[Martin Fowler Signature Book 01] • Refactoring to Patterns (Addison-Wesley Signature Series) by Kerievsky, Joshua -- Read -- Imperial Library of Trantor

Index

Foreword by Ralph Johnson Foreword by Martin Fowler Preface

What Is This Book About? What Are the Goals of This Book? Who Should Read This Book? What Background Do You Need? How to Use This Book The History of This Book Standing on the Shoulders of Giants Acknowledgments

Chapter 1: Why I Wrote This Book

Over-Engineering The Patterns Panacea Under-Engineering Test-Driven Development and Continuous Refactoring Refactoring and Patterns Evolutionary Design

Chapter 2: Refactoring

What Is Refactoring? What Motivates Us to Refactor? Many Eyes Human-Readable Code Keeping It Clean Small Steps Design Debt Evolving a New Architecture Composite and Test-Driven Refactorings The Benefits of Composite Refactorings Refactoring Tools

Chapter 3: Patterns

What Is a Pattern? Patterns Happy There Are Many Ways to Implement a Pattern Refactoring to, towards, and away from Patterns Do Patterns Make Code More Complex? Pattern Knowledge Up-Front Design with Patterns

Chapter 4: Code Smells

Duplicated Code Long Method Conditional Complexity Primitive Obsession Indecent Exposure Solution Sprawl Alternative Classes with Different Interfaces Lazy Class Large Class Switch Statements Combinatorial Explosion Oddball Solution

Chapter 5: A Catalog of Refactorings to Patterns

Format of the Refactorings Projects Referenced in This Catalog XML Builders HTML Parser Loan Risk Calculator A Starting Point A Study Sequence

Chapter 6: Creation

Replace Constructors with Creation Methods Motivation Mechanics Example Variations Move Creation Knowledge to Factory Motivation Mechanics Example Encapsulate Classes with Factory Motivation Mechanics Example Variations Introduce Polymorphic Creation with Factory Method Motivation Mechanics Example Encapsulate Composite with Builder Mechanics Example Variations Inline Singleton Motivation Mechanics Example

Chapter 7: Simplification

Compose Method Motivation Mechanics Example Replace Conditional Logic with Strategy Motivation Mechanics Example Move Embellishment to Decorator Motivation Mechanics Example Replace State-Altering Conditionals with State Motivation Mechanics Example Replace Implicit Tree with Composite Motivation Mechanics Example Replace Conditional Dispatcher with Command Motivation Mechanics Example

Chapter 8: Generalization

Form Template Method Motivation Mechanics Example Extract Composite Motivation Mechanics Example Replace One/Many Distinctions with Composite Motivation Mechanics Example Replace Hard-Coded Notifications with Observer Motivation Mechanics Example Unify Interfaces with Adapter Motivation Mechanics Example Extract Adapter Motivation Mechanics Example Variations Replace Implicit Language with Interpreter Motivation Mechanics Example

Chapter 9: Protection

Replace Type Code with Class Motivation Mechanics Example Limit Instantiation with Singleton Motivation Mechanics Example Introduce Null Object Motivation Mechanics Example

Chapter 10: Accumulation

Move Accumulation to Collecting Parameter Motivation Mechanics Example Move Accumulation to Visitor Motivation Mechanics Example

Chapter 11: Utilities

Chain Constructors Motivation Mechanics Example Unify Interfaces Motivation Mechanics Example Extract Parameter Motivation Mechanics Example

Afterword by John Brant and Don Roberts References Index

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