Layer (object-oriented design) (original) (raw)

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dbo:abstract In object-oriented design, a layer is a group of classes that have the same set of link-time module dependencies to other modules. In other words, a layer is a group of reusable components that are reusable in similar circumstances. In programming languages, the layer distinction is often expressed as "import" dependencies between software modules. Layers are often arranged in a tree-form hierarchy, with dependency relationships as links between the layers. Dependency relationships between layers are often either inheritance, composition or aggregation relationships, but other kinds of dependencies can also be used. Layers is an architectural pattern described in many books, for example Pattern-Oriented Software Architecture (en) 面向对象设计中的層是一群和其他模块有類似耦合性的類別。層也可以說是一組可復用的軟體組件,可以在類似的環境下復用。 各層的模組會用树狀的階級架構來規劃,各層模組之間的依賴關係會用連接來表示。各層之間的依賴關係可能是继承、或聚合(aggregation)關係,不過也有可能是其他的關係。 分層是許多書籍中都會提到的架构模式,例如Pattern-Oriented Software Architecture。 (zh)
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rdfs:comment 面向对象设计中的層是一群和其他模块有類似耦合性的類別。層也可以說是一組可復用的軟體組件,可以在類似的環境下復用。 各層的模組會用树狀的階級架構來規劃,各層模組之間的依賴關係會用連接來表示。各層之間的依賴關係可能是继承、或聚合(aggregation)關係,不過也有可能是其他的關係。 分層是許多書籍中都會提到的架构模式,例如Pattern-Oriented Software Architecture。 (zh) In object-oriented design, a layer is a group of classes that have the same set of link-time module dependencies to other modules. In other words, a layer is a group of reusable components that are reusable in similar circumstances. In programming languages, the layer distinction is often expressed as "import" dependencies between software modules. Layers is an architectural pattern described in many books, for example Pattern-Oriented Software Architecture (en)
rdfs:label Layer (object-oriented design) (en) 層 (物件導向設計) (zh)
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