spring boot 集成elastic search

配置文件配置es 的ip和端口

application.yml

elasticsearch:
  host: ip
  port: port
  schema: http
  connectNum: 50
  connectPerRoute: 10

创建es工厂，无需改动

import org.apache.http.HttpHost;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.impl.nio.client.HttpAsyncClientBuilder;
import org.elasticsearch.client.RestClient;
import org.elasticsearch.client.RestClientBuilder;
import org.elasticsearch.client.RestHighLevelClient;

import java.io.IOException;

/**
 * es工厂
 */
public class EsClientSpringFactory {

    public static int CONNECT_TIMEOUT_MILLIS = 1000;
    public static int SOCKET_TIMEOUT_MILLIS = 30000;
    public static int CONNECTION_REQUEST_TIMEOUT_MILLIS = 500;
    public static int MAX_CONN_PER_ROUTE = 10;
    public static int MAX_CONN_TOTAL = 30;

    private static HttpHost[] HTTP_HOST;
    private RestClientBuilder builder;
    private RestClient restClient;
    private RestHighLevelClient restHighLevelClient;

    private static EsClientSpringFactory esClientSpringFactory = new EsClientSpringFactory();

    private EsClientSpringFactory(){}

    public static EsClientSpringFactory build(HttpHost[] httpHost,
                                              Integer maxConnectNum, Integer maxConnectPerRoute){
        HTTP_HOST = httpHost;
        MAX_CONN_TOTAL = maxConnectNum;
        MAX_CONN_PER_ROUTE = maxConnectPerRoute;
        return  esClientSpringFactory;
    }

    public static EsClientSpringFactory build(HttpHost[] httpHost, Integer connectTimeOut, Integer socketTimeOut,
                                              Integer connectionRequestTime, Integer maxConnectNum, Integer maxConnectPerRoute){
        HTTP_HOST = httpHost;
        CONNECT_TIMEOUT_MILLIS = connectTimeOut;
        SOCKET_TIMEOUT_MILLIS = socketTimeOut;
        CONNECTION_REQUEST_TIMEOUT_MILLIS = connectionRequestTime;
        MAX_CONN_TOTAL = maxConnectNum;
        MAX_CONN_PER_ROUTE = maxConnectPerRoute;
        return  esClientSpringFactory;
    }


    public void init(){
        builder = RestClient.builder(HTTP_HOST);
        setConnectTimeOutConfig();
        setMutiConnectConfig();
        restClient = builder.build();
        restHighLevelClient = new RestHighLevelClient(builder);
        System.out.println("init factory");
    }
    /**
     * 配置连接时间延时
      */
    public void setConnectTimeOutConfig(){
        builder.setRequestConfigCallback(new RestClientBuilder.RequestConfigCallback() {

            @Override
            public RequestConfig.Builder customizeRequestConfig(RequestConfig.Builder requestConfigBuilder) {
                requestConfigBuilder.setConnectTimeout(CONNECT_TIMEOUT_MILLIS);
                requestConfigBuilder.setSocketTimeout(SOCKET_TIMEOUT_MILLIS);
                requestConfigBuilder.setConnectionRequestTimeout(CONNECTION_REQUEST_TIMEOUT_MILLIS);
                return requestConfigBuilder;
            }
        });
    }
    /**
     * 使用异步httpclient时设置并发连接数
      */
    public void setMutiConnectConfig(){
        builder.setHttpClientConfigCallback(new RestClientBuilder.HttpClientConfigCallback() {

            @Override
            public HttpAsyncClientBuilder customizeHttpClient(HttpAsyncClientBuilder httpClientBuilder) {
                httpClientBuilder.setMaxConnTotal(MAX_CONN_TOTAL);
                httpClientBuilder.setMaxConnPerRoute(MAX_CONN_PER_ROUTE);
                return httpClientBuilder;
            }
        });
    }

    public RestClient getClient(){
        return restClient;
    }

    public RestHighLevelClient getRhlClient(){
        return restHighLevelClient;
    }

    public void close() {
        if (restClient != null) {
            try {
                restClient.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        System.out.println("close client");
    }


}

创建esConfig,同时将RestHighLevelClient，RestClient放入容器，方便使用

import EsClientSpringFactory;
import org.apache.http.HttpHost;
import org.elasticsearch.client.RestClient;
import org.elasticsearch.client.RestHighLevelClient;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.*;

@Configuration
@ComponentScan(basePackageClasses=EsClientSpringFactory.class)
@PropertySource("classpath:/application.yml")
@ConfigurationProperties(prefix = "elasticsearch")
public class EsConfig {

    @Value("${elasticsearch.host}")
    private String host;

    @Value("${elasticsearch.port}")
    private int port;

    @Value("${elasticsearch.schema}")
    private String schema;

    @Value("${elasticsearch.connectNum}")
    private Integer connectNum;

    @Value("${elasticsearch.connectPerRoute}")
    private Integer connectPerRoute;

    @Bean
    public HttpHost[] httpHost(){
        String[] split = host.split(";");
        HttpHost[] httpHosts = new HttpHost[split.length];
        for(int i=0;i

调用

@Service
public class ServiceImpl implements Service {

    @Autowired
    private RestHighLevelClient rhlClient;

}