ES Client有两种连接方式:TransportClient 和 RestClient。TransportClient通过TCP方式访问ES,RestClient方式通过Http方式访问ES。ES在7.0中已经弃用TransportClient,在8.0中完全删除它,所以建议使用RestClient的方式。 RestClient方式有多种实现,比如:ES自带的RestHighLevelClient、Springboot实现的ElasticsearchRestTemplate。笔者...
RestClient是官方推荐使用的,它包括两种:Java Low Level REST Client和 Java High Level REST Client。 ES在6.0之后提供 Java High Level REST Client, 两种客户端官方更推荐使用 Java High Level REST Client,不过当前它还处于完善中,有些功能还没有。 3 spring-data-elasticsearch 这个是基于TransportClient开发的,...
compile group: 'org.elasticsearch.client', name: 'elasticsearch-rest-high-level-client', version: '6.4.3' 配置 其实引入这依赖后, spring-boot-autoconfigure-2.1.2.RELEASE.jar 这个依赖你会为你自动配置 RestHighLevelClient, ...
CreateIndexResponse createIndexResponse = client.indices().create(request, RequestOptions.DEFAULT); boolean acknowledged = createIndexResponse.isAcknowledged(); log.info("索引操作===>"+acknowledged); } 1. 2. 3. 4. 5. 6. 7. 8. 查询索引 @Test void selectIndex() throws IOException { GetIndex...
private static RestHighLevelClient client = new RestHighLevelClient(RestClient.builder(new HttpHost("localhost", 9200, "http"))) ; 1、创建索引 public static void createIndex(String index) throws Exception { CreateIndexRequest request = new CreateIndexRequest(index) ; CreateIndexResponse response ...
常见搭建elasticsearch服务有四种方式:1、TransportClient;2、RestClient;3、Jest; 4、Spring Data Elasticsearch其中TransportClient和RestClient是Elasticsearch原生的api。TransportClient可以支持2.x,5.x版本,TransportClient将会在Elasticsearch 7.0弃用并在8.0中完成删除,替而代之,我们使用Java High Level REST Client,它使...
springboot elasticsearch rest client 首先需要添加elasticsearch-rest-high-level-client依赖,可以在pom.xml文件中添加以下依赖: <dependency> <groupId>org.elasticsearch.client</groupId> <artifactId>elasticsearch-rest-high-level-client</artifactId> <version>${elasticsearch.version}</version> </dependency> ...
在Springboot中编写Elasticsearch的RestAPI时,使用JavaRestClient操作Elasticsearch的基本流程是相似的。首先需初始化RestHighLevelClient,然后创建如CreateIndexRequest、GetIndexRequest或DeleteIndexRequest等对象进行索引操作。对于创建索引的操作,需要准备请求参数;而获取或删除索引则无需额外参数。最后通过调用RestHighLevelClient...
@SpringBootTest class EsApiApplicationTests { @Autowired @Qualifier(value = "restHighLevelClient") private RestHighLevelClient client; /*1.创建索引*/ @Test void createIndex() throws IOException { // 创建请求 CreateIndexRequest request = new CreateIndexRequest("yz_index"); // 执行请求,获取响应...
三、配置ElasticsearchClient package cn.edu.tju.config; import co.elastic.clients.elasticsearch.ElasticsearchClient; import co.elastic.clients.json.jackson.JacksonJsonpMapper; import co.elastic.clients.transport.ElasticsearchTransport; import co.elastic.clients.transport.rest_client.RestClientTransport; ...