关于Java highlevel rest client 的 slice 请问大佬们有实例参考吗？

@Autowired

	private RestHighLevelClient restHighLevelClient; 



	@Override

	public List<ResultDto> searchHighLevelClientToken( List<String> strList) {

		Long start = System.currentTimeMillis();

        //初始化scroll

        final Scroll scroll = new Scroll(TimeValue.timeValueMinutes(1L)); //设定滚动时间间隔

        SearchRequest searchRequest = new SearchRequest();

        searchRequest.indices(INDEX_NAME);

        searchRequest.scroll(scroll);



        SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();

        BoolQueryBuilder queryBuilder = QueryBuilders.boolQuery().filter(QueryBuilders.boolQuery()

//        		.should(QueryBuilders.termQuery("last_visit.grid.key", gridKey))

//        		.should(QueryBuilders.termQuery("company.key", gridKey))

//        		.should(QueryBuilders.termQuery("home.key", gridKey)))

        		

 //       		.should(QueryBuilders.termsQuery("last_visit.grid.key", strList))

        		.should(QueryBuilders.termsQuery("company.key", strList))

        		.should(QueryBuilders.termsQuery("home.key", strList)))

        		.filter(QueryBuilders.existsQuery("token"))

        		;

        searchSourceBuilder.query(queryBuilder);

        searchSourceBuilder.size(10000); //设定每次返回多少条数据

        searchSourceBuilder.sort("_doc", SortOrder.ASC);//如果对scroll取出的数据顺序没有要求的话，则可以对“_doc”进行排序，es对这种排序做了优化。

        String[] includes = new String[] {"uid","token", "company.poi", "home.poi"};

        String[] excludes = new String[] {};//{"uid", "main_location.*", "last_visit.*"};

        searchSourceBuilder.fetchSource(includes, excludes);//ES里该index内存的文档，可能存了很多我们不关心的字段，全返回没必要，所以指定有用的字段

        searchRequest.source(searchSourceBuilder);



		SearchResponse searchResponse = null;

        try {

            searchResponse = restHighLevelClient.search(searchRequest, RequestOptions.DEFAULT);

        } catch (IOException e) {

            e.printStackTrace();

        }

        String scrollId = searchResponse.getScrollId();

        SearchHit[] searchHits = searchResponse.getHits().getHits();

        int a = searchHits.length;

        System.out.println(a);

        TimeValue took = searchResponse.getTook(); // 查询占用的时间

        log.info("es查询耗时:{}", took);

        List<ResultDto> resultList = new ArrayList<ResultDto>();

        setSearchHitResult(resultList,searchHits);

        		        

        //遍历搜索命中的数据，直到没有数据

        while (searchHits != null && searchHits.length > 0) {

            SearchScrollRequest scrollRequest = new SearchScrollRequest(scrollId);

            scrollRequest.scroll(scroll);

            try {

                searchResponse = restHighLevelClient.scroll(scrollRequest, RequestOptions.DEFAULT);

            } catch (IOException e) {

                e.printStackTrace();

            }

            scrollId = searchResponse.getScrollId();

            searchHits = searchResponse.getHits().getHits();

            TimeValue took1 = searchResponse.getTook(); // 查询占用的时间

            log.info("循环中es查询耗时:{}", took1);

            setSearchHitResult(resultList,searchHits);

        }

        

        System.out.println("查询总命中数：" + resultList.size());

        //清除滚屏

        ClearScrollRequest clearScrollRequest = new ClearScrollRequest();

        clearScrollRequest.addScrollId(scrollId);//也可以选择setScrollIds()将多个scrollId一起使用

        ClearScrollResponse clearScrollResponse = null;

        try {

            clearScrollResponse = restHighLevelClient.clearScroll(clearScrollRequest,RequestOptions.DEFAULT);

        } catch (IOException e) {

            e.printStackTrace();

        }

        boolean succeeded = clearScrollResponse.isSucceeded();

        System.out.println("succeeded:" + succeeded);

        Long end = System.currentTimeMillis();

        log.info("RestHighLevelClient search time consuming:{}ms", end - start);

		return resultList;

	}

    List<ResultDto> setSearchHitResult(List<ResultDto> resultList, SearchHit[] searchHits)

    {

        if (searchHits != null && searchHits.length > 0) {

            for (SearchHit searchHit : searchHits) {

                GridTokenInfo gti = JSON.parseObject(searchHit.getSourceAsString(), GridTokenInfo.class);

                ResultDto rd = new ResultDto();

                if(StringUtils.isNotBlank(gti.getUid())) {

                    rd.setId(gti.getUid());

                }

                if(StringUtils.isNotBlank(gti.getToken())) {

                    rd.setTk(gti.getToken());

                }

                if(gti.getCompany() != null && StringUtils.isNotBlank(gti.getCompany().getPoi())) {

                    rd.setPoi(gti.getCompany().getPoi());

                }

               else if(gti.getHome() != null && StringUtils.isNotBlank(gti.getHome().getPoi())) {

                    rd.setPoi(gti.getHome().getPoi());

                }

                resultList.add(rd);

            }

        }

        return resultList;

    }