KnowledgeStep: Systems Analysis with the Unified Modeling Language

Course OOAD02: Systems Analysis with the Unified Modeling Language

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The key to effective business analysis is to provide specification of “what” functionality a software system will provide its users, rather than “how” the software will be designed. But too often traditional business analysis produces artifacts and specifications that do not align with the concepts of object-oriented design and development. This course focuses on how business analysts and business systems analysts can provide object-oriented developers with concise specifications of the problem domain within which a software solution will be constructed. Students will learn the power of the Unified Modeling Language version 2 (UML 2) for expressing business concepts and project goals using object-oriented models, to prepare for either in-house, or out-sourced, technical design and implementation. Extensive hands-on exercises using two complete, and parallel, case studies assure that students see how a concept is modeled, and then have the opportunity to immediately apply and test their understanding.

Audience: Business analysts and project managers who need a common, practical technique for constructing business analysis specifications of object-oriented systems.

Prerequisites: Experience in analysis is desirable, but not mandatory.

Course Contents

The Role of the IT Business Analyst

  • Context of IT Business Analyst
  • The IT-BA’s Responsibilities
  • What the IT-BA Delivers
  • Types of System Requirements
  • The Requirements Flow
  • IT Business Analyst as Enabler
  • What the IT-BA Does Not Do

Concepts of Object-Orientation

  • Why is Object Thinking Important to You?
  • Concept: Object
  • Concept: Object Operations
  • Concept: Class
  • Concept: Objects from a Class
  • Concept: Relationships
  • Concept: Abstraction

The UML and the IT Business Analyst

  • Business Domain Modeling
  • Structural Domain Models
  • Behavioral Domain Models
  • Functional Models
  • Data Models
  • The Unified Modeling Language
  • Structure Analysis Diagrams vs. UML
  • Why IT-BAs Should Develop UML Models

Object-Oriented Analysis

  • The ‘Big’ Picture of a Project for the IT-BA
  • Goals of the IT-BA’s Analysis Activities
  • Inputs to the Analysis Activities
  • Analysis Activities for the IT-BA
  • Outputs from the Analysis Activities
  • What are the Analysis Models?

Identify Analysis Classes

  • Identify Candidate Entities
  • Challenge the Candidate Entities
  • Construct the Domain Model

Responsibility-Driven Analysis

  • Construct Responsibility Specifications
  • Construct CRC Representations
  • CRC Defined
  • CRC Cards
  • Simulation Sequence Diagram

UML Overview – The 13 Diagrams

  • The Unified Modeling Language
  • UML Version 2
  • The 13 Diagrams
  • UML and Us

The UML Structural Model

  • Definition of the UML Structural Model

UML Relationships

  • Association
  • Aggregation & Composition
  • Association Class
  • Inheritance

Developing The Analysis Class Diagram

  • UML Classes, Objects & Stereotypes
  • Responsibility-Driven Class Definition
  • Step 1: Identify the Analysis Classes
  • Step 2: Identify Classes with Relationships
  • Step 3: Identify Relationship Semantics
  • Step 4: Identify Relationship Multiplicity

The UML Behavioral Model

  • Analysis Behavioral Models
  • The 7 Behavioral Models in UML

Developing The Sequence Diagram

  • Sequence Diagram Structure
  • Interaction Frames & Operators
  • Special Tips for Analysis Sequence Diagrams
  • Modeling Exercise: Sequence Diagram
  • Updating the Class Diagram

The Communication Diagram

  • Communication / Sequence Diagram Isomorphism

Developing The State Machine Diagram

  • Defining State
  • State Machine Diagram Structure
  • States, Events, Actions, Activities & Transitions
  • Updating the Class Diagram

Developing The Activity Diagram

  • Activity Diagram Structure

Putting It All Together

  • What Have We Accomplished?

UML 2 Notation

Appendix A: Class Diagramming Tips & Challenges

Appendix B: UML Interaction Frames

Appendix C: Advanced States