Browse by Tags

All Tags » .NET Development » Patterns (RSS)
Fri, Mar 8 2013 9:14

Dependency Injection

Dependency Injection (DI) is a form of Inversion of Control where the instances that one class need are instantiated outside of the class an “injected” into it.  The most common injection is constructor injection.  This is called inversion of...
Posted by PeterRitchie | 5 comment(s)
Filed under: , , , ,
Mon, Jan 21 2013 11:11

IDisposable and Class Hierarchies

In my previous post , I showed how the Dispose Pattern is effectively obsolete. But, there’s one area that I didn’t really cover. What do you do when you want to create a class that implements IDisposable , doesn’t implement the Dispose...
Posted by PeterRitchie | 4 comment(s)
Filed under: , , , , ,
Fri, Feb 10 2012 11:56

The Rat-hole of Object-oriented Mapping

Mark Seemann recently had a great post that, as most of his posts seem to do, challenges the average reader to re-think their reality a bit. The post is titled “Is Layering Worth the Mapping”. In the post Mark essentially details some of the...
Posted by PeterRitchie | 2 comment(s)
Filed under: , , , , , , ,
Wed, Dec 8 2010 23:06

Fluent Builders, Part 1

I’ve seen some conversations about fluent builders as of late, and I’d thought I’d post some information about fluent builders, the principles behind them, the problems they address, and how to implement them. Fluent Builder is a combination of the builder...
Posted by PeterRitchie | 3 comment(s)
Filed under: , , , , ,
Thu, Jan 29 2009 11:10

A Upcoming Pandemic of Domain Anaemia

There's a well-known anti-pattern called the anaemic domain model[1][2]. This anti-pattern basically says domain entities, chronically, have little or no behaviour (remember, object-oriented design is about attributes and behaviour). It should be...
Posted by PeterRitchie | 4 comment(s)
Filed under: , , , , , , , , , , ,
Fri, Dec 21 2007 9:45

Bridges and Factories

In my previous post , I talked about Dependency Injection (DI). One implementation of DI is using interface-oriented design to abstract a class from an injected dependency via an interface. This is one possible implementation of the Bridge pattern. Depending...
Posted by PeterRitchie | 7 comment(s)
Filed under: , ,
Thu, Dec 13 2007 9:42

Dependency Injection

Dependency injection (DI) is a form of inversion of control. There seems to be a tendency in some circles to refer to dependency injection as inversion of control (IoC). Dependency injection is a form of abstraction by removing physical dependencies between...
Posted by PeterRitchie | 1 comment(s)
Filed under: , , ,