logger.debug("Initializing {}", this.getClass().getSimpleName());
        }
        fessConfig = ComponentUtil.getFessConfig();
        cache = CacheBuilder.newBuilder()
                .maximumSize(fessConfig.getSuggestPopularWordCacheSizeAsInteger().longValue())
                .expireAfterWrite(fessConfig.getSuggestPopularWordCacheExpireAsInteger().longValue(), TimeUnit.MINUTES)
                .build();
    }

    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

     * 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 {

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

     * The cache expires after 5 minutes and has a maximum size of 10 entries.
     */
    protected LoadingCache<ArtifactType, Artifact[]> availableArtifacts = CacheBuilder.newBuilder()
            .maximumSize(10)
            .expireAfterWrite(5, TimeUnit.MINUTES)
            .build(new CacheLoader<ArtifactType, Artifact[]>() {
                @Override
                public Artifact[] load(final ArtifactType key) {

            if (logger.isDebugEnabled()) {
                logger.debug("loaded {}", facetQueryView);
            }
        }));

        facetCache = CacheBuilder.newBuilder().maximumSize(1000).expireAfterWrite(facetCacheDuration, TimeUnit.SECONDS).build();

        textFragmentPrefixLength = fessConfig.getQueryHighlightTextFragmentPrefixLengthAsInteger();

        filterPathEncoding = fessConfig.getPathEncoding();
        supportedLanguages = fessConfig.getSupportedLanguagesAsArray();
        langItemsCache = CacheBuilder.newBuilder()
                .maximumSize(20)
                .expireAfterAccess(1, TimeUnit.HOURS)
                .build(new CacheLoader<String, List<Map<String, String>>>() {
                    @Override

    if (evictsBySize() && !customWeigher()) {
      initialCapacity = (int) min(initialCapacity, maxWeight);
    }

    // Find the lowest power-of-two segmentCount that exceeds concurrencyLevel, unless
    // maximumSize/Weight is specified in which case ensure that each segment gets at least 10
    // entries. The special casing for size-based eviction is only necessary because that eviction