近期项目用到Ehcache,以前项目主要用到Oscache,并且缓存也是针对orm来处理,只要配置就好,不需要自定义缓存,不需管理缓存。下面描述一下,Spring+Ehcache来处理缓存。
1,首先引入jar包就不说了环境也不说了,要引入ehcache.xml文件(ehcache配置文件)。
    - <ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
-          xsi:noNamespaceSchemaLocation="ehcache.xsd">  
-   
-       <diskStore path="java.io.tmpdir"/>  
-   
-       <cacheManagerEventListenerFactory class="" properties=""/>  
-   
-   
-     <cacheManagerPeerListenerFactory  
-             class="net.sf.ehcache.distribution.RMICacheManagerPeerListenerFactory"/>  
-   
-   
-      <defaultCache  
-             maxElementsInMemory="10000"  
-             eternal="false"  
-             timeToIdleSeconds="120"  
-             timeToLiveSeconds="120"  
-             overflowToDisk="true"  
-             diskSpoolBufferSizeMB="30"  
-             maxElementsOnDisk="10000000"  
-             diskPersistent="false"  
-             diskExpiryThreadIntervalSeconds="120"  
-             memoryStoreEvictionPolicy="LRU"  
-             />  
-        
-     <Cache  name="InstantCache"  
-             maxElementsInMemory="100000"  
-             eternal="false"  
-             timeToIdleSeconds="120"  
-             timeToLiveSeconds="300"  
-             overflowToDisk="true"  
-             diskSpoolBufferSizeMB="30"  
-             maxElementsOnDisk="10000000"  
-             diskPersistent="false"  
-             diskExpiryThreadIntervalSeconds="120"  
-             memoryStoreEvictionPolicy="LRU"  
-             />    
-     <Cache  name="fixCache"  
-             maxElementsInMemory="100000"  
-             eternal="true"  
-             timeToIdleSeconds="120"  
-             timeToLiveSeconds="120"  
-             overflowToDisk="false"  
-             diskSpoolBufferSizeMB="30"  
-             maxElementsOnDisk="10000000"  
-             diskPersistent="false"  
-             diskExpiryThreadIntervalSeconds="120"  
-             memoryStoreEvictionPolicy="LRU"  
-             />            
-     <Cache  name="methodCache"  
-             maxElementsInMemory="100000"  
-             eternal="false"  
-             timeToIdleSeconds="300000"  
-             timeToLiveSeconds="600000"  
-             overflowToDisk="true"  
-             diskSpoolBufferSizeMB="30"  
-             maxElementsOnDisk="10000000"  
-             diskPersistent="false"  
-             diskExpiryThreadIntervalSeconds="120"  
-             memoryStoreEvictionPolicy="LRU"  
-             />  
-        
-   
-   
- </ehcache>  
-    
 
<ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="ehcache.xsd">
<diskStore path="java.io.tmpdir"/>
<cacheManagerEventListenerFactory class="" properties=""/>
<cacheManagerPeerListenerFactory
class="net.sf.ehcache.distribution.RMICacheManagerPeerListenerFactory"/>
<defaultCache
maxElementsInMemory="10000"
eternal="false"
timeToIdleSeconds="120"
timeToLiveSeconds="120"
overflowToDisk="true"
diskSpoolBufferSizeMB="30"
maxElementsOnDisk="10000000"
diskPersistent="false"
diskExpiryThreadIntervalSeconds="120"
memoryStoreEvictionPolicy="LRU"
/>
<Cache  name="InstantCache"
maxElementsInMemory="100000"
eternal="false"
timeToIdleSeconds="120"
timeToLiveSeconds="300"
overflowToDisk="true"
diskSpoolBufferSizeMB="30"
maxElementsOnDisk="10000000"
diskPersistent="false"
diskExpiryThreadIntervalSeconds="120"
memoryStoreEvictionPolicy="LRU"
/>
<Cache  name="fixCache"
maxElementsInMemory="100000"
eternal="true"
timeToIdleSeconds="120"
timeToLiveSeconds="120"
overflowToDisk="false"
diskSpoolBufferSizeMB="30"
maxElementsOnDisk="10000000"
diskPersistent="false"
diskExpiryThreadIntervalSeconds="120"
memoryStoreEvictionPolicy="LRU"
/>
<Cache  name="methodCache"
maxElementsInMemory="100000"
eternal="false"
timeToIdleSeconds="300000"
timeToLiveSeconds="600000"
overflowToDisk="true"
diskSpoolBufferSizeMB="30"
maxElementsOnDisk="10000000"
diskPersistent="false"
diskExpiryThreadIntervalSeconds="120"
memoryStoreEvictionPolicy="LRU"
/>
</ehcache>
 
 2,自定义Ehcache配置文件ehcache-cfg.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"
"http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<!-- 引用ehCache的配置 -->
<bean id="cacheManager" class="org.springframework.cache.ehcache.EhCacheManagerFactoryBean">
<property name="configLocation">
<value>/WEB-INF/ehcache.xml</value>
</property>
</bean>
<!-- 配置即时缓存 Start-->
<bean id="instantCache" class="org.springframework.cache.ehcache.EhCacheFactoryBean">
<property name="cacheManager">
<ref local="cacheManager" />
</property>
<property name="cacheName">
<value>instantCache</value>
</property>
</bean>
<!-- 配置即时缓存 End-->
<!-- 配置固定缓存 Start-->
<bean id="fixCache" class="org.springframework.cache.ehcache.EhCacheFactoryBean">
<property name="cacheManager">
<ref local="cacheManager" />
</property>
<property name="cacheName">
<value>fixCache</value>
</property>
</bean>
<bean id="fixCacheInterceptor" class="FixCacheInterceptor"></bean>   <!--红色字为自定类-->
<bean id="fixCacheAfterAdvice" class="FixCacheAfterAdvice"></bean> <!--红色字为自定类-->
<bean id="fixCachePointCut" class="org.springframework.aop.support.RegexpMethodPointcutAdvisor">
<property name="advice">
<ref local="fixCacheInterceptor" />
</property>
<property name="patterns">
<list><!-- 不能为空,不然SpringHelper会报拿不到bean的错 -->
<value>.*findAllConfig.*</value>
<value>.*getConfig.*</value>
<value>.*queryConfig.*</value>
<value>.*listConfig.*</value>
<value>.*searchConfig.*</value>
<value>.*loadConfig.*</value>
</list>
</property>
</bean>
<bean id="fixCachePointCutAdivsor" class="org.springframework.aop.support.RegexpMethodPointcutAdvisor">
<property name="advice">
<ref local="fixCacheAfterAdvice" />
</property>
<property name="patterns">
<list>
<value>.*createConfig.*</value>
<!--value>.*saveConfig.*</value-->
<!--value>.*addConfig.*</value-->
<!--value>.*updateConfig.*</value-->
<!--value>.*delConfig.*</value>
<value>.*deleteConfig.*</value>
<value>.*modConfig.*</value-->
<value>.*freeConfig.*</value>
<value>.*bindConfig.*</value>
</list>
</property>
</bean>
<!-- 配置固定缓存 End-->
<!-- 配置接口缓存 Start-->
<bean id="methodCache" class="org.springframework.cache.ehcache.EhCacheFactoryBean">
<property name="cacheManager">
<ref local="cacheManager" />
</property>
<property name="cacheName">
<value>methodCache</value>
</property>
</bean>
<!-- find/create cache拦截器 excludeMethods 过滤的方法-->
<bean id="methodCacheInterceptor" class="MethodCacheInterceptor">
<property name="excludeMethods">
<value>
deleteConfig,findConfig
</value>
</property>
</bean>
<!-- flush cache拦截器 excludeMethods 过滤的方法-->
<bean id="methodCacheAfterAdvice" class="MethodCacheAfterAdvice">
<property name="excludeMethods">
<value>
deleteConfig,findConfig
</value>
</property>
</bean>
<bean id="methodCachePointCut" class="org.springframework.aop.support.RegexpMethodPointcutAdvisor">
<property name="advice">
<ref local="methodCacheInterceptor" />
</property>
<property name="patterns">
<list>
<value>.*find.*</value>
<value>.*get.*</value>
<value>.*query.*</value>
<value>.*list.*</value>
<value>.*search.*</value>
<value>.*load.*</value>
</list>
</property>
</bean>
<bean id="methodCachePointCutAdvice" class="org.springframework.aop.support.RegexpMethodPointcutAdvisor">
<property name="advice">
<ref local="methodCacheAfterAdvice" />
</property>
<property name="patterns">
<list>
<value>.*create.*</value>
<value>.*save.*</value>
<value>.*add.*</value>
<value>.*update.*</value>
<value>.*del.*</value>
<value>.*delete.*</value>
<value>.*mod.*</value>
<value>.*free.*</value>
<value>.*bind.*</value>
</list>
</property>
</bean>
<bean class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">
<property name="proxyTargetClass">
<value>false</value>
</property>
<property name="beanNames">
<list>
<value>*BO</value>
</list>
</property>
<property name="interceptorNames">
<list>
<value>fixCachePointCut</value>
<value>fixCachePointCutAdivsor</value>
<value>methodCachePointCut</value>
<value>methodCachePointCutAdvice</value>
</list>
</property>
</bean>
<!-- 配置接口缓存 End -->
<!-- 刷新固定缓存定时器 Start-->
<bean id="FixJobDetail" class="org.springframework.scheduling.quartz.JobDetailBean">
<property name="jobClass">
<value>com.ot.opf.timer.FixCacheJob</value>
</property>
</bean>
<bean id="FixCacheTrigger" class="org.springframework.scheduling.quartz.CronTriggerBean">
<property name="jobDetail" ref="FixJobDetail" />
<property name="cronExpression">
<value>0 0 2 * * ?</value>
</property>
</bean>
<bean class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
<property name="triggers">
<list><ref bean="FixCacheTrigger"/></list>
</property>
</bean>
<!-- 刷新固定缓存定时器 End -->
</beans>
 3,增加相应缓存的管理类
(1)FixEhCacheManager
    - import java.util.List;   
-   
- import net.sf.ehcache.Cache;   
- import net.sf.ehcache.Element;   
-   
- import org.apache.log4j.Logger;   
-   
-   
-   
- public class FixEhCacheManager {   
-     private static Cache fixCache = (Cache)SpringHelper.getBean("fixCache");   
-     private static Logger logger = Logger.getLogger(FixEhCacheManager.class);   
-   
-     private static boolean isStop = true;  
-   
-     public synchronized static boolean isStop() {   
-         return isStop;   
-     }   
-   
-     public synchronized static void setStop(boolean isStop) {   
-         FixEhCacheManager.isStop = isStop;   
-     }   
-   
-     public synchronized static void put(Object key,Object value){   
-         if(!isStop()){   
-             Element e = new Element(key,value);   
-             logger.debug("cache object to fixCache... key:"+key+",size of value"+e.getSerializedSize());   
-             fixCache.put(e);   
-         }   
-     }   
-   
-     public synchronized static Object get(Object key){   
-         if(isStop())return null;   
-         Element element = fixCache.get(key);   
-         if(element!=null)logger.debug("get object from fixCache... key:"+key);   
-         return element == null ? null : element.getObjectValue();   
-     }   
-   
-     public synchronized static void remove(Object key){   
-         logger.debug("remove object from fixCache... key:"+key);   
-         fixCache.remove(key);   
-     }   
-   
-     public synchronized static void removeAll(){   
-         logger.debug("remove all object from fixCache");   
-         fixCache.removeAll();   
-     }   
-   
-     public synchronized static List getKeys(){   
-         return fixCache.getKeys();   
-     }   
-   
-     public synchronized static int getSize(){   
-         return fixCache.getSize();   
-     }   
-   
-     public synchronized static String getCacheName(){   
-         return fixCache.getName();   
-     }   
-   
-     public synchronized static String getCacheKey(Class _class, String methodName, Object... arguments) {   
-         StringBuffer sb = new StringBuffer("fixCache_");   
-         sb.append(_class.getName()).append(".").append(methodName);   
-         if ((arguments != null) && (arguments.length != 0)) {   
-             for (int i = 0; i < arguments.length; i++) {   
-                 sb.append(".").append(arguments[i]);   
-             }   
-         }   
-         return sb.toString();   
-     }   
- }  
 
import java.util.List;
import net.sf.ehcache.Cache;
import net.sf.ehcache.Element;
import org.apache.log4j.Logger;
public class FixEhCacheManager {
private static Cache fixCache = (Cache)SpringHelper.getBean("fixCache");
private static Logger logger = Logger.getLogger(FixEhCacheManager.class);
private static boolean isStop = true;//初始化暂停
public synchronized static boolean isStop() {
return isStop;
}
public synchronized static void setStop(boolean isStop) {
FixEhCacheManager.isStop = isStop;
}
public synchronized static void put(Object key,Object value){
if(!isStop()){
Element e = new Element(key,value);
logger.debug("cache object to fixCache... key:"+key+",size of value"+e.getSerializedSize());
fixCache.put(e);
}
}
public synchronized static Object get(Object key){
if(isStop())return null;
Element element = fixCache.get(key);
if(element!=null)logger.debug("get object from fixCache... key:"+key);
return element == null ? null : element.getObjectValue();
}
public synchronized static void remove(Object key){
logger.debug("remove object from fixCache... key:"+key);
fixCache.remove(key);
}
public synchronized static void removeAll(){
logger.debug("remove all object from fixCache");
fixCache.removeAll();
}
public synchronized static List getKeys(){
return fixCache.getKeys();
}
public synchronized static int getSize(){
return fixCache.getSize();
}
public synchronized static String getCacheName(){
return fixCache.getName();
}
public synchronized static String getCacheKey(Class _class, String methodName, Object... arguments) {
StringBuffer sb = new StringBuffer("fixCache_");
sb.append(_class.getName()).append(".").append(methodName);
if ((arguments != null) && (arguments.length != 0)) {
for (int i = 0; i < arguments.length; i++) {
sb.append(".").append(arguments[i]);
}
}
return sb.toString();
}
}
 (2)InstantEhCacheManager
    - import java.util.List;   
-   
- import net.sf.ehcache.Cache;   
- import net.sf.ehcache.Element;   
-   
- import org.apache.log4j.Logger;   
-   
-   
-   
-   
- public class InstantEhCacheManager {   
-     private static Cache instantCache = (Cache)SpringHelper.getBean("instantCache");   
-     private static Logger logger = Logger.getLogger(InstantEhCacheManager.class);   
-   
-     private static boolean isStop = true;  
-   
-     public synchronized static boolean isStop() {   
-         return isStop;   
-     }   
-   
-     public synchronized static void setStop(boolean isStop) {   
-         InstantEhCacheManager.isStop = isStop;   
-     }   
-   
-     public synchronized static void put(Object key,Object value){   
-         if(!isStop()){   
-             Element e = new Element(key,value);   
-             logger.debug("cache object to instantCache... key:"+key+",size of value��"+e.getSerializedSize());   
-             instantCache.put(e);   
-         }   
-     }   
-   
-     public synchronized static Object get(Object key){   
-         if(isStop())return null;   
-         Element element = instantCache.get(key);   
-         if(element!=null)logger.debug("get object from instantCache... key:"+key);   
-         return element == null ? null : element.getObjectValue();   
-     }   
-   
-     public synchronized static void remove(Object key){   
-         logger.debug("remove object from instantCache... key:"+key);   
-         instantCache.remove(key);   
-     }   
-   
-     public synchronized static void removeAll(){   
-         logger.debug("remove all object from instantCache");   
-         instantCache.removeAll();   
-     }   
-   
-     public synchronized static List getKeys(){   
-         return instantCache.getKeys();   
-     }   
-   
-     public synchronized static int getSize(){   
-         return instantCache.getSize();   
-     }   
-   
-     public synchronized static String getCacheName(){   
-         return instantCache.getName();   
-     }   
-   
-     public synchronized static String getCacheKey(Class _class, String methodName, Object... arguments) {   
-         StringBuffer sb = new StringBuffer("instantCache_");   
-         sb.append(_class.getName()).append(".").append(methodName);   
-         if ((arguments != null) && (arguments.length != 0)) {   
-             for (int i = 0; i < arguments.length; i++) {   
-                 sb.append(".").append(arguments[i]);   
-             }   
-         }   
-         return sb.toString();   
-     }   
- }  
 
import java.util.List;
import net.sf.ehcache.Cache;
import net.sf.ehcache.Element;
import org.apache.log4j.Logger;
public class InstantEhCacheManager {
private static Cache instantCache = (Cache)SpringHelper.getBean("instantCache");
private static Logger logger = Logger.getLogger(InstantEhCacheManager.class);
private static boolean isStop = true;//初始化停止
public synchronized static boolean isStop() {
return isStop;
}
public synchronized static void setStop(boolean isStop) {
InstantEhCacheManager.isStop = isStop;
}
public synchronized static void put(Object key,Object value){
if(!isStop()){
Element e = new Element(key,value);
logger.debug("cache object to instantCache... key:"+key+",size of value��"+e.getSerializedSize());
instantCache.put(e);
}
}
public synchronized static Object get(Object key){
if(isStop())return null;
Element element = instantCache.get(key);
if(element!=null)logger.debug("get object from instantCache... key:"+key);
return element == null ? null : element.getObjectValue();
}
public synchronized static void remove(Object key){
logger.debug("remove object from instantCache... key:"+key);
instantCache.remove(key);
}
public synchronized static void removeAll(){
logger.debug("remove all object from instantCache");
instantCache.removeAll();
}
public synchronized static List getKeys(){
return instantCache.getKeys();
}
public synchronized static int getSize(){
return instantCache.getSize();
}
public synchronized static String getCacheName(){
return instantCache.getName();
}
public synchronized static String getCacheKey(Class _class, String methodName, Object... arguments) {
StringBuffer sb = new StringBuffer("instantCache_");
sb.append(_class.getName()).append(".").append(methodName);
if ((arguments != null) && (arguments.length != 0)) {
for (int i = 0; i < arguments.length; i++) {
sb.append(".").append(arguments[i]);
}
}
return sb.toString();
}
}
 
(3)MethodEhCacheManager
    - import java.util.List;   
-   
- import net.sf.ehcache.Cache;   
- import net.sf.ehcache.Element;   
-   
- import org.apache.log4j.Logger;   
-   
-   
-   
- public class MethodEhCacheManager {   
-     private static Cache methodCache = (Cache)SpringHelper.getBean("methodCache");   
-     private static Logger logger = Logger.getLogger(MethodEhCacheManager.class);   
-   
-     private static boolean isStop = true;  
-   
-     public synchronized static boolean isStop() {   
-         return isStop;   
-     }   
-   
-     public synchronized static void setStop(boolean isStop) {   
-         MethodEhCacheManager.isStop = isStop;   
-     }   
-   
-     public synchronized static void put(Object key,Object value){   
-         if(!isStop()){   
-             Element e = new Element(key,value);   
-             logger.debug("cache object to methodCache ... key:"+key+",size of value��"+e.getSerializedSize());   
-             methodCache.put(e);   
-         }   
-     }   
-   
-     public synchronized static Object get(Object key){   
-         if(isStop())return null;   
-         Element element = methodCache.get(key);   
-         if(element!=null)logger.debug("get object from methodCache... key:"+key);   
-         return element == null ? null : element.getObjectValue();   
-     }   
-   
-     public synchronized static void remove(Object key){   
-         logger.debug("remove object from methodCache... key:"+key);   
-         methodCache.remove(key);   
-     }   
-   
-     public synchronized static void removeAll(){   
-         logger.debug("remove all object from methodCache");   
-         methodCache.removeAll();   
-     }   
-   
-     public synchronized static List getKeys(){   
-         return methodCache.getKeys();   
-     }   
-   
-     public synchronized static int getSize(){   
-         return methodCache.getSize();   
-     }   
-   
-     public synchronized static String getCacheName(){   
-         return methodCache.getName();   
-     }   
-   
-     public synchronized static String getCacheKey(Class _class, String methodName, Object... arguments) {   
-         StringBuffer sb = new StringBuffer("methodCache_");   
-         sb.append(_class.getName()).append(".").append(methodName);   
-         if ((arguments != null) && (arguments.length != 0)) {   
-             for (int i = 0; i < arguments.length; i++) {   
-                 sb.append(".").append(arguments[i]);   
-             }   
-         }   
-         return sb.toString();   
-     }   
-   
- }  
 
import java.util.List;
import net.sf.ehcache.Cache;
import net.sf.ehcache.Element;
import org.apache.log4j.Logger;
public class MethodEhCacheManager {
private static Cache methodCache = (Cache)SpringHelper.getBean("methodCache");
private static Logger logger = Logger.getLogger(MethodEhCacheManager.class);
private static boolean isStop = true;//初始化暂停
public synchronized static boolean isStop() {
return isStop;
}
public synchronized static void setStop(boolean isStop) {
MethodEhCacheManager.isStop = isStop;
}
public synchronized static void put(Object key,Object value){
if(!isStop()){
Element e = new Element(key,value);
logger.debug("cache object to methodCache ... key:"+key+",size of value��"+e.getSerializedSize());
methodCache.put(e);
}
}
public synchronized static Object get(Object key){
if(isStop())return null;
Element element = methodCache.get(key);
if(element!=null)logger.debug("get object from methodCache... key:"+key);
return element == null ? null : element.getObjectValue();
}
public synchronized static void remove(Object key){
logger.debug("remove object from methodCache... key:"+key);
methodCache.remove(key);
}
public synchronized static void removeAll(){
logger.debug("remove all object from methodCache");
methodCache.removeAll();
}
public synchronized static List getKeys(){
return methodCache.getKeys();
}
public synchronized static int getSize(){
return methodCache.getSize();
}
public synchronized static String getCacheName(){
return methodCache.getName();
}
public synchronized static String getCacheKey(Class _class, String methodName, Object... arguments) {
StringBuffer sb = new StringBuffer("methodCache_");
sb.append(_class.getName()).append(".").append(methodName);
if ((arguments != null) && (arguments.length != 0)) {
for (int i = 0; i < arguments.length; i++) {
sb.append(".").append(arguments[i]);
}
}
return sb.toString();
}
}
 
4,aop相应的类,只要对上面的通过BeanName捕获到,执行相应的AOP处理相应的缓存放入和移出。