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开发学院软件开发Java Spring 事务管理高级应用难点剖析,第 1 部分 阅读

Spring 事务管理高级应用难点剖析,第 1 部分

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核心提示: packageuser.withouttm;importorg.springframework.beans.factory.annotation.Autowired;importorg.springframework.jdbc.core.JdbcTemplate;importorg.spring

package user.withouttm; 
 
import org.springframework.beans.factory.annotation.Autowired; 
import org.springframework.jdbc.core.JdbcTemplate; 
import org.springframework.stereotype.Service; 
import org.springframework.context.ApplicationContext; 
import org.springframework.context.support.ClassPathXmlApplicationContext; 
import org.springframework.orm.hibernate3.HibernateTemplate; 
import org.apache.commons.dbcp.BasicDataSource; 
import user.User; 
 
@Service("service2") 
public class UserHibernateWithoutTransManagerService { 
  @Autowired 
  private HibernateTemplate hibernateTemplate; 
 
  public void addScore(String userName,int toAdd){ 
    User user = (User)hibernateTemplate.get(User.class,userName); 
    user.setScore(user.getScore()+toAdd); 
    hibernateTemplate.update(user); 
  } 
 
  public static void main(String[] args) { 
    //参考UserJdbcWithoutTransManagerService相应代码 
    … 
  } 
} 

此时,采用 hiberWithoutTransManager.xml 的配置文件,其配置内容如下:

清单 4.hiberWithoutTransManager.xml

<?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:p="http://www.springframework.org/schema/p" 
  xsi:schemaLocation="http://www.springframework.org/schema/beans 
   http://www.springframework.org/schema/beans/spring-beans-3.0.xsd 
    http://www.springframework.org/schema/context 
 http://www.springframework.org/schema/context/spring-context-3.0.xsd"> 
  
<!--省略掉包扫描,数据源,JdbcTemplate配置部分,参见jdbcWithoutTransManager.xml --> 
  … 
 
  <bean id="sessionFactory" 
    class= 
      "org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean" 
      p:dataSource-ref="dataSource"> 
    <property name="annotatedClasses"> 
      <list> 
        <value>user.User</value> 
      </list> 
    </property> 
    <property name="hibernateProperties"> 
      <props> 
        <prop key="hibernate.dialect"> 
          org.hibernate.dialect.Oracle10gDialect 
        </prop> 
        <prop key="hibernate.show_sql">true</prop> 
      </props> 
    </property> 
  </bean> 
 
  <bean id="hibernateTemplate" 
     class="org.springframework.orm.hibernate3.HibernateTemplate" 
     p:sessionFactory-ref="sessionFactory"/> 
</beans> 

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Tags:Spring 事务管理 高级

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