[英]NHibernate mapping with a class hierarchy whose base class is abstract and the discriminator is not a string
[英]Inheritance with NHibernate mapping and Abstract class
我試圖映射一個將繼承其他兩個類的類,我希望將其抽象化,這樣我將能夠返回包含兩種類型的子對象的列表,並在父類中使用區分符對它們進行相應的轉換。
這是我的域模型:
public class Person
{
public int id {get; set;}
public string name{get; set;}
}
public class Teacher : Person
{
public string subject{get; set;}
}
public class Student : Person
{
public string grade{get; set;}
}
而我的Nhibernate映射:
<?xml version="1.0" encoding="utf-8"?>
<hibernate-mapping namespace="Domain.Model" assembly="Domain" xmlns="urn:nhibernate-mapping-2.2" auto-import="false">
<class name="Person" table="`Person`" schema="`PR`">
<id name="id" access="property" column="`id`">
<generator class="identity"/>
</id>
<property name="id" type="int" column="`id`" />
<property name="name" type="String" column="`name`" />
<joined-subclass name="Teacher" table="`Teacher`" schema="`PR`">
<key column="`id`" />
<property name="subject" type="String" column="`subject`" />
</joined-subclass>
<joined-subclass name="Student" table="`Student`" schema="`PR`">
<key column="`id`" />
<property name="grade" type="String" column="`grade`" />
</joined-subclass>
</class>
</hibernate-mapping>
我希望將“ Person”類抽象化,這樣我就可以擁有一個可以包含兩個子類型的列表,但是我不確定該怎么做
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