我在一个低级名称空间中有一个枚举。我想在中层名称空间中提供一个“继承”低层枚举的类或枚举。
namespace low
{
public enum base
{
x, y, z
}
}
namespace mid
{
public enum consume : low.base
{
}
}
我希望这是可能的,或者可能有某种类可以取代枚举消费,这将为枚举提供一个抽象层,但仍然让该类的实例访问枚举。
想法吗?
编辑:
我没有在类中将其转换为const的原因之一是我必须使用的服务需要低级枚举。我已经获得了wsdl和xsd,它们将结构定义为枚举。该服务不可更改。
您可以在enum中执行继承,但它仅限于以下类型。
Int, uint, byte, sbyte, short, ushort, long, ulong
E.g.
public enum Car:int{
Toyota,
Benz,
}
您可以在enum中执行继承,但它仅限于以下类型。
Int, uint, byte, sbyte, short, ushort, long, ulong
E.g.
public enum Car:int{
Toyota,
Benz,
}
This is what I did. What I've done differently is use the same name and the new keyword on the "consuming" enum. Since the name of the enum is the same, you can just mindlessly use it and it will be right. Plus you get intellisense. You just have to manually take care when setting it up that the values are copied over from the base and keep them sync'ed. You can help that along with code comments. This is another reason why in the database when storing enum values I always store the string, not the value. Because if you are using automatically assigned increasing integer values those can change over time.
// Base Class for balls
public class Ball
{
// keep synced with subclasses!
public enum Sizes
{
Small,
Medium,
Large
}
}
public class VolleyBall : Ball
{
// keep synced with base class!
public new enum Sizes
{
Small = Ball.Sizes.Small,
Medium = Ball.Sizes.Medium,
Large = Ball.Sizes.Large,
SmallMedium,
MediumLarge,
Ginormous
}
}