Choosing an IoC Container

Boris Modylevsky August 24, 2016

About me

Boris Modylevsky

Senior developer @Quali

Clean Code Alliance group organizer

www.borismod.net

twitter.com/bormod

github.com/borismod

What is Inversion of Control?

What is Inversion of Control?

Customer Flow Chart

SQL Server

Validate

Add

What is Inversion of Control?

Customer Flow Chart

Which DAL?

SQL Oracle

Validate

Add

Is this customer’s

work?

Good Code

A good code is that which takes care of his logic rather than overloading himself with unconcerned logic.

Inversion of Control

Which DAL?

SQL Oracle

Validate

Add

CustomerExternal

Entity

What is Inversion of Control?

• Decoupled system• Cleaner code• Easy to maintain and test

Inversion of Control benefits

The ability to supply (inject) an external dependency into a software component.

Dependency Injection

Poor Man’s Dependency Injection

Dependency injection method by explicit initialization of classes and providing their

dependencies

Demo

IoC Container

A software component which enables registration and resolving classes and their dependencies

Explicit registrationUnity

Configuration File RegistrationUnity

Constructor Injection

Attribute Injection

Method Injection

Lifetime Scope

• Transient• Singleton• Per Web/WCF request• Custom

Singleton RegistrationUnity

Auto Registration

The ability to register types automatically based on rules provided

without specifying them manually.

Modules Registration

The ability to group types registration by logical modules.

Interception

The ability to change or augment the usual processing cycle.

.NET IoC Containers

AutoFac fFastInjector Hiro Maestr

o Munq Speedioc

TinyIoc

Caliburn.Micro Funq IfInject

or MEF Ninject Spring.NET

Unity

Catel Grace LightCore MEF2 Petite Stiletto Win

dsor

DryIoc Griffin LightInject

MicroSliver

QuickInject

StructureMap No

Dynamo HaveBox LinFu Mugen SimpleInj

ectorStyleMVVM

Unity

PopularityDownloads in millions

UnityNinject

AutoFacStructureMap

0

0.5

1

1.5

2

2.5

3

3.5

4

Downloads in millions

Demo

PerformanceTransient resolve

Source: http://tinyurl.com/h7qntep by Nathanael Mann

Demo

Compare

Popularity

Maturity

Readability

Environment

Maintenance

Integrations

Performance

Features

Performance Comparison

Container Performance

AutoFac Average

DryIoc Fast

Dynamo Fast

LinFu Slow

Ninject Slow

SimpleInjector Fast

StructureMap Average

Unity Average

Windsor Average

Registration Comparison

Container Code XML AutoAutoFac Yes Yes YesDryIoc Yes    Dynamo Yes YesLinFu Yes    Ninject Yes Yes YesSimpleInjector Yes Yes

StructureMap Yes Yes YesUnity Yes Yes YesWindsor Yes Yes Yes

Features Comparison

Container Autowiring Custom lifetimes Interception

AutoFac Yes YesDryIoc Yes Yes  Dynamo Yes Yes  LinFu Yes YesNinject Yes YesSimpleInjector Yes Yes Yes

StructureMap Yes Yes Yes

Unity Yes Yes YesWindsor Yes Yes Yes

Environments Comparison

Container .NET SL WP7 WP8

WinRT

AutoFac Yes Yes Yes Yes Yes

DryIoc Yes        

Dynamo Yes        

LinFu Yes        

Ninject Yes Yes Yes Yes

SimpleInjector Yes Yes Yes Yes

StructureMap Yes Yes Yes

Unity Yes Yes   Yes Yes

Windsor Yes Yes      

How to choose?

Thanks!Questions?