码迷,mamicode.com
首页 > 编程语言 > 详细

Spring事务配置的五种方式

时间:2014-09-03 13:23:57      阅读:233      评论:0      收藏:0      [点我收藏+]

标签:style   blog   http   color   os   io   使用   java   ar   

 前段时间对Spring的事务配置做了比较深入的研究,在此之间对Spring的事务配置虽说也配置过,但是一直没有一个清楚的认识。通过这次的学习发觉Spring的事务配置只要把思路理清,还是比较好掌握的。

    总结如下:

    Spring配置文件中关于事务配置总是由三个组成部分,分别是DataSource、TransactionManager和代理机制这三部分,无论哪种配置方式,一般变化的只是代理机制这部分。

    DataSource、TransactionManager这两部分只是会根据数据访问方式有所变化,比如使用Hibernate进行数据访问时,DataSource实际为SessionFactory,TransactionManager的实现为HibernateTransactionManager。

    具体如下图:

    根据代理机制的不同,总结了五种Spring事务的配置方式,配置文件如下:

    第一种方式:每个Bean都有一个代理

<?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:context
="http://www.springframework.org/schema/context"
    xmlns:aop
="http://www.springframework.org/schema/aop"
    xsi:schemaLocation="http://www.springframework.org/schema/beans 
           http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
           http://www.springframework.org/schema/context
           http://www.springframework.org/schema/context/spring-context-2.5.xsd
           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd"
>

    
<bean id="sessionFactory"  
            class
="org.springframework.orm.hibernate3.LocalSessionFactoryBean">  
        
<property name="configLocation" value="classpath:hibernate.cfg.xml" />  
        
<property name="configurationClass" value="org.hibernate.cfg.AnnotationConfiguration" />
    
</bean>  

    
<!-- 定义事务管理器(声明式的事务) -->  
    
<bean id="transactionManager"
        class
="org.springframework.orm.hibernate3.HibernateTransactionManager">
        
<property name="sessionFactory" ref="sessionFactory" />
    
</bean>
    
    
<!-- 配置DAO -->
    
<bean id="userDaoTarget" class="com.bluesky.spring.dao.UserDaoImpl">
        
<property name="sessionFactory" ref="sessionFactory" />
    
</bean>
    
    
<bean id="userDao"  
        class
="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">  
           
<!-- 配置事务管理器 -->  
           
<property name="transactionManager" ref="transactionManager" />     
        
<property name="target" ref="userDaoTarget" />  
         
<property name="proxyInterfaces" value="com.bluesky.spring.dao.GeneratorDao" />
        
<!-- 配置事务属性 -->  
        
<property name="transactionAttributes">  
            
<props>  
                
<prop key="*">PROPAGATION_REQUIRED</prop>
            
</props>  
        
</property>  
    
</bean>  
</beans>

    第二种方式:所有Bean共享一个代理基类

<?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:context
="http://www.springframework.org/schema/context"
    xmlns:aop
="http://www.springframework.org/schema/aop"
    xsi:schemaLocation
="http://www.springframework.org/schema/beans 
           http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
           http://www.springframework.org/schema/context
           http://www.springframework.org/schema/context/spring-context-2.5.xsd
           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd"
>

    
<bean id="sessionFactory"  
            class
="org.springframework.orm.hibernate3.LocalSessionFactoryBean">  
        
<property name="configLocation" value="classpath:hibernate.cfg.xml" />  
        
<property name="configurationClass" value="org.hibernate.cfg.AnnotationConfiguration" />
    
</bean>  

    
<!-- 定义事务管理器(声明式的事务) -->  
    
<bean id="transactionManager"
        class
="org.springframework.orm.hibernate3.HibernateTransactionManager">
        
<property name="sessionFactory" ref="sessionFactory" />
    
</bean>
    
    
<bean id="transactionBase"  
            class
="org.springframework.transaction.interceptor.TransactionProxyFactoryBean"  
            lazy-init
="true" abstract="true">  
        
<!-- 配置事务管理器 -->  
        
<property name="transactionManager" ref="transactionManager" />  
        
<!-- 配置事务属性 -->  
        
<property name="transactionAttributes">  
            
<props>  
                
<prop key="*">PROPAGATION_REQUIRED</prop>  
            
</props>  
        
</property>  
    
</bean>    
   
    
<!-- 配置DAO -->
    
<bean id="userDaoTarget" class="com.bluesky.spring.dao.UserDaoImpl">
        
<property name="sessionFactory" ref="sessionFactory" />
    
</bean>
    
    
<bean id="userDao" parent="transactionBase" >  
        
<property name="target" ref="userDaoTarget" />   
    
</bean>
</beans>

第三种方式:使用拦截器

<?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:context
="http://www.springframework.org/schema/context"
    xmlns:aop
="http://www.springframework.org/schema/aop"
    xsi:schemaLocation="http://www.springframework.org/schema/beans 
           http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
           http://www.springframework.org/schema/context
           http://www.springframework.org/schema/context/spring-context-2.5.xsd
           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd"
>

    
<bean id="sessionFactory"  
            class
="org.springframework.orm.hibernate3.LocalSessionFactoryBean">  
        
<property name="configLocation" value="classpath:hibernate.cfg.xml" />  
        
<property name="configurationClass" value="org.hibernate.cfg.AnnotationConfiguration" />
    
</bean>  

    
<!-- 定义事务管理器(声明式的事务) -->  
    
<bean id="transactionManager"
        class
="org.springframework.orm.hibernate3.HibernateTransactionManager">
        
<property name="sessionFactory" ref="sessionFactory" />
    
</bean> 
   
    
<bean id="transactionInterceptor"  
        class
="org.springframework.transaction.interceptor.TransactionInterceptor">  
        
<property name="transactionManager" ref="transactionManager" />  
        
<!-- 配置事务属性 -->  
        
<property name="transactionAttributes">  
            
<props>  
                
<prop key="*">PROPAGATION_REQUIRED</prop>  
            
</props>  
        
</property>  
    
</bean>
      
    
<bean class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">  
        
<property name="beanNames">  
            
<list>  
                
<value>*Dao</value>
            </list>  
        
</property>  
        
<property name="interceptorNames">  
            
<list>  
                
<value>transactionInterceptor</value>  
            
</list>  
        
</property>  
    
</bean>  
  
    
<!-- 配置DAO -->
    
<bean id="userDao" class="com.bluesky.spring.dao.UserDaoImpl">
        
<property name="sessionFactory" ref="sessionFactory" />
    
</bean>
</beans>

第四种方式:使用tx标签配置的拦截器

<?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:context
="http://www.springframework.org/schema/context"
    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-2.5.xsd
           http://www.springframework.org/schema/context
           http://www.springframework.org/schema/context/spring-context-2.5.xsd
           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
           http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd"
>

    
<context:annotation-config />
    
<context:component-scan base-package="com.bluesky" />

    
<bean id="sessionFactory"  
            class
="org.springframework.orm.hibernate3.LocalSessionFactoryBean">  
        
<property name="configLocation" value="classpath:hibernate.cfg.xml" />  
        
<property name="configurationClass" value="org.hibernate.cfg.AnnotationConfiguration" />
    
</bean>  

    
<!-- 定义事务管理器(声明式的事务) -->  
    
<bean id="transactionManager"
        class
="org.springframework.orm.hibernate3.HibernateTransactionManager">
        
<property name="sessionFactory" ref="sessionFactory" />
    
</bean>

    
<tx:advice id="txAdvice" transaction-manager="transactionManager">
        
<tx:attributes>
            
<tx:method name="*" propagation="REQUIRED" />
        
</tx:attributes>
    
</tx:advice>
    
    
<aop:config>
        
<aop:pointcut id="interceptorPointCuts"
            expression
="execution(* com.bluesky.spring.dao.*.*(..))" />
        
<aop:advisor advice-ref="txAdvice"
            pointcut-ref
="interceptorPointCuts" />        
    
</aop:config>      
</beans>

第五种方式:全注解

<?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:context
="http://www.springframework.org/schema/context"
    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-2.5.xsd
           http://www.springframework.org/schema/context
           http://www.springframework.org/schema/context/spring-context-2.5.xsd
           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
           http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd"
>

    
<context:annotation-config />
    
<context:component-scan base-package="com.bluesky" />

    
<tx:annotation-driven transaction-manager="transactionManager"/>

    
<bean id="sessionFactory"  
            class
="org.springframework.orm.hibernate3.LocalSessionFactoryBean">  
        
<property name="configLocation" value="classpath:hibernate.cfg.xml" />  
        
<property name="configurationClass" value="org.hibernate.cfg.AnnotationConfiguration" />
    
</bean>  

    
<!-- 定义事务管理器(声明式的事务) -->  
    
<bean id="transactionManager"
        class
="org.springframework.orm.hibernate3.HibernateTransactionManager">
        
<property name="sessionFactory" ref="sessionFactory" />
    
</bean>
    
</beans>

此时在DAO上需加上@Transactional注解,如下:

package com.bluesky.spring.dao;

import java.util.List;

import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import org.springframework.stereotype.Component;

import com.bluesky.spring.domain.User;

@Transactional
@Component(
"userDao")
public class UserDaoImpl extends HibernateDaoSupport implements UserDao {

    
public List<User> listUsers() {
        
return this.getSession().createQuery("from User").list();
    }
    
    bubuko.com,布布扣
}


Spring事务配置的五种方式

标签:style   blog   http   color   os   io   使用   java   ar   

原文地址:http://my.oschina.net/u/1254322/blog/309502

(0)
(0)
   
举报
评论 一句话评论(0
登录后才能评论!
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!