spring_150807_hibernate_transaction_annotation

实体类：

package com.spring.model;

import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;

@Entity
@Table(name="t_dog")
public class DogPet {
    
    private int id;
    private String name;
    private int age;
    private String kind;
    private String sex;
    private String health;
    
    @Id
    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public int getAge() {
        return age;
    }
    public void setAge(int age) {
        this.age = age;
    }
    public String getKind() {
        return kind;
    }
    public void setKind(String kind) {
        this.kind = kind;
    }
    public String getSex() {
        return sex;
    }
    public void setSex(String sex) {
        this.sex = sex;
    }
    public String getHealth() {
        return health;
    }
    public void setHealth(String health) {
        this.health = health;
    }
    
    public String toString()
    {
        return id+"--"+name+"--"+kind+"--"+age+"--"+health;
    }
}

接口Service：

package com.spring.service;

public interface DogPetService {
    public void queryAllDogPets();
    public void saveDogPetByDataSource();
    public void saveDogPetByHibernate();
}

实现类ServiceImpl：

package com.spring.service.impl;

import java.util.List;
import java.util.Random;

import javax.annotation.Resource;

import org.springframework.stereotype.Controller;
import org.springframework.transaction.annotation.Transactional;

import com.spring.service.DogPetService;
import com.spring.dao.DogPetDAO;
import com.spring.model.DogPet;

@Controller(value="DogPetService")
public class DogPetServiceImpl implements DogPetService{
    private DogPetDAO dogPetDAO;

    public DogPetDAO getDogPetDAO() {
        return dogPetDAO;
    }
    
    @Resource(name="dogPetDAO")
    public void setDogPetDAO(DogPetDAO dogPetDAO) {
        this.dogPetDAO = dogPetDAO;
    }

    @Override
    public void queryAllDogPets() {
        List<DogPet> list = dogPetDAO.queryAllDogPets();
        if(list != null)
        {
            for(DogPet d:list)
            {
                System.out.println(d.toString());
            }
        }
    }
    
    public void saveDogPetByDataSource()
    {
        DogPet d1 = new DogPet();
        d1.setId(new Random().nextInt(1000));
        d1.setName("dog1");
        d1.setAge(4);
        d1.setKind("buladuo");
        d1.setSex("B");
        d1.setHealth("good");
        dogPetDAO.saveDogPetByDataSource(d1);
    }
    
    @Transactional
    public void saveDogPetByHibernate()
    {
        DogPet d1 = new DogPet();
        d1.setId(new Random().nextInt(1000));
        d1.setName("dog1");
        d1.setAge(4);
        d1.setKind("buladuo");
        d1.setSex("B");
        d1.setHealth("good");
        dogPetDAO.saveDogPetByHibernate(d1);
    }
}

Service调用的DAO：

package com.spring.dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import javax.annotation.Resource;
import javax.sql.DataSource;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.stereotype.Service;

import com.spring.model.DogPet;

@Service(value="dogPetDAO")
public class DogPetDAO {
    
    private DataSource dataSource;
    private SessionFactory sessionFactory;
    
    public List<DogPet> queryAllDogPets()
    {
        List<DogPet> list = new ArrayList<DogPet>();
        
        DogPet d1 = new DogPet();
        d1.setId(1111);
        d1.setName("dog1");
        d1.setAge(4);
        d1.setKind("buladuo");
        d1.setSex("B");
        d1.setHealth("good");
        DogPet d2 = new DogPet();
        d2.setId(2222);
        d2.setName("dog2");
        d2.setAge(3);
        d2.setKind("buladuo");
        d2.setSex("G");
        d2.setHealth("good");
        
        list.add(d1);
        list.add(d2);
        
        return list;
    }
    
    public void saveDogPetByDataSource(DogPet dog)
    {
        Connection connection = null;
        try 
        {
            connection = dataSource.getConnection() ;
            PreparedStatement pstmt = connection.prepareStatement("insert into t_dog values(?,?,?,?,?,?)");
            pstmt.setInt(1, dog.getId());
            pstmt.setString(2, dog.getName());
            pstmt.setInt(3, dog.getAge());
            pstmt.setString(4, dog.getKind());
            pstmt.setString(5, dog.getSex());
            pstmt.setString(6, dog.getHealth());
            pstmt.execute();
        } 
        catch (SQLException e)
        {
            e.printStackTrace();
        }
        finally
        {
            try 
            {
                connection.close();
            } 
            catch (SQLException e) 
            {
                e.printStackTrace();
            }
        }
    }
    
    /*public void saveDogPetByHibernate(DogPet dog)
    {
        Session session = null;
        try 
        {
            session = sessionFactory.openSession();
            session.beginTransaction();
            session.save(dog);
            session.getTransaction().commit();
        } 
        catch (Exception e)
        {
            e.printStackTrace();
        }
        finally
        {
            session.close();
        }
    }*/
    
    public void saveDogPetByHibernate(DogPet dog)
    {
        Session session = sessionFactory.getCurrentSession();
        session.save(dog);
    }

    public DataSource getDataSource() {
        return dataSource;
    }

    @Resource
    public void setDataSource(DataSource dataSource) {
        this.dataSource = dataSource;
    }

    public SessionFactory getSessionFactory() {
        return sessionFactory;
    }

    @Resource
    public void setSessionFactory(SessionFactory sessionFactory) {
        this.sessionFactory = sessionFactory;
    }
 
}

配置文件beans.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:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context"
        xmlns:jee="http://www.springframework.org/schema/jee" 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/jee http://www.springframework.org/schema/jee/spring-jee-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.spring"></context:component-scan>
    
</beans>            

配置文件dao.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:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx"
    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/jee http://www.springframework.org/schema/jee/spring-jee-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">

    <!-- 利用annotation配置声明式事物管理  begin-->
    <bean
        class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <value>classpath:jdbc.properties</value>
        </property>
    </bean>

    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
        destroy-method="close">
        <property name="driverClassName" value="${driver}" />
        <property name="url" value="${url}" />
        <property name="username" value="${user}" />
        <property name="password" value="${password}" />
    </bean>
    
    <bean id="sessionFactory"
        class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="annotatedClasses">
            <list>
                <value>com.spring.model.DogPet</value>
            </list>
        </property>
        <property name="hibernateProperties">
            <value>
                hibernate.dialect=org.hibernate.dialect.MySQLDialect
          </value>
        </property>
    </bean>

    <bean id="txManager"
        class="org.springframework.orm.hibernate3.HibernateTransactionManager">
        <property name="sessionFactory" ref="sessionFactory" />
    </bean>
    
    <!--<tx:advice id="txAdvice" transaction-manager="txManager">
        <tx:attributes>
            <tx:method name="query*" read-only="true" />
            <tx:method name="*" />
        </tx:attributes>
    </tx:advice>

    <aop:config>
        <aop:pointcut id="dogPetServiceOperation"
            expression="execution(* com.spring..*(..))" />
        <aop:advisor advice-ref="txAdvice" pointcut-ref="dogPetServiceOperation" />
    </aop:config>

    -->
    
    <tx:annotation-driven transaction-manager="txManager"/>
    
    <!-- 利用annotation配置声明式事物管理  end-->
</beans>            

test类：

package com.spring.test;

import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.spring.service.DogPetService;

public class ServiceTest {
    
    @Test
    public void saveDogPetByHibernate()
    {
        ApplicationContext ctx = new ClassPathXmlApplicationContext(new String[]{"beans.xml","dao.xml"});
        DogPetService dogPetService = (DogPetService)ctx.getBean("DogPetService");
        dogPetService.saveDogPetByHibernate();
    }

}