Agile Modeling – Effective Practices for Extreme Programming and the Unified Process

<p>Foreword xi</p>
<p>Preface xiii</p>
<p>Part One Introduction to Agile Modeling 1</p>
<p>Chapter 1 Introduction 3</p>
<p>Enter Agile Software Development 6</p>
<p>Agile Modeling 8</p>
<p>The SWA Online Case Study 17</p>
<p>A Brief Overview of this Book 18</p>
<p>Chapter 2 Agile Modeling Values 19</p>
<p>Communication 20</p>
<p>Simplicity 21</p>
<p>Feedback 22</p>
<p>Courage 23</p>
<p>Humility 25</p>
<p>Beyond Motherhood and Apple Pie 26</p>
<p>Chapter 3 Core Principles 27</p>
<p>Software Is Your Primary Goal 28</p>
<p>Enabling the Next Effort Is Your Secondary Goal 28</p>
<p>Travel Light 29</p>
<p>Assume Simplicity 29</p>
<p>Embrace Change 30</p>
<p>Incremental Change 31</p>
<p>Model with a Purpose 31</p>
<p>Multiple Models 32</p>
<p>Quality Work 34</p>
<p>Rapid Feedback 35</p>
<p>Maximize Stakeholder Investment 37</p>
<p>Why Core Principles? 37</p>
<p>Chapter 4 Supplementary Principles 38</p>
<p>Content Is More Important Than Representation 38</p>
<p>Everyone Can Learn from Everyone Else 41</p>
<p>Know Your Models 41</p>
<p>Local Adaptation 42</p>
<p>Open and Honest Communication 42</p>
<p>Work with People s Instincts 42</p>
<p>Benefiting from These Principles 43</p>
<p>Chapter 5 Core Practices 44</p>
<p>Practices for Iterative and Incremental Modeling 45</p>
<p>Practices for Effective Teamwork 52</p>
<p>Practices That Enable Simplicity 56</p>
<p>Practices for Validating Your Work 58</p>
<p>Chapter 6 Supplementary Practices 60</p>
<p>Practices to Improve Your Productivity 61</p>
<p>Practices for Agile Documentation 64</p>
<p>Practices Concerning Your Motivation 68</p>
<p>Really Good Ideas 71</p>
<p>How to Schedule AM Practices on Your Project 72</p>
<p>Chapter 7 Order from Chaos: How the AM Practices Fit Together 73</p>
<p>The Core Practices 73</p>
<p>The Supplementary Practices 76</p>
<p>How the Categories Relate to One Another 77</p>
<p>Chaos and Order: Chaordic 79</p>
<p>Looking Ahead 80</p>
<p>Part Two Agile Modeling in Practice 81</p>
<p>Chapter 8 Communication 83</p>
<p>How Do We Communicate? 84</p>
<p>Factors That Affect Communication 85</p>
<p>Communication and Agile Modeling 86</p>
<p>Effective Communication 87</p>
<p>Chapter 9 Nurturing an Agile Culture 89</p>
<p>Overcome the Misconceptions That Surround Modeling 89</p>
<p>Think Small 95</p>
<p>Loosen Up a Bit 96</p>
<p>Rigidly Support Rights and Responsibilities 97</p>
<p>Rethink Presentations to Project Stakeholders 98</p>
<p>Chapter 10 Using the Simplest Tools Possible? 101</p>
<p>Agile Modeling with Simple Tools? 102</p>
<p>The Evolution of a Model 107</p>
<p>Agile Modeling with CASE Tools 111</p>
<p>Use the Media 115</p>
<p>The Effect of Tools on Models 116</p>
<p>Using the Simplest Tools In Practice 117</p>
<p>Chapter 11 Agile Work Areas 118</p>
<p>Agile Modeling Room 118</p>
<p>Effective Work Areas 122</p>
<p>Making This Work in the Real World 122</p>
<p>Chapter 12 Agile Modeling Teams 124</p>
<p>Recruit a Few Good Developers 124</p>
<p>Recognize That There Is No I in Agile 128</p>
<p>Require that Everyone Actively Participates 130</p>
<p>Model in Teams 130</p>
<p>Making This Work in the Real World 132</p>
<p>Chapter 13 Agile Modeling Sessions 134</p>
<p>Modeling Session Duration 134</p>
<p>Types of Modeling Sessions 136</p>
<p>Participants in Modeling Sessions 138</p>
<p>The Formality of Modeling Sessions 140</p>
<p>How to Make This Work in the Real World 142</p>
<p>Chapter 14 Agile Documentation 143</p>
<p>Why Do People Document? 144</p>
<p>When Does a Model Become Permanent? 147</p>
<p>Chapter 15 The UML and Beyond 168</p>
<p>The UML Is Not Sufficient 169</p>
<p>The UML Is Too Complex 171</p>
<p>The UML Is Not a Methodology or Process 171</p>
<p>Forget about Executable UML (for Now) 172</p>
<p>Making the UMLWork in Practice 173</p>
<p>Part Three Agile Modeling and eXtreme Programming (XP) 175</p>
<p>Chapter 16 Setting the Record Straight 177</p>
<p>Modeling Is a Part of XP 178</p>
<p>Documentation Happens 179</p>
<p>XP and the UML? 181</p>
<p>And the Verdict Is? 183</p>
<p>Chapter 17 Agile Modeling and eXtreme Programming 184</p>
<p>The Potential Fit between AM and XP 185</p>
<p>Refactoring and AM 185</p>
<p>Test–First Development and AM 188</p>
<p>Which AM Practices Should You Adopt? 189</p>
<p>Chapter 18 Agile Modeling Throughout the XP Lifecycle 190</p>
<p>Exploration Phase 191</p>
<p>Planning Phase 192</p>
<p>Iterations to Release Phase 194</p>
<p>Productionizing 196</p>
<p>Maintenance 197</p>
<p>How Do You Make This Work? 198</p>
<p>Chapter 19 Modeling During the XP Exploration Phase 199</p>
<p>Initial Requirements Up Front (IRUF) 199</p>
<p>Metaphors, Architectures, and Spikes 203</p>
<p>Setting the Foundation for Your Project 206</p>
<p>Chapter 20 Modeling During an XP Iteration: Searching for Items 207</p>
<p>The Task 208</p>
<p>Modeling the Physical Database Schema 209</p>
<p>Observations 212</p>
<p>Chapter 21 Modeling During an XP Iteration: Totaling an Order 214</p>
<p>The Task 214</p>
<p>Requirements Modeling to the Rescue 215</p>
<p>Help from an Outside Expert 217</p>
<p>A Quick Design Session 218</p>
<p>Formalizing a Contract Model 220</p>
<p>What about Changes in the Future? 220</p>
<p>Observations 222</p>
<p>How to Make This Work in the Real World 222</p>
<p>Part Four Agile Modeling and the Unified Process 223</p>
<p>Chapter 22 Agile Modeling and the Unified Process 225</p>
<p>How Modeling Works in the Unified Process 226</p>
<p>How Good Is the Fit? 227</p>
<p>Choose To Be Agile 231</p>
<p>Chapter 23 Agile Modeling throughout the Unified Process Lifecycle 232</p>
<p>The Modeling Disciplines 232</p>
<p>Non–Modeling Disciplines 242</p>
<p>How Do You Make This Work? 245</p>
<p>Chapter 24 Agile Business Modeling 246</p>
<p>A Business/Essential Use Case Model 247</p>
<p>A Simple Business Object Model 248</p>
<p>An Agile Supplementary Business Specification 249</p>
<p>A Business Vision 252</p>
<p>How to Make This Work in Practice 253</p>
<p>Chapter 25 Agile Requirements 254</p>
<p>The Context Model 255</p>
<p>Use Case Model 258</p>
<p>Use Case Story Board 262</p>
<p>Supplementary Specification 265</p>
<p>How to Make This Work in Practice 267</p>
<p>Chapter 26 Agile Analysis and Design 269</p>
<p>Rethinking Analysis and Design Models in the UP 270</p>
<p>Architectural Modeling 272</p>
<p>Creating Use Case Realizations 277</p>
<p>Time to Update Our Use Case? 281</p>
<p>Time to Use a CASE Tool? 284</p>
<p>Design Class Modeling 284</p>
<p>Data Modeling 287</p>
<p>Embracing Change 290</p>
<p>How Does This Work in Practice? 291</p>
<p>Chapter 27 Agile Infrastructure Management 292</p>
<p>Infrastructure Models 293</p>
<p>Infrastructure Modeling 294</p>
<p>Setting Modeling Standards and Guidelines 297</p>
<p>Core Infrastructure Teams 299</p>
<p>Scaling AM with Core Architecture Teams 301</p>
<p>How to Make This Work in the Real World 302</p>
<p>Chapter 28 Adopting AM on an UP Project 304</p>
<p>How Does This Work? 308</p>
<p>Part Five Looking Ahead 309</p>
<p>Chapter 29 Adopting Agile Modeling or Overcoming Adversity 311</p>
<p>Evaluate the Fit 312</p>
<p>Keep It Simple 315</p>
<p>Overcome Organizational and Cultural Challenges 316</p>
<p>Consider Alternatives to Full Adoption of AM 324</p>
<p>How to Make This Work in Practice 324</p>
<p>Chapter 30 Conclusion: Choose to Succeed 325</p>
<p>Common Misconceptions Regarding Agile Modeling 325</p>
<p>When Is(n t) it Agile Modeling? 326</p>
<p>Agile Modeling Resources 328</p>
<p>A Few Parting Thoughts . . . 329</p>
<p>Appendix A Modeling Techniques 330</p>
<p>Glossary of Definitions and Abbreviations 358</p>
<p>References and Suggested Reading 369</p>
<p>Index 375</p>