Elemental Design Patterns / Edition 1

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2012 Jolt Award Finalist!

Even experienced software professionals find it difficult to apply patterns in ways that deliver substantial value to their organizations. In Elemental Design Patterns, Jason McC. Smith addresses this problem head-on, helping developers harness the true power of patterns, map them to real software implementations more cleanly and directly, and achieve far better results. Part tutorial, part example-rich cookbook, this resource will help developers, designers, architects, and analysts successfully use patterns with a wide variety of languages, environments, and problem domains. Every bit as important, it will give them a deeper appreciation for the work they’ve chosen to pursue.

Smith presents the crucial missing link that patterns practitioners have needed: a foundational collection of simple core patterns that are broken down to their core elements. If you work in software, you may already be using some of these elemental design patterns every day. Presenting them in a comprehensive methodology for the first time, Smith names them, describes them, explains their importance, helps you compare and choose among them, and offers a framework for using them together. He also introduces an innovative Pattern Instance Notation diagramming system that makes it easier to work with patterns at many levels of granularity, regardless of your goals or role.

If you’re new to patterns, this example-rich approach will help you master them piece by piece, logically and intuitively. If you’re an experienced patterns practitioner, Smith follows the Gang of Four format you’re already familiar with, explains how his elemental patterns can be composed into conventional design patterns, and introduces highly productive new ways to apply ideas you’ve already encountered. No matter what your level of experience, this infinitely practical book will help you transform abstract patterns into high-value solutions.

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Product Details

  • ISBN-13: 9780321711922
  • Publisher: Addison-Wesley
  • Publication date: 4/11/2012
  • Edition number: 1
  • Pages: 333
  • Sales rank: 935,209
  • Product dimensions: 7.20 (w) x 9.20 (h) x 1.00 (d)

Meet the Author

Jason McC. Smith received his Ph.D. in computer science in 2005 from the University of North Carolina at Chapel Hill, where the Elemental Design Patterns were born as part of the System for Pattern Query and Recognition (SPQR) project. He then spent four years at IBM Watson Research and had the opportunity to apply the lessons of SPQR and the EDP catalog and compositional approach to immense bodies of software, both legacy and modern. Dr. Smith is currently senior research scientist at The Software Revolution, Inc., in Kirkland, WA, where he continues to refine the EDP catalog and look for ways to enhance the company’s goal of automated modernization and transformation of legacy systems.
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Table of Contents

Figures xi

Tables xv

Listings xvii

Foreword xix

Preface xxi

Acknowledgments xxiii

About the Author xxv

Chapter 1: Introduction to Design Patterns 1

1.1 Tribal Musings 5

1.2 Art or Science? 9

Chapter 2: Elemental Design Patterns 13

2.1 Background 14

2.2 The Where, the Why, the How 17

2.3 Core EDPs 42

2.4 Conclusion 44

Chapter 3: Pattern Instance Notation 45

3.1 Basics 45

3.2 The PINbox 49

3.3 Conclusion 65

Chapter 4: Working with EDPs 67

4.1 Composition of Patterns 68

4.2 Recreating Decorator 77

4.3 Refactoring 91

4.4 The Big Picture 101

4.5 Why You May Want to Read the Appendix 105

4.6 Advanced Topics 108

4.7 Conclusion 112

Chapter 5: EDP Catalog 115

Create Object 117

Retrieve 126

Inheritance 130

Abstract Interface 140

Delegation 145

Redirection 151

Conglomeration 159

Recursion 165

Revert Method 172

Extend Method 181

Delegated Conglomeration 187

Redirected Recursion 193

Trusted Delegation 200

Trusted Redirection 209

Deputized Delegation 216

Deputized Redirection 222

Chapter 6: Intermediate Pattern Compositions 229

Fulfill Method 231

Retrieve New 235

Retrieve Shared 240

Objectifier 244

Object Recursion 251

Chapter 7: Gang of Four Pattern Compositions 259

7.1 Creational Patterns 260

7.2 Structural Patterns 265

7.3 Behavioral Patterns 273

7.4 Conclusion 279

Appendix A: Rho- Calculus 281

A.1 Reliance Operators 282

A.2 Transitivity and Isotopes 285

A.3 Similarity 286

A.4 EDP Formalisms 287

A.5 Composition and Reduction Rules 291

A.6 Pattern Instance Notation and Roles 293

A.7 EDP Definitions 295

A.8 Intermediate Pattern Definitions 308

A.9 Gang of Four Pattern Definitions 313

Bibliography 321

Index 325

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Customer Reviews

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Sort by: Showing all of 5 Customer Reviews
  • Anonymous

    Posted January 19, 2014

    HuH cool face


    Was this review helpful? Yes  No   Report this review
  • Anonymous

    Posted January 15, 2014



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  • Anonymous

    Posted January 22, 2014

    To lamalover

    When wil part two come out?:(

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  • Anonymous

    Posted January 12, 2014

    The Wilsons family pt one

    Pt two on next res. Hannah was twenty four in a minecraft world. She had cum of age six yrs ago and was now running a nice farm with her sister kathy( 20). Her father would love for her to come back... but she wasnt going to...............................................

    Sade was 22 and he had a mine it was big and cool and sade was proud. Unlike dads boring old homy mine................................................

    Kathy was twenty abd worked at the farm with hannah. She took care of tye chickens... at home she would be doing dishes..............................................................

    John was eighteen and had just started a lumbermull. It wasnt awesum yet but it was gonna be cool..............................................

    Mason was sixteen. Not of age.. still working in dads mine... but he was going to be a runner. Running mesaages and supplies from the girls farm to johns lumber mill to sades mine. He ran and he ran fast.....................................................................

    Jacy was in the kitchen sewing. Unlike her siblings she wasnt going to be selfish.... she was going to stay with mom.............................

    Hannah screamed kathy and mason sprinted torward her. There house was on fire. A figure apperead. With creepy white eyes. I am herobrine. He thundered. The trio had no idea who he was and hannah was more concerned with her burning house. In her feenzy she soaked herobrine. Herobrine turnde bright red. Ull pay for that. He grabbed hannah and disappearsd. Kathy started sobbing and mason grabbed her hand and the two began to run fir sade.....................mmmmmmmmm

    Sade was satisfied a hard days work done. Suddenly he saw a sprinting kathy and mason. Whats wrong? He said. Hannahs been kidnapped kathy blurts. Sade panicked. We have ro get to dad. Lets take the tracks.

    Kathy was flipping. Her sister had been kidnapped by a psychotuc fire setting mad man. Yeah flipped out is under statement. They paused at johns and after a few minutes of talking he got in

    John and max r being skipped prior to storyline

    Jacy hears a pounding at the door and open it to four frantic siblings. She calls her father and he listens to jer crazy sivlings. He says. Herobrine has returned... i know who to call. A man knocks politely and walks in. Hello he says. I am steve

    Llamalover; i know i ibow just a beginning next stiry on next res

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  • Anonymous

    Posted January 10, 2014

    BlackStar to all

    Help! I need a story topic for a short story!

    Was this review helpful? Yes  No   Report this review
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