LightInject TopShelf

LightInject.TopShelf.cs

public static class LightInjectServiceConfiguratorExtensions
{
	public static Func<T> GetFactory<T>() where T : class
	{
		return () => ServiceFactoryExtensions.GetInstance<T>(LightInjectBuilderConfigurator.ServiceContainer);
	}

	public static ServiceConfigurator<T> ConstructUsingLightInject<T>(this ServiceConfigurator<T> configurator) where T : class
	{
		Type[] interfaces = typeof(T).GetInterfaces();
		if (interfaces != null && interfaces.Length != 0 && typeof(ServiceControl).IsAssignableFrom(typeof(T)))
		{
			configurator.WhenStarted((Func<T, HostControl, bool>)((T service, HostControl control) => service.Start(control)));
			configurator.WhenStopped((Func<T, HostControl, bool>)((T service, HostControl control) => service.Stop(control)));
		}
		ServiceConfiguratorExtensions.ConstructUsing<T>(configurator, GetFactory<T>());
		return configurator;
	}

	public static ServiceConfigurator<T> ConstructUsingLightInject<T>(this ServiceConfigurator<T> configurator, Func<T, bool> start, Func<T, bool> stop) where T : class
	{
		ServiceConfiguratorExtensions.ConstructUsing<T>(configurator, GetFactory<T>());
		configurator.WhenStarted((Func<T, HostControl, bool>)((T service, HostControl control) => start(service)));
		configurator.WhenStopped((Func<T, HostControl, bool>)((T service, HostControl control) => stop(service)));
		return configurator;
	}
}

public class LightInjectBuilderConfigurator : HostBuilderConfigurator, Configurator
{
	public static IServiceContainer ServiceContainer
	{
		get;
		private set;
	}

	public LightInjectBuilderConfigurator(IServiceContainer serviceContainer)
	{
		if (serviceContainer == null)
		{
			throw new ArgumentNullException("serviceContainer");
		}
		ServiceContainer = serviceContainer;
	}

	public IEnumerable<ValidateResult> Validate()
	{
		yield break;
	}

	public HostBuilder Configure(HostBuilder builder)
	{
		return builder;
	}
}


public static class HostConfiguratorExtensions
{
	public static HostConfigurator UseLightInject(this HostConfigurator configurator, IServiceContainer serviceContainer)
	{
		configurator.AddConfigurator(new LightInjectBuilderConfigurator(serviceContainer));
		return configurator;
	}
}