Contents

Figures

Tables

Listings

Foreword

Preface

Acknowledgments

About the Author

1 Introduction to Design Patterns

1.1 Tribal Musings

1.2 Art or Science?

1.2.1 Viewing Patterns as Rote

1.2.2 Language-Dependent Views

1.2.3 From Myth to Science

2 Elemental Design Patterns

2.1 Background

2.2 The Where, the Why, the How

2.2.1 Decomposition of Decorator

2.2.2 Down the Rabbit Hole

2.2.3 Context

2.2.4 The Design Space

2.3 Core EDPs

2.4 Conclusion

3 Pattern Instance Notation

3.1 Basics

3.2 The PINbox

3.2.1 Collapsed PINbox

3.2.2 Standard PINbox

3.2.3 Expanded PINbox

3.2.4 Stacked PINboxes and Multiplicity

3.2.5 Peeling and Coalescing

3.3 Conclusion

4 Working with EDPs

4.1 Composition of Patterns

4.1.1 Isotopes

4.2 Recreating Decorator

4.3 Refactoring

4.4 The Big Picture

4.5 Why You May Want to Read the Appendix

4.6 Advanced Topics

4.6.1 Focused Documentation and Training

4.6.2 Metrics

4.6.3 Procedural Analysis

4.7 Conclusion

5 EDP Catalog

Create Object

Retrieve

Inheritance

Abstract Interface

Delegation

Redirection

Conglomeration

Recursion

Revert Method

Extend Method

Delegated Conglomeration

Redirected Recursion

Trusted Delegation

Trusted Redirection

Deputized Delegation

Deputized Redirection

6 Intermediate Pattern Compositions

Fulfill Method

Retrieve New

Retrieve Shared

Objectifier

Object Recursion

7 Gang of Four Pattern Compositions

7.1 Creational Patterns

7.1.1 Abstract Factory

7.1.2 Factory Method

7.2 Structural Patterns

7.2.1 Decorator

7.2.2 Proxy

7.3 Behavioral Patterns

7.3.1 Chain of Responsibility

7.3.2 Template Method

7.4 Conclusion

A ρ-Calculus

A.1 Reliance Operators

A.2 Transitivity and Isotopes

A.3 Similarity

A.4 EDP Formalisms

A.5 Composition and Reduction Rules

A.6 Pattern Instance Notation and Roles

A.7 EDP Definitions

A.7.1 Create Object

A.7.2 Retrieve

A.7.3 Inheritance

A.7.4 Abstract Interface

A.7.5 Delegation

A.7.6 Redirection

A.7.7 Conglomeration

A.7.8 Recursion

A.7.9 Revert Method

A.7.10 Extend Method

A.7.11 Delegated Conglomeration

A.7.12 Redirected Recursion

A.7.13 Trusted Delegation

A.7.14 Trusted Redirection

A.7.15 Deputized Delegation

A.7.16 Deputized Redirection

A.8 Intermediate Pattern Definitions

A.8.1 Fulfill Method

A.8.2 Retrieve New

A.8.3 Retrieve Shared

A.8.4 Objectifier

A.8.5 Object Recursion

A.9 Gang of Four Pattern Definitions

A.9.1 Abstract Factory

A.9.2 Factory Method

A.9.3 Decorator

A.9.4 Proxy

A.9.5 Chain of Responsibility

A.9.6 Template Method

Bibliography

Index