IncrementingLoader loader = incrementingLoader();
    LoadingCache<Integer, Integer> cache =
        CacheBuilder.newBuilder()
            .refreshAfterWrite(3, MILLISECONDS)
            .expireAfterWrite(6, MILLISECONDS)
            .lenientParsing()
            .ticker(ticker)
            .build(loader);
    int expectedLoads = 0;
    int expectedReloads = 0;
    for (int i = 0; i < 3; i++) {

    IncrementingLoader loader = incrementingLoader();
    LoadingCache<Integer, Integer> cache =
        CacheBuilder.newBuilder()
            .refreshAfterWrite(3, MILLISECONDS)
            .expireAfterWrite(6, MILLISECONDS)
            .lenientParsing()
            .ticker(ticker)
            .build(loader);
    int expectedLoads = 0;
    int expectedReloads = 0;
    for (int i = 0; i < 3; i++) {

    checkEmpty(cache);
  }

  public void testGet_expireAfterWrite() {
    Object computed = new Object();
    LoadingCache<Object, Object> cache =
        CacheBuilder.newBuilder()
            .expireAfterWrite(0, SECONDS)
            .removalListener(listener)
            .build(constantLoader(computed));

    Object key = new Object();
    assertThat(cache.getUnchecked(key)).isSameInstanceAs(computed);

    checkEmpty(cache);
  }

  public void testGet_expireAfterWrite() {
    Object computed = new Object();
    LoadingCache<Object, Object> cache =
        CacheBuilder.newBuilder()
            .expireAfterWrite(0, SECONDS)
            .removalListener(listener)
            .build(constantLoader(computed));

    Object key = new Object();
    assertThat(cache.getUnchecked(key)).isSameInstanceAs(computed);

        }
        fessConfig = ComponentUtil.getFessConfig();
        cache = CacheBuilder.newBuilder()
                .maximumSize(fessConfig.getSuggestPopularWordCacheSizeAsInteger().longValue())
                .expireAfterWrite(fessConfig.getSuggestPopularWordCacheExpireAsInteger().longValue(), TimeUnit.MINUTES)
                .build();
    }

    /**
     * Retrieves a list of popular words based on the specified search parameters.

     * @return The created filter cache.
     */
    protected LoadingCache<String, List<Pattern>> createFilterCache(final String type) {
        return CacheBuilder.newBuilder()//
                .expireAfterWrite(filterCacheExpireAfterWrite, TimeUnit.SECONDS)//
                .build(new CacheLoader<String, List<Pattern>>() {

                    /**
                     * Loads filter patterns for the given session ID.

    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }
        crawlingConfigCache = CacheBuilder.newBuilder().maximumSize(100).expireAfterWrite(10, TimeUnit.MINUTES).build();
    }

    /**
     * Determines the configuration type from a given config ID.
     * The config type is identified by the first character of the config ID.
     *

     */
    @PostConstruct
    public void init() {
        statsLogger = LogManager.getLogger(loggerName);
        statsCache = CacheBuilder.newBuilder()
                .maximumSize(maxCacheSize)
                .expireAfterWrite(cacheExpireAfterWrite, TimeUnit.MILLISECONDS)
                .build(new CacheLoader<String, StatsObject>() {
                    @Override
                    public StatsObject load(final String key) {

     * The cache expires after 10 minutes and has a maximum size of 1000 entries.
     */
    private static LoadingCache<String, Long> resourceHashCache =
            CacheBuilder.newBuilder().maximumSize(1000).expireAfterWrite(10, TimeUnit.MINUTES).build(new CacheLoader<String, Long>() {
                @Override
                public Long load(final String key) throws Exception {
                    try {

            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }
        userInfoCache = CacheBuilder.newBuilder()//
                .maximumSize(userInfoCacheSize)//
                .expireAfterWrite(userCheckInterval, TimeUnit.MILLISECONDS)//
                .build(new CacheLoader<String, UserInfo>() {
                    @Override
                    public UserInfo load(final String key) throws Exception {