Extension for safe registration of Facility

WindsorExtensions.cs

using System.Linq;
using Castle.MicroKernel;
using Castle.Windsor;

public static class WindsorExtensions
{
    public static IWindsorContainer AddFacilitySafe<TFacility>(this IWindsorContainer container)
        where TFacility : class, IFacility, new()
    {
        if (container.Kernel.GetFacilities().Any(x => x.GetType() == typeof(TFacility)))
            return container;
        return container.AddFacility<TFacility>();
   }
}