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Advanced Basic Key Terms Dependency Actor Generation association

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Presentation on theme: "Advanced Basic Key Terms Dependency Actor Generation association"— Presentation transcript:

1 Advanced Basic Key Terms Dependency Actor Generation association
Stereotype <<include>> <<extends>> Use Case Name simple name path name Basic Actor association System Use Case Use Case Diagram

2 Notation and Semantics
Actor (行動者) - 代表與系統有互動關係的外部物件(Object),如人、系統、設備等,用來啟動或參與一個Use Case。 Association (關聯性) - 表達Actors與Use Cases相互之間的基本關聯。 System (系統) - 包含與系統功能相關的use case的集合。 Actor Name Actor - A coherent set of roles that users of use cases play when interacting with the use case. association - A structural relationship that describes a set of links, in which a link is a connection among objects. System -Possibly decomposed into a collection of subsystem, a set of elements organized to accomplish a specific purpose and described by a set of models, possibly from different viewpoints. System Name

3 Notation and Semantics
Use Case (使用個案) - 代表系統所提供的功能及行為(action)。 Use Case Diagram(使用個案圖) - 顯示Use Case和Actor的集合與相互之間的關係。 Use Case Diagram著重於用靜態的觀點表達出系統的功能。 Use Case Name ATM System 提款 Use Case - A description of a set of sequences of actions, including variants, that a system performs that yields an observable result of value to an actor. Use Case Diagram - A diagram that shows a set of use cases and actors and their relationship; use case diagrams address the static use case view of a system. 轉帳 銀行主機 顧客 查詢餘額

4 Review and Example Actor association system Use Case 查詢餘額 顧客 提款 轉帳
銀行主機 ATM System Actor association system <圖U-2>來源:物件導向雜誌 月號「UML與軟體主架構--- 介紹Rational Rose的Use Case 觀點」,Page 53 圖27 顧客使用ATM系統主機連線到銀行主機來提款、轉帳、及查詢餘額。 ATM System方框表示ATM系統內相關功能的Use Case的集合。 Use Case

5 Support representative
Example Help Desk Make a call Client Take the call Operator Do research Return a call Support representative


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