private static IHostBuilder CreateDefaultHostBuilder(Type startupType)
{
// Define the root application builder, used for defining middleware and other application components
UOWApplication applicationBuilder = new UOWApplication();
AutofacServiceProviderFactory autofacServiceProviderFactory = new AutofacServiceProviderFactory();
// Create a root serviceProvider and add the Startup type into the container
ServiceCollection serviceDescriptors = new ServiceCollection();
serviceDescriptors.AddSingleton <UOWApplication>(applicationBuilder);
ContainerBuilder builder = autofacServiceProviderFactory.CreateBuilder(serviceDescriptors);
if (startupType != null)
{
builder.RegisterType(startupType).SingleInstance().AsSelf().As <UOWStartup>();
}
IServiceProvider rootServiceProvider = autofacServiceProviderFactory.CreateServiceProvider(builder);
// Get the root lifetime scope to be used as the appHost's parent container
ILifetimeScope rootLifetimeScope = rootServiceProvider.GetRequiredService <ILifetimeScope>();
IHostBuilder appHostBuilder = Host.CreateDefaultBuilder()
.UseWindowsService()
.UseServiceProviderFactory(new AutofacChildLifetimeScopeServiceProviderFactory(rootLifetimeScope))
.ConfigureServices(ConfigureServices);
if (startupType != null)
{
// Resolve the Startup type so the end use can inject into the constructor
UOWStartup startup = rootServiceProvider.GetRequiredService(startupType) as UOWStartup;
// Startup may register some dependencies
appHostBuilder.ConfigureServices(startup.ConfigureServices);
applicationBuilder.Startup = startup;
}
return(appHostBuilder);
}
public virtual void Configure(UOWApplication application)
{
}
