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Shawn McCool

BDD / DDD Discussion

with concrete examples

I was invited by Adam Wathan to discuss BDD / DDD on his podcast Full Stack Radio. I think that he did a tremendous job producing the show and I enjoyed discussing how I perceive both BDD and DDD as well as having the opportunity to share concrete examples of optimizing for business value.

Listen here on Full Stack Radio

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January 19, 2015

The Repository Pattern

Basics and clarification

"Repository commonly refers to a storage location, often for safety or preservation." - Wikipedia

This is how Wikipedia describes a repository. It just so happens that unlike some other jargon that we deal with, this fits perfectly. A repository represents the concept of a storage collection for a specific type of entity.

Repository . . .

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January 08, 2015

Command Bus

An overview of implementation, advantages, and challenges.

There has been a lot of talk about the concept of the command bus lately and I discovered that Laravel 5 is likely to ship with a command bus implementation. So, I want to take a moment and discuss this topic as I've been using it well over a year now in many projects both green and brown.

At the bottom of this post there are a number of . . .

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December 26, 2014

Domain-Driven Design

How to get started

This article has most recently been modified August 16th, 2017 to add the following foreword.

Foreword: What is Domain-Driven Design?

Domain-Driven Design, or DDD, is an envelope that encapsulates software design theory and technique as well as theory and technique for communication. The focus of the DDD brand is to increase developers' . . .

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July 20, 2014

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