Spring Boot 系列教程20-elasticsearch

GitHub

elasticsearch

ElasticSearch是一个基于Lucene的搜索服务器。
它提供了一个分布式多用户能力的全文搜索引擎，基于RESTful web接口。Elasticsearch是用Java开发的，并作为Apache许可条款下的开放源码发布，是当前流行的企业级搜索引擎。
设计用于云计算中，能够达到实时搜索，稳定，可靠，快速，安装使用方便。

开发环境

jdk1.8.0_111(建议Oracle JDK版本1.8.0_73后)
org.springframework.boot 1.4.2.RELEASE
spring-data-elasticsearch-2.0.5.RELEASE.jar

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.jege.spring.boot</groupId>
    <artifactId>spring-boot-elasticsearch</artifactId>
    <version>1.0.0.RELEASE</version>
    <packaging>jar</packaging>

    <name>spring-boot-elasticsearch</name>
    <url>http://blog.csdn.net/je_ge</url>

    <developers>
        <developer>
            <id>je_ge</id>
            <name>je_ge</name>
            <email>1272434821@qq.com</email>
            <url>http://blog.csdn.net/je_ge</url>
            <timezone>8</timezone>
        </developer>
    </developers>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.4.2.RELEASE</version>
        <relativePath />
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>

        <!-- web -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-elasticsearch</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

    </dependencies>

    <build>
        <finalName>spring-boot-elasticsearch</finalName>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>${java.version}</source>
                    <target>${java.version}</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

application.properties

#存储索引的位置
spring.data.elasticsearch.properties.path.home=target/elastic
#连接超时的时间
spring.data.elasticsearch.properties.transport.tcp.connect_timeout=120s

User

import org.springframework.data.annotation.Id;
import org.springframework.data.elasticsearch.annotations.Document;

/**
 * @author JE哥
 * @email 1272434821@qq.com
 * @description:elasticsearch模型类
 */
@Document(indexName = "user", type = "user", shards = 1, replicas = 0, refreshInterval = "-1")
public class User {
  @Id
  private String id;
  private String name;
  private int age;

UserRepository

public interface UserRepository extends ElasticsearchRepository<User, Long>

UserServiceImpl

@Service
public class UserServiceImpl implements UserService {
  @Autowired
  private UserRepository userRepository;

  @Override
  public void save(User user) {
    userRepository.save(user);
  }

  @Override
  public Iterable<User> findAll() {
    return userRepository.findAll();
  }

}

UserController

@RestController
@RequestMapping(value = "/es/")
public class UserController {
  @Autowired
  private UserService userService;

  @RequestMapping("/list")
  public Iterable<User> list() {
    userService.save(new User("je_ge", 33));
    return userService.findAll();
  }
}

访问流程

启动Application
访问http://localhost:8080/es/list
输出

{"content":[{"id":"AVnQx4i3pXUZjTYvVwwS","name":"je_ge","age":33}],"totalElements":1,"totalPages":1,"last":true,"number":0,"size":1,"sort":null,"numberOfElements":1,"first":true}