Object-Oriented Reengineering Patterns
Free

Object-Oriented Reengineering Patterns

By Serge Demeyer, Stéphane Ducasse, Oscar Nierstrasz
Free
Book Description

Object-Oriented Reengineering Patterns collects and distills successful techniques in planning a reengineering project, reverse-engineering, problem detection, migration strategies and software redesign. This book is made available under the Creative Commons Attribution-ShareAlike 3.0 license. You can either download the PDF for free, or you can buy a softcover copy from lulu.com. Additional material is available from the book's web page at http://scg.unibe.ch/oorp

Table of Contents
  • Foreword
  • Preface
  • I Introduction
    • Reengineering Patterns
      • Why do we Reengineer?
      • The Reengineering Lifecycle
      • Reengineering Patterns
      • The Form of a Reengineering Pattern
      • A Map of Reengineering Patterns
  • II Reverse Engineering
    • Setting Direction
      • Agree on Maxims
      • Appoint a Navigator
      • Speak to the Round Table
      • Most Valuable First
      • Fix Problems, Not Symptoms
      • If It Ain't Broke, Don't Fix It
      • Keep It Simple
    • First Contact
      • Chat with the Maintainers
      • Read all the Code in One Hour
      • Skim the Documentation
      • Interview During Demo
      • Do a Mock Installation
    • Initial Understanding
      • Analyze the Persistent Data
      • Speculate about Design
      • Study the Exceptional Entities
    • Detailed Model Capture
      • Tie Code and Questions
      • Refactor to Understand
      • Step Through the Execution
      • Look for the Contracts
      • Learn from the Past
  • III Reengineering
    • Tests: Your Life Insurance!
      • Write Tests to Enable Evolution
      • Grow Your Test Base Incrementally
      • Use a Testing Framework
      • Test the Interface, Not the Implementation
      • Record Business Rules as Tests
      • Write Tests to Understand
    • Migration Strategies
      • Involve the Users
      • Build Confidence
      • Migrate Systems Incrementally
      • Prototype the Target Solution
      • Always Have a Running Version
      • Regression Test After Every Change
      • Make a Bridge to the New Town
      • Present the Right Interface
      • Distinguish Public from Published Interface
      • Deprecate Obsolete Interfaces
      • Conserve Familiarity
      • Use Profiler Before Optimizing
    • Detecting Duplicated Code
      • Compare Code Mechanically
      • Visualize Code as Dotplots
    • Redistribute Responsibilities
      • Move Behavior Close to Data
      • Eliminate Navigation Code
      • Split Up God Class
    • Transform Conditionals to Polymorphism
      • Transform Self Type Checks
      • Transform Client Type Checks
      • Factor out State
      • Factor out Strategy
      • Introduce Null Object
      • Transform Conditionals into Registration
  • IV Appendices
    • Thumbnail patterns
      • Testing Patterns
        • Retest Persistent Problems
        • Test Fuzzy Features
        • Test Old Bugs
      • Refactorings
        • Encapsulate Field
        • Extract Method
        • Move Method
        • Rename Attribute
        • Rename Method
        • Replace Conditional with Polymorphism
      • Design Patterns
        • Abstract Factory
        • Adapter
        • Facade
        • Factory Method
        • Flyweight
        • Null Object
        • Quantity
        • Singleton
        • State
        • State Patterns
        • Strategy
        • Template Method
        • Visitor
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