
Silverston ftoc.tex V2 - 11/26/2008 6:50pm Page xx
xx Contents
Status Type with Multi Rollup and Rules Pattern 286
Why Do We Need This Pattern? 286
HowDoesThisPatternWork? 287
When Should This Pattern Be Used? 293
What Are the Weaknesses of the Pattern? 294
Synopsis 294
Summary of Patterns 294
References 301
Chapter 7 Contact Mechanisms: How to Get in Touch 303
What Is the Significance of This Type of Pattern? 303
What Is in This Chapter? 304
What Is a Contact Mechanism? 305
Level 1 Contact Mechanism Pattern 308
Why Do We Need This Pattern? 309
HowDoesThisPatternWork? 310
When Should This Pattern Be Used? 321
What Are the Weaknesses of the Pattern? 322
Synopsis 323
Level 2 Contact Mechanism Pattern 324
Why Do We Need This Pattern? 325
HowDoesThisPatternWork? 325
When Should This Pattern Be Used? 342
What Are the Weaknesses of the Pattern? 343
Synopsis 344
Level 3 Contact Mechanism Pattern 345
Why Do We Need This Pattern? 346
HowDoesThisPatternWork? 346
When Should This Pattern Be Used? 361
What Are the Weaknesses of the Pattern? 361
Synopsis 362
Level 4 Contact Mechanism Pattern 364
Why Do We Need This Pattern? 364
HowDoesThisPatternWork? 364
When Should This Pattern Be Used? 378
What Are the Weaknesses of the Pattern? 378
Synopsis 379
Contact Mechanism Pattern with Geographic Boundary 380
Why Do We Need This Pattern? 381
HowDoesThisPatternWork? 384
When Should This Pattern Be Used? 389
What Are the Weaknesses of the