java客户端的elasticSearch索引库的相关操作

package com.hope.es;

import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.InetSocketTransportAddress;
import org.elasticsearch.transport.client.PreBuiltTransportClient;
import org.junit.Test;

import java.net.InetAddress;

/**
 * 创建索引库
 * @author newcityman
 * @date 2020/1/16 - 18:24
 */
public class ElasticSearchClient {
    @Test
    public void createIndex() throws Exception{
        //1、创建一个setting对象，相当于一个配置信息，主要配置集群的名称
        Settings settings = Settings.builder()
                .put("cluster.name", "my‐elasticsearch").build();
        //2、创建一个客户端client对象
        TransportClient client = new PreBuiltTransportClient(settings);
        client.addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName("127.0.0.1"),9301));
        client.addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName("127.0.0.1"),9302));
        client.addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName("127.0.0.1"),9303));
        //3、使用client对象，创建一个索引库
        client.admin().indices().prepareCreate("index_hello").get();
        //4、关闭client对象
        client.close();
    }
 /**
 * 给索引库创建mappings
 * @throws Exception
 */
@Test
public void setMapping() throws Exception {
    //1、创建一个setting对象
    Settings settings = Settings.builder().
            put("cluster.name", "my‐elasticsearch").build();
    //2、创建一个TransportClient对象，
    TransportClient client = new PreBuiltTransportClient(settings)
            .addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName("127.0.0.1"), 9301))
            .addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName("127.0.0.1"), 9302))
            .addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName("127.0.0.1"), 9303));
    //3、创建一个Mappings信息
  /*  {
          "article":{
            "properties":{
                "id":{
                            "type":"long",
                            "store":true
                },
                "title":{
                           "type":"text",
                            "store":true,
                            "analyzer":"ik_smart"
                },
                "content":{
                            "type":"text",
                            "store":true,
                            "analyzer":"ik_smart"
                }
            }
        }
    }*/
    XContentBuilder builder= XContentFactory.jsonBuilder()
            .startObject()
                .startObject("article")
                   .startObject("properties")
                      .startObject("id")
                         .field("type","long")
                         .field("store",true)
                      .endObject()
                      .startObject("title")
                         .field("type","text")
                         .field("store",true)
                         .field("analyzer","ik_smart")
                      .endObject()
                      .startObject("content")
                         .field("type","text")
                         .field("store",true)
                         .field("analyzer","ik_smart")
                      .endObject()
                   .endObject()
                .endObject()
            .endObject();
    //4、使用client向es服务器发送mapping信息
    client.admin().indices()
            //设置要做映射的索引
            .preparePutMapping("index_hello")
            //设置要做映射的type
            .setType("article")
            //mapping信息，可以使XContenxtBuilder对象，也可以使json格式的字符串
            .setSource(builder)
            //执行操作
            .get();
    //5、关闭client
    client.close();
   }
}