spring中启用缓存

1.所需jar

 hibernate3基本jar和ehcache-1.2.3.jar  

2.配置 

2.1 spring配置

 <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">

         <property name="dataSource" ref="dataSource"/>
         <property name="mappingResources">
            <list>
              <value>com/westsoft/bean/Person.hbm.xml</value>
            </list>
         </property>
         <property name="hibernateProperties">
            <value>
                hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
                hibernate.hbm2ddl.auto=update
                hibernate.show_sql=false
                hibernate.format_sql=false
                hibernate.cache.use_second_level_cache=true
                   hibernate.cache.use_query_cache=false
                hibernate.cache.provider_class=org.hibernate.cache.EhCacheProvider
              </value>
         </property>
    </bean>
    <bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
          <property name="sessionFactory" ref="sessionFactory"/>
    </bean>
    <tx:annotation-driven transaction-manager="txManager"/>

2.2 bean.hbm.xml配置

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

<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
        "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping package="cn.itcast.bean">
    <class name="Person" table="person">
        <cache usage="read-write" region="cn.itcast.bean.Person"/>
        <id name="id">
            <generator class="native"/>
        </id>
        <property name="name" length="10" not-null="true"/>
    </class>
</hibernate-mapping>

2.3 cach配置文件 名字ehcache.xml

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

<!-- 
    defaultCache节点为缺省的缓存策略
     maxElementsInMemory 内存中最大允许存在的对象数量
     eternal 设置缓存中的对象是否永远不过期
     overflowToDisk 把溢出的对象存放到硬盘上
     timeToIdleSeconds 指定缓存对象空闲多长时间就过期,过期的对象会被清除掉
     timeToLiveSeconds 指定缓存对象总的存活时间
     diskPersistent 当jvm结束是是否持久化对象
     diskExpiryThreadIntervalSeconds 指定专门用于清除过期对象的监听线程的轮询时间
 -->
<ehcache>
    <diskStore path="D:\cache"/>
    <defaultCache  maxElementsInMemory="1000" eternal="false" overflowToDisk="true"
        timeToIdleSeconds="120"
        timeToLiveSeconds="180"
        diskPersistent="false"
        diskExpiryThreadIntervalSeconds="60"/>
    <cache name="com.westsoft.bean.Person" maxElementsInMemory="100" eternal="false"
    overflowToDisk="true" timeToIdleSeconds="300" timeToLiveSeconds="600" diskPersistent="false"/>
</ehcache>