dao.java

来自「Hibernate开发及整合应用大全 蔡雪焘编著 本书用典型的示例剖析Hiber」· Java 代码 · 共 62 行

/*
 * 创建日期 2005-10-2
 *
 * TODO 要更改此生成的文件的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
package dao;





import model.Student;

import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.TransactionCallbackWithoutResult;
import org.springframework.transaction.support.TransactionTemplate;


public class DAO extends HibernateDaoSupport {
private TransactionTemplate transactionTemplate; 
    
    public void setTransactionManager(PlatformTransactionManager transactionManager) { 
        this.transactionTemplate = new TransactionTemplate(transactionManager); 
    } 
    
    public void insert() { 
        transactionTemplate.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED); 
        transactionTemplate.execute(new TransactionCallbackWithoutResult() { 
                public void doInTransactionWithoutResult(TransactionStatus status) {
                    Student stu1=new Student();
                    Student stu2=new Student();
                    Student stu3=new Student();
                    stu1.setCardId("111");
                    stu2.setCardId("222");
                    stu3.setName("tomclus");
                    getHibernateTemplate().saveOrUpdate(stu1); 
                    getHibernateTemplate().saveOrUpdate(stu2); 
                    getHibernateTemplate().saveOrUpdate(stu3); 

                } 
            }); 
    } 

    public static void main(String s[])
    {
        Resource resource = new ClassPathResource("bean.xml");
        //根据bean.xml构造一个XmlBeanFactory
        XmlBeanFactory factory = new XmlBeanFactory(resource);
        //根据bean的id从factory中取得DAO的实例
        DAO dao = (DAO)factory.getBean("DAO");
        dao.insert();
        
    }

}