SPRING 事务配置

摘要: 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"?>

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


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">

class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">





class="org.springframework.orm.hibernate3.HibernateTransactionManager">








class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">







PROPAGATION_REQUIRED




第二种方式:所有Bean共享一个代理基类


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">

class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">





class="org.springframework.orm.hibernate3.HibernateTransactionManager">



class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean"
lazy-init="true" abstract="true">





PROPAGATION_REQUIRED













第三种方式:使用拦截器


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">

class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">





class="org.springframework.orm.hibernate3.HibernateTransactionManager">



class="org.springframework.transaction.interceptor.TransactionInterceptor">




PROPAGATION_REQUIRED







*Dao




transactionInterceptor









第四种方式:使用tx标签配置的拦截器


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">




class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">





class="org.springframework.orm.hibernate3.HibernateTransactionManager">










expression="execution(* com.bluesky.spring.dao.*.*(..))" />
pointcut-ref="interceptorPointCuts" />


第五种方式:全注解



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">






class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">





class="org.springframework.orm.hibernate3.HibernateTransactionManager">




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 listUsers() {
return this.getSession().createQuery("from User").list();
}


}

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