Rational Rose

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Rational Rose

• Jump Start Tutorial

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Overview
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Designing Complex Systems

• Three big steps in designing complex systems
• Abstract the system by building models
• Verify the model to satisfy requirements
• Transform models into implementation

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What Rational Rose does?

• Build visual models to analyze and design
  components
• The models acts as a blueprint of the software
  system
• Uses the UML Standard

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Features
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Types of Diagrams

• Use Case Diagram
• Class Diagram
• Data Model Diagram
• State Machine Diagram
• Interaction Diagram
• Component Diagram
• Deployment Diagram

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Use Case Diagram

• A high-level view of how a system is used
• Specify the behavior of a system as implemented

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Use Case Diagram

• Use Case
• A sequence of events performed by the system

• Actor
• A system user who interact with the system

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Creating a Use Case Diagram
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Rational Software
Programs
Rational Rose Enterprise Edition
Start Menu
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Click Cancel
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Expand Use Case View
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Right-click Use Case View
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Choose New -gt Actor
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Type in LibraryUser
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Right-click Use Case View
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Choose New -gt Use Case
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Name it Check Book Availability
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Do the same to add a Librarian Actor, Use
Cases Checkout Book Renew Book Reserve
Book Re-shelf Book Return Book
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Right-click the Main Use Case Diagram, Click
Rename, and type in Library Transactions
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Double-click Library Transaction to bring up the
Use Case Diagram
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Maximize the Use Case Diagram
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Drag LibraryUser and Librarian to the Use Case
Diagram
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Likewise, drag all the Use Cases to the
diagram one by one
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Click the Unidirectional Association arrow (solid
line arrow)
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Click and hold the mouse click on LibraryUser,
drag it over to Return Book, then release the
mouse
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Return Book Use Case is then associated to
Library User. Do the same to create Association
arrows as shown in the diagram.
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Click the Dependency arrow (dotted line arrow)
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Drag from Reserve Book to Check Book Availability
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Right click the Dependency arrow
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Choose Open Specification
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Open the drop down box
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Choose Include
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Then click OK
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Drag ltltincludegtgt above the arrow
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Class Diagram

• Contain icons representing classes, interfaces
  and their relationship

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Class Diagram

• Class name
• Attributes
• Operations

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Creating a Class Diagram
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Right click Use Case View
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Choose New -gt Class Diagram
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Name it LibraryClasses
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Double-click LibraryClasses and maximize the
diagram
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Right click Use Case View
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Choose New -gt Class
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Name it Book
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Do the same and create these classes
Patron Student Faculty
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Drag them into the class diagram
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Right-click Book, Select New Attribute
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Name it Title
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Add the remaining attribute Author ISBN Publisher
Status
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Right-click Book, Select New Operation
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Name it isAvailable
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Enter the rest of the attributes and operations
as shown in the diagram
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Click the Generalization arrow
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Drag it from Student to Patron
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Do the same for Faculty
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Drag the arrow head of the Faculty class arrow of
the Student class
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We have built an inheritance tree