问Hibernate集合处理基础

EN

<hibernate-mapping>

<class name="com.bla.dataobject.CompanyData" table="companies">
 <id name="companyId" column="company_id">
  <generator class="increment"/>
 </id>
 <property name="name" column="company_name" type="java.lang.String"/>
 <property name="description" column="company_information" type="java.lang.String"/>

 <set name="sites" table="company_sites" inverse="true" cascade="all-delete-orphan" lazy="false">
    <key column="company_id" />
    <one-to-many class="com.bla.dataobject.CompanySiteData"/>
 </set>

 <set name="profiles" table="company_profiles" inverse="true" cascade="all-delete-orphan" lazy="false">
    <key column="company_id" />
    <one-to-many class="com.bla.dataobject.CompanyProfile"/>
 </set>
</class>

<class name="com.bla.dataobject.CompanySiteData" table="company_sites">
    <id name="siteId" column="site_id">
        <generator class="increment"/>
    </id>

   <property name="siteProxySettings" column="PROXY_SETTINGS" type="java.lang.String"/>
   .................
   <property name="siteName" column="SITE_NAME" type="java.lang.String"/>


   <many-to-one name="companyData" class="com.bla.dataobject.CompanyData" column="company_id" not-null="true"/>

</class>

<class name="com.bla.dataobject.CompanyProfile" table="company_profiles">
 <id name="profileId" column="profile_id">
  <generator class="increment"/>
 </id>

 <property ............./>

 <many-to-one name="companyData" class="com.bla.dataobject.CompanyData" column="company_id" not-null="true"/>

</class>