SpringBoot整合ElasticSearch
一. 前言
1. 版本概述
SpringBoot2.x 的spring-boot-starter-data-elasticsearch中可以支持Elasticsearch 6.X版本.而SpringBoot1.x版本的spring-boot-starter-data-elasticsearch,默认只能支持Elasticsearch 2.X!!!
本教程以ElasticSearch5.8,SpringBoot2.1.1为例.
二. 整合实现 1. Elasticsearch 5.x
整个项目结构为:
4.0.0
com.syc.boot
Boot_ElasticSearch
1.0-SNAPSHOT
org.springframework.boot
spring-boot-starter-parent
2.1.1.RELEASE
1.8
org.springframework.boot
spring-boot-starter-web
org.springframework.boot
spring-boot-starter-thymeleaf
org.springframework.boot
spring-boot-starter-data-elasticsearch
org.projectlombok
lombok
org.springframework.boot
spring-boot-starter-test
test
org.springframework.boot
spring-boot-maven-plugin
nexus-aliyun
Nexus aliyun
http://maven.aliyun.com/nexus/content/groups/public
# Elasticsearch cluster name.
spring.data.elasticsearch.cluster-name=elasticsearch
# Comma-separated list of cluster node addresses.
spring.data.elasticsearch.cluster-nodes=localhost:9300
# Whether to enable Elasticsearch repositories.
spring.data.elasticsearch.repositories.enabled=true
package com.syc.boot.domain;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.data.annotation.Id;
import org.springframework.data.elasticsearch.annotations.Document;
import java.util.Date;
@Data
@NoArgsConstructor
@AllArgsConstructor
@Document(indexName = "book", type = "doc")
public class Book {
@Id
private String id;
private String title;
private String author;
private String postDate;
}
package com.syc.boot.repository;
import com.syc.boot.domain.Book;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.elasticsearch.repository.ElasticsearchRepository;
import org.springframework.stereotype.Repository;
/**
*
*/
public interface BookRepository extends ElasticsearchRepository {
//Optional findById(String id);
Page findByAuthor(String author, Pageable pageable);
Page findByTitle(String title, Pageable pageable);
}
7.1 BookService接口
package com.syc.boot.service;
import com.syc.boot.domain.Book;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import java.util.List;
import java.util.Optional;
/**
*
*/
public interface BookService {
Optional findById(String id);
Book save(Book blog);
void delete(Book blog);
Optional findOne(String id);
List findAll();
Page findByAuthor(String author, PageRequest pageRequest);
Page findByTitle(String title, PageRequest pageRequest);
}
7.2 BookServiceImpl实现类
package com.syc.boot.service.impl;
import com.syc.boot.domain.Book;
import com.syc.boot.repository.BookRepository;
import com.syc.boot.service.BookService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.stereotype.Service;
import java.util.List;
import java.util.Optional;
/**
*
*/
@Service
public class BookServiceImpl implements BookService {
@Autowired
private BookRepository bookRepository;
@Override
public Optional findById(String id) {
return bookRepository.findById(id);
}
@Override
public Book save(Book blog) {
return bookRepository.save(blog);
}
@Override
public void delete(Book blog) {
bookRepository.delete(blog);
}
@Override
public Optional findOne(String id) {
return bookRepository.findById(id);
}
@Override
public List findAll() {
return (List) bookRepository.findAll();
}
@Override
public Page findByAuthor(String author, PageRequest pageRequest) {
return bookRepository.findByAuthor(author, pageRequest);
}
@Override
public Page findByTitle(String title, PageRequest pageRequest) {
return bookRepository.findByTitle(title, pageRequest);
}
}
package com.syc.boot.web;
import com.syc.boot.domain.Book;
import com.syc.boot.service.BookService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.Optional;
@RestController
public class ElasticController {
@Autowired
private BookService bookService;
@RequestMapping("/book/{id}")
public Book getBookById(@PathVariable String id) {
Optional opt = bookService.findById(id);
Book book = opt.get();
System.out.println(book);
return book;
}
@RequestMapping("/save")
public void Save() {
Book book = new Book("1", "ES入门", "一一哥", "2019-07-05");
System.out.println(book);
bookService.save(book);
}
}
package com.syc.boot;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
/**
*
*/
@SpringBootApplication
public class ElasticApplication {
public static void main(String[] args) {
SpringApplication.run(ElasticApplication.class, args);
}
}
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com.syc.boot.ElasticApplication
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.1.1.RELEASE)
2019-07-06 22:37:51.476 INFO 8124 --- [ main] com.syc.boot.ElasticApplication : Starting ElasticApplication on YYG39C2 with PID 8124 (F:\Boot_ElasticSearch\target\classes started by sunyuchang in F:\Boot_ElasticSearch)
2019-07-06 22:37:51.488 INFO 8124 --- [ main] com.syc.boot.ElasticApplication : No active profile set, falling back to default profiles: default
2019-07-06 22:37:52.610 INFO 8124 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data repositories in DEFAULT mode.
2019-07-06 22:37:52.678 INFO 8124 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 63ms. Found 1 repository interfaces.
2019-07-06 22:37:53.189 INFO 8124 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
2019-07-06 22:37:53.209 INFO 8124 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2019-07-06 22:37:53.210 INFO 8124 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/9.0.13
2019-07-06 22:37:53.216 INFO 8124 --- [ main] o.a.catalina.core.AprLifecycleListener : The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [C:\Program Files\Java\jdk1.8.0_192\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\Program Files\Java\jdk1.8.0_192\bin;C:\Program Files\Java\jdk1.8.0_192\jre\bin;C:\Program Files (x86)\Common Files\Oracle\Java\javapath;C:\Program Files (x86)\Parallels\Parallels Tools\Applications;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;E:\apache-maven-3.6.1\bin;C:\Program Files\Git\cmd;C:\Program Files\TortoiseGit\bin;C:\Program Files\MySQL\MySQL Server 5.5\bin;E:\Node\;C:\Program Files\erl9.3\bin;C:\Program Files\RabbitMQ Server\rabbitmq_server-3.7.5\sbin;E:\mysql-5.7.26-winx64\bin;E:\mycat\bin;E:\curl;E:\Node\node_global;.]
2019-07-06 22:37:53.347 INFO 8124 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2019-07-06 22:37:53.347 INFO 8124 --- [ main] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 1795 ms
2019-07-06 22:37:53.655 INFO 8124 --- [ main] o.elasticsearch.plugins.PluginsService : no modules loaded
2019-07-06 22:37:53.656 INFO 8124 --- [ main] o.elasticsearch.plugins.PluginsService : loaded plugin [org.elasticsearch.index.reindex.ReindexPlugin]
2019-07-06 22:37:53.657 INFO 8124 --- [ main] o.elasticsearch.plugins.PluginsService : loaded plugin [org.elasticsearch.join.ParentJoinPlugin]
2019-07-06 22:37:53.657 INFO 8124 --- [ main] o.elasticsearch.plugins.PluginsService : loaded plugin [org.elasticsearch.percolator.PercolatorPlugin]
2019-07-06 22:37:53.657 INFO 8124 --- [ main] o.elasticsearch.plugins.PluginsService : loaded plugin [org.elasticsearch.script.mustache.MustachePlugin]
2019-07-06 22:37:53.657 INFO 8124 --- [ main] o.elasticsearch.plugins.PluginsService : loaded plugin [org.elasticsearch.transport.Netty4Plugin]
2019-07-06 22:37:54.789 INFO 8124 --- [ main] o.s.d.e.c.TransportClientFactoryBean : Adding transport node : 127.0.0.1:9300
2019-07-06 22:37:55.503 INFO 8124 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor'
2019-07-06 22:37:55.598 WARN 8124 --- [ main] ion$DefaultTemplateResolverConfiguration : Cannot find template location: classpath:/templates/ (please add some templates or check your Thymeleaf configuration)
2019-07-06 22:37:55.978 INFO 8124 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ''
2019-07-06 22:37:55.980 INFO 8124 --- [ main] com.syc.boot.ElasticApplication : Started ElasticApplication in 4.873 seconds (JVM running for 6.783)
HEAD book
GET /book/doc/1
浏览器请求 http://localhost:8080/book/1
