Intro to OOD Oleg Yaroshevych, 2012

Why

What

Scope

The Process

Object-Oriented Analysis

Process

Object-Oriented Design

Process

Why OOD

Process

Simplifies System Evolution

Define Likely to Change Aspects

A Common Design Vocabulary

Anti Patterns

OOD Process

Process

Context And Modes

Architecture

Principal Objects

Design Models

Object Interfaces

Design Quality in From The Start

Process: OOD Principles

Clarity and Simplicity

Process: OOD Principles

Separate Mutable and Immutable Aspects

Process: OOD Principles

Single Responsibility

Process: OOD Principles

Data Abstraction

Process: OOD Principles

Loose Coupling

Process: OOD Principles

Dependency Inversion

Process: OOD Principles

Dependency Injection and Inversion of Control

Process: OOD Principles

Interface Segregation

Process: OOD Principles

OOD Examples

Process

OOD Problems

Process

Redundant Models

Premature Optimization

Lack of Abstract Thinking

OOP

Process

Why OOP

Process

Ability to Design Big-Ass Systems

Stability

Reusability

OOP Principles

Process

Objects Are Independent and Encapsulate State

Functionality is Expressed in Terms of Object Services

Objects Communicate by Message Passing

Proc vs OOP

Process

Summary

Process

UML

Why UML

UML

Same Models in All Stages

Abstraction

Model The Concept, Not Implementation

“Big Picture" of The System is Useful

Sequence Diagram

UML

State Diagram

UML

Class Diagram

UML

Problems

UML

No One Knows How to Draw Properly

Stick to Code for Code

It Is a Huge Language

Patterns

Why Patterns

Patterns

Keep It Simple, Do Not Comment

Talk Patterns, Not Objects

Name The Thing

GOF Patterns

Observer

GOF Patterns

Template Method

GOF Patterns

Strategy

GOF Patterns

Proxy

GOF Patterns

Iterator and Visitor

GOF Patterns

Facade

GOF Patterns

Decorator

GOF Patterns

Enterprise Patterns

Domain Logic Patterns

Enterprise Patterns

Transaction Script

Active Record

Domain Model

ID Field

Enterprise Patterns

Identity Map

Enterprise Patterns

Repository

Enterprise Patterns

Embedded Value

Enterprise Patterns

Query Object

Enterprise Patterns

Lazy Loading

Enterprise Patterns

Unit Of Work

Enterprise Patterns

Data Mapper

Enterprise Patterns

Table Inheritance

Enterprise Patterns

Single Table Inheritance

Class Table Inheritance

Concrete Table Inheritance

Null Object (Special Case)

Enterprise Patterns

Separated Interface

Enterprise Patterns

Gateway

Enterprise Patterns

Record Set

Enterprise Patterns

Service Locator

Enterprise Patterns

Immutable (Read-Only Interface)

Enterprise Patterns

Marker Interface

Enterprise Patterns

Object Pool

Enterprise Patterns

Registry

Enterprise Patterns

Layered Architecture

Enterprise Patterns

Layer Supertype

Enterprise Patterns

Dynamic Linkage

Enterprise Patterns

Concurrency

Enterprise Patterns

Producer-Consumer

Enterprise Patterns

MVC

Patterns

MVC in Web Apps

Patterns

Domain-Specific Patterns

Patterns

User Interface

Secure Design

Web Design

Business Model

Problems

Patterns

Keep It Simple

You Ain't Gonna Need It

Some Patterns Are Not Appropriate

Architecture

DDD

Architecture

DDD Principles

Architecture

The Ubiquitous Language

Serialization

Services

Layering

SOA

Architecture

When to use SOA

Architecture

Advanced security, logging, quotas

Services Are Autonomous

Services Share Schema and Contract, Not Class

Onion

Architecture

Why Onion?

Architecture

Onion Diagram

Architecture

Onion Problems

Architecture

It Ain’t Universal Pattern

Requires Knowledge of Complex Concepts

Hard to Define System Core

Summary

Process

Patterns

Architecture

Simple!

Reference

Books

Bishop J. - C# 3.0 Design Patterns

Design Patterns Elements of Reusable Object-Oriented Software

Mark Priestley - Practical Object-oriented Design with UML

Object-Oriented Analysis and Design Using UML. Sun microsystems

Object Oriented Design Standards. The Corelinux Consortium

Scott Millett - Professional ASP.NET Design Patterns

Elisabeth Freeman, Eric Freeman, Bert Bates, Kathy Sierra, Elisabeth Robson - Head First Design Patterns

Presentations

http://www.slideshare.net/spriebsch/advanced-oop-and-design-patterns

http://www.slideshare.net/sudarsun/object-oriented-design

http://www.slideshare.net/elfuchs/o-o-d

Links Demo Code

https://github.com/yaroshevych/OnionReference

My Github and Slideshare profiles

http://yaroshevy.ch/about

Images

David Gallard http://www.flickr.com/photos/mrguep/4203634376/in/photostream/

Joanjo Aguar Matoses http://www.flickr.com/photos/joanjo_aguar_matoses/4624775173/in/photostream/

Adam Wyles http://www.flickr.com/photos/the-travelling-bum/5262087254/in/photostream/

Don Buciak II http://www.flickr.com/photos/donbuciak/5448599489/in/photostream/

David Gallard http://www.flickr.com/photos/mrguep/4202876501/in/photostream/

Francisco Gonzalez http://www.flickr.com/photos/franciscojgonzalez/8087008004/in/photostream/

David Gallard http://www.flickr.com/photos/mrguep/4203635248/in/photostream/

License

CC BY-NC-ND 2.0 http://creativecommons.org/licenses/by-nc-nd/2.0/