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组合结构图

组合结构图(Composite structure diagram)是UML的一种结构图。“结构”是指元素之间的相互连接,实例通过通信连接合作以实现某目的。 组合结构图的结点元素有:部件、端口、合作、合作使用;连接元素有:连接件、角色绑定。[1]

主要元素说明

组合结构图
  • 部件:一个实例,是组合结构图的基本组成元素。部件可以包含子部件,当所包含的子部件都被摧毁时,部件也将不复存在。
  • 端口:端口是部件与其外部环境或子部件之间的交互点。
  • 连接件:允许两个或更多个实例之间进行通信的连接。连接件可以简单到是指针,也可以复杂到是网络连接。与关联不同,关联指定的是实例所属类之间的关系,而连接件仅仅是实例之间的关系。

参考

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组合结构图
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