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(讯飞星火专栏,V3.0版本,2023.10.24)
该回答引用讯飞星火认知大模型,仅提供参考,不保证完全正确
你可以尝试在Spring配置文件中配置Hibernate的SessionFactory,并设置一级缓存。以下是一个示例:
- 在Spring配置文件中配置SessionFactory:
<bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="packagesToScan" value="com.example.model" />
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
<prop key="hibernate.cache.use_second_level_cache">true</prop>
<prop key="hibernate.cache.region.factory_class">org.hibernate.cache.ehcache.EhCacheRegionFactory</prop>
<prop key="hibernate.cache.use_query_cache">true</prop>
<prop key="hibernate.cache.region.name">org.hibernate.cache.spi.UpdateCacheRegion</prop>
<prop key="hibernate.cache.region.evictable">false</prop>
</props>
</property>
</bean>
- 在web.xml中配置OpenSessionInViewFilter和singleSession:
<filter>
<filter-name>openSessionInViewFilter</filter-name>
<filter-class>org.springframework.orm.hibernate5.support.OpenSessionInViewFilter</filter-class>
<init-param>
<param-name>targetBeanNames</param-name>
<param-value>sessionFactory</param-value>
</init-param>
<init-param>
<param-name>sessionFactoryBeanName</param-name>
<param-value>sessionFactory</param-value>
</init-param>
<init-param>
<param-name>singleSession</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>openSessionInViewFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
这样配置后,你的Hibernate会话应该会使用一级缓存,并且每次查询时都会使用相同的会话。