层 (面向对象设计)
面向对象设计中的层（layer）是一群和其他模块有类似耦合性的类别[1]。层也可以说是一组可复用的软件组件，可以在类似的环境下复用。
各层的模块会用树状的阶级架构来规划，各层模块之间的依赖关系会用连接来表示。各层之间的依赖关系可能是继承[2]、复合或聚合（aggregation）关系，不过也有可能是其他的关系。
分层是许多书籍中都会提到的架构模式，例如《Pattern-Oriented Software Architecture》书中就有提到[3]。
相关条目
[编辑]参考资料
[编辑]- ^ Lakos, John. Large-scale C++ software design'
. Addison-Wesley. 1997.
- ^ Monperrus, Martin; Beugnard, Antoine; Champeau, Joël. A Definition of "Abstraction Level" for Metamodels. 2009 16th Annual IEEE International Conference and Workshop on the Engineering of Computer Based Systems. [2021-04-23]. doi:10.1109/ecbs.2009.41. （原始内容存档于2021-04-23）.
- ^ Pattern-Oriented Software Architecture - A System of Patterns 互联网档案馆的存档，存档日期2008-06-16.
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