Development Process Bennett, McRobb and Farmer 1

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1 Development Process Based on Chapter 5 Bennett, McRobb and Farmer Object Oriented Systems Analysis and Design Using UML 4 th Edition, McGraw Hill,

2 In This Lecture You Will Learn: About the Unified Software Development Process How phases relate to workflows in an iterative life cycle An approach to system development Major activities in the development process 2

3 Unified Software Development Process Developed by the team that created UML Embodies best practice in system development Adopts an iterative approach with four main phases Different tasks are captured in a series of workflows 3

4 Best Practice Iterative and incremental development Component-based development Requirements-driven development Configurability Architecture-centrism Visual modelling techniques 4

5 Four Phases Inception Elaboration Construction Transition 5

6 Phases, Workflows and Iterations Within each phase activities are grouped into workflows The balance of effort spent in each workflow varies from phase to phase Within phases there may be more than one iteration 6

7 Project Phases Iterations within a phase Inception Elaboration Construction Transition Requirements Analysis Design Implementation Test Workflows Size of square relative to time spent on workflows time 7

8 Difference from Waterfall Life Cycle In a waterfall life cycle project the phases and the workflows are linked together In the Requirements phase, only Requirements workflow activities are carried out All Requirements activity should be completed before work starts on Analysis In an iterative life cycle project it is recognised that some Requirements work will be happening alongside Analysis work 8

9 Requirements Design Test Analysis Implementation Requirements Analysis Design Implementation Test 9

10 Major Activities of the Development Process Activity Techniques Key Deliverables Requirements Capture and Requirements Elicitation Use Case Architectural Prototyping Use Case Model Requirements List Initial Architecture Prototypes Glossary 10

11 Major Activities of the Development Process Activity Techniques Key Deliverables Requirements Analysis Communication Diagrams Class and Object Analysis Analysis Models 11

12 Major Activities of the Development Process Activity Techniques Key Deliverables System Architecture and Design Deployment Component Package Architectural Design Patterns Overview Design and Implementation Architecture 12

13 Major Activities of the Development Process Activity Techniques Key Deliverables Class Design Class and Object Interaction State Design Patterns Design Models 13

14 Major Activities of the Development Process Activity Techniques Key Deliverables User Interface Design Class and Object Interaction State Package Prototyping Design Patterns Design Models with Interface Specification 14

15 Major Activities of the Development Process Activity Techniques Key Deliverables Data Management Design Class and Object Interaction State Package Design Patterns Design Models with Database Specification 15

16 Major Activities of the Development Process Activity Techniques Key Deliverables Construction Programming Component Reuse Database DDL Programming Idioms Manual Writing Constructed System Documentation 16

17 Major Activities of the Development Process Activity Techniques Key Deliverables Testing Programming Test Planning and Design Testing Test Plans Test Cases Tested System 17

18 Major Activities of the Development Process Activity Techniques Key Deliverables Implementation Planning Training Data Conversion Installed System 18

19 Summary In this lecture you have learned about: The Unified Software Development Process How phases relate to workflows in an iterative life cycle An approach to system development Major activities in the development process 19

20 References Jacobson, Booch and Rumbaugh (1999) Kruchten (2004) Chapter 21 of Bennett, McRobb and Farmer includes more about the Unified Process as well as Agile alternatives (For full bibliographic details, see Bennett, McRobb and Farmer) 20

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