[英]Automapper does not recognize inheritence sub classes after mapping
I have:我有:
class Pet { string name {get;set;} }
class Dog : Pet { string dograce {get;set;} }
class Cat : Pet { string catrace {get;set;} }
and my DTOs:和我的 DTO:
class PetDTO { string name {get;set;} }
class DogDTO : PetDTO{ string dograce {get;set;} }
class CatDTO : PetDTO { string catrace {get;set;} }
Now my automapper setup is quiet simple for these:现在我的自动映射器设置对于这些来说非常简单:
CreateMap<Pet, PetDTO>();
CreateMap<Dog, DogDTO>();
CreateMap<Cat, CatDTO>();
So now I add these pets into my shelter class:所以现在我将这些宠物添加到我的避难所 class 中:
class Shelter { List<Pet> MyPets {get;set;} }
Any my DTO of this:我的任何 DTO:
class ShelterDTO { List<PetDTO> MyPets {get;set;} }
And my automapper:还有我的自动映射器:
CreateMap<Shelter , ShelterDTO>();
So I fill this with data and map it:所以我用数据和 map 填充它:
Shelter shel = new Shelter();
shel.MyPets = new List<Pet>();
shel.MyPets.Add(new Dog() { Name = "Fiffy", DogRace = "NiceDog" };
This works fine, now I want to map it:这工作正常,现在我想 map 它:
var data = mapper.map<ShelpterDTO>(shel);
And here is the point.这就是重点。 While in my "shel" the Pet is a Dog and has the property DogRace, the mapped instance is not a Dog, its only a Pet with the given Name Fiffy but without the DogRace.
虽然在我的“shell”中,Pet 是 Dog 并且具有 DogRace 属性,但映射的实例不是 Dog,它只是具有给定名称 Fiffy 但没有 DogRace 的 Pet。
What type of configuration did I miss?我错过了什么类型的配置?
You need to Include
( see here ) the derived classes in your mapping, for example:您需要在映射中
Include
( 参见此处)派生类,例如:
CreateMap<Dog, DogDTO>();
CreateMap<Cat, CatDTO>();
CreateMap<Pet, PetDTO>()
.Include<Dog, DogDTO>()
.Include<Cat, CatDTO>();
Example: https://dotnetfiddle.net/8geXDV示例: https://dotnetfiddle.net/8geXDV
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