1. Dependency Injection with MEF and Unity
Pavel Yosifovich
Hi-Tech College

2. Agenda
Why MEF?
MEF Features
Why Unity?
Unity Features
Q & A
Summary

3. MEF Basics
DEMO

4. MEF Basics Parts Catalog Container Export and Import A list of parts
The matchmaker
Composition
MEF Part
Export
Import
MEF Part
Export
Import

5. MEF Basics - Catalogs AggregateCatalog DirectoryCatalog
AssemblyCatalog
TypeCatalog

6. MEF Features
DEMO

7. More MEF Features [ImportingConstructor] [ImportMany] Creation Policy
AllowDefault=true
Re-composition
Metadata

8. MEF - Summary MEF is about extensibility through composition
Dependency Injection capabilities
Not a true IoC container
Part of .NET 4
MEF for Silverlight 4
Mostly similar, some Silverlight specific features( e.g. DeploymentCatalog)

9. Basic Unity
DEMO

10. Unity Basics A true IoC container Registering types
Resolving and injecting dependencies
Configuration

11. More Unity Features
DEMO

12. More Unity Features Lifetime management Hierarchical containers
Aspect Oriented Programming (AOP)
Interception

13. Questions?

14. Summary MEF is an extensibility framework Unity is an IoC container
Exports & Imports
Metadata and Re-composition
Unity is an IoC container
Type resolution
Interception (AOP)
Both provide Dependency Injection

15. Resources MEF on CodePlex Unity on CodePlex
Unity on CodePlex
Microsoft Patterns & Practices

16. משובים ופייסבוק
מירב- השלמה