JBoss Cache for Spring（Declarative Caching Services）

最新推荐文章于 2025-08-08 09:54:19 发布

转载最新推荐文章于 2025-08-08 09:54:19 发布 · 1.9k 阅读

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#cache #jboss #spring #caching #service #thread

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本文介绍了一个使用JBossCache、Spring及Spring Modules Cache进行缓存管理的示例项目。项目包括了必要的配置文件、代码实现及测试流程。通过该示例可以了解如何在Java应用程序中集成并使用这些技术。

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一、开发环境

Eclipse 3.3

JDK 5.0+JBoss Cache 1.2.4+Spring 2.0+springmodels 0.8

二、配置文件

1、 JBoss Cache配置文件

treecache.xml:

<mbean code="org.jboss.cache.TreeCache"

name="jboss.cache:service=TreeCache">

<depends>jboss:service=Naming</depends>

<depends>jboss:service=TransactionManager</depends>

<attribute name="ClusterName">TreeCache-Cluster</attribute>

<UDP mcast_addr="228.1.2.3" mcast_port="48866"

ip_ttl="64" ip_mcast="true" mcast_send_buf_size="150000"

mcast_recv_buf_size="80000" ucast_send_buf_size="150000"

ucast_recv_buf_size="80000" loopback="false" />

<PING timeout="2000" num_initial_members="3"

up_thread="false" down_thread="false" />

<FD_SOCK />

<VERIFY_SUSPECT timeout="1500" up_thread="false"

down_thread="false" />

<pbcast.NAKACK gc_lag="50"

retransmit_timeout="600,1200,2400,4800" max_xmit_size="8192"

up_thread="false" down_thread="false" />

<UNICAST timeout="600,1200,2400" window_size="100"

min_threshold="10" down_thread="false" />

<pbcast.STABLE desired_avg_gossip="20000"

up_thread="false" down_thread="false" />

<FRAG frag_size="8192" down_thread="false"

up_thread="false" />

<pbcast.GMS join_timeout="5000"

join_retry_timeout="2000" shun="true" print_local_addr="true"/>

<pbcast.STATE_TRANSFER up_thread="true"

down_thread="true" />

</config>

</attribute>

</mbean>

</server>

注意：treecache.xml中红色字体将是我们需要应用的部分！

2、 Spring配置文件

cache.xml:

<?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:coherence="http://www.springmodules.org/schema/coherence"

xsi:schemaLocation="http://www.springframework.org/schema/beans

http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">

<list>

<value>Luke Skywalker</value>

<value>Leia Organa</value>

</list>

</property>

</bean>

</property>

</bean>

<bean id="cacheManager"

class="org.springmodules.cache.provider.jboss.JbossCacheManagerFactoryBean">

</bean>

<bean id="cacheProviderFacade"

class="org.springmodules.cache.provider.jboss.JbossCacheFacade">

</bean>

<bean id="cachingListener"

class="com.cache.Listener.CachingListenerImpl" />

<bean id="cachingInterceptor"

class="org.springmodules.cache.interceptor.caching.MethodMapCachingInterceptor">

<list>

</list>

</property>

<props>

node=jboss.cache:service=TreeCache

</prop>

</props>

</property>

</bean>

<bean id="flushingInterceptor"

class="org.springmodules.cache.interceptor.flush.MethodMapFlushingInterceptor">

<props>

nodes=jboss.cache:service=TreeCache

</prop>

</props>

</property>

</bean>

<bean

class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">

<list>

</list>

</property>

<list>

<value>cachingInterceptor</value>

<value>flushingInterceptor</value>

</list>

</property>

</bean>

</beans>

说明：1、<property name="configLocation" value="classpath:treecache.xml" />

在cacheManager中引入JBoss Cache配置文件

2、<prop key="com.cache.service.UserService.load*">

此处应写接口方法，而不是实现类方法，因为在此Demo中getBean()方法返回的是接口类型！

3、node=jboss.cache:service=TreeCache

nodes=jboss.cache:service=TreeCache

此处引入treecahce.xml中红色字体部分，注意cachingModels中属性名为node，而flushModeling中

属性名为nodes！

3、日志文件

log4j.properties：

log4j.rootLogger=DEBUG, stdout
       log4j.appender.stdout=org.apache.log4j.ConsoleAppender
       log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
       log4j.appender.stdout.layout.ConversionPattern=%c{1} - %m%n

三、Java Demo

1、类CachingListenerImpl：只是单纯实现了CachingListener接口，此Demo中可不使用此类，同时将cache.xml配置文件中蓝色字体部分删去即可。

package com.cache.Listener;
import java.io.Serializable;

import org.springmodules.cache.CachingModel;
import org.springmodules.cache.interceptor.caching.CachingListener;

public class CachingListenerImpl implements CachingListener {

public void onCaching(Serializable arg0, Object arg1, CachingModel arg2) {}

}

2、接口User

package com.cache.model;

import java.util.List;

public interface User {
public abstract List<String> getUsernames();
public abstract void setUsernames(List<String> usernames);

}

3、类UserImpl

package com.cache.model;

import java.util.List;

public class UserImpl implements User{

private List<String> usernames;

      public List<String> getUsernames() {
                   return usernames;
             }

      public void setUsernames(List<String> usernames) {
                   this.usernames = usernames;
             }

}

4、接口UserService

package com.cache.service;

import java.util.List;

import com.cache.model.User;

public interface UserService {
             public List<String> load();
             public User changeUsers();
             public User changeUsers2();
             public void update();
       }

5、类UserServiceImpl

package com.cache.service;

import java.util.ArrayList;
import java.util.List;

import com.cache.model.User;

public class UserServiceImpl implements UserService {

private User users;

      public User getUsers() {
                   return users;
             }

      public void setUsers(User users) {
                   this.users = users;
             }

//caching方法

      public List<String> load() {
                   return users.getUsernames();
             }

      public User changeUsers() {
                   List<String> newUserList = new ArrayList<String>();
                   newUserList.add(0, "Anson Yang");
                   newUserList.add(1, "Kelly Chen");
                   users.setUsernames(newUserList);
                   return users;
             }

             public User changeUsers2() {
                   List<String> newUserList = new ArrayList<String>();
                   newUserList.add(0, "Clark Li");
                   newUserList.add(1, "Grant Ling");
                   users.setUsernames(newUserList);
                   return users;
             }

//flushing方法

public void update() {}

}

6、测试类SimpleTest

package com.cache.test;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.cache.service.UserService;

public class SimpleTest {
             public static void main(String[] args){
                   ApplicationContext ctx = new ClassPathXmlApplicationContext("cache.xml");
                   UserService userService = (UserService) ctx.getBean("UserService");
                   System.out.println("----------------------load()----------------------------");
                   System.out.println(userService.load());
                   System.out.println("------------------changeUsers()-------------------------");
                   userService.changeUsers();
                   System.out.println("----------------------load()----------------------------");
                   System.out.println(userService.load());
                   System.out.println("---------------------update()---------------------------");
                   userService.update();
                   System.out.println("----------------------load()----------------------------");
                   System.out.println(userService.load());
                   System.out.println("------------------changeUsers2()-------------------------");
                   userService.changeUsers2();
                   System.out.println("----------------------load()----------------------------");
                   System.out.println(userService.load());
                   System.out.println("---------------------update()---------------------------");
                   userService.update();
                   System.out.println("----------------------load()----------------------------");
                   System.out.println(userService.load());
             }
       }

7、测试结果

----------------------load()----------------------------
JbossCacheFacade - Attempt to retrieve a cache entry using key <28400024|28399250> and cache model <org.springmodules.cache.provider.jboss.JbossCacheCachingModel@4aa0ce[nodeFqn='jboss.cache:service=TreeCache']>
JbossCacheFacade - Retrieved cache element <null>
MethodMapFlushingInterceptor - Unable to flush cache. No model is associated to the intercepted method
JbossCacheFacade - Attempt to store the object <[Luke Skywalker, Leia Organa]> in the cache using key <28400024|28399250> and model <org.springmodules.cache.provider.jboss.JbossCacheCachingModel@4aa0ce[nodeFqn='jboss.cache:service=TreeCache']>
JbossCacheFacade - Object was successfully stored in the cache
[Luke Skywalker, Leia Organa]
------------------changeUsers()-------------------------
MethodMapCachingInterceptor - Unable to perform caching. No model is associated to the method <public abstract com.cache.model.User com.cache.service.UserService.changeUsers()>
MethodMapFlushingInterceptor - Unable to flush cache. No model is associated to the intercepted method
----------------------load()----------------------------
JbossCacheFacade - Attempt to retrieve a cache entry using key <28400024|28399250> and cache model <org.springmodules.cache.provider.jboss.JbossCacheCachingModel@4aa0ce[nodeFqn='jboss.cache:service=TreeCache']>
JbossCacheFacade - Retrieved cache element <[Luke Skywalker, Leia Organa]>
[Luke Skywalker, Leia Organa]
---------------------update()---------------------------
MethodMapCachingInterceptor - Unable to perform caching. Intercepted method <public abstract void com.cache.service.UserService.update()> does not return a value
JbossCacheFacade - Attempt to flush the cache using model <org.springmodules.cache.provider.jboss.JbossCacheFlushingModel@145f0e3[nodes={'jboss.cache:service=TreeCache'}, flushBeforeMethodExecution=false]>
JbossCacheFacade - Cache has been flushed.
----------------------load()----------------------------
JbossCacheFacade - Attempt to retrieve a cache entry using key <28400024|28399250> and cache model <org.springmodules.cache.provider.jboss.JbossCacheCachingModel@4aa0ce[nodeFqn='jboss.cache:service=TreeCache']>
JbossCacheFacade - Retrieved cache element <null>
MethodMapFlushingInterceptor - Unable to flush cache. No model is associated to the intercepted method
JbossCacheFacade - Attempt to store the object <[Anson Yang, Kelly Chen]> in the cache using key <28400024|28399250> and model <org.springmodules.cache.provider.jboss.JbossCacheCachingModel@4aa0ce[nodeFqn='jboss.cache:service=TreeCache']>
JbossCacheFacade - Object was successfully stored in the cache
[Anson Yang, Kelly Chen]
------------------changeUsers2()-------------------------
MethodMapCachingInterceptor - Unable to perform caching. No model is associated to the method <public abstract com.cache.model.User com.cache.service.UserService.changeUsers2()>
MethodMapFlushingInterceptor - Unable to flush cache. No model is associated to the intercepted method
----------------------load()----------------------------
JbossCacheFacade - Attempt to retrieve a cache entry using key <28400024|28399250> and cache model <org.springmodules.cache.provider.jboss.JbossCacheCachingModel@4aa0ce[nodeFqn='jboss.cache:service=TreeCache']>
JbossCacheFacade - Retrieved cache element <[Anson Yang, Kelly Chen]>
[Anson Yang, Kelly Chen]
---------------------update()---------------------------
MethodMapCachingInterceptor - Unable to perform caching. Intercepted method <public abstract void com.cache.service.UserService.update()> does not return a value
JbossCacheFacade - Attempt to flush the cache using model <org.springmodules.cache.provider.jboss.JbossCacheFlushingModel@145f0e3[nodes={'jboss.cache:service=TreeCache'}, flushBeforeMethodExecution=false]>
JbossCacheFacade - Cache has been flushed.
----------------------load()----------------------------
JbossCacheFacade - Attempt to retrieve a cache entry using key <28400024|28399250> and cache model <org.springmodules.cache.provider.jboss.JbossCacheCachingModel@4aa0ce[nodeFqn='jboss.cache:service=TreeCache']>
JbossCacheFacade - Retrieved cache element <null>
MethodMapFlushingInterceptor - Unable to flush cache. No model is associated to the intercepted method
JbossCacheFacade - Attempt to store the object <[Clark Li, Grant Ling]> in the cache using key <28400024|28399250> and model <org.springmodules.cache.provider.jboss.JbossCacheCachingModel@4aa0ce[nodeFqn='jboss.cache:service=TreeCache']>
JbossCacheFacade - Object was successfully stored in the cache
[Clark Li, Grant Ling]

四、jar包清单

log4j-1.2.14.jar
spring.jar
spring-modules-cache.jar
commons-collections.jar
commons-logging.jar
jakarta-oro.jar
jboss-cache.jar
jboss-jmx.jar
jboss-system.jar
jgroups.jar
jboss-common.jar
jta.jar
concurrent.jar

五、附另一JBoss Cache配置文件

<?xml version="1.0" encoding="UTF-8"?>





<server>
<mbean code="org.jboss.cache.jmx.CacheJmxWrapper"
name="jboss.cache:service=Cache">


<attribute name="IsolationLevel">READ_COMMITTED</attribute>

<attribute name="LockParentForChildInsertRemove">
   true
</attribute>

<attribute name="CacheMode">LOCAL</attribute>

<attribute name="LockAcquisitionTimeout">15000</attribute>

<attribute name="EvictionConfig">
   <config>
    <attribute name="wakeUpIntervalSeconds">5</attribute>
    <attribute name="policyClass">
     org.jboss.cache.eviction.LRUPolicy
    </attribute>
    
    <region name="default">
     <attribute name="maxNodes">5000</attribute>
     <attribute name="timeToLiveSeconds">1000</attribute>
    </region>
   </config>
</attribute>
</mbean>
</server>

六、参考文献

1、http://dev2dev.bea.com.cn/techdoc/20060718846.html

2、https://springmodules.dev.java.net/docs/reference/0.8/html_single/#cache-uses

3、springmodules下载地址：https://springmodules.dev.java.net/servlets/ProjectDocumentList?folderID=7051&expandFolder=7051&folderID=0