Spring的事务配置的方式
2012-08-09 15:15
441 查看
最近在学习SSH,里面牵涉到Spring的配置问题。现在总结如下:
先看代码:
public interface IUserDao {
public void insertUser(UserTable user);
}
public class UserDaoImpl extends HibernateDaoSupport implements IUserDao{
public void insertUser(UserTable user) {
getHibernateTemplate().saveOrUpdate(user);
}
}
根据代理机制的不同,可以分为如下几种:
第一种:为每个bean设置一个代理,这种是根据具体需求来定,如要对具体到每个交易进行事务操作的话,这个方式是最合适的。
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<!-- 每个bean都有一个代理 -->
<beans>
<!-- sessionFactory相当于spring datasource -->
<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="userDao" class="org.lgh.spring.transaction2.UserDaoImpl">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!-- 每个bean都有一个代理 <property name="target" ref="userDaoTarget" /> -->
<bean id="userDaoProxy"
class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
<!-- 配置事务管理器 -->
<property name="transactionManager" ref="transactionManager" />
<property name="target" ref="userDao" />
<property name="proxyInterfaces" value="org.lgh.spring.transaction2.IUserDao" />
<!-- 配置事务属性 -->
<property name="transactionAttributes">
<props>
<prop key="*">PROPAGATION_REQUIRED</prop>
</props>
</property>
</bean>
</beans>
第二种:所有的bean共享一个代理
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<!-- 所有的bean共享一个代理-->
<beans>
<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>
<!-- 所有的bean共享一个代理/> -->
<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="userDao" class="org.lgh.spring.transaction3.UserDaoImpl">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!-- 所有的bean共享一个代理/> -->
<bean id="userDaoProxy" parent="transactionBase" >
<property name="target" ref="userDao" />
</bean>
</beans>
第三种:使用拦截器 来配置你的事务,这个主要是进行一些方法调用前后进行一些其他事件的处理,如进行权限检查等...
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<!-- 使用拦截器 -->
<beans>
<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 name="logger" class="org.lgh.spring.transaction4.SpringAOPInterceptor">
</bean>
<bean id="logBeforeAdvice" class="com.spring.advices.LogBeforeAdvice">
</bean>
<!-- 定义BeanNameAutoProxyCreator,该bean是个bean后处理器,无需被引用,因此没有id属性
这个bean后处理器,根据事务拦截器为目标bean自动创建事务代理 -->
<bean class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">
<!-- 加上此句就不会抛出 $Proxy cannot be cast的异常啦-->
<property name="proxyTargetClass">
<value>true</value>
</property>
<property name="beanNames">
<list>
<!-- *Dao对应下面的userDao要对它进行拦截-->
<value>userDao</value>
</list>
</property>
<property name="interceptorNames">
<list>
<value>transactionInterceptor</value>
<value>logBeforeAdvice</value>
</list>
</property>
</bean>
<!-- 配置DAO -->
<bean id="userDao" class="org.lgh.spring.transaction4.UserDaoImpl">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!-- 服务层 service-->
<bean id="userService" class="org.lgh.spring.transaction4.UserServiceImpl">
<property name="userDao" ref="userDao" />
</bean>
</beans>
第四种: 使用aop:config配置方式
<?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="org.lgh.spring.transaction5" />
<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 proxy-target-class="true" >
<aop:pointcut id="interceptorPointCuts"
expression="execution(* org.lgh.spring.transaction5.*.*(..))" />
<aop:advisor advice-ref="txAdvice"
pointcut-ref="interceptorPointCuts" />
</aop:config>
<!-- 配置DAO -->
<bean id="userDao" class="org.lgh.spring.transaction5.UserDaoImpl">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
</beans>
还有一种就是采用全注解方式:
<?xml version="1.0" encoding="UTF-8"?>
<!--全注解 -->
<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="org.lgh.spring.transaction6" />
<tx:annotation-driven proxy-target-class ="true" 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>
<!-- 配置DAO -->
<bean id="userDao" class="org.lgh.spring.transaction6.UserDaoImpl">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
</beans>
jar包如下:
参考文献:http://www.iteye.com/topic/615413
特记于此!以备勿忘!
先看代码:
public interface IUserDao {
public void insertUser(UserTable user);
}
public class UserDaoImpl extends HibernateDaoSupport implements IUserDao{
public void insertUser(UserTable user) {
getHibernateTemplate().saveOrUpdate(user);
}
}
根据代理机制的不同,可以分为如下几种:
第一种:为每个bean设置一个代理,这种是根据具体需求来定,如要对具体到每个交易进行事务操作的话,这个方式是最合适的。
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<!-- 每个bean都有一个代理 -->
<beans>
<!-- sessionFactory相当于spring datasource -->
<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="userDao" class="org.lgh.spring.transaction2.UserDaoImpl">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!-- 每个bean都有一个代理 <property name="target" ref="userDaoTarget" /> -->
<bean id="userDaoProxy"
class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
<!-- 配置事务管理器 -->
<property name="transactionManager" ref="transactionManager" />
<property name="target" ref="userDao" />
<property name="proxyInterfaces" value="org.lgh.spring.transaction2.IUserDao" />
<!-- 配置事务属性 -->
<property name="transactionAttributes">
<props>
<prop key="*">PROPAGATION_REQUIRED</prop>
</props>
</property>
</bean>
</beans>
第二种:所有的bean共享一个代理
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<!-- 所有的bean共享一个代理-->
<beans>
<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>
<!-- 所有的bean共享一个代理/> -->
<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="userDao" class="org.lgh.spring.transaction3.UserDaoImpl">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!-- 所有的bean共享一个代理/> -->
<bean id="userDaoProxy" parent="transactionBase" >
<property name="target" ref="userDao" />
</bean>
</beans>
第三种:使用拦截器 来配置你的事务,这个主要是进行一些方法调用前后进行一些其他事件的处理,如进行权限检查等...
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<!-- 使用拦截器 -->
<beans>
<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 name="logger" class="org.lgh.spring.transaction4.SpringAOPInterceptor">
</bean>
<bean id="logBeforeAdvice" class="com.spring.advices.LogBeforeAdvice">
</bean>
<!-- 定义BeanNameAutoProxyCreator,该bean是个bean后处理器,无需被引用,因此没有id属性
这个bean后处理器,根据事务拦截器为目标bean自动创建事务代理 -->
<bean class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">
<!-- 加上此句就不会抛出 $Proxy cannot be cast的异常啦-->
<property name="proxyTargetClass">
<value>true</value>
</property>
<property name="beanNames">
<list>
<!-- *Dao对应下面的userDao要对它进行拦截-->
<value>userDao</value>
</list>
</property>
<property name="interceptorNames">
<list>
<value>transactionInterceptor</value>
<value>logBeforeAdvice</value>
</list>
</property>
</bean>
<!-- 配置DAO -->
<bean id="userDao" class="org.lgh.spring.transaction4.UserDaoImpl">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!-- 服务层 service-->
<bean id="userService" class="org.lgh.spring.transaction4.UserServiceImpl">
<property name="userDao" ref="userDao" />
</bean>
</beans>
第四种: 使用aop:config配置方式
<?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="org.lgh.spring.transaction5" />
<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 proxy-target-class="true" >
<aop:pointcut id="interceptorPointCuts"
expression="execution(* org.lgh.spring.transaction5.*.*(..))" />
<aop:advisor advice-ref="txAdvice"
pointcut-ref="interceptorPointCuts" />
</aop:config>
<!-- 配置DAO -->
<bean id="userDao" class="org.lgh.spring.transaction5.UserDaoImpl">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
</beans>
还有一种就是采用全注解方式:
<?xml version="1.0" encoding="UTF-8"?>
<!--全注解 -->
<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="org.lgh.spring.transaction6" />
<tx:annotation-driven proxy-target-class ="true" 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>
<!-- 配置DAO -->
<bean id="userDao" class="org.lgh.spring.transaction6.UserDaoImpl">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
</beans>
jar包如下:
参考文献:http://www.iteye.com/topic/615413
特记于此!以备勿忘!
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