C# 模式帮助:C语言中的多级泛型继承#
我有一个类似以下示例的多级类层次结构:C# 模式帮助:C语言中的多级泛型继承#,c#,.net,generics,inheritance,design-patterns,C#,.net,Generics,Inheritance,Design Patterns,我有一个类似以下示例的多级类层次结构: Model Dto / \ / \ CompanyModels User Model, etc.. CompanyDto UserDto, etc.. / \
Model Dto
/ \ / \
CompanyModels User Model, etc.. CompanyDto UserDto, etc..
/ \ / \
PeopleModel OfficeModel PeopleDto OfficeDto
所有“公司模型”共享相同的属性(名称、地址等),子模型“人员”、“办公室”等。。。添加其他属性
在“Model”基类中,我使用了以下方法,旨在将模型拆分为仅需要通过导线的部分:
public virtual T AsDto<T>() where T : Dto, new()
{
var dto = new T();
dto.CreatedDate = this.CreatedDate;
dto.CreatedUserID = this.CreatedUserID; //etc..
return dto;
}
public virtual T AsDto(),其中T:Dto,new()
{
var dto=新的T();
dto.CreatedDate=this.CreatedDate;
dto.CreatedUserID=this.CreatedUserID;//等。。
返回dto;
}
在我的一生中,我无法找到让“公司模型”处理“PeopleModel”和“OfficeModel”共享的属性分配的最佳模式
目前,我已设置了以下设置,我相当肯定这些设置将不起作用:
public class CompanyModel : Model
{
public override CompanyDto AsDto<T>()
{
CompanyDto c = base.AsDto<CompanyDto>();
c.CompanyName = this.CompanyName; //etc...
return c;
}
}
public class PeopleModel : CompanyModel
{
public override PeopleDto AsDto<T>()
{
PeopleDto p = base.AsDto<PeopleDto>() as PeopleDto; //will return null
p.FirstName = this.FirstName;
p.LastName = this.LastName; //etc...
return p;
}
}
公共类公司模型:模型
{
公共覆盖公司到AsDto()
{
CompanyDto c=base.AsDto();
c、 CompanyName=this.CompanyName;//等等。。。
返回c;
}
}
公共类人员模型:CompanyModel
{
公共覆盖人到AsDto()
{
PeopleDto p=base.AsDto()as PeopleDto;//将返回null
p、 FirstName=this.FirstName;
p、 LastName=this.LastName;//等等。。。
返回p;
}
}
请帮我找出实现这一目标的正确模式,因为目前我认为我已经盯着这个太久了
提前谢谢
public class Model
{
public DateTime CreatedDate { get; set; }
public int CreatedUserID { get; set; }
public virtual Dto AsDto()
{
return FillDto(new Dto());
}
protected Dto FillDto(Dto dto)
{
dto.CreatedDate = this.CreatedDate;
dto.CreatedUserID = this.CreatedUserID; //etc..
return dto;
}
}
public class CompanyModel : Model
{
public string CompanyName { get; set; }
public override Dto AsDto()
{
return FillDto(new CompanyDto());
}
protected CompanyDto FillDto(CompanyDto dto)
{
base.FillDto(dto);
dto.CompanyName = this.CompanyName;
return dto;
}
}
public class PeopleModel : CompanyModel
{
public string FirstName { get; set; }
public string LastName { get; set; }
public override Dto AsDto()
{
return FillDto(new PeopleDto());
}
protected PeopleDto FillDto(PeopleDto dto)
{
base.FillDto(dto);
dto.FirstName = this.FirstName;
dto.LastName = this.LastName; //etc...
return dto;
}
}