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Transcript of 1 IBM Software Group Mastering Object-Oriented Analysis and Design with UML 2.0 Module 4: Analysis...
![Page 1: 1 IBM Software Group Mastering Object-Oriented Analysis and Design with UML 2.0 Module 4: Analysis and Design Overview.](https://reader035.fdocuments.in/reader035/viewer/2022062413/5a4d1bad7f8b9ab0599cb6c7/html5/thumbnails/1.jpg)
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IBM Software Group
®
Mastering Object-Oriented Analysis and Design with UML 2.0Module 4: Analysis and Design Overview
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Objectives: Analysis and Design Overview
Review the key Analysis and Design terms and concepts
Introduce the Analysis and Design process, including roles, artifacts and workflow
Explain the difference between Analysis and Design
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Analysis and Design in Context
The purposes of Analysis and Design are to:
Transform the requirements into a design of the system-to-be.
Evolve a robust architecture for the system.
Adapt the design to match the implementation environment, designing it for performance.
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SupplementarySpecification
Use-Case ModelDesign Model
Data Model
ArchitectureDocument
Analysis and Design
Analysis and Design Overview
Glossary
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Analysis & Design Overview Topics
Key Concepts Analysis and Design Workflow
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Analysis Versus Design
Analysis Design Focus on understanding
the problem Idealized design Behavior System structure Functional requirements A small model
Focus on understanding the solution
Operations and attributes Performance Close to real code Object lifecycles Nonfunctional
requirements A large model
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Design Classes
Subsystems
Use Cases
Analysis and Design Are Not Top-Down or Bottom-Up
Analysis Classes
BottomUp
TopDown
(Define a middle level)
Analysis and Design
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What Is Architecture?
Software architecture encompasses a set of significant decisions about the organization of a software system. Selection of the structural elements and their
interfaces by which a system is composed Behavior as specified in collaborations among
those elements Composition of these structural and behavioral
elements into larger subsystems Architectural style that guides this organization
Grady Booch, Philippe Kruchten, Rich Reitman, Kurt Bittner; Rational(derived from Mary Shaw)
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Architecture Constrains Design and Implementation
Architecture involves a set of strategic design decisions, rules or patterns that constrain design and construction.
Architecture decisions are the most fundamental decisions, and changing them will have significant effects.
Architecture
Design
Implementation
Code
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Software Architecture: The “4+1 View” Model
Process View Deployment View
Logical View
Use-Case View
Implementation View
End-userFunctionality
ProgrammersSoftware management
Performance, scalability, throughputSystem integrators System topology, delivery,
installation, communication
System engineering
Analysts/DesignersStructure
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Analysis & Design Overview Topics
Key Concepts Analysis and Design Workflow
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Analysis and Design Workflow
Analysis
Design
[Early Elaboration Iteration]
[Inception Iteration (Optional)]
Define a CandidateArchitecture
PerformArchitectural
Synthesis
Analyze Behavior
Refine theArchitecture
DesignComponents
Design theDatabase
(Optional)
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Analysis and Design Activity Overview
Architect
Designer
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Software Architect’s Responsibilities
Architect
Software ArchitectureDocument
The Software Architect leads and coordinates technical activities and artifacts.
Reference Architecture
Analysis Model
Design Model
Deployment ModelImplementation Model
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Designer’s Responsibilities
DesignerUse-Case Realization
Package Class/Subsystems
The designer must know use-case modeling techniques, system requirements, and software design techniques.
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Review: Analysis and Design Is Use-Case Driven
Use cases defined for a system are the basis for the entire development process.
Benefits of use cases: Concise, simple, and understandable by a wide range of
stakeholders. Help synchronize the content of different models.
Withdraw Money
Check Balance
Customer
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What Is a Use-Case Realization?
Class DiagramsUse Case
Communication Diagrams
Use-Case Model Design Model
Use Case Use-Case Realization
Sequence Diagrams
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Analysis and Design in an Iterative Process
Iteration n Iteration n + 1
Use Case AScenarios 1 & 2
Use-Case Realization A
Start of iteration
End of iteration
Use Case B Scenario 1
Use-Case Realization A
Use Case AScenario 3
Use-Case Realization B
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Review: Analysis and Design Overview
What is the purpose of the Analysis and Design Discipline?
What are the input and output artifacts? Name and briefly describe the 4+1 Views of
Architecture. What is the difference between Analysis
and Design? What is architecture?
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