Fluent NHibernate 委托映射函数
鉴于这个（可怕的）对象图我无法更改，
public class Email
{
public Email(string email) { ... }
//DO a bunch of worthless stuff
}
public interface IPerson
{
Email Email{get;set;}
}
这样的东西存在吗？
Map(p => p.EmailAddress).Use(s => new EmailAddress(s));
本质上，Person 接口不会接受字符串，而且我不拥有 Email 类，所以我无法修改它......
Given this (HORRIBLE) object graph that I can't change
public class Email
{
public Email(string email) { ... }
//DO a bunch of worthless stuff
}
public interface IPerson
{
Email Email{get;set;}
}
Does something like this exist?
Map(p => p.EmailAddress).Use(s => new EmailAddress(s));
Essentially the Person interface won't take a string and I don't own the Email class so I can't modify it...
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不确定 Fluent NHibernate，但您可以创建自己的
IUserType，它将从Email映射到string，反之亦然。这非常简单：请参阅此作为示例。Not sure about Fluent NHibernate, but you can create your own
IUserTypewhich will map fromEmailtostringand vice versa. It's real easy: see this for an example.它称为组件，对于映射值类型（如电子邮件地址）很有用。
It is called component and useful for mapping valuetypes like an emailaddress.