java elasticsearch add

<dependency>
    <groupId>org.elasticsearch</groupId>
    <artifactId>elasticsearch</artifactId>
    <version>${es.version}</version>
</dependency>
<dependency>
    <groupId>org.elasticsearch.client</groupId>
    <artifactId>transport</artifactId>
    <version>${es.version}</version>
</dependency>
${es.version}版本可以为6.8.*注意es 6.8和7.9有很大变动。7.9.*未做测试
1.建立连接对象
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Properties;

import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.TransportAddress;
import org.elasticsearch.transport.client.PreBuiltTransportClient;

/**
 * @author zhanchaohan
 * 
 */
public class ElasticConfig {
    String ClusterName;
    String EsIp;
    String EsPort;
    
    
    public TransportClient init() throws FileNotFoundException, IOException {
        Properties properties=new Properties();
        properties.load(new FileReader(ElasticConfig.class.getResource("/elasticsearch.properties").getPath()));
        
        Settings settings = Settings.builder().put("cluster.name", properties.getProperty("ClusterName")).build();
        try {
            TransportClient client = new PreBuiltTransportClient(settings)
                    .addTransportAddress(new TransportAddress(InetAddress.getByName(properties.getProperty("EsIp")), Integer.parseInt(properties.getProperty("EsPort"))));
        return client;
        } catch (UnknownHostException e) {
            e.printStackTrace();
        }
        return null;
    }
}

2.add 测试代码

import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Random;

import org.elasticsearch.action.bulk.BulkItemResponse;
import org.elasticsearch.action.bulk.BulkRequestBuilder;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequestBuilder;
import org.elasticsearch.client.transport.TransportClient;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/***
 * 
 * @author zhanchaohan
 *
 */
public class add {
    private TransportClient client;
    private String EsIndex="etest";
    private String EsType="doc";

    @Before
    public void init () throws FileNotFoundException, IOException {
        ElasticConfig ec=new ElasticConfig();
        client=ec.init();
    }

    @After
    public void destroy () {
        if ( client != null ) {
            client.close ();
        }
    }

    // 单条随机ID
    @Test
    public void add () {
        Map<String, Object> data = new HashMap<String, Object> ();
        data.put ( "name", "zhangsan" );
        data.put ( "age", 18 );
        IndexRequestBuilder indexRequestBuilder = client.prepareIndex ( EsIndex, EsType );
        indexRequestBuilder.setSource ( data );
        indexRequestBuilder.execute ();
    }

    // 单条指定ID
    @Test
    public void add1 () {
        Map<String, Object> data = new HashMap<String, Object> ();
        data.put ( "name", "zhangsan" );
        data.put ( "age", 18 );
        IndexRequestBuilder indexRequestBuilder = client.prepareIndex ( EsIndex, EsType, "id01" );
        indexRequestBuilder.setSource ( data );
        indexRequestBuilder.execute ();
    }

    // 单条
    @Test
    public void add2 () {
        IndexRequestBuilder indexRequestBuilder = client.prepareIndex ( EsIndex, EsType );

        indexRequestBuilder.setSource ( "name", "zhangsan", "age", "18" );
        indexRequestBuilder.execute ();
    }

    // 多条
    @Test
    public void add3 () {
        Map<String, Object> map = new HashMap<String, Object> ();
        map.put ( "name", "zhangsan" );
        map.put ( "age", 18 );

        Map<String, Object> map1 = new HashMap<String, Object> ();
        map1.put ( "name", "lisi" );
        map1.put ( "age", 19 );

        BulkRequestBuilder bulkRequestBuilder = client.prepareBulk ();
        bulkRequestBuilder.add ( client.prepareIndex ( EsIndex, EsType ).setSource ( map ) );
        bulkRequestBuilder.add ( client.prepareIndex ( EsIndex, EsType ).setSource ( map1 ) );
        BulkResponse bulkResponse = bulkRequestBuilder.execute ().actionGet ();
        Iterator<BulkItemResponse> bulkItemResponse = bulkResponse.iterator ();
        while ( bulkItemResponse.hasNext () ) {
            BulkItemResponse itemResponse = bulkItemResponse.next ();
            System.out.println ( itemResponse.getItemId () );
        }
    }
    //批量添加
    @Test
    public void add4 () {
        BulkRequestBuilder bulkRequestBuilder = client.prepareBulk ();
        for ( int i = 0 ; i < 2 ; i++ ) {
            Map<String, Object> map = new HashMap<String, Object> ();
            map.put ( "name", "njhiaw" + i );
            map.put ( "gent", "男" );
            map.put ( "age", new Random ().nextInt () * 10 );
            map.put ( "region", "中国" );
            bulkRequestBuilder.add ( client.prepareIndex ( EsIndex, EsType ).setSource ( map ) );
        }

        BulkResponse bulkResponse = bulkRequestBuilder.execute ().actionGet ();
        Iterator<BulkItemResponse> bulkItemResponse = bulkResponse.iterator ();
        while ( bulkItemResponse.hasNext () ) {
            BulkItemResponse itemResponse = bulkItemResponse.next ();
            System.out.println ( itemResponse.getItemId () );
        }
    }
    
    
}
原文地址:https://www.cnblogs.com/zhanchaohan/p/14668853.html