Autofac Mediator

Mediator

/*
            builder.RegisterAssemblyTypes(new[] {Assembly.GetExecutingAssembly()})
                .Where(type => type.IsAssignableFrom(typeof (IQueryHandler<,>)))
                .AsImplementedInterfaces();
*/

    public class Mediator : IMediator
    {
        private readonly ILifetimeScope lifetimeScope;

        public Mediator(ILifetimeScope lifetimeScope)
        {
            if (lifetimeScope == null) throw new ArgumentNullException("lifetimeScope");
            this.lifetimeScope = lifetimeScope;
        }

        public TResponse Request<TResponse>(IQuery<TResponse> query)
        {
            var resolve = lifetimeScope.Resolve(typeof(IQueryHandler<,>).MakeGenericType(new[] { query.GetType(), typeof(TResponse)}));

            return (TResponse) resolve.GetType().GetMethod("Handle").Invoke(resolve, new object[] { query });
        }
    }