ElasticSearch（四）：使用Java连接ElasticSearch集群

public class ESIndexMapping {  2     
    private static String host="192.168.56.3"; // 服务器地址
    private static int port=9300; // 端口
    
    public static final String CLUSTER_NAME = "my-application"; //集群名称
    
    private TransportClient client=null;  9     
    private static Settings settings= Settings.builder() 11             .put("cluster.name",CLUSTER_NAME) 12             .put("client.transport.sniff", true) 13  .build(); 14     
    //获取客户端
    @SuppressWarnings({ "resource", "unchecked" }) 17  @Before 18     public void getClient() throws Exception { 19         try { 20             client = new PreBuiltTransportClient(settings) 21                     .addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName(host),port)); 22         } catch (Exception e) { 23             // TODO Auto-generated catch block
 e.printStackTrace(); 25  } 26  } 27     
    //关闭客户端
 @After 30     public void close() { 31         if(client!=null) { 32  client.close(); 33  } 34  } 35 }