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CSDN(高手)关于Hibernate3.0一对一主键映射有关问题?

热度:758   发布时间:2016-04-17 12:49:47.0
CSDN(高手)关于Hibernate3.0一对一主键映射问题??
我的开发环境是   myeclipse+oracle9i
我做一对一主键映射,不知道   <generator   class= "   "   />   id   应该是什么???
我有两个表
CREATE   TABLE   TUSER   (
USER_ID   varchar(10)   NOT   NULL   default   ′′,
NAME   varchar(16)   NOT   NULL   default   ′′,
PRIMARY   KEY   (USER_ID)
);
CREATE   TABLE   TROOM   (
ROOM_ID   varchar(10)   NOT   NULL   default   ′′,
ADDRESS   varchar(32)   NOT   NULL   default   ′′,
PRIMARY   KEY   (ROOM_ID)
);

Tuser.hbm.xml
<?xml   version= "1.0 "   encoding= "utf-8 "?>
<!DOCTYPE   hibernate-mapping   PUBLIC   "-//Hibernate/Hibernate   Mapping   DTD   3.0//EN "
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd ">
<!--  
        Mapping   file   autogenerated   by   MyEclipse   -   Hibernate   Tools
-->
<hibernate-mapping>
        <class   name= "org.myhibernate.Tuser "   table= "TUSER "   schema= "SCOTT ">
                <id   name= "userId "   type= "java.lang.String ">
                        <column   name= "USER_ID "   length= "10 "   />
                        <generator   class= "native "   />
                </id>
                <property   name= "name "   type= "java.lang.String ">
                        <column   name= "NAME "   length= "50 "   not-null= "true "   />
                </property>
                <one-to-one   name= "room "   class= "org.myhibernate.Troom "   cascade= "all "/>
        </class>
</hibernate-mapping>
TRoom.hbm.xml

<?xml   version= "1.0 "   encoding= "utf-8 "?>
<!DOCTYPE   hibernate-mapping   PUBLIC   "-//Hibernate/Hibernate   Mapping   DTD   3.0//EN "
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd ">
<!--  
        Mapping   file   autogenerated   by   MyEclipse   -   Hibernate   Tools
-->
<hibernate-mapping>
        <class   name= "org.myhibernate.Troom "   table= "TROOM "   schema= "SCOTT ">
                <id   name= "roomId "   type= "java.lang.String ">
                        <column   name= "ROOM_ID "   length= "10 "   />
                        <generator   class= "sequence "   >
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