[英]Using open generics with tuples is not working in AutoMapper 10
I have the following two POCOs:我有以下两个 POCO:
private class Person
{
public string Name { get; set; }
public int Age { get; set; }
}
private class PersonDto
{
public string Name { get; set; }
public int Age { get; set; }
}
Then I defined two people:然后我定义了两个人:
private readonly Person _person1 = new Person
{
Name = "Steve",
Age = 20
};
private readonly Person _person2 = new Person
{
Name = "Alex",
Age = 45
};
Here is the code I tried to execute:这是我尝试执行的代码:
var mapper = new MapperConfiguration(m =>
{
m.CreateMap<Person, PersonDto>().ReverseMap();
m.CreateMap(typeof(Tuple<>), typeof(Tuple<>)).ReverseMap();
}).CreateMapper();
var tuple = Tuple.Create(_person1, _person2);
var mappedTuple = mapper.Map<Tuple<PersonDto, PersonDto>>(tuple);
On execution, I get an AutoMapperMappingException saying I am missing a type map configuration or the mapping is unsupported.在执行时,我收到一个 AutoMapperMappingException,说我缺少 map 类型配置或不支持映射。 My hope was that I could leverage the open generics feature and not have to register every Tuple version.
我希望我可以利用开放的 generics 功能,而不必注册每个 Tuple 版本。 If I explicitly do this, then everything works fine.
如果我明确地这样做,那么一切正常。 Am I missing anything?
我错过了什么吗?
I am using AutoMapper v10.我正在使用 AutoMapper v10。
It's because you did not specfied the generics of Tuple这是因为您没有指定 Tuple 的 generics
var mapper = new MapperConfiguration(m =>
{
m.CreateMap<Person, PersonDto>().ReverseMap();
m.CreateMap(typeof(Tuple<Person, Person>), typeof(Tuple<PerdonDto,PersonDto>)).ReverseMap();
}).CreateMapper();
var tuple = Tuple.Create(_person1, _person2);
var mappedTuple = mapper.Map<Tuple<PersonDto, PersonDto>>(tuple);
Edit编辑
the right thing to do is:正确的做法是:
var mapper = new MapperConfiguration(m =>
{
m.CreateMap<Person, PersonDto>().ReverseMap();
m.CreateMap(typeof(Tuple<,>), typeof(Tuple<,>)).ReverseMap();
}).CreateMapper();
var tuple = Tuple.Create(_person1, _person2);
var mappedTuple = mapper.Map<Tuple<PersonDto, PersonDto>>(tuple);
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