spring3.2+hibernate4.1采用声明式的事务处理
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2022-04-16 15:15:17
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部分重要代码:
<?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" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-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/context http://www.springframework.org/schema/context/spring-context-2.5.xsd "> <!-- 采用的annotation的方式进行AOP和 IOC --> <!-- 配置了component-scan可以移除 --> <context:annotation-config /> <!-- 启动对@AspectJ注解的支持 --> <aop:aspectj-autoproxy /> <!-- 自动扫描包(自动注入) --> <context:component-scan base-package="yingjun" /> <!-- 配置数据源 --> <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="locations" value="classpath:jdbc.properties"/> </bean> <bean id="DataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="${jdbc.driverClassName}"/> <property name="url" value="${jdbc.url}"/> <property name="username" value="${jdbc.username}"/> <property name="password" value="${jdbc.password}"/> </bean> <!-- Hibernate配置 --> <bean id="SessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean" > <property name="dataSource" ref="DataSource"/> <property name="packagesToScan"> <list> <value>yingjun.model</value> </list> </property> <property name="hibernateProperties"> <value> hibernate.dialect=org.hibernate.dialect.MySQLDialect hibernate.show_sql=true </value> </property> </bean> <bean id="txManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager"> <property name="sessionFactory" ref="SessionFactory"/> </bean> <!-- 声明试事务管理 -采用annotation方式--> <tx:annotation-driven transaction-manager="txManager"/> <!-- 声明式事务管理 -采用XML方式--> <!--常见几张几种事务传播行为类型 PROPAGATION_REQUIRED 如果当前没有事务,就新建一个事务,如果已经存在一个事务中,加入到这个事务中。这是最常见的选择。 PROPAGATION_SUPPORTS 支持当前事务,如果当前没有事务,就以非事务方式执行。 PROPAGATION_MANDATORY 使用当前的事务,如果当前没有事务,就抛出异常。 PROPAGATION_REQUIRES_NEW 新建事务,如果当前存在事务,把当前事务挂起。 --> <tx:advice id="txAdvice" transaction-manager="txManager"> <tx:attributes> <tx:method name="DoAdd*" propagation="REQUIRED"/> <tx:method name="someOtherBusinessMethod" propagation="REQUIRES_NEW"/> <tx:method name="get*" propagation="SUPPORTS" read-only="true"/> </tx:attributes> </tx:advice> <aop:config> <aop:pointcut id="productServiceMethods" expression="execution(* yingjun.service.*.*(..))"/> <aop:advisor advice-ref="txAdvice" pointcut-ref="productServiceMethods"/> </aop:config> </beans>
package yingjun.service; import javax.annotation.Resource; import org.springframework.stereotype.Component; import org.springframework.transaction.annotation.Transactional; import yingjun.dao.LogDaoI; import yingjun.dao.UserDaoI; import yingjun.model.Log; import yingjun.model.User; @Component("userService") public class UserService { private UserDaoI userdao; private LogDaoI logdao; //@Transactional() public void DoAddUser(User user,Log log){ userdao.AddUser(user); logdao.addLog(log); } public UserDaoI getUserdao() { return userdao; } @Resource(name="userDao") public void setUserdao(UserDaoI userdao) { this.userdao = userdao; } public LogDaoI getLogdao() { return logdao; } @Resource(name="logDao") public void setLogdao(LogDaoI logdao) { this.logdao = logdao; } }
package yingjun.test; import org.junit.Test; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import yingjun.model.Log; import yingjun.model.User; import yingjun.service.UserService; public class SpringHibernateTest { @Test public void test(){ ApplicationContext ac=new ClassPathXmlApplicationContext("spring.xml"); UserService us=(UserService)ac.getBean("userService"); User user=new User(); Log log=new Log(); us.DoAddUser(user,log); } }
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