Elegant Software Design Principles
Elegant Software Design Principles
About the Book
Professionals who design and develop elegant software do so by mastering a set of important principles. This book describes 50 such essential design principles. Every software architect and developer should be familiar with these principles.
It answers the following questions:
What is elegant software?
How to assess the quality of a software design?
How to improve a specific quality of a software design?
How to determine when to apply a principle?
How to determine whether a principle is properly applied or not?
It is a handy reference for the 50 essential design principles.
"One of the best Software books of all time" - BookAuthority
About the Author
Table of Contents
Dedication
Acknowledgements
Feedback
Introduction
Elegant Software
Design Pyramid
The Familiar Face – Tactical Knowledge
The Ideal Face – Strategic Knowledge
The Real Face – Practical Knowledge
Principles Catalogue
Principle Documentation Template
The Driving Principles
Manage Complexity (MAC)
High Cohesion (HIC)
Loose Coupling (LCO)
Core Principles
Abstraction (ABS)
Information Hiding (IFH)
Encapsulation (ENC)
Inheritance (INH)
Polymorphism (POL)
Don’t Repeat Yourself (DRY)
Program to an Interface (P2I)
Composite Reuse Principle (CRP)
Encapsulate What Varies (EWV)
Modularity Principle (MOD)
Closed Layered Architecture Principle (CLA)
Separation of Concerns (SoC)
Separate Policy and Implementation (SPI)
Separate Interface and Implementation (SII)
Divide-and-Conquer (DAC)
Inversion of Control (IOC)
Plug and Play (PnP)
Modular Protection (MOP)
Discrimination Principle (DP)
SOLID Principles
Single Responsibility Principle (SRP)
Open Closed Principle (OCP)
Liscov Substitution Principle (LSP)
Interface Segregation Principle (ISP)
Dependency Inversion Principle (DIP)
GRASP Principles
Tell Don’t Ask (TDA)
Creator (CRE)
Pure Fabrication (PUF)
Reliability Principles
Precondition Principle (PRP)
Postcondition Principle (POP)
Reliability Principles
Class Invariant Principle (CIP)
Non-Redundancy Principle (NRP)
Command-Query Separation Principle (CQS)
Principle of Closed Behaviour (PCB)
Immutability (IMM)
No Side Effects Principle (NSE)
Disciplined Exception Handling (DEH)
Design for Testability (DFT)
Package Design Principles
Release Reuse Equivalency Principle (REP)
Common Closure Principle (CCP)
Common Reuse Principle (CRP)
Acyclic Dependencies Principle (ADP)
Stable Dependencies Principle (SDP)
The Stable Abstraction Principle (SAP)
General Principles
Principle of Least Astonishment (PLA)
Law of Demeter (LOD)
Reuse Path Principle (RPP)
Documentation Principle (DOP)
Appendix
References
About the Author
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