation time
     */
    Long getCreateTime();

    /**
     * Sets the creation time of the access result.
     *
     * @param createTime the creation time
     */
    void setCreateTime(Long createTime);

    /**
     * Returns the execution time of the access.
     *

    /**
     * Field name for MIME type.
     */
    public static final String MIME_TYPE = "mimeType";

    /**
     * Field name for creation time.
     */
    public static final String CREATE_TIME = "createTime";

    /**
     * Field name for execution time.
     */
    public static final String EXECUTION_TIME = "executionTime";

    /**
     * Field name for content length.
     */

 * It uses a ConcurrentMap to store the last access time for each host.
 * The delayBeforeProcessing method is overridden to introduce a delay before processing a URL,
 * ensuring that requests to the same host are not made too frequently.
 * The delay is calculated based on the configured delayMillisBeforeProcessing parameter.
 * If the time since the last request to the host is less than the configured delay,

    public static final String DEPTH = "depth";

    /**
     * Field name for last modified timestamp.
     */
    public static final String LAST_MODIFIED = "lastModified";

    /**
     * Field name for creation time.
     */
    public static final String CREATE_TIME = "createTime";

    /**
     * Field name for weight.
     */
    public static final String WEIGHT = "weight";

    /**

     */
    void setLastModified(Long lastModified);

    /**
     * Returns the creation time of the URL queue entry.
     *
     * @return the creation time as a Long value.
     */
    Long getCreateTime();

    /**
     * Sets the creation time of the URL queue.
     *
     * @param createTime the creation time to set, represented as a Long value.
     */
    void setCreateTime(Long createTime);

     */
    @Override
    public boolean markSupported() {
        return fileInputStream.markSupported();
    }

    /**
     * Repositions this stream to the position at the time the mark method was last called on this input stream.
     * This method delegates to {@link FileInputStream#reset()}.
     *
     * @throws IOException if an I/O error occurs.
     */
    @Override

/**
 * Implementation of the {@link UrlQueue} interface.
 * This class represents a URL to be crawled, storing its ID, session ID,
 * HTTP method, URL, metadata, encoding, parent URL, depth, last modified time,
 * creation time, and weight.
 *
 * @param <IDTYPE> the type of the identifier for the URL queue entry
 */
public class UrlQueueImpl<IDTYPE> implements UrlQueue<IDTYPE> {
    /** The unique identifier for the URL queue entry. */

        final List<Callable<Integer>> tasks = new ArrayList<Callable<Integer>>();
        for (int i = 0; i < numTasks; i++) {
            tasks.add(testCallable);
        }

        // 時間取得
        final long time = System.nanoTime();

        // Callableタスク(複数)を実行する
        final ExecutorService executor = Executors.newFixedThreadPool(numTasks);
        try {
            final List<Future<Integer>> futures = executor.invokeAll(tasks);