如何在UML类图中显示私有继承关系 [英] How to show private inheritance relationship in a UML class diagram

问题描述

在C ++中，由于私有继承不被视为是 is-a 关系，因此应该如何在类图中显示它，以及如果将其显示为 has-a 关系，那么如何区分组合和私有继承呢?

In C++ since private inheritance is not considered as an is-a relationship, how is it supposed to be shown in a class diagram and if it is shown as a has-a relationship then how can it be differentiated between a composition and a private inheritance?

推荐答案

它应该是组成"关系(子类侧为纯黑色菱形)，因为:

It should be a Composition relationship (solid black diamond on the subclass side), because:

• 私人继承的意思是根据……实现"，但是就这一点而言，可以简单地将其视为具有"关系.
• 该子类的实例显然拥有该对象的基本calss部分，并且所有权不与任何其他对象共享.

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