* The behavior for users.
     */
    @Resource
    protected UserBhv userBhv;

    /**
     * Constructor.
     */
    public RoleService() {
        super();
    }

    /**
     * Gets a list of roles based on the pager.
     * @param rolePager The pager for roles.
     * @return A list of roles.
     */
    public List<Role> getRoleList(final RolePager rolePager) {

            this.url = url;
            this.depth = depth;
        }

        /**
         * Gets the URL of this crawl request.
         *
         * @return the URL to be crawled
         */
        public String getUrl() {
            return url;
        }

        /**
         * Gets the depth of this crawl request in the crawling hierarchy.
         *
         * @return the crawling depth

    }

    /**
     * Gets the user ID.
     *
     * @return the user ID
     */
    public String getUserId() {
        return userId;
    }

    /**
     * Sets the user ID.
     *
     * @param userId the user ID
     */
    public void setUserId(final String userId) {
        this.userId = userId;
    }

    /**
     * Gets the creation timestamp.
     *

    return new WeakReference<>(striped.get(new Object()));
  }

  public void testWeakReadWrite() {
    Striped<ReadWriteLock> striped = Striped.lazyWeakReadWriteLock(1000);
    Object key = new Object();
    Lock readLock = striped.get(key).readLock();
    WeakReference<Object> garbage = createGarbage();
    GcFinalization.awaitClear(garbage);
    Lock writeLock = striped.get(key).writeLock();
    readLock.lock();

    return new WeakReference<>(striped.get(new Object()));
  }

  public void testWeakReadWrite() {
    Striped<ReadWriteLock> striped = Striped.lazyWeakReadWriteLock(1000);
    Object key = new Object();
    Lock readLock = striped.get(key).readLock();
    WeakReference<Object> garbage = createGarbage();
    GcFinalization.awaitClear(garbage);
    Lock writeLock = striped.get(key).writeLock();
    readLock.lock();

        extraParams.put(key, value);
        return this;
    }

    /**
     * Gets a single extra parameter value.
     *
     * @param key the parameter key
     * @return the parameter value, or {@code null} if not set
     */
    public String getExtraParam(final String key) {
        return extraParams != null ? extraParams.get(key) : null;
    }

            }
            return null;
        }
        return session;
    }

    /**
     * Gets a session by ID.
     *
     * @param sessionId the session ID
     * @return the session, or null if not found or expired
     */
    public ChatSession getSession(final String sessionId) {

        final String pLC = pageCacheMap.get(pathLC);
        if (pLC != null) {
            return pLC;
        }
        if (existsPage(pathLC)) {
            pageCacheMap.put(pathLC, pathLC);
            return pathLC;
        }

        final String pathL = getLocalizedPagePath(page, lang, null);
        final String pL = pageCacheMap.get(pathL);
        if (pL != null) {
            return pL;

                .sorted((doc1, doc2) -> Float.compare(toFloat(doc2.get(scoreField)), toFloat(doc1.get(scoreField))))
                .toList();

        // Calculate offset based on documents not in main searcher's top results
        int offset = 0;
        for (int i = 0; i < windowSize / 2 && i < fusedDocs.size(); i++) {
            if (!mainSearcherIdSet.contains(fusedDocs.get(i).get(idField))) {
                offset++;
            }

    protected Map<String, Object> getMapValue(final Map<String, Object> map, final String key) {
        final Object value = map.get(key);
        if (value instanceof Map) {
            return (Map<String, Object>) value;
        }
        return null;
    }

    /**
     * Gets a list value from the given map.
     *
     * @param map the source map.
     * @param key the key to look up.