elasticsearch选择器聚合，分组返回聚合结果_elasticsearchclient.search实现分组返回map-优快云博客

本文链接：https://blog.youkuaiyun.com/tianjun2012/article/details/78582627

本文详细介绍了如何在Elasticsearch中利用选择器进行数据聚合，实现高效的分组查询，从而获取聚合结果。通过实例解析了不同类型的聚合函数及其在实际场景中的应用。

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package tianjun.cmcc.es;

import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

import org.apache.log4j.Logger;
import org.elasticsearch.action.search.SearchRequestBuilder;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.InetSocketTransportAddress;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.script.Script;
import org.elasticsearch.search.aggregations.AggregationBuilders;
import org.elasticsearch.search.aggregations.bucket.filter.FilterAggregationBuilder;
import org.elasticsearch.search.aggregations.bucket.range.date.DateRangeAggregationBuilder;
import org.elasticsearch.search.aggregations.bucket.range.date.InternalDateRange;
import org.elasticsearch.search.aggregations.bucket.terms.Terms;
import org.elasticsearch.search.aggregations.bucket.terms.TermsAggregationBuilder;
import org.elasticsearch.search.aggregations.bucket.terms.support.IncludeExclude;
import org.elasticsearch.search.aggregations.metrics.cardinality.InternalCardinality;
import org.elasticsearch.search.aggregations.pipeline.PipelineAggregatorBuilders;
import org.elasticsearch.search.aggregations.pipeline.bucketselector.BucketSelectorPipelineAggregationBuilder;
import org.elasticsearch.transport.client.PreBuiltTransportClient;

public class Funnel {
    private String[] ips = null;
    private Integer[] ports = null;
    private String clusterName=null;
    private TransportClient client = null;

    private Logger logger =Logger.getLogger(this.getClass());

    public String[] getIps() {
        return ips;
    }
    public void setIps(String[] ips) {
        this