Using dependency injection with entities

In this recipe, we will show you how you can inject services into your entities to separate implementation details from your real business logic.

Getting ready

• Download uNHAddIns.CommonServiceLocatorAdapters.dll from the unofficial NHibernate AddIns project at https://bitbucket.org/fabiomaulo/unhaddins
• Download Ninject.dll and CommonServiceLocator.NinjectAdapter.dll from the Ninject project at http://ninject.org
• Download Microsoft.Practices.ServiceLocation.dll from the Microsoft patterns and practices team and available at http://commonservicelocator.codeplex.com/
• Put these three assemblies in your solution's Lib folder

How to do it…

1. Create a new console application project named IoCByteCode.
2. Add a reference to NHibernate.dll, Ninject.dll, CommonServiceLocator.NinjectAdapter.dll, uNHAddIns.CommonServiceLocatorAdapters.dll, and Microsoft.Practices.ServiceLocation.dll.
3. Add an interface named IPasswordHasher with the following method definition:

   string...