flist.add(new FunctionScoreQueryBuilder.FilterFunctionBuilder(ScoreFunctionBuilders.randomFunction()
                    .seed(ComponentUtil.getSystemHelper().getCurrentTimeAsLong())
                    .setField(fessConfig.getIndexFieldDocId())));
            reader.setQuery(QueryBuilders
                    .functionScoreQuery(QueryBuilders.matchAllQuery(),

    }

    /**
     * Test reflection access to constants
     */
    @Test
    public void test_reflectionAccess() throws Exception {
        Class<?> clazz = FessLabels.class;
        Field field = clazz.getField("LABELS_LOGIN");
        assertNotNull(field);
        assertEquals(String.class, field.getType());
        assertTrue(Modifier.isPublic(field.getModifiers()));
        assertTrue(Modifier.isStatic(field.getModifiers()));