}

            @Override
            public int getPurgeJobLogDay() {
                return 14;
            }

            @Override
            public int getPurgeUserInfoDay() {
                return 7;
            }
        };

        // Register components
        ComponentUtil.register(crawlingInfoService, CrawlingInfoService.class.getCanonicalName());

    }

    default void setPurgeUserInfoDay(final int value) {
        setSystemPropertyAsInt(Constants.PURGE_USER_INFO_DAY_PROPERTY, value);
    }

    default int getPurgeUserInfoDay() {
        return getSystemPropertyAsInt(Constants.PURGE_USER_INFO_DAY_PROPERTY, DfTypeUtil.toInteger(Constants.DEFAULT_PURGE_DAY));
    }

    default void setPurgeByBots(final String value) {

        form.purgeSearchLogDay = fessConfig.getPurgeSearchLogDay();
        form.purgeJobLogDay = fessConfig.getPurgeJobLogDay();
        form.purgeUserInfoDay = fessConfig.getPurgeUserInfoDay();
        form.purgeByBots = fessConfig.getPurgeByBots();
        form.notificationTo = fessConfig.getNotificationTo();
        form.suggestSearchLog = fessConfig.isSuggestSearchLog() ? Constants.TRUE : Constants.FALSE;