public static IDarkerHandlerBuilder AddDarker(this IServiceCollection services,
Action <DarkerOptions> configure = null)
{
if (services == null)
{
throw new ArgumentNullException(nameof(services));
}
var options = new DarkerOptions();
configure?.Invoke(options);
var handlerRegistry = new ServiceCollectionHandlerRegistry(services, options.HandlerLifetime);
var decoratorRegistry = new ServiceCollectionDecoratorRegistry(services, options.HandlerLifetime);
decoratorRegistry.RegisterDefaultDecorators();
var contextBag = new DarkerContextBag();
services.Add(new ServiceDescriptor(typeof(IQueryProcessor), provider => new QueryProcessor(
new HandlerConfiguration(handlerRegistry, new ServiceProviderHandlerFactory(provider), decoratorRegistry,
new ServiceProviderHandlerDecoratorFactory(provider)), options.QueryContextFactory, contextBag), options.QueryProcessorLifetime));
return(new ServiceCollectionDarkerHandlerBuilder(handlerRegistry, decoratorRegistry, contextBag));
}