UML Weekend Crash Course™ - To Parent Directory

Contents
xvii
Session 6–Building the Use Case Diagram ....................................................61
Building the Use Case Diagram for the Case Study ......................................61
Step 1: Set the context of the target system .............................................62
Step 2: Identify the actors ....................................................................62
Step 3: Identify the Use Cases ...............................................................63
Step 4: Define the associations between actors and Use Cases ........................64
Step 5: Evaluate the actors and Use Cases to find opportunities for refinement ..65
Step 6: Evaluate the Use Cases for dependencies ........................66
Step 7: Evaluate the Use Cases for dependencies .........................66
Step 8: Evaluate the actors and Use Cases for generalization .........................67
Session 7–Building the Use Case Narrative ...................................................69
Elements of a Use Case Narrative ............................................................69
Assumptions .....................................................................................70
Pre-conditions ...................................................................................70
Use Case initiation .............................................................................71
Dialog .............................................................................................71
Use Case termination ..........................................................................72
Post-conditions ..................................................................................72
Additional narrative elements ...............................................................73
Writing a Use Case Narrative for the Case Study ........................................74
Assumptions in the case study narrative ..................................................75
Pre-conditions in the case study narrative ................................................75
Use Case initiation in the case study narrative ...........................................75
Use Case dialog in the case study narrative ...............................................76
Use Case termination in the case study narrative .......................................77
Post-conditions in the case study narrative ...............................................77
Session 8–Identifying the Use Case Scenarios ..............................................81
Describing Use Case Scenarios ...............................................................81
Why you should care about Use Case scenarios ...........................................82
How to find Use Case scenarios ..............................................................83
Finding Use Case scenarios for the case study ............................................84
Applying Use Case scenarios .................................................................90
Session 9–Modeling the Static View: The Class Diagram .................................93
The Object Model ..................................................................................93
The Class diagram ...............................................................................94
The Object diagram .............................................................................95
Elements of the Class Definition .............................................................95
Modeling an Attribute ...........................................................................95
Attribute visibility .............................................................................96
Creating an attribute specification .........................................................97
Modeling an Operation ..........................................................................98
Elements of an operation specification ....................................................98
Creating an operation specification .........................................................99