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spring+hibernate+JTA 分布式事务的例子

对于横跨多个Hibernate SessionFacotry的分布式事务,只需简单地将 JtaTransactionManager 同多个 LocalSessionFactoryBean 的定义结合起来作为事务策略。你的每一个DAO通过bean属性得到各自的 SessionFactory 引用。如果所有的底层JDBC数据源都是支持事务的容器,那么只要业务对象使用了 JtaTransactionManager 作为事务策略,它就可以横跨多个DAO和多个session factories来划分事务,而不需要做任何特殊处理。

 1 <beans> 2  3   <bean id="myDataSource1" class="org.springframework.jndi.JndiObjectFactoryBean"> 4     <property name="jndiName" value="java:comp/env/jdbc/myds1"/> 5   </bean> 6  7   <bean id="myDataSource2" class="org.springframework.jndi.JndiObjectFactoryBean"> 8     <property name="jndiName" value="java:comp/env/jdbc/myds2"/> 9   </bean>10 11   <bean id="mySessionFactory1" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">12     <property name="dataSource" ref="myDataSource1"/>13     <property name="mappingResources">14       <list>15         <value>product.hbm.xml</value>16       </list>17     </property>18     <property name="hibernateProperties">19       <value>20         hibernate.dialect=org.hibernate.dialect.MySQLDialect21         hibernate.show_sql=true22       </value>23     </property>24   </bean>25 26   <bean id="mySessionFactory2" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">27     <property name="dataSource" ref="myDataSource2"/>28     <property name="mappingResources">29       <list>30         <value>inventory.hbm.xml</value>31       </list>32     </property>33     <property name="hibernateProperties">34       <value>35         hibernate.dialect=org.hibernate.dialect.OracleDialect36       </value>37     </property>38   </bean>39 40   <bean id="myTxManager" class="org.springframework.transaction.jta.JtaTransactionManager"/>41 42   <bean id="myProductDao" class="product.ProductDaoImpl">43     <property name="sessionFactory" ref="mySessionFactory1"/>44   </bean>45 46   <bean id="myInventoryDao" class="product.InventoryDaoImpl">47     <property name="sessionFactory" ref="mySessionFactory2"/>48   </bean>49 50   <!-- this shows the Spring 1.x style of declarative transaction configuration -->51   <!-- it is totally supported, 100% legal in Spring 2.x, but see also above for the sleeker, Spring 2.0 style -->52   <bean id="myProductService"53       class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">54     <property name="transactionManager" ref="myTxManager"/>55     <property name="target">56       <bean class="product.ProductServiceImpl">57         <property name="productDao" ref="myProductDao"/>58         <property name="inventoryDao" ref="myInventoryDao"/>59       </bean>60     </property>61     <property name="transactionAttributes">62       <props>63         <prop key="increasePrice*">PROPAGATION_REQUIRED</prop>64         <prop key="someOtherBusinessMethod">PROPAGATION_REQUIRES_NEW</prop>65         <prop key="*">PROPAGATION_SUPPORTS,readOnly</prop>66       </props>67     </property>68   </bean>69 70 </beans>

 

spring+hibernate+JTA 分布式事务的例子