public String getUrlId() {
        checkSpecifiedProperty("urlId");
        return convertEmptyToNull(urlId);
    }

    public void setUrlId(String value) {
        registerModifiedProperty("urlId");
        this.urlId = value;
    }

    public String getDocId() {
        checkSpecifiedProperty("docId");
        return convertEmptyToNull(docId);

            if (userSessionId != null) {
                final SearchLogHelper searchLogHelper = ComponentUtil.getSearchLogHelper();
                final ClickLog clickLog = new ClickLog();
                clickLog.setUrlId((String) doc.get(fessConfig.getIndexFieldId()));
                clickLog.setUrl(url);
                clickLog.setRequestedAt(systemHelper.getCurrentTimeAsLocalDateTime());

    protected <RESULT extends ClickLog> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setUrlId(DfTypeUtil.toString(source.get("urlId")));
            result.setDocId(DfTypeUtil.toString(source.get("docId")));
            result.setOrder(DfTypeUtil.toInteger(source.get("order")));

    //                                       ---------------
    protected final Map<String, PropertyGateway> _epgMap = newHashMap();
    {
        setupEpg(_epgMap, et -> ((ClickLog) et).getUrlId(), (et, vl) -> ((ClickLog) et).setUrlId(DfTypeUtil.toString(vl)), "urlId");
        setupEpg(_epgMap, et -> ((ClickLog) et).getDocId(), (et, vl) -> ((ClickLog) et).setDocId(DfTypeUtil.toString(vl)), "docId");