es transportClient切换为restHighLevelClient查询

1.pom依赖

<dependency>
    <groupId>org.elasticsearch.client</groupId>
    <artifactId>elasticsearch-rest-high-level-client</artifactId>
    <version>6.1.1</version>
</dependency>
2.注入RestHighLevelClient
application.properties文件加：es.client.rest.servers=ip:9200,ip:9200,ip:9200

@Value("${es.client.rest.servers}")
private String restServers;

@Bean

public RestHighLevelClient initRestHighLevelClient() {
    logger.info("Elasticsearch RestHighLevelClient 初始化开始...");
    System.setProperty("es.set.netty.runtime.available.processors","false");
    RestHighLevelClient restHighLevelClient = null;
    try {

        logger.info(String.format("es.client.rest.servers = %s", restServers));
        HashMultimap<String, Integer> hostAndPort = HashMultimap.create();
        String[] hps = restServers.split(",");
        String[] kv;
        for(String hp : hps){
            kv = hp.split(":");
            if(kv.length == 2){
                hostAndPort.put(kv[0], Integer.parseInt(kv[1]));
            }else{
                logger.error(String.format("es.client.rest.servers: %s 配置有误， 示例： host:port", hp));
            }
        }
        Preconditions.checkArgument(!hostAndPort.isEmpty(), "es.client.rest.servers 中无可用的服务节点配置。");

        List<HttpHost> httpPosts = Lists.newArrayList();
        for(Map.Entry<String, Integer> hp : hostAndPort.entries()) {
            httpPosts.add(new HttpHost(hp.getKey(), hp.getValue(), "http"));
        }

        RestClientBuilder restClientBuilder = RestClient.builder(httpPosts.toArray(new HttpHost[hostAndPort.size()]));
        restClientBuilder.setMaxRetryTimeoutMillis(180000);

　　　　//加 xpack密码后
　　　　 BasicCredentialsProvider cedentialsProvider = new BasicCredentialsProvider();
　　　　cedentialsProvider.setCredentials(AuthScope.ANY,new UsernamePasswordCredentials(apiUserAndPas.split(":")[0],apiUserAndPas.split(":")[1]));
　　　　restClientBuilder.setHttpClientConfigCallback((HttpAsyncClientBuilder httpAsyncClientBuilder)->httpAsyncClientBuilder.setDefaultCredentialsProvider(cedentialsProvider));

        restHighLevelClient = new RestHighLevelClient(restClientBuilder);

        logger.info(String.format("Elasticsearch RestHighLevelClient 初始化成功，参数为：%s", toString()));
    } catch (Exception e) {
        logger.error("elasticsearch RestHighLevelClient create error!!!", e);
    }
    return restHighLevelClient;
}
3.api切换

SearchRequestBuilder requestBuilder = transportClient.prepareSearch(索引).setTypes(此处为type);

BoolQueryBuilder boolQueryBuilder = new BoolQueryBuilder();

requestBuilder.setQuery(boolQueryBuilder);

requestBuilder.get().getHits();
切换为

SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
SearchRequest searchRequest = new SearchRequest();
searchRequest.indices(索引);

BoolQueryBuilder boolQueryBuilder = new BoolQueryBuilder();

searchSourceBuilder.query(boolQueryBuilder);

searchRequest.source(searchSourceBuilder);
SearchResponse searchResponse =null;
try {
    searchResponse= restHighLevelClient.search(searchRequest);
} catch (IOException e) {
    e.printStackTrace();
}

searchResponse.getHits()