Next: Static Modelling: Classes, Objects, Up: Introduction to Software Engineering: Previous: Lecture 1 Exercises:

Lecture 2: Classes, Objects, Packages and Corresponding Diagrams

Static Modelling: Classes, Objects, Packages, Diagrams
- Commentary
Classes
Commentary: Class
Commentary: Finding classes
Commentary: Class Name
Commentary: Class Attributes
Commentary: Operations
Commentary: Type
Example Structure of Class Course
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Creating Operations
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Example: Car Class Details
Example Class: Class Car
Example: Invoice Class Details
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Documenting Attributes & Operations
Example Class Diagram: Class Documentation
Stereotype Classes
Entity Class: StudentInformation Class & Specification
Template Example: Class Instantiation by name and by Refinement
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Class Relationships
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Association
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Naming Relationships
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Multiplicity Indicators
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Association Role Name at one end
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Association Role Name at both ends
Navigable Association
Aggregation
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Shared Aggregation
Composition Aggregation
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Composition Aggregation: One solid Diamond for each Part
Composition Aggregation: One solid diamond and Parts tree
Composition Aggregation: Parts inside whole class
Composition Aggregation: Two or more parts
Qualified Association
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Or-Association
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Ordered Association
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Reflexive Relationships: Recursive Association
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Recursive Association
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Recursive Association of Courses & Prerequisites
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Association Class
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Ternary Association
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Class Diagrams
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Example: A class diagram to model an Insurance Business
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Example Class Diagram: Order
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Example: Order with navigability
Object Diagram
Example Object Diagram with Roles
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Example Class Diagram: Object Diagram (Bob's Computer)
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Interfaces
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Packages: Example
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Package Classes: Example
Package Classes: Example
Example Packages: Class Dependence on Package Interface
Package Relationships
Commentary
Example Packages: Subsystem Dependence
Example Packages: Subsystem Importing
Example Packages: Subsystem Generalisation and Dependence
Generalisation (Inheritance) Relationships
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Example: Vehicles
Inheritance Relationship: Vehicle Tree
Inheritance Relationship: Vehicle Hierarchy
Inheritance Relationship: Vehicle abstract, with abstract ops.
Commentary
Inheritance Relationship: Person assoc. drive with Vehicle
Example: Hierarchy with attribs. and assocs. for children
Inheritance Relationship with class attribs. and assocs.
Example: Hierarchy with relocated attribs. and opers.
Inheritance Relationship with reallocated attribs. and ops.
Inheritance vs Aggregations
Example: Inheritance vs Aggregate Contd.
Inheritance vs Aggregation
Constraint Generalisations: Inheritance Constraints
Constraint Generalisations: Alternative Inheritance Constraints
Class Diagrams: Overlapping
Disjoint Generalisation
Complete Generalisation: No other Sub-class
Dependency Relationship
Refinement Relationship
Commentary
Derived Association
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Constraint Association
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Constraint Attribute
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Derived Attribute
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Lecture 3: Sequences, Collaborations, Activities, States, and corresponding Diagrams
Sequences, Collaborations, Activities, States and Diagrams
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Sequence Diagrams
Sequence Diagrams Cont'd.
Example: Printer Service
Example: Use of Label for Time Constraint
Example: Use of Label for Iteration
Example: Recursion
Example: Creating a Course
Example: Add a Course Offering
Example: Order Sequence
Example: Transaction Sequence
Example: Transaction Check
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Collaboration Diagram
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Message Flow: message label syntax
Message Flow: message label syntax (cont'd.)
Links
Lifetime of Object
Example: Print Service
Example: Iteration and Return value
Example: Elevator - Calling a Lift by pressing a button
Example: Elevator - Explanation
Example: Summarising Sales Result
Example: Sales Result Explanation
Example: Add A Student
Example: Add A Student Explanation
Example: Add a Course Offering
Example: Add Course Offering Explanation
Example: Create A Course
Example: Create A Course Explanation
Example: Orders with Simple Numbering
Example: Orders Simple Numbering Explanation
Activity Diagrams
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Transitions
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Activity Diagram: Concurrent actions
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Activity Diagram: Swim Lanes
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Activity Diagram: Using Objects with Activity Diagram
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Activity Diagram: Passing Signals in Activity Diagram
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Activity Diagram: Receiving An Order
Activity Diagram: Receiving A Supply
Activity Diagram: Swim Lane for Order Processing
Activity Diagram: Decomposing Activity Diagram
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State
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State Activities
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State Transitions without Events
Transitions
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Events for a transition: 4 kinds
State Diagrams
Example State Diagram: Invoice
Example States: CourseOffering
Example Transition: Add Student/Set Count=0
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Example Transitions: CourseOffering
Example State Diagram: CourseOffering
Sending message between State Diagrams
Sending Messages to States
Commentary
Signals & States
Or State
And State
Install State
Order Processing
Order Processing with Cancellation
Order Processing with SuperState
Authorising Order
Concurrent States in Order Processing
Lecture 4: Components, Deployment, Collaborations, Patterns, Frameworks
Components, Deployment, Patterns, Frameworks
Architectural Views
Logical View
Logical View of Package in Course Registration
Logical View of Package in Course Registration
Component View & Diagrams
Component Name, Tagged Value, Realized Interfaces
Component and Classes
Components and Interfaces
Components and Interfaces Cont'd.
Binary Replaceability
Kinds of Components
Component View of Package in Course Registration
Software Components of University Class
Process View of Lecturer Executables
Process View of Lecturer Executables
Deployment View of Course Registration
Collaboration
Patterns and Frameworks
Design Patterns
Mechanisms
Architectural Patterns - Frameworks
Frameworks

Ananda Amatya
11/3/1999