两个实体之间的两个（或多个）聚合关系 [英] Two (or more) aggregation relationships between two entities

问题描述

请考虑以下（抽象）情况：

Consider the following (abstract) situation:

两个实体。两个实体之间存在两种聚合关系。

Two entities. There are two aggregation relationships between the two entities.

该图如下所示：

我知道这听起来有些含糊，但是在那里这幅画有什么问题吗？

I know this might sound vague, but is there anything wrong with this picture?

我的意思是，这种设计是否可能会出现（明显的）问题？

I mean, are there any (obvious) problems that could arise from this kind of design?

或者我是偏执狂，两个实体之间的两个（或多个）聚合关系绝对没有错吗？

Or am I being paranoid and there's absolutely nothing wrong with two (or more) aggregation relationships between two entities?

推荐答案

<对我来说，这种设计没有错。
您的Entity2在每种情况下都将扮演不同的角色。

For me there is nothing wrong in such design. Your Entity2 will have a different role in each context that's all.

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