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kimmkingkimmking
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add cache for mybatis
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‎08cache/cache/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<projectxmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.0.9.RELEASE</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<groupId>io.kimmking.08cache</groupId>
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<artifactId>cache</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>cache</name>
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<description>Demo project for Spring Boot</description>
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<properties>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-jdbc</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.mybatis.spring.boot</groupId>
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<artifactId>mybatis-spring-boot-starter</artifactId>
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<version>2.1.4</version>
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</dependency>
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<dependency>
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<groupId>mysql</groupId>
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<artifactId>mysql-connector-java</artifactId>
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<version>5.1.47</version>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-cache</artifactId>
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</dependency>
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<dependency>
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<groupId>net.sf.ehcache</groupId>
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<artifactId>ehcache</artifactId>
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<version>2.8.3</version>
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</dependency>
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<dependency>
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<groupId>org.mybatis</groupId>
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<artifactId>mybatis-ehcache</artifactId>
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<version>1.0.0</version>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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<exclusions>
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<exclusion>
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<groupId>org.junit.vintage</groupId>
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<artifactId>junit-vintage-engine</artifactId>
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</exclusion>
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</exclusions>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>

‎08cache/cache/src/main/java/io/kimmking/cache/CacheApplication.java‎

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packageio.kimmking.cache;
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importorg.mybatis.spring.annotation.MapperScan;
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importorg.springframework.boot.SpringApplication;
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importorg.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication(scanBasePackages = "io.kimmking.cache")
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@MapperScan("io.kimmking.cache.mapper")
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publicclassCacheApplication{
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publicstaticvoidmain(String[] args){
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SpringApplication.run(CacheApplication.class, args);
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}
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}

‎08cache/cache/src/main/java/io/kimmking/cache/controller/UserController.java‎

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packageio.kimmking.cache.controller;
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importio.kimmking.cache.entity.User;
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importio.kimmking.cache.service.UserService;
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importorg.springframework.beans.factory.annotation.Autowired;
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importorg.springframework.boot.autoconfigure.EnableAutoConfiguration;
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importorg.springframework.web.bind.annotation.RequestMapping;
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importorg.springframework.web.bind.annotation.RestController;
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importjava.util.List;
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@RestController
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@EnableAutoConfiguration
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publicclassUserController{
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@Autowired
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UserServiceuserService;
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@RequestMapping("/user/find")
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Userfind(Integerid){
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returnuserService.find(id);
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//return new User(1,"KK", 28);
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}
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@RequestMapping("/user/list")
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List<User> list(){
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returnuserService.list();
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// return Arrays.asList(new User(1,"KK", 28),
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// new User(2,"CC", 18));
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}
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}

‎08cache/cache/src/main/java/io/kimmking/cache/entity/User.java‎

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packageio.kimmking.cache.entity;
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importlombok.AllArgsConstructor;
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importlombok.Data;
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importlombok.NoArgsConstructor;
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@Data
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@NoArgsConstructor
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@AllArgsConstructor
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publicclassUser{
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privateIntegerid;
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privateStringname;
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privateIntegerage;
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}

‎08cache/cache/src/main/java/io/kimmking/cache/mapper/UserMapper.java‎

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packageio.kimmking.cache.mapper;
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importio.kimmking.cache.entity.User;
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importorg.apache.ibatis.annotations.Mapper;
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importjava.util.List;
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@Mapper
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publicinterfaceUserMapper{
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Userfind(intid);
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List<User> list();
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}

‎08cache/cache/src/main/java/io/kimmking/cache/service/UserService.java‎

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packageio.kimmking.cache.service;
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importio.kimmking.cache.entity.User;
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importorg.springframework.cache.annotation.CacheConfig;
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importjava.util.List;
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@CacheConfig(cacheNames = "users")
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publicinterfaceUserService{
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Userfind(intid);
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List<User> list();
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}

‎08cache/cache/src/main/java/io/kimmking/cache/service/UserServiceImpl.java‎

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packageio.kimmking.cache.service;
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importio.kimmking.cache.entity.User;
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importio.kimmking.cache.mapper.UserMapper;
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importorg.springframework.beans.factory.annotation.Autowired;
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importorg.springframework.cache.annotation.Cacheable;
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importorg.springframework.stereotype.Service;
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importjava.util.List;
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@Service
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publicclassUserServiceImplimplementsUserService{
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@Autowired
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UserMapperuserMapper;
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@Cacheable(key="#id",value="userCache")
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publicUserfind(intid){
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returnuserMapper.find(id);
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}
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@Cacheable(key="LIST",value="userCache")
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publicList<User> list(){
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returnuserMapper.list();
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}
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}

‎08cache/cache/src/main/resources/application.yml‎

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server:
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port: 8080
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spring:
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datasource:
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username: root
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password:
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url: jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8&serverTimezone=UTC
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driver-class-name: com.mysql.jdbc.Driver
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mybatis:
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mapper-locations: classpath:mapper/*Mapper.xml
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type-aliases-package: io.kimmking.cache.entity
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logging:
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level:
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io:
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kimmking:
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cache : info

‎08cache/cache/src/main/resources/ehcache.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<ehcachexmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:noNamespaceSchemaLocation="http://ehcache.org/ehcache.xsd">
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<diskStorepath="java.io.tmpdir" />
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<defaultCacheeternal="false"maxElementsInMemory="1000"
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overflowToDisk="false"diskPersistent="false"timeToIdleSeconds="0"
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timeToLiveSeconds="600"memoryStoreEvictionPolicy="LRU" />
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<cache
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name="userCache"
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maxElementsInMemory="1000"
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eternal="false"
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timeToIdleSeconds="300"
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timeToLiveSeconds="300"
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overflowToDisk="false"
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memoryStoreEvictionPolicy="LRU">
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<!-- 配置缓存事件监听器 replicateAsynchronously 操作是否异步,默认值为true. replicatePuts 添加操作是否同步到集群内的其他缓存,默认为true.
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replicateUpdates 更新操作是否同步到集群内的其他缓存,默认为true. replicateUpdatesViaCopy 更新之后的对象是否复制到集群中的其他缓存(true);
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replicateRemovals 删除操作是否同步到集群内的其他缓存,默认为true. -->
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<cacheEventListenerFactory
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class="net.sf.ehcache.distribution.RMICacheReplicatorFactory"
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properties="
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replicateAsynchronously=true,
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replicatePuts=true,
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replicateUpdates=true,
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replicateUpdatesViaCopy=true,
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replicateRemovals=true " />
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<!-- 初始化缓存，以及自动设置 -->
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<bootstrapCacheLoaderFactory
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class="net.sf.ehcache.distribution.RMIBootstrapCacheLoaderFactory"
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properties="bootstrapAsynchronously=true" />
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</cache>
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</ehcache>

‎08cache/cache/src/main/resources/mapper/UserMapper.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPEmapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mappernamespace="io.kimmking.cache.mapper.UserMapper">
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<cachetype="org.mybatis.caches.ehcache.LoggingEhcache">
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<propertyname="memoryStoreEvictionPolicy"value="LRU"/>
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</cache>
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<resultMapid="BaseResultMap"type="io.kimmking.cache.entity.User">
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<resultcolumn="id"jdbcType="INTEGER"property="id" />
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<resultcolumn="name"jdbcType="VARCHAR"property="name" />
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<resultcolumn="age"jdbcType="INTEGER"property="age" />
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</resultMap>
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<selectid="find"resultType="io.kimmking.cache.entity.User">
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select * from user where id = #{id}
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</select>
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<selectid="list"resultType="io.kimmking.cache.entity.User">
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select * from user
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</select>
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</mapper>

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