spring-boot整合ehcache实现缓存机制的方法

 <dependency>
 <groupId>org.springframework</groupId>
  <artifactId>spring-context-support</artifactId>
</dependency>
<dependency>
   <groupId>net.sf.ehcache</groupId>
  <artifactId>ehcache</artifactId>
   <version>2.8.3</version>
</dependency> 

<?xml version="1.0" encoding="UTF-8"?>
<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.lclc.boot</groupId>
 <artifactId>boot-cache</artifactId>
 <version>0.0.1-SNAPSHOT</version>
 <!-- Inherit defaults from Spring Boot -->
 <parent>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-parent</artifactId>
  <version>1.1.3.RELEASE</version>
 </parent>
 <dependencies>
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-web</artifactId>
  </dependency>
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-data-jpa</artifactId>
  </dependency>
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-thymeleaf</artifactId>
  </dependency>
  <dependency>
   <groupId>mysql</groupId>
   <artifactId>mysql-connector-java</artifactId>
  </dependency>
  <dependency>
   <groupId>com.google.guava</groupId>
   <artifactId>guava</artifactId>
   <version>17.0</version>
  </dependency>
  <dependency>
   <groupId>org.springframework</groupId>
   <artifactId>spring-context-support</artifactId>
  </dependency>
  <dependency>
   <groupId>net.sf.ehcache</groupId>
   <artifactId>ehcache</artifactId>
   <version>2.8.3</version>
  </dependency>
 </dependencies>
 <dependencyManagement>
  <dependencies>
  </dependencies>
 </dependencyManagement>
 <build>
  <plugins>
   <plugin>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-maven-plugin</artifactId>
   </plugin>
  </plugins>
 </build>
 <repositories>
  <repository>
   <id>spring-snapshots</id>
   <url>http://repo.spring.io/snapshot</url>
   <snapshots>
    <enabled>true</enabled>
   </snapshots>
  </repository>
  <repository>
   <id>spring-milestones</id>
   <url>http://repo.spring.io/milestone</url>
  </repository>
 </repositories>
 <pluginRepositories>
  <pluginRepository>
   <id>spring-snapshots</id>
   <url>http://repo.spring.io/snapshot</url>
  </pluginRepository>
  <pluginRepository>
   <id>spring-milestones</id>
   <url>http://repo.spring.io/milestone</url>
  </pluginRepository>
 </pluginRepositories>
</project>

<?xml version="1.0" encoding="UTF-8"?>
<ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://ehcache.org/ehcache.xsd"
 updateCheck="false">
   <diskStore path="java.io.tmpdir/Tmp_EhCache" />
   <defaultCache eternal="false" maxElementsInMemory="1000" overflowToDisk="false" diskPersistent="false"
 timeToIdleSeconds="0" timeToLiveSeconds="600" memoryStoreEvictionPolicy="LRU" />
   <cache name="demo" eternal="false" maxElementsInMemory="100" overflowToDisk="false" diskPersistent="false"
 timeToIdleSeconds="0" timeToLiveSeconds="300" memoryStoreEvictionPolicy="LRU" />
</ehcache>

@Configuration
// 标注启动了缓存
@EnableCaching
public class CacheConfiguration {
 /*
  * ehcache 主要的管理器
  */
 @Bean(name = "appEhCacheCacheManager")
 public EhCacheCacheManager ehCacheCacheManager(EhCacheManagerFactoryBean bean){
  return new EhCacheCacheManager (bean.getObject ());
 }

 /*
  * 据shared与否的设置,Spring分别通过CacheManager.create()或new CacheManager()方式来创建一个ehcache基地.
  */
 @Bean
 public EhCacheManagerFactoryBean ehCacheManagerFactoryBean(){
  EhCacheManagerFactoryBean cacheManagerFactoryBean = new EhCacheManagerFactoryBean ();
  cacheManagerFactoryBean.setConfigLocation (new ClassPathResource ("conf/ehcache-app.xml"));
  cacheManagerFactoryBean.setShared (true);
  return cacheManagerFactoryBean;
 }
}

@Service
public class CacheDemoServiceImpl implements CacheDemoService {
 /**
  * 缓存的key
  */
 public static final String THING_ALL_KEY = "\"thing_all\"";
 /**
  * value属性表示使用哪个缓存策略，缓存策略在ehcache.xml
  */
 public static final String DEMO_CACHE_NAME = "demo";
 @CacheEvict(value = DEMO_CACHE_NAME,key = THING_ALL_KEY)
 @Override
 public void create(Thing thing){
  Long id = getNextId ();
  thing.setId (id);
  data.put (id, thing);
 } 
  @Cacheable(value = DEMO_CACHE_NAME,key = "#thing.getId()+'thing'")
 @Override
 public Thing findById(Long id){
  System.err.println ("没有走缓存！" + id);
  return data.get (id);
 }
  @Cacheable(value = DEMO_CACHE_NAME,key = THING_ALL_KEY)
 @Override
 public List<Thing> findAll(){
  return Lists.newArrayList (data.values ());
 }
  @Override
 @CachePut(value = DEMO_CACHE_NAME,key = "#thing.getId()+'thing'")
 @CacheEvict(value = DEMO_CACHE_NAME,key = THING_ALL_KEY)
 public Thing update(Thing thing){
  System.out.println (thing);
  data.put (thing.getId (), thing);
  return thing;
 }
 @CacheEvict(value = DEMO_CACHE_NAME)
 @Override
 public void delete(Long id){
  data.remove (id);
 }
}