spring 事务管理配置
来源:互联网 发布:贝克休斯钻井数据 编辑:程序博客网 时间:2024/04/30 12:30
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:
事务在系统服务启动的时候就加载了,一般的,我们把事务配在service层,利用service的业务逻辑借口统一的管理。为什么不用在dao层呢?因 为一个service有可能调用多个dao,而这多个dao有可能相互联系,有时候一个操作需要调用多次数据库,但是这多次调用要么全提交,要么全回滚。 因此,在dao层调用事务理论上说不是一个很明智的选择。应该有业务逻辑层service层负责事务,统一处理。
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();
}
}
总结如下:
事务在系统服务启动的时候就加载了,一般的,我们把事务配在service层,利用service的业务逻辑借口统一的管理。为什么不用在dao层呢?因 为一个service有可能调用多个dao,而这多个dao有可能相互联系,有时候一个操作需要调用多次数据库,但是这多次调用要么全提交,要么全回滚。 因此,在dao层调用事务理论上说不是一个很明智的选择。应该有业务逻辑层service层负责事务,统一处理。
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();
}
}
0 0
- Spring 事务管理的配置
- spring事务管理配置总结
- 配置spring的事务管理
- Spring 事务管理配置
- spring配置事务管理
- spring 事务管理的配置
- Spring 事务管理配置
- spring 事务管理配置
- spring事务管理配置
- spring 事务管理配置
- spring事务管理的配置
- Spring 事务管理及配置
- spring 事务管理配置总结
- spring的事务管理配置
- Spring事务管理配置
- spring aop事务管理配置
- spring配置事务管理
- spring 事务管理配置
- hd 2050 折线分割平面
- 2014年第三次多校总结
- 《学习bash》笔记--命令行选项和有类型变量
- mysqldump导出某个表的部分数据
- unity3d 滚动字幕
- spring 事务管理配置
- Windows下也可以使用osw追朔系统历史性能
- Rackspace 将支持更多的开源数据库
- 工厂模式的Assembly.Load(path).CreateInstance(className)出错解决方法
- 设计模式之 ----------- 迭代器模式
- 破茧成蝶1:设计流程——设计师具体做什么?
- 昂贵的聘礼(最短路)
- BZOJ 1934 善意的投票(最小割)
- POJ 2299 Ultra-QuickSort(归并排序求逆序对数)