spring

<?xml version="1.0"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"
"http://wwww.springframework.org/dtd/spring-beans.dtd">
<beans>
<bean id="placeholderConfig"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="location">
<value>springwork/core/aop/targetsource/init.properties</value>
</property>
</bean>

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName">
<value>${datasource.driverClassName}</value>
</property>
<property name="url">
<value>${datasource.url}</value>
</property>
<property name="username">
<value>${datasource.username}</value>
</property>
<property name="password">
<value>${datasource.password}</value>
</property>
</bean>

<bean id="dataSource1" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName">
<value>${datasource.driverClassName}</value>
</property>
<property name="url">
<value>${datasource.url1}</value>
</property>
<property name="username">
<value>${datasource.username}</value>
</property>
<property name="password">
<value>${datasource.password}</value>
</property>
</bean>

<bean id="swappableDataSource"
class="org.springframework.aop.target.HotSwappableTargetSource">
<constructor-arg>
<ref local="dataSource"/>
</constructor-arg>
</bean>
<bean id="swappable"
class="org.springframework.aop.framework.ProxyFactoryBean">
<property name="targetSource">
<ref local="swappableDataSource"/>
</property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref local="swappable"/>
</property>
<property name="mappingResources">
<list>
<value>springwork/core/aop/targetsource/Cat.hbm.xml</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect"> ${hibernate.dialect} </prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.generate_statistics">true</prop>
<prop key="hibernate.cache.provider_class">
net.sf.ehcache.hibernate.SingletonEhCacheProvider</prop>
</props>
</property>
</bean>

<bean id="catDAO" class="springwork.core.aop.targetsource.CatDAO">
<property name="sessionFactory">
<ref local="sessionFactory"/>
</property>
</bean>


<bean id="transactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory">
<ref local="sessionFactory"/>
</property>
</bean>

<!--
<bean id="transactionManager"
class="org.springframework.transaction.jta.JtaTransactionManager">
</bean>
-->

<!-- Transaction Interceptor -->
<bean id="transactionInterceptor"
class="org.springframework.transaction.interceptor.TransactionInterceptor"
dependency-check="none">
<property name="transactionManager">
<ref bean="transactionManager"/>
</property>
<property name="transactionAttributes">
<props>
<prop key="*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="save*">PROPAGATION_REQUIRED</prop>
<prop key="get*">PROPAGATION_REQUIRED</prop>
</props>
</property>
</bean>
<bean id="autoProxyCreator"
class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator"
dependency-check="none">
<property name="proxyTargetClass">
<value>true</value>
</property>
<property name="interceptorNames">
<list>
<value>transactionInterceptor</value>
</list>
</property>
<property name="beanNames">
<list>
<value>catDAO</value>
</list>
</property>
</bean>
</beans>




代码


代码

public void testWithTwoDataSource()
{
Cat cat=new Cat("mimi");
catDAO.save(cat);
Assert.assertNotNull(cat.getId());
Cat cat2=new Cat("xixi");
HotSwappableTargetSource swapper=(HotSwappableTargetSource) application.getBean("swappableDataSource");
DataSource newDataSource=(DataSource)application.getBean("dataSource1");
swapper.swap(newDataSource);
catDAO.save(cat2);
Assert.assertNotNull(cat2.getId());
}