Object-Oriented Analysis and Design Using UML

Transcription

1 Object-Oriented Analysis and Design Using UML An Introduction to Unified Process and Design Patterns Mahesh P. Matha

2 Object-Oriented Analysis and Design Using UML

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4 Object-Oriented Analysis and Design Using UML An Introduction to Unified Process and Design Patterns MAHESH P. MATHA Department of Computer Science (PG Section) Smt. Parvatibai Chowgule College of Arts and Science Margao, Goa New Delhi

5 Rs OBJECT-ORIENTED ANALYSIS AND DESIGN USING UML An Introduction to Unified Process and Design Patterns Mahesh P. Matha 2008 by PHI Learning Private Limited, New Delhi. All rights reserved. No part of this book may be reproduced in any form, by mimeograph or any other means, without permission in writing from the publisher. ISBN The export rights of this book are vested solely with the publisher. Second Printing December, 2010 Published by Asoke K. Ghosh, PHI Learning Private Limited, M-97, Connaught Circus, New Delhi and Printed by Glorious Printer, Delhi

6 To my loving Mother Mrs. Kumud P. Matha and my Father (Late) Mr. Pandurang R. Matha

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8 Contents Preface Acknowledgements xiii xv 1 Introduction Role of Analysis and Design in Software Development What is Meant by Object Orientation? Encapsulation Abstraction, Implementation Hiding Inheritance, Dynamic Binding, Polymorphism Overriding and Overloading What is Object-Oriented Analysis and Design (OOAD)? Overview of Various OOAD Methodologies Booch Methodology Coad and Yourdon Methodology Fusion Jacobson: Objectory and OOSE LBMS SEOO Rumbaugh OMT Shlaer and Mellor OO Analysis Goals of UML 8 Summary 9 Review Questions 9 2 Use Case Modelling Actors and Use Cases Use Case Relationships The Include Relationship The Extend Relationship Use Case Generalization Writing Use Cases Formally How to Choose the System Boundary Finding Actors Finding Use Cases Use of Use Cases for Validation and Verification 19 vii

9 viii CONTENTS 2.8 Use Case Realization 20 CASE STUDY: A Career Guidance Portal 21 Summary 38 Review Questions 39 3 Static Modelling Using Class Diagrams Classes and Objects Attributes and Operations Visibility of Attributes and Operations Private Visibility Public Visibility Protected Visibility Class Scope Attribute Mapping Class to Java Code Attributes with Default Values Associations The Java Code for Unidirectional Association The Java Code for Bidirectional Association Role Names Qualified Association Association Class Ternary Association Recursive Association The Java Code for Recursive Association Multiple Associations between Two Classes The Java Code for Multiple Associations between Two Classes Aggregation Composite Aggregation Shared Aggregation Generalization The Java Code for Generalization Abstract Class Subclass Partitioning Generalization Set Interfaces The Java Code for Interface Realization Packages and Grouping of Classes into Packages Graphical Display of Owned Elements Import, Access and Export Parameterized Classes Identification of Classes for Career Guidance Portal 69 Summary 72 Review Questions 72

10 CONTENTS ix 4 Interaction Diagrams Introduction to Interaction Diagrams Sequence Diagrams Creating New Objects Combining Fragments (Condition and Loop) The Option Combination Fragment The Break Combination Fragment The Parallel Combination Fragment The Ref Combination Fragment Gates Recursion Iteration over a Collection Invoking Static Messages Communication Diagrams Basic Notation for Communication Diagrams Labelling Messages in Communication Diagrams Messages to Self Creating Instances Mutually Exclusive Conditional Messages Iteration for a Single Message Iteration over a Collection Invoking Static Messages 93 Summary 93 Review Questions 94 5 Dynamic Modelling Using State and Activity Diagrams What are State Machines? Events Time Event A Guard Condition Becoming True Change Event Call Event Signal Event States and Transitions Formal Syntax for Specifying a State Transition Substates Modelling Complex Transitions The History Indicator (Shallow and Deep History) The Junction State The Synch State The Submachine Reference and the Stub States Stub State 107

11 Object-oriented Analysis And Design Using UML An Introduction To Unified Process And Design Patterns Publisher : PHI Learning ISBN : Author : Mahesh P Matha Type the URL : Get this ebook