Jason ---分享,共同進步

近期項目用到Ehcache，以前項目主要用到Oscache,并且緩存也是針對orm來處理，只要配置就好，不需要自定義緩存，不需管理緩存。下面描述一下，Spring+Ehcache來處理緩存。

1，首先引入jar包就不說了環境也不說了，要引入ehcache.xml文件(ehcache配置文件)。

Xml代碼

1. <ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
2.          xsi:noNamespaceSchemaLocation="ehcache.xsd">  
3.   
4.       <diskStore path="java.io.tmpdir"/>  
5.   
6.       <cacheManagerEventListenerFactory class="" properties=""/>  
7.   
8.   
9.     <cacheManagerPeerListenerFactory  
10.             class="net.sf.ehcache.distribution.RMICacheManagerPeerListenerFactory"/>  
11.   
12.   
13.      <defaultCache  
14.             maxElementsInMemory="10000"  
15.             eternal="false"  
16.             timeToIdleSeconds="120"  
17.             timeToLiveSeconds="120"  
18.             overflowToDisk="true"  
19.             diskSpoolBufferSizeMB="30"  
20.             maxElementsOnDisk="10000000"  
21.             diskPersistent="false"  
22.             diskExpiryThreadIntervalSeconds="120"  
23.             memoryStoreEvictionPolicy="LRU"  
24.             />  
25.        
26.     <Cache  name="InstantCache"  
27.             maxElementsInMemory="100000"  
28.             eternal="false"  
29.             timeToIdleSeconds="120"  
30.             timeToLiveSeconds="300"  
31.             overflowToDisk="true"  
32.             diskSpoolBufferSizeMB="30"  
33.             maxElementsOnDisk="10000000"  
34.             diskPersistent="false"  
35.             diskExpiryThreadIntervalSeconds="120"  
36.             memoryStoreEvictionPolicy="LRU"  
37.             />    
38.     <Cache  name="fixCache"  
39.             maxElementsInMemory="100000"  
40.             eternal="true"  
41.             timeToIdleSeconds="120"  
42.             timeToLiveSeconds="120"  
43.             overflowToDisk="false"  
44.             diskSpoolBufferSizeMB="30"  
45.             maxElementsOnDisk="10000000"  
46.             diskPersistent="false"  
47.             diskExpiryThreadIntervalSeconds="120"  
48.             memoryStoreEvictionPolicy="LRU"  
49.             />            
50.     <Cache  name="methodCache"  
51.             maxElementsInMemory="100000"  
52.             eternal="false"  
53.             timeToIdleSeconds="300000"  
54.             timeToLiveSeconds="600000"  
55.             overflowToDisk="true"  
56.             diskSpoolBufferSizeMB="30"  
57.             maxElementsOnDisk="10000000"  
58.             diskPersistent="false"  
59.             diskExpiryThreadIntervalSeconds="120"  
60.             memoryStoreEvictionPolicy="LRU"  
61.             />  
62.        
63.   
64.   
65. </ehcache>  
66.    

<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，自定義Ehcache配置文件ehcache-cfg.xml

Xml代碼

1. <?xml version="1.0" encoding="UTF-8"?>  
2. <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"   
3.     "http://www.springframework.org/dtd/spring-beans.dtd">  
4. <beans>  
5.     <!-- 引用ehCache的配置 -->  
6.     <bean id="cacheManager" class="org.springframework.cache.ehcache.EhCacheManagerFactoryBean">  
7.         <property name="configLocation">  
8.             <value>/WEB-INF/ehcache.xml</value>  
9.         </property>  
10.     </bean>  
11.   
12.     <!-- 配置即時緩存 Start-->  
13.     <bean id="instantCache" class="org.springframework.cache.ehcache.EhCacheFactoryBean">  
14.         <property name="cacheManager">  
15.             <ref local="cacheManager" />  
16.         </property>  
17.         <property name="cacheName">  
18.             <value>instantCache</value>  
19.         </property>  
20.     </bean>  
21.     <!-- 配置即時緩存 End-->  
22.   
23.     <!-- 配置固定緩存 Start-->  
24.     <bean id="fixCache" class="org.springframework.cache.ehcache.EhCacheFactoryBean">  
25.         <property name="cacheManager">  
26.             <ref local="cacheManager" />  
27.         </property>  
28.         <property name="cacheName">  
29.             <value>fixCache</value>  
30.         </property>  
31.     </bean>  
32.     <bean id="fixCacheInterceptor" class="<SPAN style="COLOR: #000000">FixCacheInterceptor</SPAN>"></bean>  <SPAN style="COLOR: #ff0000"> <!--紅色字為自定類--></SPAN>  
33.     <bean id="fixCacheAfterAdvice" class="<SPAN style="COLOR: #000000">FixCacheAfterAdvice</SPAN>"></bean><SPAN style="COLOR: #ff0000"> <!--紅色字為自定類--></SPAN>  
34.   
35.     <bean id="fixCachePointCut" class="org.springframework.aop.support.RegexpMethodPointcutAdvisor">  
36.         <property name="advice">  
37.             <ref local="fixCacheInterceptor" />  
38.         </property>  
39.         <property name="patterns">  
40.             <list><!-- 不能為空，不然SpringHelper會報拿不到bean的錯 -->  
41.                 <value>.*findAllConfig.*</value>  
42.                 <value>.*getConfig.*</value>  
43.                 <value>.*queryConfig.*</value>  
44.                 <value>.*listConfig.*</value>  
45.                 <value>.*searchConfig.*</value>  
46.                 <value>.*loadConfig.*</value>  
47.                 </list>  
48.         </property>  
49.     </bean>  
50.     <bean id="fixCachePointCutAdivsor" class="org.springframework.aop.support.RegexpMethodPointcutAdvisor">  
51.         <property name="advice">  
52.             <ref local="fixCacheAfterAdvice" />  
53.         </property>  
54.         <property name="patterns">  
55.             <list>  
56.                 <value>.*createConfig.*</value>  
57.                 <!--value>.*saveConfig.*</value-->  
58.                 <!--value>.*addConfig.*</value-->  
59.                 <!--value>.*updateConfig.*</value-->  
60.                 <!--value>.*delConfig.*</value>  
61.                 <value>.*deleteConfig.*</value>  
62.                 <value>.*modConfig.*</value-->  
63.                 <value>.*freeConfig.*</value>  
64.                 <value>.*bindConfig.*</value>  
65.             </list>  
66.         </property>  
67.     </bean>  
68.     <!-- 配置固定緩存 End-->  
69.   
70.     <!-- 配置接口緩存 Start-->  
71.     <bean id="methodCache" class="org.springframework.cache.ehcache.EhCacheFactoryBean">  
72.         <property name="cacheManager">  
73.             <ref local="cacheManager" />  
74.         </property>  
75.         <property name="cacheName">  
76.             <value>methodCache</value>  
77.         </property>  
78.     </bean>  
79.     <!-- find/create cache攔截器 excludeMethods 過濾的方法-->  
80.     <bean id="methodCacheInterceptor" class="<SPAN style="COLOR: #000000">MethodCacheInterceptor</SPAN>">  
81.         <property name="excludeMethods">  
82.             <value>  
83.                 deleteConfig,findConfig   
84.             </value>  
85.         </property>  
86.     </bean>  
87.     <!-- flush cache攔截器 excludeMethods 過濾的方法-->  
88.     <bean id="methodCacheAfterAdvice" class="<SPAN style="COLOR: #000000">MethodCacheAfterAdvice</SPAN>">  
89.         <property name="excludeMethods">  
90.             <value>  
91.                 deleteConfig,findConfig   
92.             </value>  
93.         </property>  
94.     </bean>  
95.     <bean id="methodCachePointCut" class="org.springframework.aop.support.RegexpMethodPointcutAdvisor">  
96.         <property name="advice">  
97.             <ref local="methodCacheInterceptor" />  
98.         </property>  
99.         <property name="patterns">  
100.             <list>  
101.                 <value>.*find.*</value>  
102.                 <value>.*get.*</value>  
103.                 <value>.*query.*</value>  
104.                 <value>.*list.*</value>  
105.                 <value>.*search.*</value>  
106.                 <value>.*load.*</value>  
107.             </list>  
108.         </property>  
109.     </bean>  
110.     <bean id="methodCachePointCutAdvice" class="org.springframework.aop.support.RegexpMethodPointcutAdvisor">  
111.         <property name="advice">  
112.             <ref local="methodCacheAfterAdvice" />  
113.         </property>  
114.         <property name="patterns">  
115.             <list>  
116.                 <value>.*create.*</value>  
117.                 <value>.*save.*</value>  
118.                 <value>.*add.*</value>  
119.                 <value>.*update.*</value>  
120.                 <value>.*del.*</value>  
121.                 <value>.*delete.*</value>  
122.                 <value>.*mod.*</value>  
123.                 <value>.*free.*</value>  
124.                 <value>.*bind.*</value>  
125.             </list>  
126.         </property>  
127.     </bean>  
128.     <bean class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">  
129.         <property name="proxyTargetClass">  
130.             <value>false</value>  
131.         </property>  
132.         <property name="beanNames">  
133.             <list>  
134.                 <value>*BO</value>  
135.             </list>  
136.         </property>  
137.         <property name="interceptorNames">  
138.             <list>  
139.                 <value>fixCachePointCut</value>  
140.                 <value>fixCachePointCutAdivsor</value>  
141.                 <value>methodCachePointCut</value>  
142.                 <value>methodCachePointCutAdvice</value>  
143.             </list>  
144.         </property>  
145.     </bean>  
146.     <!-- 配置接口緩存 End -->  
147.   
148.     <!-- 刷新固定緩存定時器 Start-->  
149.     <bean id="FixJobDetail" class="org.springframework.scheduling.quartz.JobDetailBean">  
150.         <property name="jobClass">  
151.             <value>com.ot.opf.timer.FixCacheJob</value>  
152.         </property>  
153.     </bean>  
154.     <bean id="FixCacheTrigger" class="org.springframework.scheduling.quartz.CronTriggerBean">  
155.         <property name="jobDetail" ref="FixJobDetail" />  
156.         <property name="cronExpression">  
157.             <value>0 0 2 * * ?</value>  
158.         </property>  
159.     </bean>  
160.     <bean class="org.springframework.scheduling.quartz.SchedulerFactoryBean">  
161.         <property name="triggers">  
162.            <list><ref bean="FixCacheTrigger"/></list>  
163.         </property>  
164.     </bean>  
165.     <!-- 刷新固定緩存定時器 End -->  
166. </beans>  

<?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>
<!-- 配置即時緩存 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>
<!-- 配置即時緩存 End-->
<!-- 配置固定緩存 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>   <!--紅色字為自定類-->
<bean id="fixCacheAfterAdvice" class="FixCacheAfterAdvice"></bean> <!--紅色字為自定類-->
<bean id="fixCachePointCut" class="org.springframework.aop.support.RegexpMethodPointcutAdvisor">
<property name="advice">
<ref local="fixCacheInterceptor" />
</property>
<property name="patterns">
<list><!-- 不能為空，不然SpringHelper會報拿不到bean的錯 -->
<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>
<!-- 配置固定緩存 End-->
<!-- 配置接口緩存 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攔截器 excludeMethods 過濾的方法-->
<bean id="methodCacheInterceptor" class="MethodCacheInterceptor">
<property name="excludeMethods">
<value>
deleteConfig,findConfig
</value>
</property>
</bean>
<!-- flush cache攔截器 excludeMethods 過濾的方法-->
<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>
<!-- 配置接口緩存 End -->
<!-- 刷新固定緩存定時器 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>
<!-- 刷新固定緩存定時器 End -->
</beans>

 3，增加相應緩存的管理類

（1）FixEhCacheManager

Java代碼

1. import java.util.List;   
2.   
3. import net.sf.ehcache.Cache;   
4. import net.sf.ehcache.Element;   
5.   
6. import org.apache.log4j.Logger;   
7.   
8.   
9.   
10. public class FixEhCacheManager {   
11.     private static Cache fixCache = (Cache)SpringHelper.getBean("fixCache");   
12.     private static Logger logger = Logger.getLogger(FixEhCacheManager.class);   
13.   
14.     private static boolean isStop = true;//初始化暫停   
15.   
16.     public synchronized static boolean isStop() {   
17.         return isStop;   
18.     }   
19.   
20.     public synchronized static void setStop(boolean isStop) {   
21.         FixEhCacheManager.isStop = isStop;   
22.     }   
23.   
24.     public synchronized static void put(Object key,Object value){   
25.         if(!isStop()){   
26.             Element e = new Element(key,value);   
27.             logger.debug("cache object to fixCache... key:"+key+",size of value"+e.getSerializedSize());   
28.             fixCache.put(e);   
29.         }   
30.     }   
31.   
32.     public synchronized static Object get(Object key){   
33.         if(isStop())return null;   
34.         Element element = fixCache.get(key);   
35.         if(element!=null)logger.debug("get object from fixCache... key:"+key);   
36.         return element == null ? null : element.getObjectValue();   
37.     }   
38.   
39.     public synchronized static void remove(Object key){   
40.         logger.debug("remove object from fixCache... key:"+key);   
41.         fixCache.remove(key);   
42.     }   
43.   
44.     public synchronized static void removeAll(){   
45.         logger.debug("remove all object from fixCache");   
46.         fixCache.removeAll();   
47.     }   
48.   
49.     public synchronized static List getKeys(){   
50.         return fixCache.getKeys();   
51.     }   
52.   
53.     public synchronized static int getSize(){   
54.         return fixCache.getSize();   
55.     }   
56.   
57.     public synchronized static String getCacheName(){   
58.         return fixCache.getName();   
59.     }   
60.   
61.     public synchronized static String getCacheKey(Class _class, String methodName, Object... arguments) {   
62.         StringBuffer sb = new StringBuffer("fixCache_");   
63.         sb.append(_class.getName()).append(".").append(methodName);   
64.         if ((arguments != null) && (arguments.length != 0)) {   
65.             for (int i = 0; i < arguments.length; i++) {   
66.                 sb.append(".").append(arguments[i]);   
67.             }   
68.         }   
69.         return sb.toString();   
70.     }   
71. }  

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;//初始化暫停
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

Java代碼

1. import java.util.List;   
2.   
3. import net.sf.ehcache.Cache;   
4. import net.sf.ehcache.Element;   
5.   
6. import org.apache.log4j.Logger;   
7.   
8.   
9.   
10.   
11. public class InstantEhCacheManager {   
12.     private static Cache instantCache = (Cache)SpringHelper.getBean("instantCache");   
13.     private static Logger logger = Logger.getLogger(InstantEhCacheManager.class);   
14.   
15.     private static boolean isStop = true;//初始化停止   
16.   
17.     public synchronized static boolean isStop() {   
18.         return isStop;   
19.     }   
20.   
21.     public synchronized static void setStop(boolean isStop) {   
22.         InstantEhCacheManager.isStop = isStop;   
23.     }   
24.   
25.     public synchronized static void put(Object key,Object value){   
26.         if(!isStop()){   
27.             Element e = new Element(key,value);   
28.             logger.debug("cache object to instantCache... key:"+key+",size of value??"+e.getSerializedSize());   
29.             instantCache.put(e);   
30.         }   
31.     }   
32.   
33.     public synchronized static Object get(Object key){   
34.         if(isStop())return null;   
35.         Element element = instantCache.get(key);   
36.         if(element!=null)logger.debug("get object from instantCache... key:"+key);   
37.         return element == null ? null : element.getObjectValue();   
38.     }   
39.   
40.     public synchronized static void remove(Object key){   
41.         logger.debug("remove object from instantCache... key:"+key);   
42.         instantCache.remove(key);   
43.     }   
44.   
45.     public synchronized static void removeAll(){   
46.         logger.debug("remove all object from instantCache");   
47.         instantCache.removeAll();   
48.     }   
49.   
50.     public synchronized static List getKeys(){   
51.         return instantCache.getKeys();   
52.     }   
53.   
54.     public synchronized static int getSize(){   
55.         return instantCache.getSize();   
56.     }   
57.   
58.     public synchronized static String getCacheName(){   
59.         return instantCache.getName();   
60.     }   
61.   
62.     public synchronized static String getCacheKey(Class _class, String methodName, Object... arguments) {   
63.         StringBuffer sb = new StringBuffer("instantCache_");   
64.         sb.append(_class.getName()).append(".").append(methodName);   
65.         if ((arguments != null) && (arguments.length != 0)) {   
66.             for (int i = 0; i < arguments.length; i++) {   
67.                 sb.append(".").append(arguments[i]);   
68.             }   
69.         }   
70.         return sb.toString();   
71.     }   
72. }  

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

Java代碼

1. import java.util.List;   
2.   
3. import net.sf.ehcache.Cache;   
4. import net.sf.ehcache.Element;   
5.   
6. import org.apache.log4j.Logger;   
7.   
8.   
9.   
10. public class MethodEhCacheManager {   
11.     private static Cache methodCache = (Cache)SpringHelper.getBean("methodCache");   
12.     private static Logger logger = Logger.getLogger(MethodEhCacheManager.class);   
13.   
14.     private static boolean isStop = true;//初始化暫停   
15.   
16.     public synchronized static boolean isStop() {   
17.         return isStop;   
18.     }   
19.   
20.     public synchronized static void setStop(boolean isStop) {   
21.         MethodEhCacheManager.isStop = isStop;   
22.     }   
23.   
24.     public synchronized static void put(Object key,Object value){   
25.         if(!isStop()){   
26.             Element e = new Element(key,value);   
27.             logger.debug("cache object to methodCache ... key:"+key+",size of value??"+e.getSerializedSize());   
28.             methodCache.put(e);   
29.         }   
30.     }   
31.   
32.     public synchronized static Object get(Object key){   
33.         if(isStop())return null;   
34.         Element element = methodCache.get(key);   
35.         if(element!=null)logger.debug("get object from methodCache... key:"+key);   
36.         return element == null ? null : element.getObjectValue();   
37.     }   
38.   
39.     public synchronized static void remove(Object key){   
40.         logger.debug("remove object from methodCache... key:"+key);   
41.         methodCache.remove(key);   
42.     }   
43.   
44.     public synchronized static void removeAll(){   
45.         logger.debug("remove all object from methodCache");   
46.         methodCache.removeAll();   
47.     }   
48.   
49.     public synchronized static List getKeys(){   
50.         return methodCache.getKeys();   
51.     }   
52.   
53.     public synchronized static int getSize(){   
54.         return methodCache.getSize();   
55.     }   
56.   
57.     public synchronized static String getCacheName(){   
58.         return methodCache.getName();   
59.     }   
60.   
61.     public synchronized static String getCacheKey(Class _class, String methodName, Object... arguments) {   
62.         StringBuffer sb = new StringBuffer("methodCache_");   
63.         sb.append(_class.getName()).append(".").append(methodName);   
64.         if ((arguments != null) && (arguments.length != 0)) {   
65.             for (int i = 0; i < arguments.length; i++) {   
66.                 sb.append(".").append(arguments[i]);   
67.             }   
68.         }   
69.         return sb.toString();   
70.     }   
71.   
72. }  

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;//初始化暫停
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相應的類，只要對上面的通過BeanName捕獲到，執行相應的AOP處理相應的緩存放入和移出。