Catalog

Refactoring To Patterns Catalog

Below are 27 refactorings from Joshua Kerievsky's book, Refactoring to Patterns.

Chain Constructors
Compose Method *
Encapsulate Classes with Factory
Encapsulate Composite with Builder
Extract Adapter
Extract Composite *
Extract Parameter
Form Template Method *
Inline Singleton
Introduce Null Object
Introduce Polymorphic Creation With Factory Method *
Limit Instantiation with Singleton
Move Accumulation to Collecting Parameter *
Move Accumulation to Visitor *
Move Creation Knowledge to Factory *
Move Embellishment to Decorator *
Replace Conditional Dispatcher with Command
Replace Conditional Logic with Strategy *
Replace Constructors with Creation Methods *
Replace Hard-Coded Notifications with Observer *
Replace Implicit Language with Interpreter *
Replace Implicit Tree with Composite
Replace One/Many Distinctions with Composite
Replace State-Altering Conditionals with State *
Replace Type Code with Class *
Unify Interfaces with Adapter *
Unify Interfaces

* Source code is available in our online workshop Refactoring to Patterns Interactive.

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Useful Links

·	Martin Fowler's Refactoring Catalog
·	A Learning Guide to Design Patterns

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