TABLE OF CONTENTS
Use Cases Within the UP 75
Case Study: Use Cases in the NextGen Inception Phase 79
Further Readings 79
UP Artifacts and Process Context 81
7 Identifying Other Requirements 83
NextGen POS Examples 84
NextGen Example: (Partial) Supplementary Specification 84
Commentary: Supplementary Specification 88
NextGen Example: (Partial) Vision 91
Commentary: Vision 93
NextGen Example: A (Partial) Glossary 98
Commentary: Glossary (Data Dictionary) 99
Reliable Specifications: An Oxymoron? 100
Online Artifacts at the Project Website 101
Not Much UML During Inception? 101
Other Requirement Artifacts Within the UP 101
Further Readings 104
UP Artifacts and Process Context 105
8 From Inception to Elaboration 107
Checkpoint: What Happened in Inception? 108
On to Elaboration 109
Planning the Next Iteration 110
Iteration 1 Requirements and Emphasis: Fundamental OOA/D Skills 112
What Artifacts May Start in Elaboration? 118
You Know You Didn't Understand Elaboration When... 114
PART
III
ELABORATION ITERATION
1
9 Use-Case Model: Drawing System Sequence Diagrams 117
System Behavior 118
System Sequence Diagrams 118
Example of an SSD 119
Inter-System SSDs 120
SSDs and Use Cases 120
System Events and the System Boundary 120
Naming System Events and Operations 121
Showing Use Case Text 122
SSDs and the Glossary 122
SSDs Within the UP 123
Further Readings 124
UP Artifacts 125
10 Domain Model: Visualizing Concepts 127
Domain Models 128
Conceptual Class Identification 132
Candidate Conceptual Classes for the Sales Domain 136
Domain Modeling Guidelines 137
Resolving Similar Conceptual Classes—Register vs. "POST" 139
Modeling the Unreal World 140
Specification or Description Conceptual Classes 140
UML Notation, Models, and Methods: Multiple Perspectives 144
Lowering the Representational Gap 146
Example: The NextGen POS Domain Model 148
Domain Models Within the UP 148
Further Readings 150
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