Object models : strategies, patterns and applications / Peter Coad with David North and Mark Mayfield.

CONTENIDO
Preface xii
Applications xiii
Strategies and Patterns xiv
Why read this book? xv
Automated Tool, Included on Diskette xvi
Additional Strategies and Patterns xvii
Creativity and Innovation xviii
1. Connie's Convenience Store (A Point-of-Sale Application)
Getting Started 1
In This Chapter 1
Identifying System Purpose and Features 2
Selecting Objects 5
Selecting Problem-Domain Objects 7
Applying Patterns: Select and Organize Problem-Domain Objects 18
Establishing Responsibilities For Problem-Domain Objects 29
Applying Patterns: Establish Problem-Domain Responsibilities 55
Working Out Problem-Domain Dynamics With Scenarios 60
Selecting Human-Interaction Objects 66
Establishing Human-Interaction Responsibilities 69
Working Out Human-Interaction Dynamics With Scenarios 72
Selecting System-Interaction Objects 81
Establishing System-Interaction Responsibilities 83
Working Out System-Interaction Dynamics With Scenarios 85
Selecting Data- Management Objects and Responsibilities 86
Working Out Data-Management Dynamics With Scenarios 88
Progress At This Point 90
Wrap-Up 96
2. Wally's Warehouse (A Warehouse Application) 97
Identifying System Purpose and Features 98
Identify System Features 101
Selecting Problem-Domain Objects 101
Applying Patterns: Select and Organize Problem-Domain Objects 105
Establishing Responsibilities For The Problem-Domain Objects 114
Working Out Problem-Domain Dynamics With Scenarios 128
Selecting Human-Interaction Objects and Responsibilities 133
Working Out Human-Interaction Dynamics With Scenarios 134
Selecting Data-Management Objects and Responsibilities 142
Selecting System-Interaction Objects and Responsibilities 143
Progress At This Point 143
Wrap-Up 149
3. Ollie's Order Center (An Order-Entry Application) 151
Getting Started 151
Identifying System Purpose and Features 152
Selecting Objects 156
Selecting Problem-Domain Objects 158
Reuse, Reuse, Reuse 160
Establishing Responsibilities For Problem-Domain Objects 165
Working Out Problem-Domain Dynamics With Scenarios 182
Selecting Human- Interaction Objects 183
Establishing Human-Interaction Responsibilities 184
Working Out Human-Interaction Dynamics With Scenarios 185
Selecting System Interaction Objects 187
Establishing System-Interaction Responsibilities 188
Working Out System-Interaction Dynamics With Scenarios 189
Selecting Data-Management Objects and Responsibilities 189
Working Out Data-Management Dynamics With Scenarios 190
Progress At This Point 192
Wrap-Up 196
4. Dani's Diverters (A Soft Real-Time Conveyance Application) 197
Identifying System Purpose And Features 197
Activities, Activities, Activities 202
Selecting Problem-Domain Objects 203
Applying Patterns: Organize Problem-Domain Objects 207
Working Out Problem-Domain Dynamics With Scenarios 211
Selecting Human Interaction Objects 222
Selecting System-Interaction Objects 223
Selecting Data-Management Objects And Responsibilities 224
Establishing Responsibilities 224
Real-Time System Considerations 230
Progress At This Point 238
Wrap-Up 241
5. Andi's Autopilot (A Hard Real-Time Control Application) 243
Identifying System Purpose And Features 243
Selecting Objects 244
Selecting Problem-Domain Objects 250
Working Out The Model 257
Working Out Problem-Domain Dynamics With Scenarios 266
Selecting Human- Interaction Objects 281
Establishing Human-Interaction Responsibilities 281
Working Out Human-Interaction Dynamics With Scenarios 281
Selecting Data-Management Objects 282
Selecting System-Interaction Objects 282
Establishing System-Interaction Responsibilities 282
Working Out System- Interaction Dynamics With Scenarios 283
Progress At This Point 284
Wrap-Up 288
6. All Five Applications, At High Speed 289
The Power Of Patterns 289
Patterns, Supported by Strategies 290
Connie's Convenience Store (A Point-of-Sale Application) 291
Wally's Warehouse (A WAREHOUSE APPLICATION) 309
Ollie's Order Center (An Order-Entry Application) 335
Dani's Diverters (A Soft Real-Time Application) 359
Andi's Auto-Polot (A Hard Real-Time Application) 368
Wrap-Up 380
Congratulations! 380
7. Strategies And Patterns Handbook 381
Strategies For Building Object Models 381
Patterns For Building Object Models 422
Epilog 447
A. Notation 451
Critical Success Factors 451
The Icons 451
The Connections 453
A Business Example 454
A Real-Time Example 456
Scenario Views 456
Object-Model Components 459
Other Notations, Not Included (And Why) 460
Wrap-Up 462
B. Patterns In Other Fields 463
C. Data Management 471
DM Objects: What, When, Why 471
PD And DM Objects 472
HI And PD Objects 472
Details On DM Objects 472
Implementation Notes 476
WRAP-UP 479
D. The Executive Decision to Adopt Object Technology 481
Significant Improvements With Object Technology 481
Why Executives Adopt Object Technology 484
How To Get Started With Object Technology 485
E. A Histogram of Initial Object Modeling 489
Glossary 491
Bibliography 497
Software Development 497
Patterns In Other Fields 498
Other Publications 498
Related Publications By The Authors 498
Index 499