30、springboot与检索（2）

项目中进行整合：

1、整合新建项目加入依赖（NoSql）

springboot默认使用SpringDate ElasticSearch模块进行操作

查看自动配置类：

SpringBoot默认支持两种技术来和ES交互“

1、Jest

2、SpringDate ElasticSearch

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@Bean

@ConditionalOnMissingBean

public TransportClient elasticsearchClient() throws Exception {

    TransportClientFactoryBean factory = new TransportClientFactoryBean();

    factory.setClusterNodes(this.properties.getClusterNodes());

    factory.setProperties(this.createProperties());

    factory.afterPropertiesSet();

    return factory.getObject();

}

private Properties createProperties() {

    Properties properties = new Properties();

    properties.put("cluster.name", this.properties.getClusterName());

    properties.putAll(this.properties.getProperties());

    return properties;

}

public class ElasticsearchProperties {

    private String clusterName = "elasticsearch";

    private String clusterNodes;

    private Map<String, String> properties = new HashMap();

@Bean

@ConditionalOnMissingBean

@ConditionalOnBean({Client.class})

public ElasticsearchTemplate elasticsearchTemplate(Client client, ElasticsearchConverter converter) {

    try {

        return new ElasticsearchTemplate(client, converter);

    } catch (Exception var4) {

        throw new IllegalStateException(var4);

    }

}

2、测试

1、Jest方式

依赖：

<dependency>

    <groupId>org.springframework.boot</groupId>

    <artifactId>spring-boot-starter-data-elasticsearch</artifactId>

</dependency>

<!-- https://mvnrepository.com/artifact/io.searchbox/jest -->

<dependency>

    <groupId>io.searchbox</groupId>

    <artifactId>jest</artifactId>

    <version>5.3.</version>

</dependency>

@Bean(

    destroyMethod = "shutdownClient"

)

@ConditionalOnMissingBean

public JestClient jestClient() {

    JestClientFactory factory = new JestClientFactory();

    factory.setHttpClientConfig(this.createHttpClientConfig());

    return factory.getObject();

}

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private List<String> uris = new ArrayList(Collections.singletonList("http://localhost:9200"));

配置文件：

spring.elasticsearch.jest.uris=http://192.168.1.121:9200

pojo类：

public class Article {

    //标识为主键

    //@JestId

    private Integer id;

    private String  author;

    private String title;

}

测试类：

@Autowired

JestClient jestClient;

@Test

public void contextLoads() {

    System.out.println(jestClient);

    //给es保存索引文档

    Article article = new Article();

    article.setId();

    article.setAuthor("mrchengs");

    article.setTitle("EsTest");

    String id = String.valueOf(article.getId());

    //构建一个索引功能

    //new Index.Builder(article).index("cr").type("msg").id()

    //cr是索引   msg是类型  此时也是可以是设置id的，但是在类中已经进行了设置

    Index index = new Index.Builder(article).index("cr").type("msg").id(id).build();

    try {

        jestClient.execute(index);

    } catch (IOException e) {

        e.printStackTrace();

    }

}

此时的可以查看结果：

测试搜索功能的实现：

{"took":,"timed_out":false,"_shards":{"total":,"successful":,"skipped":,"failed":},"hits":{"total":,"max_score":0.2876821,"hits":[{"_index":"cr","_type":"msg","_id":"","_score":0.2876821,"_source":{"id":,"author":"mrchengs","title":"EsTest"}}]}}

2、SpringDate ElasticSearch

待更新.......