TRƢỜNG ĐẠI HỌC BÁCH KHOA HÀ NỘI KHOA ĐIỆN TỬ VIỄN THÔNG PHÂN TÍCH THIẾT KẾ HƢỚNG ĐỐI TƢỢNG CHƢƠNG 4. Thiết kế Bộ môn Điện tử tin học 04/2007 Chƣơng 4. Thiết kế  4.1. Chuẩn bị thiết kế  4.2. Thiết kế lớp và phƣơng thức  4.3. Thiết kế lớp quản lý dữ liệu  4.4. Thiết kế giao diện giao tiếp ngƣời-máy  4.5. Thiết kế kiến trúc vật lý October 20 OOD - DEI.FET.HUT 2 4.1. Moving on Design  The purpose of the analysis phase is to figure out what the business needs. The purpose of the design phase is to figure out how to provide it.  The steps in both analysis and design phases are highly interrelated and may require much “going back and forth” October 20 OOD - DEI.FET.HUT 3 REVISITING THE OBJECTORIENTED APPROACH TO ANALYSIS AND DESIGN OO Analysis and Design Foundation  Use-case driven  Architecture centric  Iterative and incremental October 20 OOD - DEI.FET.HUT 5 Combining Three Views of a System  Functional View  External behavior of the system  From perspective of the user  Static View  Structure of the system  Classes, attributes, methods, etc.  Dynamic  Internal behavior  Message passing, state changes, etc. October 20 OOD - DEI.FET.HUT 6 A “Minimalist” Approach  Planning  Gathering requirements  Perform a series of “builds”  Analysis, Design, Implementation  Use results of each build as feedback for design and implementation fb.com/g

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