#副標=Open Source軟體實戰
#大標=資料永續層解決方案─Hibernate (II)
#作者=文／Mark Ho

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#程式1
	private Dept my_dept;
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#程式2
private Set my_employees = new HashSet();
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#程式3
Emp scott = new Emp();
Dept it_dept = new Dept();
scott.setMy_dept(it_dept);
it_dept.getMy_employees().add(scott);
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#程式4
public void addEmp( Emp e ){
  e.setMy_dept(this);
  my_employees.add(e);
}
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#程式5
<many-to-one
	name="my_dept"
	column="DEPT_ID"
	class="foo.Dept"
	not-null="true"/>
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#程式6
<set name="my_employees" inverse="true" >
	<key column="DEPT_ID"/>
	<one-to-many class="foo.Emp"/>
</set>
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#程式7
.....
Dept it_div = new Dept();
it_div.setDept_name("IT");
session1.save(it_div);
Emp scott = new Emp();
scott.setName("Scott");
scott.setMy_dept(my_dept);
my_dept.getMy_employees().add(scott);
.....
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#程式8
<set name="my_employees" 
    cascade="all-delete-orphan" inverse="true">
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#程式9
Dept my_dept2 = (Dept) 
    session3.get(Dept.class,new Integer(1));
		session3.delete(my_dept2);
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