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elasticsearch client


实现说明

  • 基于elasticsearch官方提供的api、spring-data-elasticsearch、Jest集成的es客户端,客户端类型:TransportClient(即将废弃)、Java High Level REST Client(可获得Low Level)、Jest HTTP Rest Client;
  • es服务端版本从V6.3.0开始(XPACK默认安装、支持elastic-sql);
  • low-level REST client和所有服务端es版本兼容,只实现低级api可单独引入maven坐标:
<dependency>
    <groupId>org.elasticsearch.client</groupId>
    <artifactId>elasticsearch-rest-client</artifactId>
    <version>${latest.version:7.3.0}</version>
</dependency>
  • high-level client api基于low-level client api,从高级客户端获取低级客户端:
/**
* {@link com.caiya.elasticsearch.core.RestElasticSearchClientBuilder#buildOriginalLowLevelClient }
*/
  • 不需要XPACK验证的客户端,直接引入maven坐标:
<dependency>
    <groupId>org.elasticsearch.client</groupId>
    <artifactId>transport</artifactId>
    <version>6.3.0</version>
</dependency>
  • 需要XPACK验证的客户端,除了引入对应的maven坐标外,还需要引入es官方仓库地址:
    <repositories>
        <!-- add the elasticsearch repo -->
        <repository>
            <id>elasticsearch-releases</id>
            <url>https://artifacts.elastic.co/maven</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
    </repositories>
  • com.caiya.elasticsearch.jestclient包下是jest客户端的实现

用法

  1. 将elastic-client、es-spring-boot-starter模块打成jar包并上传私服;
  2. 引入如下maven坐标:
    <!-- java环境 -->
    <dependency>
        <groupId>com.caiya</groupId>
        <artifactId>elasticsearch-client</artifactId>
        <version>${latest.version}</version>
    </dependency>
    <!-- spring环境 -->
    <dependency>
        <groupId>com.caiya</groupId>
        <artifactId>es-spring-boot-starter</artifactId>
        <version>${latest.version}</version>
    </dependency>
  1. 具体用法见各模块的单元测试(推荐选择com.caiya.elasticsearch.EsClient.Type.REST_HIGH_LEVEL客户端调用类型)

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elasticsearch client

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