复旦大学：《面向对象分析和设计》课程资料_UML&GRASP_5.2 Iteration 3 领域模型 MODELING GENERALIZATION & REFINING THE DOMAIN MODEL

MODELING GENERALIZATION REFINING THE DOMAIN MODEL 徐迎晓 xuyingxiao@126.com 复旦大学软件学院

MODELING GENERALIZATION & REFINING THE DOMAIN MODEL 徐迎晓 xuyingxiao@126.com 复旦大学软件学院

泛化 抽象概念类 考虑关联类 考虑聚合 考虑时间 导出元素 限定符 e Ordered elements ●包的表示及如何分区

泛化 抽象概念类 考虑关联类 考虑聚合 考虑时间 导出元素 限定符 Ordered Elements 包的表示及如何分区

●泛化 ●抽象枧念类 ●考虑关联类 ●考虑聚合 ●考虑时间 ●导出元素 限定符 e Ordered elements ●包的表示及如何分区

泛化 抽象概念类 考虑关联类 考虑聚合 考虑时间 导出元素 限定符 Ordered Elements 包的表示及如何分区

根据本次迭代的需求,从用例描述以及 Concept Category List中提取新的概念 类 CreditCard, CashPayment, CreditPayrnent CreditAuthorization Service

根据本次迭代的需求，从用例描述以及 Concept Category List中提取新的概念 类: ⚫ CreditCard, CashPayment, CreditPayrnent, CreditAuthorizationService,…

对泛化建模 superclass-more general concept these are conceptual classes. not software classes subclass-more Cash Credit Check specialized concept Payment Payment Payment

对泛化建模 Cash Payment Credit Payment Check Payment Payment superclass - more general concept subclass - more specialized concept these are conceptual classes, not software classes

Paymento abstract class indicated by italics amount: Money Cash Credi Check Payment Payment Payment

Cash Payment Credit Payment Check Payment Payment amount : Money abstract class indicated by italics

Payment Payment Cash Credit Check Cash Credit Check Pay ment Payment Payment Payment Payment Payment Class hierarchy with separate and shared arrow notations

Class hierarchy with separate and shared arrow notations

100% Rule Superclass的定义应该100%适用于 subclass ● Subclass必须100%符合 superclassI的: attributes ● associations Payment Pays-for Sale amount: Money Cas h Credit Check Payment Payment Pay ment

100% Rule Superclass的定义应该100%适用于 subclass. Subclass必须100%符合superclass的: ⚫ attributes ⚫ associations

/9/we Subclass is a Superclass e CreditPayment is a payment

Is-a Rule Subclass is a Superclass ⚫ CreditPayment is a Payment

何时定义子类和父类

何时定义子类和父类