spring整合hibernate的事物管理

<?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:aop="http://www.springframework.org/schema/aop"
      xmlns:tx="http://www.springframework.org/schema/tx"
      xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
           http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd">
 
 <!-- 配置sessionFactory -->
 <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
  <property name="configLocation">
   <value>classpath:hibernate.cfg.xml</value>
  </property> 
 </bean>          
 
 <!-- 配置事务管理器 -->
 <bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
  <property name="sessionFactory">
   <ref bean="sessionFactory"/>
  </property> 
 </bean>
 
 <!-- 配置事务的传播特性 -->
 <tx:advice id="txAdvice" transaction-manager="transactionManager">
  <tx:attributes>
   <tx:method name="add*" propagation="REQUIRED"/>
   <tx:method name="del*" propagation="REQUIRED"/>
   <tx:method name="modify*" propagation="REQUIRED"/>
   <tx:method name="*" read-only="true"/>
  </tx:attributes>
 </tx:advice>
 
 <!-- 那些类的哪些方法参与事务 -->
 <aop:config>
  <aop:pointcut id="allManagerMethod" expression="execution(* com.jxdb.spring.service.*.*(..))"/>
  <aop:advisor pointcut-ref="allManagerMethod" advice-ref="txAdvice"/>
 </aop:config>
</beans>