Java事务(八) - 分布式事务 - spring + JTA + atomikos

一. 前言:

上一篇博客中，我们使用jotm实现了分布式事务， 本篇将使用atomikos实现。

基本的代码都是一样的，就是配置略有不同。

二. 代码实现:

1. 代码结构图：

2. 配置文件：ApplicationContext.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: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.xsd 
                     http://www.springframework.org/schema/tx 
                     http://www.springframework.org/schema/tx/spring-tx.xsd 
                     http://www.springframework.org/schema/aop 
                     http://www.springframework.org/schema/aop/spring-aop.xsd">
	
	<!-- 数据库1 -->
	<bean id="db1" class="com.atomikos.jdbc.SimpleDataSourceBean" init-method="init" destroy-method="close">   
        <property name="uniqueResourceName">   
            <value>mysql/main</value>   
        </property>   
        <property name="xaDataSourceClassName">   
            <value>com.mysql.jdbc.jdbc2.optional.MysqlXADataSource</value>   
        </property>   
        <property name="xaDataSourceProperties">   
            <value>URL=jdbc:mysql://localhost:3306/user?useUnicode=true&characterEncoding=utf-8;user=root;password=root</value>   
        </property>   
        <property name="exclusiveConnectionMode">   
            <value>true</value>   
        </property>   
        <property name="connectionPoolSize">   
            <value>3</value>   
        </property>   
        <property name="validatingQuery">   
            <value>SELECT 1</value>   
        </property>   
    </bean>       
    
    <!-- 数据库2 -->
    <bean id="db2" class="com.atomikos.jdbc.SimpleDataSourceBean" init-method="init" destroy-method="close">   
        <property name="uniqueResourceName">   
            <value>mysql/secondary</value>   
        </property>   
        <property name="xaDataSourceClassName">      
            <value>com.mysql.jdbc.jdbc2.optional.MysqlXADataSource</value>   
        </property>
        <property name="xaDataSourceProperties">   
            <value>URL=jdbc:mysql://localhost:3306/log?useUnicode=true&characterEncoding=utf-8;user=root;password=root</value>   
        </property>
        <property name="exclusiveConnectionMode">   
            <value>true</value>   
        </property>
        <property name="connectionPoolSize">   
            <value>3</value>   
        </property>
        <property name="validatingQuery">
            <value>SELECT 1</value>   
        </property>   
    </bean>     
    
    <bean id="userTransactionManager" init-method="init" destroy-method="close"
    	class="com.atomikos.icatch.jta.UserTransactionManager">   
        <property name="forceShutdown" value="true" />   
    </bean>
    
    <bean id="userTransactionImp" class="com.atomikos.icatch.jta.UserTransactionImp">   
        <property name="transactionTimeout" value="300"/>    
    </bean>
    
    <bean id="jtaTransactionManager" class="org.springframework.transaction.jta.JtaTransactionManager">   
        <property name="transactionManager" ref="userTransactionManager" />
        <property name="userTransaction" ref="userTransactionImp" />
        <property name="allowCustomIsolationLevels" value="true"/> 
    </bean>
    
    <!-- 配置事务传播特性 -->
    <tx:advice id="txAdvice" transaction-manager="jtaTransactionManager">
        <tx:attributes>
           <tx:method name="save*" propagation="REQUIRED" rollback-for="Exception"/>
           <tx:method name="add*" propagation="REQUIRED" rollback-for="Exception"/>
           <tx:method name="create*" propagation="REQUIRED" rollback-for="Exception"/>
           <tx:method name="insert*" propagation="REQUIRED" rollback-for="Exception"/>
           <tx:method name="del*" propagation="REQUIRED" rollback-for="Exception"/>
           <tx:method name="update*" propagation="REQUIRED" rollback-for="Exception"/>
           <tx:method name="*" read-only="true"/>
       </tx:attributes>
    </tx:advice>
    
    <!-- 事务管理 -->
    <aop:config proxy-target-class="true">
        <aop:advisor pointcut="execution(* com.zdp.service..*.*(..))" advice-ref="txAdvice"/>
    </aop:config>
    
    <bean id="userDao" class="com.zdp.dao.UserDao">
        <property name="dataSource" ref="db1" />
    </bean>
    
    <bean id="logDao" class="com.zdp.dao.LogDao">
        <property name="dataSource" ref="db2" />
    </bean>
    
    <bean id="userService" class="com.zdp.service.UserService">
        <property name="userDao" ref="userDao" />
        <property name="logDao" ref="logDao" />            
    </bean>
</beans>  

其他的代码请参见上一篇博客。

源码下载： http://download.youkuaiyun.com/detail/zdp072/7950391