Utilization cases II Use Case depiction .


23 views
Uploaded on:
Description
3510 Systems Analysis
Transcripts
Slide 1

Asper School of Business University of Manitoba Systems Analysis & Design Instructor: Bob Travica Use Case depiction Updated: October 2013

Slide 2

Outline Concept of Use Case Description Levels of Use Case Description Reading and composing Use Case Descriptions 3510 Systems Analysis & Design * Bob Travica

Slide 3

Use Case Diagram of the Customer Support System Use Cases assembled into framework modules Maintain Catalog Note: Same on-screen character communicates with various modules 3510 Systems Analysis & Design * Bob Travica

Slide 4

Use Case Description Complements Use Case Diagram A breakdown of a solitary utilize case (e.g., succession of steps incorporated into the capacity "Look into thing accessibility"); prepare rationale incorporated into complexity to Use Case Diagram, Use Case Description catches varieties of a Use Case Example: "Make new request" should be possible by means of phone+clerk and through Internet requesting – 2 situations 3510 Systems Analysis & Design * Bob Travica

Slide 5

* UC=Use Case Level of Use Case Description Three levels of detail: UC* Brief portrayal Summary of what framework does in light of performing artist\'s activities UC Intermediate depiction Shows ventures being used case, if-then UC Full portrayal Includes Brief depiction, extends transitional portrayal, demonstrates situations 3510 Systems Analysis & Design * Bob Travica

Slide 6

Brief Description of Create New Order Use Case Same portrayal that is generally caught in beginning Use Case Diagrams ("winged animal\'s view" of framework) 3510 Systems Analysis & Design * Bob Travica

Slide 7

Intermediate Use Case Description Telephone Order Scenario for Create New Order Use Case 3510 Systems Analysis & Design * Bob Travica

Slide 8

Full Use Case Description Superset of middle of the road and brief depictions (contains these) Consists of 11 compartments (we will utilize a few) Shows steps ("Flow of Events") separated to the on-screen character and the framework side – helpful! 3510 Systems Analysis & Design * Bob Travica

Slide 9

Full Use Case Description Telephone Order Scenario for Create New Order Use Case Computer System, Computer (steps encoded in programming) 3510 Systems Analysis & Design * Bob Travica

Slide 10

Reading and Writing Use Case Descriptions Reading: Straightforward Writing: We won\'t utilize it much Useful to hone since it prompts to other displaying strategies (movement chart, class outline) 3510 Systems Analysis & Design * Bob Travica

Slide 11

Writing Use Case Descriptions Select an utilization case Write shortened full depiction (Use case name, Scenario (assuming any), Business Event, Actors, Flow of steps, Exception conditions) For figuring Flow of steps, -Keep as a main priority general framework show: Input-Processing-Output -Steps ought to be at almost a similar level of reflection (each gains about same ground toward utilize case fulfillment) For figuring special case conditions, concentrate on if-then rationale. 3510 Systems Analysis & Design * Bob Travica

Recommended
View more...