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

<bean id="ClerkDAO" class="com.auth.dao.ClerkDAO">
        <property name="sessionFactory">
            <ref bean="sessionFactory" />
        </property>
    </bean>
 <bean id="transactionInterceptor"
         class="org.springframework.transaction.interceptor.TransactionInterceptor">
         <property name="transactionManager">
             <ref local="transactionManager" />
         </property>
         <property name="transactionAttributes">
             <props>
                 <prop key="save*">PROPAGATION_REQUIRED</prop>
                 <prop key="find*">PROPAGATION_REQUIRED,readOnly</prop>
                 <prop key="*">PROPAGATION_REQUIRED</prop>
             </props>
         </property>
     </bean>
    
     <bean id="autoProxy"
         class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">
         <property name="beanNames">
             <ref local="ClerkDAO" />
         </property>
         <property name="interceptorNames">
             <list>
                 <value>transactionInterceptor</value>
             </list>
         </property>
     </bean>