using System;

using System.Security.Principal;

using Microsoft.Practices.Unity;

public class Program

{

    public static void Main()

{

    using (var container = new UnityContainer())

    {

        container.RegisterType<IAuthoringRepository>(

            new InjectionFactory(c => CreateAuthoringRepository()));

​

        Console.WriteLine("debug - resolving model");

        var model = container.Resolve<Model>();

    }

}

​

public static IAuthoringRepository CreateAuthoringRepository()

{

    Console.WriteLine("debug - calling factory");

    return new AuthoringRepository

        { Identity = WindowsIdentity.GetCurrent() };

}

}

​

public class Model

{

    public Model(IAuthoringRepository repository)

    {

        Console.WriteLine(

            "Constructing model with repository identity of "

            + repository.Identity);

    }

}

​

public interface IAuthoringRepository

{

    IIdentity Identity { get; }

}

​

public class AuthoringRepository : IAuthoringRepository

{

    public IIdentity Identity { get; set; }

}