这个hibernate映射文件怎么写啊?

[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.....

<?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"
/>

两个一对一,一个一对多

建议你不要使用绝对的一对一,你可以使用一对多,然后把多的一方设置为唯一.这样效率要高一些

hibernate.cgf.xml:

<session-factory>
    <property name="connection.username">xxxxx</property>
    <property name="connection.url">
        jdbc:pointbase:server://localhost/ecport
    </property>
    <property name="connection.password">xxxx</property>
    <property name="connection.driver_class">
        com.pointbase.jdbc.jdbcUniversalDriver
    </property>
    <property name="show_sql">true</property>
    <property name="format_sql">true</property>

    <mapping resource="Organization.hbm.xml" />

</session-factory>

Organization.hbm.xml:

property-ref="organization"/>

用myeclipse 自己生成.
window ->open perspective ->myeclipse hibernate

在db browser 新建DB连接 选择数据库,选择表 左键-> hibernate reverse...
就可以自动生成相关代码,还可以生成Spring 相关的.

:idea: