有效用例模式Patterns for Effective Use CasesPDF电子书下载

Chapter 1 What Is a Quality Use Case? 1

1.1 Why Use Cases at All? 1

1.2 What's So Hard about Telling Good Stories? 2

1.3 Why a Use Case Pattern Language? 5

1.4 What Are Patterns? 6

1.5 How Should I Use This Pattern Language? 9

1.6 What Is the Use Case Pattern Form? 10

Stepping through a Sample Pattern 11

1.7 Organization of the Pattern Language 19

Development Patterns 19

Structural Patterns 21

1.8 Supplement:A Brief Tutorial on Writing Use Cases 23

Chapter 2 The Team 29

2.1 Team Organizational Issues 30

2.2 Small Writing Team 31

Examples 33

2.3 Participating Audience 35

Examples 37

2.4 Balanced Team 39

Examples 41

2.5 Trade-offs and Collaborations 43

Chapter 3 The Process 45

3.1 Breadth Before Depth 48

Examples 51

Breadth Before Depth and UML,by Dan Rawsthorne 51

3.2 Spiral Development 52

Examples 54

Spiral Development and UML Models,by Dan Rawsthorne 57

3.3 Multiple Forms 58

Examples 60

3.4 Two Tier Review 64

Examples 66

3.5 Quitting Time 68

Examples 71

3.6 Writers License 73

Examples 75

3.7 Trade-offs and Collaborations 75

Chapter 4 The Use Case Set 77

4.1 Shared Clear Vision 80

Examples 82

4.2 Visible Boundary 86

Examples 88

Visible Boundary and UML Models,by Dan Rawsthorne 89

4.3 Clear Cast Of Characters 90

Examples 92

4.4 User Valued Transactions 95

Examples 98

4.5 Ever Unfolding Story 102

Examples 104

Ever Unfolding Story and UML Models,by Dan Rawsthorne 111

4.6 Trade-offs and Collaborations 113

Chapter 5 The Use Case 115

5.1 Complete Single Goal 118

Examples 121

5.2 Verb Phrase Name 122

Examples 123

5.3 Scenario Plus Fragments 125

Examples 128

5.4 Exhaustive Alternatives 129

Examples 131

5.5 Adornments 133

Examples 135

5.6 Precise And Readable 138

Examples 140

5.7 Trade-offs and Collaborations 142

Chapter 6 Scenarios and Steps 145

6.1 Detectable Conditions 148

Examples 150

6.2 Leveled Steps 153

Examples 154

6.3 Actor Intent Accomplished 158

Examples 159

6.4 Forward Progress 162

Examples 163

6.5 Technology Neutral 167

Examples 169

6.6 Trade-offs and Collaborations 171

Chapter 7 Use Case Relationships 173

7.1 Common Sub Behavior 176

Examples 178

Common Sub Behavior and UML,by Dan Rawsthorne 180

7.2 Interrupts As Extensions 182

Examples 184

Interrupts As Extensions and UML,by Dan Rawsthorne 186

Extensions and UML Extension Points 187

7.3 Promoted Alternative 190

Examples 191

Promoted Alternative and UML,by Dan Rawsthorne 195

7.4 Trade-offs and Collaborations 196

7.5 Captured Abstraction—A Pattern for Applying UML Generalization,by Dan Rawsthorne 198

Examples 199

Captured Abstraction and UML 200

Chapter 8 Editing Existing Use Cases 201

8.1 Redistribute The Wealth 204

Examples 206

8.2 Merge Droplets 209

Examples 211

8.3 Clean House 213

Examples 215

8.4 Trade-offs and Collaborations 215

References 217

Photo Credits 219

Index 223