Elasticsearch High level Java Client版本6.0.1实现基于脚本的排序

import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.script.Script;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.elasticsearch.search.sort.ScriptSortBuilder;
import org.elasticsearch.search.sort.SortOrder;

import java.io.IOException;

public class ElasticsearchScriptSortExample {
    public static void main(String[] args) throws IOException {
        // 创建RestHighLevelClient
        RestHighLevelClient client = new RestHighLevelClient();

        // 创建SearchRequest并设置索引名称
        SearchRequest searchRequest = new SearchRequest("your_index_name");

        // 创建SearchSourceBuilder并设置查询条件
        SearchSourceBuilder sourceBuilder = new SearchSourceBuilder();
        sourceBuilder.query(QueryBuilders.matchAllQuery());

        // 创建ScriptSortBuilder并设置排序脚本和排序方向
        ScriptSortBuilder scriptSortBuilder = new ScriptSortBuilder(new Script("your_script"), ScriptSortBuilder.ScriptSortType.NUMBER);
        scriptSortBuilder.order(SortOrder.ASC);

        // 将ScriptSortBuilder添加到SearchSourceBuilder中
        sourceBuilder.sort(scriptSortBuilder);

        // 设置超时时间和SearchSourceBuilder
        searchRequest.source(sourceBuilder);
        searchRequest.timeout(TimeValue.timeValueSeconds(5));

        // 执行搜索请求并获取响应
        SearchResponse searchResponse = client.search(searchRequest, RequestOptions.DEFAULT);

        // 处理搜索结果
        // ...

        // 关闭RestHighLevelClient
        client.close();
    }
}