Refactoring Workbook
- Main Page
- Table of content
- Copyright
- Preface
- What Is Refactoring?
- What Are the Goals of This Book?
- Who Is This Book For?
- What Background Do You Need?
- How to Use This Book
- Can I Contact the Author?
- Acknowledgments
- Chapter 1. Roadmap
- Overview
- Section 1: Smells within Classes
- Section 2: Smells between Classes
- Section 3: Programs to Refactor
- A Word on the Challenges
- Section 1: Smells Within Classes
- Chapter 2. The Refactoring Cycle
- What Is Refactoring?
- Smells Are Problems
- The Refactoring Cycle
- When Are We Done?
- Inside a Refactoring
- Challenges
- Conclusion
- Chapter 3. Measured Smells
- Smells Covered
- Comments
- Long Method
- Large Class
- Long Parameter List
- More Challenges
- Conclusion
- Interlude 1. Smells and Refactorings
- Chapter 4. Names
- Smells Covered
- Type Embedded in Name (Including Hungarian)
- Uncommunicative Name
- Inconsistent Names
- Chapter 5. Unnecessary Complexity
- Smells Covered
- Dead Code
- Speculative Generality
- Interlude 2. Inverses
- Chapter 6. Duplication
- Smells Covered
- Magic Number
- Duplicated Code
- Alternative Classes with Different Interfaces
- Challenges
- Chapter 7. Conditional Logic
- Smells Covered
- Null Check
- Complicated Boolean Expression
- Special Case
- Simulated Inheritance (Switch Statement)
- Interlude 3. Design Patterns
- Section 2: Smells Between Classes
- Chapter 8. Data
- Smells Covered
- Primitive Obsession
- Data Class
- Data Clump
- Temporary Field
- Chapter 9. Inheritance
- Smells Covered
- Refused Bequest
- Inappropriate Intimacy (Subclass Form)
- Lazy Class
- Chapter 10. Responsibility
- Smells Covered
- Feature Envy
- Inappropriate Intimacy (General Form)
- Message Chains
- Middle Man
- Challenges
- Chapter 11. Accommodating Change
- Smells Covered
- Divergent Change
- Shotgun Surgery
- Parallel Inheritance Hierarchies
- Combinatorial Explosion
- Chapter 12. Library Classes
- Smells Covered
- Incomplete Library Class
- Challenges
- Interlude 4. Gen-A-Refactoring
- Section 3: Programs to Refactor
- Chapter 13. A Database Example
- Course.java (Online at www.xp123.comrwb )
- Offering.java
- Schedule.java
- Report.java
- TestSchedule.java
- TestReport.java
- Chapter 14. A Simple Game
- Development Episodes
- Chapter 15. Catalog
- Introduction
- Path 1: Catalog.itemsMatching(query)
- Path 2: Query.matchesIn(catalog)
- Path 3: Process(catalog.data, query.data)
- Conclusion
- Chapter 16. Planning Game Simulator
- Part 1 : Original Code
- Part 2 : Redistributing Features
- Removing Duplication, Selection Troubles, and a Few Burrs
- Part 3 : Pushing the Code Further
- Chapter 17. Where to Go from Here
- Books
- Admonitions
- Exercises to Try
- Web Sites
- Section 4: Appendixes
- Appendix A. Answers to Selected Questions
- Chapter 2 . The Refactoring Cycle
- Chapter 3 . Measured Smells
- Interlude 1 . Smells and Refactorings
- Chapter 4 . Names
- Chapter 5 . Unnecessary Complexity
- Chapter 6 . Duplication
- Chapter 7 . Conditional Logic
- Interlude 3 . Design Patterns
- Chapter 8 . Data
- Chapter 9 . Inheritance
- Chapter 10 . Responsibility
- Chapter 11 . Accommodating Change
- Chapter 12 . Library Classes
- Interlude 4 . Gen-A-Refactoring
- Chapter 13 . A Database Example
- Chapter 14 . A Simple Game
- Chapter 15 . Catalog
- Chapter 16 . Planning Game
- Appendix B. Java Refactoring Tools
- Appendix C. Inverses for Refactorings
- Appendix D. Key Refactorings
- Change Bidirectional Association to Unidirectional
- Duplicate Observed Data
- Extract Class
- Extract Method
- Move Field
- Move Method
- Replace Type Code with StateStrategy
- Bibliography