final Map<String, Object> docMap = new HashMap<>(32);
        if (searchHit.getSourceAsMap() == null) {
            searchHit.getFields().forEach((key, value) -> {
                docMap.put(key, value.getValue());
            });
        } else {
            docMap.putAll(searchHit.getSourceAsMap());
        }

        final ViewHelper viewHelper = ComponentUtil.getViewHelper();

                            .build();
                }, (searchResponse, hit) -> {
                    final Map<String, Object> docMap = new HashMap<>();
                    final Map<String, Object> source = hit.getSourceAsMap();
                    if (source != null) {
                        docMap.putAll(source);
                    }
                    final Map<String, DocumentField> fields = hit.getFields();

        return getDocument(index, condition, (response, hit) -> {
            final FessConfig fessConfig = ComponentUtil.getFessConfig();
            final Map<String, Object> source = hit.getSourceAsMap();
            if (source != null) {
                final Map<String, Object> docMap = new HashMap<>(source);
                docMap.put(fessConfig.getIndexFieldId(), hit.getId());