es的scroll api使用

MatchQueryBuilder matchQueryBuilder = new MatchQueryBuilder("app",app);        SearchQuery query = new NativeSearchQueryBuilder()                .withIndices(index)                .withTypes(type)                .withQuery(matchQueryBuilder)                .withPageable(page)                .build();        long scollTimeInMillis = 1000;        String scrollId = elasticsearchTemplate.scan(query, scollTimeInMillis, false);        boolean hasRecords = true;        long totalCount = 0;        while (hasRecords) {            Page<LogDetail> page = elasticsearchTemplate.scroll(scrollId, scollTimeInMillis, LogDetail.class);            if (page.hasContent()) {                LOGGER.info("page number:{}",page.getNumberOfElements());                totalCount += page.getNumberOfElements();            } else {                hasRecords = false;            }        }        //clear scroll        elasticsearchTemplate.clearScroll(scrollId);

public FacetedPageWithScore searchResumeByConditionForPage(final SearchQuery searchQuery) {
return elasticsearchTemplate.query(searchQuery, new ResultsExtractor<FacetedPageWithScore>() {
@Override
public FacetedPageWithScore extract(SearchResponse response) {
final List<SearchResumeWithScore> scoreResumeList = new ArrayList<>();
ResultsMapper mapper = new DefaultResultMapper(elasticsearchTemplate.getElasticsearchConverter().getMappingContext());
FacetedPage<SearchResume> searchResult = mapper.mapResults(response, SearchResume.class, searchQuery.getPageable());
List<SearchResume> content = searchResult.getContent();
Map<Long, SearchResume> mapSearchResume = new HashMap<>();
for (SearchResume searchResume: content){
mapSearchResume.put(searchResume.getId(), searchResume);
}

SearchHits searchHits = response.getHits();
for(SearchHit searchhit:searchHits){
Long id = (Long) searchhit.getSource().get("id");
SearchResumeWithScore scoreResume = new SearchResumeWithScore();
scoreResume.setSearchResume(mapSearchResume.get(id));
// scoreResume.setScore(searchhit.getScore()) 会出现NaN异常
try{
float score = searchhit.getScore();
if(score > 0){
scoreResume.setScore(score);
}else{
scoreResume.setScore(0.0f);
}
}catch(Exception e){
scoreResume.setScore(0.0f);
}
scoreResumeList.add(scoreResume);
}
FacetedPageWithScore facetedPageWithScore = new FacetedPageWithScore(scoreResumeList, searchResult.getTotalPages());
return facetedPageWithScore;
}
});
}