Transactions with Spring and Hibernate

[Jim Baker]

I'm using Hibernate3 with Spring2. Both Hibernate and Spring handles the
transaction, which should be used? Or both?

I'm currently using Hibernate transaction through a datasource. The Hibernate
DAO is injected in the service class through Spring.

[Nick Williamson]

This is how I would do it: have a base bean that all your services can extend your transaction service so your transactions are at the service level. I'd be interested to see another way of doing this.

   

<bean id="hibernateTransactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
<property name="dataSource" ref="dataSource"/>
</bean>
<!-- transaction manager service used for base -->
<bean id="txService" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean" abstract="true">
<property name="transactionManager" ref="hibernateTransactionManager"/>
<property name="transactionAttributes">
<props>
<prop key="*">PROPAGATION_REQUIRED</prop>
</props>
</property>
</bean>
 

<!-- DAO/SERVICE DEF -->
<bean id="TestDao" class="com.site.dao.impl.TestDaoImpl">
  <property name="sessionFactory" ref="sessionFactory"/>
</bean>

<bean id="TestService" parent="txService">
<property name="target" ref="TestServiceTarget"/>
    </bean>

<bean id="TestServiceTarget" class="com.site.service.impl.TestServiceImpl">
  <property name="testDao" ref="TestDao"/>
</bean>