applying uml in the unified processuml.org.cn/umlapplication/pdf/uniproc1.pdf · the unified...
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Applying UML inApplying UML inThe Unified ProcessThe Unified Process
Ivar JacobsonIvar JacobsonRational SoftwareRational Softwareemail: email: ivar ivar @[email protected]
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Before the UML
�� 1960’s - 70’s1960’s - 70’s� COBOL, FORTRAN, C� Structured analysis and design techniques
�� 1980’s - early 1990’s1980’s - early 1990’s� Smalltalk, Ada, C++, Visual Basic� Early generation OO methods
�� Mid/late 1990’sMid/late 1990’s� Java� UML� Unified Process
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Models and Diagrams
Use CaseDiagramsUse Case
DiagramsUse CaseDiagrams
ScenarioDiagramsScenario
DiagramsCollaborationDiagrams
StateDiagramsState
DiagramsComponentDiagrams
ComponentDiagramsComponent
DiagramsDeploymentDiagrams
StateDiagramsState
DiagramsObjectDiagrams
ScenarioDiagramsScenario
DiagramsStatechartDiagrams
Use CaseDiagramsUse Case
DiagramsSequenceDiagrams
StateDiagramsState
DiagramsClassDiagrams
ActivityDiagrams
A model is a completedescription of a systemfrom a particularperspective
Models
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Team-Based Development
But, the UML Is Not Enough
Modeling Language
Unified Process
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Creating the Unified Process
Functional testingPerformance testingRequirements mgmtConf. and change mgmtBusiness engineeringData engineeringUI design
Rational Unified Process 5.01998
Rational Objectory Process 4.11996-1997
Objectory Process 1.0-3.81987-1995
The Ericsson Approach
The Rational Approach UML
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New or changed
requirements
New or changed
system
Software EngineeringProcess
What Is a Process?
�� DefinesDefines Who is doing What, When to do it, and Howto reach a certain goal.
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Overview of the Unified Process
�� The Unified Process isThe Unified Process is� Iterative and incremental� Use case driven� Architecture-centric
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Lifecycle Phases
time
Inception Elaboration Construction Transition
� Inception Define the scope of the project and Define the scope of the project and develop business casedevelop business case
� Elaboration Plan project, specify features, and Plan project, specify features, and baseline the architecturebaseline the architecture
� Construction Build the productBuild the product� Transition Transition the product to its usersTransition the product to its users
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Major Milestones
time
Vision Baseline Architecture
InitialCapability
Product Release
Inception Elaboration Construction Transition
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Phases and Iterations
An iteration is a sequence of activities with an established plan andevaluation criteria, resulting in an executable release
ArchIteration
... Dev Iteration
Dev Iteration
... TransIteration
...
Release Release Release Release Release Release Release Release
PrelimIteration
...
Inception Elaboration Construction Transition
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Iterations and Workflow
P re lim in a ryIte ra tio n (s)
ite r.# 1
ite r.# 2
ite r.# n
ite r.#n + 1
ite r.# n +2
ite r.# m
ite r.#m +1
Inception Elaboration Construction Transition
Ite ra t io n s
PhasesCore Workflows
An iteration in theelaboration phase
Requirements
Design
Implementation
Test
Analysis
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Workflows and Models
Requirements
Design
Implementation
Test
Analysis
Use CaseModel
DesignModel
Depl.Model
Impl.Model
AnalysisModel
TestModel
UML diagrams provideviews into each model
Each workflow isassociated with one ormore models.
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Use Case ModelUse CaseDiagrams
CollaborationDiagrams
ComponentDiagrams
DeploymentDiagrams
ObjectDiagrams
StatechartDiagrams
SequenceDiagrams
ClassDiagrams
ActivityDiagrams
Use CaseModel
DesignModel
Depl.Model
Impl.Model
AnalysisModel
TestModel
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Analysis & Design ModelUse CaseDiagrams
CollaborationDiagrams
ComponentDiagrams
DeploymentDiagrams
ObjectDiagrams
StatechartDiagrams
SequenceDiagrams
ClassDiagrams
ActivityDiagrams
Use CaseModel
DesignModel
Depl.Model
Impl.Model
AnalysisModel
TestModel
Incl. subsystemsand packages
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Deployment and Implementation ModelUse CaseDiagrams
CollaborationDiagrams
ComponentDiagrams
DeploymentDiagrams
ObjectDiagrams
StatechartDiagrams
SequenceDiagrams
ClassDiagrams
ActivityDiagrams
Use CaseModel
DesignModel
Depl.Model
Impl.Model
AnalysisModel
TestModel
Incl. active classesand components
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Test ModelUse CaseDiagrams
CollaborationDiagrams
ComponentDiagrams
DeploymentDiagrams
ObjectDiagrams
StatechartDiagrams
SequenceDiagrams
ClassDiagrams
ActivityDiagrams
Use CaseModel
DesignModel
Depl.Model
Impl.Model
AnalysisModel
TestModel
Test model refers toall other models anduses correspondingdiagrams
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Use Case Driven
Req.ts Impl. Test
Use Cases bind these workflows together
Analysis Design
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Use Cases Drive Iterations
�� Drive a number of development activitiesDrive a number of development activities� Creation and validation of the system’s architecture� Definition of test cases and procedures� Planning of iterations� Creation of user documentation� Deployment of system
�� Synchronize the content of different modelsSynchronize the content of different models
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Architecture-Centric
�� Models are vehicles for visualizing, specifying,Models are vehicles for visualizing, specifying,constructing, and documenting architectureconstructing, and documenting architecture
�� The Unified Process prescribes the successiveThe Unified Process prescribes the successiverefinement of an executable architecturerefinement of an executable architecture
time
Architecture
Inception Elaboration Construction Transition
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Architecture and Models
Architecture embodies a collection of views of the models
Views
Models
Use CaseModel
DesignModel
Depl.Model
Impl.Model
TestModel
AnalysisModel
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Function versus Form
Use cases Architecture
• Use case specify function; architecture specifies form• Use cases and architecture must be balanced
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The Unified Process is Engineered
Describe a Use Case
Use case package
Use case
responsible for
Analyst
Artifact
A piece of information that isproduced, modified, or usedby a process
Worker
A role played by anindividual or a team
Activity
A unit of work
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The Unified Process is a Process Framework
There is NO Universal Process!• The Unified Process is designed for flexibility and extensibility
» allows a variety of lifecycle strategies» selects what artifacts to produce» defines activities and workers» models concepts
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Two Parts of a Unified Whole
The UnifiedModelingLanguage
The UnifiedProcess
• Convergencein the future
• Convergencethroughprocessframeworks
• OMGstandard