return new ObjectiveProperties(resourcePath) { // for e.g. checking existence and filtering value
            Cache<String, String> cache = CacheBuilder.newBuilder().build();

            @Override
            public String get(final String propertyKey) {
                final String plainValue = getFromCache(propertyKey);

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