spring与hibernate整合配置多个数据库连接

<beans>

<bean   id="myDataSource1"   class="org.springframework.jndi.JndiObjectFactoryBean">
<property   name="jndiName   value="java:comp/env/jdbc/myds1"/>
</bean>

<bean   id="myDataSource2"   class="org.springframework.jndi.JndiObjectFactoryBean">
<property   name="jndiName"   value="java:comp/env/jdbc/myds2"/>
</bean>

<bean   id="mySessionFactory1"   class="org.springframework.orm.hibernate.LocalSessionFactoryBean">
<property   name="dataSource"   ref="myDataSource1"/>
<property   name="mappingResources">
<list>
<value>product.hbm.xml</value>
</list>
</property>
<property   name="hibernateProperties">
<props>
<prop   key="hibernate.dialect">net.sf.hibernate.dialect.MySQLDialect</prop>
</props>
</property>
</bean>

<bean   id="mySessionFactory2"   class="org.springframework.orm.hibernate.LocalSessionFactoryBean">
<property   name="dataSource"   ref="myDataSource2"/>
<property   name="mappingResources">
<list>
<value>inventory.hbm.xml</value>
</list>
</property>
<property   name="hibernateProperties">
<props>
<prop   key="hibernate.dialect">net.sf.hibernate.dialect.OracleDialect</prop>
</props>
</property>
</bean>

<bean   id="myTxManager"   class="org.springframework.transaction.jta.JtaTransactionManager"/>

<bean   id="myProductDao"   class="product.ProductDaoImpl">
<property   name="sessionFactory"   ref="mySessionFactory1"/>
</bean>

<bean   id="myInventoryDao"   class="product.InventoryDaoImpl">
<property   name="sessionFactory"   ref="mySessionFactory2"/>
</bean>

<bean   id="myProductServiceTarget"   class="product.ProductServiceImpl">
<property   name="productDao"   ref="myProductDao"/>
<property   name="inventoryDao"   ref="myInventoryDao"/>
</bean>

<bean   id="myProductService"
class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
<property   name="transactionManager"   ref="myTxManager"/>
<property   name="target"   ref="myProductServiceTarget"/>
<property   name="transactionAttributes">
<props>
<prop   key="increasePrice*">PROPAGATION_REQUIRED</prop>
<prop   key="someOtherBusinessMethod">PROPAGATION_REQUIRES_NEW</prop>
<prop   key="*">PROPAGATION_SUPPORTS,readOnly</prop>
</props>
</property>
</bean>

</beans>