这个hibernate映射文件怎么写啊?

Question

[code="java"]
import java.util.Set;

public class Organization {

private int id;

private String name;

private String sn;

private String description;

    //每个组织有一个上级组织.
private Organization parent;
//每个组织有多个下级组织.
private Set<Organization> children;

}

[/code]

谢谢大家了.....

Answer 1

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping
PUBLIC "-//Hibernate/Hibernate Mapping DTD 2.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd">

<property name="name" type="string" >
    <column name="name" length="15" />
</property>

<set 
    name="children"
    cascade="save-update"
    inverse="true"
    >
    <key column="parent_id" />
    <one-to-many class="Organization" />
 </set>   

name="parent"
column="parent_id"
class="Organization"
cascade="save-update"
/>