Hibernate mapping problem of parent

 "sss.zhou@gmail.com" <sss.zhou@gmail.com>
Sun, 09 Sep 2007 11:04:54 -0000
The mapping attribute parent="xxx" doesn't work

Hibernate Version: version 3.2.5

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping

<hibernate-mapping package="parenttest">
   <class name="Parent" table="PARENT">
      <id name="id" column="PARENT_ID" type="long">
         <generator class="native"/>
      <property name="name" column="NAME" type="string"/>

      <set name="Childs" table="CHILDS">
         <key column="CHILD_ID"/>
         <composite-element class="Child">
            <parent name="Parent"/>
            <property name="username" column="ADDED_BY_USER"

But I get the Child.java class source file by hbm2java.

package parenttest;
// Generated 2007-9-9 17:42:40 by Hibernate Tools 3.2.0.b9

 * Child generated by hbm2java
public class Child implements java.io.Serializable {

     private String username;

    public Child() {

    public Child(String username) {
       this.username = username;

    public String getUsername() {
        return this.username;

    public void setUsername(String username) {
        this.username = username;

The code of Parent.java is OK.

So what's wrong with the mapping files? I want the Child to have the
getter and setter of parent. I see the parent tag do this work in
hibernate document.

   private Parent parent;
   public Parent getParent() {
      return parent;

   public void setParent(Parent parent) {
      this.parent = parent;

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