【发布时间】:2016-07-10 22:36:41
【问题描述】:
我有以下接口:
public interface IInitializable
{
void Initialize ();
}
public interface IPersistXmlElementTo
{
XmlElement ToXmlElement (XmlDocument document);
}
public interface IPersistXmlElement<T>:
IPersistXmlElementTo,
IInitializable
{
T FromXmlElement (XmlElement element);
}
public interface IPersistXmlDocumentTo:
IPersistXmlElementTo
{
XmlDocument ToXmlDocument ();
}
public interface IPersistXmlDocument<T>:
IPersistXmlDocumentTo,
IPersistXmlElement<T>,
IInitializable
{
T FromXmlDocument (XmlDocument document);
}
public interface ICloneable<T>
where T: ICloneable<T>
{
T Clone ();
}
public interface ICopyable<T>:
IInitializable,
ICloneable<T>
where T: ICopyable<T>
{
T CopyFrom (T source);
T CopyTo (T destination);
}
public interface IEntity
{
long Id { get; set; }
byte [] TimeStamp { get; set; }
DateTime DateTimeCreated { get; set; }
DateTime DateTimeModified { get; set; }
}
目前所有实体类都继承自IEntity。我现在希望 IEntity 从上面的接口继承。这意味着将 IEntity 转换为通用接口。比如:
public interface IEntity<T>:
IPersistXmlDocument<T>,
IPersistXmlElement<T>,
ICloneable<T>,
ICopyable<T>,
IInitializable
where T: IEntity<T>
我在从类继承时遇到了 EF 问题,但到目前为止接口似乎工作正常。有什么需要注意的问题吗?从Entity: IEntity 切换到Entity: IEntity<Entity> 需要EF 中的任何特殊配置吗?
【问题讨论】:
标签: c# .net entity-framework generics interface