final String allPageCount = Integer.toString(data.getAllPageCount());
            final List<Map<String, Object>> documentItems = data.getDocumentItems();
            final FacetResponse facetResponse = data.getFacetResponse();
            final String queryId = data.getQueryId();
            final String highlightParams = data.getAppendHighlightParams();
            final boolean nextPage = data.isExistNextPage();

                if (logger.isDebugEnabled()) {
                    logger.debug("loaded facet data: {}", data);
                }
                return data.getFacetResponse();
            });
        } catch (final ExecutionException e) {
            throw new FessSystemException("Cannot load facet from cache.", e);
        }
    }

    /**