Hibernate诠注和事务管理

<tx:advice id="txAdvice" transaction-manager="txManager">         <tx:attributes>            <tx:method name="save*" propagation="REQUIRED"/>            <tx:method name="del*" propagation="REQUIRED"/>            <tx:method name="update*" propagation="REQUIRED"/>            <tx:method name="*" read-only="true"/>  这里有read-only        </tx:attributes></tx:advice>

@Transactional(readOnly=true)   hibernate注解的read-onlypublic class QuestionOptionService {}