UML Iterations

Table of Contents 

 

1. The Whole Book in One Chapter

 ..

1
1.1. Three Threads
2
1.2. Design of Classes
2
1.3. Integration of Tools
3
1.4. How the UML Methods Fit Together
7
1.5. Best Practices
9
1.6. Iteration
12

2. A Quick Introduction to Objects and Classes

14
2.1. Objects
14
2.2. Naming Convention
15
2.3. Classes
17
2.4. Class Stereotypes
17

3. A Quick Introduction to Class Diagrams

20
3.1. Association
20
3.2. System Conditions And Association
21
3.3. Multiplicity
21
3.4. System Conditions And Multiplicity
22
3.5. Aggregation
23
3.6. Reflexive Associations
25
3.7. Association Labelling
26
3.8. Some Exercises With Class Association
28
3.9. Association Diagram Themes
29
3.10. Generalization (Inheritance)
30
3.11. Going Beyond Class Diagram Notation
31

4. Scenario Analysis: Scenarios Per Se

32
4.1. Scenario Basics
32
4.2. Scenarios Plus Other Techniques
33
4.3. Analysis Meetings
33
4.4. The Standard Format of a Scenario
34
4.5. The Standard Content of a Scenario
35
4.6. Scenarios and Objects
37
4.7. Actors and User Interface Archetyping
38
4.8. Error Scenarios Deferred
39
4.9. Cost-Justifying Scenario Analysis
39
4.10. How Many Scenarios Per Display?
40
4.11. Scenario Size Guidelines
41
4.12. Scenario Quality Features
42
4.13. A Scenario Writing Exercise
44
4.14. An Answer For the Scenario Exercise
45

5. Scenario Analysis: Coverage

49
5.1. Work Breakdown For Any Business
50
5.2. Preview of the Work Breakdown Process
51
5.3. Case Study Work Breakdown
53
5.4. Lessons Learned From The Example
63
5.5. Completing the Work Breakdown
64
5.6. Documenting the Work Breakdown
65
5.7. Coordinating The Project With The WBS
66
5.8. A Scenario Work Breakdown Exercise
67

6. Interface Archetypes

68
6.1. Interface-Driven Analysis
68
6.2. Data-Driven Analysis
69
6.3. Visual Interface Archetypes
70
6.4. Effects On Scenarios
70
6.5. Case Study: Check Out Page Archetype
71
6.6. Interfaces and Boundary Objects
74

7. Sequence Diagrams In Analysis

77
7.1. Basic Sequence Diagram Notation
77
7.2. Translating The First Scenario
80
7.3. Finding Objects With Noun Filters
83
7.4. Classes And Attributes From The Noun Filter
90
7.5. Operations And Attributes From The Sequence Diagram
90
7.6. Sequence Diagram Exercise: Attributes And Operations
92
7.7. Class Relationships From The Sequence Diagram
92
7.8. Class Relationships Exercise
93
7.9. Two Standard Class Diagrams For The Use Case
94
7.10. "Including" Other Sequences in a Diagram
96
7.11. Answers For Exercises In This Chapter
97

8. Sequence Diagram Techniques

99
8.1. Deployment (Choice of Assumptions)
 99
8.2. Layering in Sequence Diagrams
103
8.3. The Layered Checkout Sequence Diagram
108
8.4. Introducing Controls Into The Design
110
8.5. Analyzing Multiplicity
116
8.6. Using Collaboration Diagrams
120
8.7. Answers For Exercises In This Chapter
121

9. The Use Case Model & More On Actors

123
9.1. Relationship Between Use Case & Scenario
123
9.2. Use Case Diagrams: A Complete System Model
124
9.3. Drawing The Actors & Use Cases Diagram
125
9.4. Drawing The Use Case Relationships Diagram
127
9.5. Re-Thinking The Actors
131
9.6. System Clock Actor
132
9.7. Internal Systems Actors
133
9.8. External Systems Actors
134
9.9. Adding A Non-Human Actor To The System Model
135
9.10. Special Problems With The Sequence Diagram
142
9.11. Combined Use Case Analysis Techniques
147
9.12. Business Analysis vs. System Analysis
148
9.13. Exercise: Adding Non-Human Actors To The Model
148

10. Modelling The Use Case Interior

149
10.1. Sequential Logic Networks In Words
149
10.2. Use Case: A Sequential Logic Network
149
10.3. The Use Case Description; Format & Content
150
10.4. A Use Case Writing Exercise
155
10.5. Drawing Activity Diagrams (Statecharts)
155
10.6. State; Events; Activity
156
10.7. Using Activity Diagram Elements
158
10.8. Mapping Use Case Description Sections To Diagram Elements
160
10.9. Relations Between The Use Case And Scenarios
165
10.10. The Use Case Document Format
170
10.11. Use Case Development Exercises
170

11. Handling Errors

171
11.1. A Preview Of The Method
171
11.2. "Happy Day" And Error Scenarios
172
11.3. A Simple Error Scenario
172
11.4. Effects Of Errors On The Example Use Case
174
11.5. Error References
178
11.6. Error Flows
178
11.7. Analysis Of The Error Flow
180
11.8. The Use Case: Handle Work-Stopping Errors
184

12. Analysis Of Error Coverage

187
12.1. Input; Hardware; And Subsystems Errors
187
12.2. Work-Stopping Vulnerabilities
188
12.3. Failure vs. State
189
12.4. Interface Error Responses
190
12.5. Spontaneous Interface Errors
191
12.6. Failures To Respond
191
12.7. Vulnerabilities By Actor/Failure/State
193
12.8. States Of The Handle Work-Stopping Errors Use Case
194
12.9. Completing The Error Coverage Analysis
195
12.10. How Error Breakdown Affects Documentation
197
12.11. Exercise: Adding Failure Event Types
197
12.12. One Is Never Sure
197

13. Adding Error Handling To The System

199
13.1. Error Handling Analysis And Design
199
13.2. Variations In Error Handling
199
13.3. Alternative Reactions To Errors
199
13.4. The Error Policy
199
13.5. Bug Recovery
201
13.6. Practical Philosophy Of Errors
201

14. Higher; Farther; Wider; Deeper
203
14.1. Generalization (Inheritance)
203
14.2. Iteration Strategies & Planning
203
14.3. Extra Class Properties (Persistence; Friendships...)
203
14.4. Three-Tiered Architecture
203
14.5. Components And Packages
203
14.6. State & The Tick
203
14.7. Unified Process
203

15. Summary Of Recommendations For Analysis & Design

204
 
  

Example Work Breakdown Scenarios Document

  

1. The System Work Breakdown

1

2. Scenario Template

2
2.1. <Use Case Name> Use Case Scenarios
2

3. Acquisitions Business Unit Scenarios

3
3.1. Add New Catalog Item Use Case Scenarios
3

4. Administration Business Unit Scenarios

3
4.1. Manage Employees Use Case Scenarios
3

5. Circulation Business Unit Scenarios

4
5.1. Check In Items Use Case Scenarios
4
5.2. Check Out Items Use Case Scenarios
24
5.3. Find Overdue Items Use Case Scenarios
32
5.4. Pay A Fine Use Case Scenarios
34
5.5. Register Borrower Use Case Scenarios
34
5.6. Renew Item Use Case Scenarios
34
5.7. Reserve Items Use Case Scenarios
34
5.8. Shelve Items Use Case Scenarios
34
5.9. Handle Work-Stopping Errors Use Case Scenarios
35

6. Reference Business Unit Scenarios

36
6.1. Search Holdings Use Case Scenarios
36
6.2. Search Reference Documents Use Case Scenarios
36
 
  

Example Use Case Descriptions Document

  

7. The System Work Breakdown

2
7.1. Template: Use Case Name Use Case
3

8. Acquisitions Business Unit

6

9. Administration Business Unit

6
9.1. Manage Employees Use Case
6

10. Circulation Business Unit

7
10.1. Use Case Diagrams
7
10.2. Check In Items Use Case
8
10.3. Check Out Items Use Case
14
10.4. Find Overdue Items Use Case
18
10.5. Pay A Fine Use Case
18
10.6. Register Borrower Use Case
18
10.7. Renew Item Use Case
18
10.8. Reserve Items Use Case
18
10.9. Shelve Items Use Case
18
10.10. Handle Work-Stopping Errors Use Case
19

11. Reference Business Unit

22
11.1. Search Holdings Use Case
22
11.2. Search Reference Documents Use Case
22