求一张表的hibernate的映射文件的写法

<?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="com.mywork.packverify.businessobjects.User" table="user" >
        <id name="id" type="java.lang.Short">
            <column name="user_id" />
            <generator class="increment"></generator>
        </id>
        <property name="user_name" type="java.lang.String">
            <column name="user_name" length="20" not-null="true" />
        </property>
        <property name="user_pass" type="java.lang.String">
            <column name="user_pass" length="20" not-null="true" />
        </property>
        <many-to-one 
          name="create_user" 
          class="com.mywork.packverify.businessobjects.User"
          column="create_user_id"
        />   
        <many-to-one 
          name="modify_user" 
          class="com.mywork.packverify.businessobjects.User"
          column="modify_user_id"
        /> 
    </class>
</hibernate-mapping>