要将两个相同的表映射到一个类,您需要使用Hibernate或NHibernate的entity-name属性。文档在这里:
http://docs.jboss.org/hibernate/core/3.2/reference/en/html/mapping.html#mapping- entityname
例如,要将单个类Order映射到Order和OrderHistory表,您可以创建一个映射文件,使用新的实体名称将订单类映射到两个表,如下所示:
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2">
<class name="DomainModel.Order, DomainModel"
table="Orders" entity-name="Order">`
<id name="_id" access="field" column="OrderId">
<generator class="assigned"/>
</id>
<property name= ...>
</class>
<class name="DomainModel.Order, DomainModel"
table="OrderHistories" entity-name="OrderHistory">
<id name="_id" access="field" column="OrderId">
<generator class="assigned"/>
</id>
<property name= ...>
</class>
</hibernate-mapping>
_session.Save("Order", myOrder)
要么
_session.Save("OrderHistory", myOrder)