Elasticsearch's Hello (Spring data consolidation)

1. Writing pom.xml files

<dependencies><dependency><groupid>org.springframework.data</groupid><artifactid >spring-data-elasticsearch</artifactid><version>2.0.4.release</version></dependency ><dependency> <groupId>org.springframework.data</groupId> <artifactId>  Spring-data-elasticsearch</artifactid> <version>2.0.4.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactid>spring-test</ artifactid> <version>4.2.8.RELEASE</version> </dependency> <dependency> <groupId> junit</groupid> <artifactId>junit</artifactId> <version>4.12</version> </ dependency> <dependency> <groupId>org.slf4j</groupId> <artifactid>slf4j-log4j12</ Artifactid> <version>1.7.12</version> </dependency></dependencies>

2.applicationcontext.xml file

<?xml version= "1.0" encoding= "UTF-8"? ><beans xmlns= "Http://www.springframework.org/schema/beans" xmlns: Xsi= "Http://www.w3.org/2001/XMLSchema-instance" xmlns:context= "Http://www.springframework.org/schema/context" Xmlns:elasticsearch= "Http://www.springframework.org/schema/data/elasticsearch" xsi:schemalocation= "http// Www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsdhttp:// Www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsdhttp:// www.springframework.org/schema/data/elasticsearchhttp://www.springframework.org/schema/data/elasticsearch/ Spring-elasticsearch-1.0.xsd "> <!--Scan DAO package automatically created by <elasticsearch:repositories base-package=" Com.baidu.dao "/> <!--Scan Service Pack--<context:component-scan base-package=" Com.baidu.service "/> <! --Configure Elasticsearch connection--<elasticsearch:transport-client id= "client" cluster-nodes= "localhost:9300"/> <! --SPRing data elasticsearch DAO must rely on elasticsearchtemplate---<bean id= "elasticsearchtemplate" class= "Org.springframe Work.data.elasticsearch.core.ElasticsearchTemplate "> <constructor-arg name=" Client "ref=" client "/> </ Bean> </beans>

　　

Demo01.java

Package Com.baidu.test01;import Org.elasticsearch.client.client;import Org.junit.test;import Org.junit.runner.runwith;import Org.springframework.beans.factory.annotation.autowired;import Org.springframework.data.domain.pagerequest;import Org.springframework.data.domain.sort;import Org.springframework.data.domain.sort.direction;import Org.springframework.data.elasticsearch.core.elasticsearchtemplate;import Org.springframework.test.context.contextconfiguration;import Org.springframework.test.context.junit4.springjunit4classrunner;import Com.baidu.domain.article;import Com.baidu.service.ArticleService, @RunWith (springjunit4classrunner.class) @ContextConfiguration (locations = " Classpath:applicationContext.xml ") public class Demo01 {@Autowiredprivate articleservice articleservice;@ Autowiredprivate client client; Based on native api@autowiredprivate Elasticsearchtemplate elasticsearchtemplate, @Test public void CreateIndex () {// Create index Elasticsearchtemplate.createindex (article.class);//Create Map ElasticsearchtempLate.putmapping (Article.class);} @Test//Create document public void Createdoc () {for (int i = 2; i <; i++) {Article ac=new article (); Ac.setid (i); Ac.settitle ("t Estsave "+i"; Ac.setcontent ("Just testing Test" +i);//Document Operation Articleservice.save (AC);}} @Test//Query document public void Searchdoc () {//document operation Articleservice.findall ();} @Test//Query document public void SearchDoc01 () {//Document operation Articleservice.findbyid (1);} @Test//Query document public void SearchDoc02 () {//Fuzzy query Articleservice.findbytitle ("Testsave");} @Test//Query document public void SearchDoc03 () {pagerequest pr=new pagerequest (0, 4,new sort (DIRECTION.DESC, "id"));//paged query sorted in descending order Articleservice.findall (PR);}}

　　

Articleservice.java file (interface)

Package Com.baidu.service;import Org.springframework.data.domain.pagerequest;import com.baidu.domain.Article; public interface Articleservice {void Save (article AC); void FindAll (); void FindByID (Integer i); void FindAll (Pagerequest PR); void Findbytitle (String string);}

Articleservice Implementation Class

Package Com.baidu.service.imp;import Org.elasticsearch.index.query.querybuilder;import Org.elasticsearch.index.query.wildcardquerybuilder;import Org.springframework.beans.factory.annotation.autowired;import Org.springframework.data.domain.page;import Org.springframework.data.domain.pagerequest;import Org.springframework.data.domain.sort;import Org.springframework.data.domain.sort.direction;import Org.springframework.data.elasticsearch.core.query.nativesearchquery;import Org.springframework.data.elasticsearch.core.query.searchquery;import Org.springframework.stereotype.Service; Import Com.baidu.dao.articledao;import Com.baidu.domain.article;import com.baidu.service.articleservice;@ Servicepublic class Articleserviceimp implements articleservice{@Autowiredprivate Articledao articledao;public void Save (article AC) {articledao.save (AC);} public void FindAll () {iterable<article> all = Articledao.findall (), for (article Article:all) {System.out.println (article);}} public void FindByID (IntEger i) {Article Article = Articledao.findbyid (i); SYSTEM.OUT.PRINTLN (article);} public void FindAll (pagerequest pr) {page<article> Page = Articledao.findall (pr); System.out.println (Page.getcontent ());} public void Findbytitle (string string) {//needs to be queried based on the content of a word breaker QueryBuilder query= new Wildcardquerybuilder ("title", "*" + string+ "*"); SearchQuery SearchQuery = new Nativesearchquery (query); Pagerequest pr=new pagerequest (0, 4,new Sort (DIRECTION.DESC, "id")); searchquery.setpageable (PR); page<article> page = Articledao.search (searchQuery); System.out.println (Page.getcontent ());}}

　　

Articledao.java

Package Com.baidu.dao;import Org.springframework.data.elasticsearch.repository.elasticsearchrepository;import Com.baidu.domain.article;public interface Articledao extends Elasticsearchrepository<article, Integer> { Article FindByID (Integer i);}

　　

Elasticsearch's Hello (Spring data consolidation)