Hibernate緩存




OSCache可以支持中央緩存
要想支持緩存hibernate.cfg.xml應該做如下配置:
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD//EN"
";
<hibernate-configuration>
<session-factory>
<property name="hibernate.connection.driver_class">org.gjt.mm.mysql.Driver</property>
<property name="hibernate.connection.url">jdbc:mysql://localhost:3306/LazyOfOne2One</property><!-- ///表示連接本機的數據庫//localhost:3306 -->
<property name="hibernate.connection.username">root</property>
<property name="hibernate.connection.password">1234</property>
<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
<property name="hibernate.hbm2ddl.auto">create</property>
<property name="hibernate.show_sql">true</property>
<property name="hibernate.format_sql">true</property>
<property name="hibernate.cache.use_second_level_cache">true</property>
<!-- 二級緩存默認是打開的,但是默認沒有提供實現類 -->
<property name="hibernate.cache.provider_class">org.hibernate.cache.OSCacheProvider</property>
<property name="hibernate.cache.use_query_cache">true</property>
<!--使Query接口也支持緩存,默認是不支持的-->
<property name="hibernate.generate_statistics">true</property>
<!--生成統計信息-->
<class-cache class="blog.hibernate.domain.IdCard" usage="read-write"/>
<!--對于想要對其進行緩存的類進行配置-->
<mapping resource="blog/hibernate/domain/Person.hbm.xml"/>
<mapping resource="blog/hibernate/domain/IdCard.hbm.xml"/>
</session-factory>
</hibernate-configuration></strong></pre>或者也可以在類的映射文件里進行配置(在id前加入cache即可):
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
";
<hibernate-mapping package="blog.hibernate.domain">
<class name="IdCard" table="IDCARD">
<cache usage="read-write"/>
<id name="id" column="CARD_ID">
<generator class="foreign">
<param name="property">person</param>
</generator>
</id><!-- IdCard使用的主鍵來自主對像Person-->
<property name="name" column="CARD_NAME" type="string"></property>
<one-to-one name="person" constrained="true" ></one-to-one>
<!-- constrained="true" 是為外鍵加約束,這在一對一中只能從對象使用,主對像是不能使用的 -->
<!-- fetch 默認為 "select" -->
</class>
</hibernate-mapping></pre>當然還需要加入OSCache的jar包
轉自:http://blog.csdn.net/xzf19901108/article/details/7926768