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我试图用hibernate.I建立一个项目有两个表:用户和通过以下映射地址:休眠懒惰=假影响删除
<?xml version="1.0"?>
<!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="Address" table="ADDRESS" >
<cache usage="read-write"/>
<id name="addressId" type="long">
<column name="ADDRESS_ID" precision="22" scale="0" />
<generator class="increment" />
</id>
<property name="street" type="string">
<column name="STREET" length="50" />
</property>
<property name="city" type="string">
<column name="CITY" length="20" />
</property>
<set name="usrs" inverse="true" cascade="all-delete-orphan">
<key>
<column name="ADDRESS_ID" precision="22" scale="0" not-null="true"/>
</key>
<one-to-many class="Usr" />
</set>
</class>
</hibernate-mapping>
<?xml version="1.0"?>
<!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="Usr" table="USR" >
<cache usage="read-write"/>
<id name="usrId" type="long">
<column name="USR_ID" precision="22" scale="0" />
<generator class="increment" />
</id>
<many-to-one name="address" class="Address" >
<column name="ADDRESS_ID" precision="22" scale="0" />
</many-to-one>
<property name="logname" type="string">
<column name="LOGNAME" length="20" not-null="true" />
</property>
<property name="password" type="string">
<column name="PASSWORD" length="20" not-null="true" />
</property>
</class>
<query name="Usr.by.city">
<![CDATA[
FROM rUsr as u
WHERE u.address.city = :city
]]>
</query>
</hibernate-mapping>
如果我设置为lazy =假,我得到一个删除时出错: 删除的对象将被级联重新保存
我设置了lazy = true,那么由于延迟初始化错误,我将无法访问我的对象。
任何帮助表示赞赏。
Thx。
非常感谢axtavt。 – Sergiu 2011-04-13 14:16:50