ElasticsearchService.java

public List<ElasticsearchPost> dismaxSearch(String value, int start, int size, float minScore) {

    QueryBuilder queryBuilder = getQueryBuilder(value);

    Client client = elasticsearchTemplate.getClient();
    SearchResponse response = client.prepareSearch()
            .setQuery(queryBuilder)
            .setSize(size)
            .setFrom(start)
            .setMinScore(minScore)
            .addSort("_score", SortOrder.DESC)
            .setExplain(true)
            .execute()
            .actionGet();
    List<SearchHit> searchHits = Arrays.asList(response.getHits().getHits());
    ObjectMapper mapper = new ObjectMapper();
    List<ElasticsearchPost> elasticsearchPosts = new ArrayList<>();
    searchHits.forEach(hit -> {
        try {
            elasticsearchPosts.add(mapper.readValue(hit.getSourceAsString(), ElasticsearchPost.class));
            elasticsearchPosts.get(elasticsearchPosts.size() - 1).setScore(hit.getScore());
        } catch (IOException e) {
            e.printStackTrace();
        }
    });

    return elasticsearchPosts;
}