我对autofac非常陌生,遇到问题。 我使用的Web API。我将我的模块像这样:Autofac解决依赖关系
public class CormarModule : Module
{
// Fields
private readonly string _connectionStringName;
private readonly connectionType _connection;
/// <summary>
/// Default constructor
/// </summary>
public CormarModule() {
_connectionStringName = ConfigurationManager.AppSettings["ConnectionStringName"];
_connection = _connectionStringName.ToUpper().Contains("LIVE") ? connectionType.Live : connectionType.Test;
}
protected override void Load(ContainerBuilder builder)
{
// Singletons
builder.RegisterType<DatabaseContext>().As<DatabaseContext>().SingleInstance();
builder.RegisterType<UnitOfWork<DatabaseContext>>().As<IUnitOfWork>().SingleInstance();
builder.Register(c => new OracleUnitOfWork(_connectionStringName)).As<IOracleUnitOfWork>().SingleInstance();
builder.Register(c => new AdvancedEncryptionStandardProvider(ConfigurationManager.AppSettings["rm:key"], ConfigurationManager.AppSettings["rm:secret"])).As<IAdvancedEncryptionStandardProvider>().SingleInstance();
// Register our services
builder.RegisterType<AccountService>().As<IAccountService>();
builder.RegisterType<DeliveryInformationService>().As<IDeliveryInformationService>();
builder.RegisterType<EmailService>().As<IEmailService>();
builder.RegisterType<LogService>().As<ILogService>();
builder.RegisterType<OrderService>().As<IOrderService>();
builder.RegisterType<OrderLineService>().As<IOrderLineService>();
builder.RegisterType<PaymentHistoryService>().As<IPaymentHistoryService>();
builder.RegisterType<PrincipleProvider>().As<IPrincipleProvider>();
builder.RegisterType<ProductService>().As<IProductService>();
builder.RegisterType<RefreshTokenService>().As<IRefreshTokenService>();
builder.RegisterType<StockService>().As<IStockService>();
builder.Register(c => new UserStore<User>(c.Resolve<DatabaseContext>())).As<IUserStore<User>>();
// Single instance
builder.RegisterType<OAuthProvider>().As<OAuthProvider>();
builder.RegisterType<LogProvider>().As<ILogProvider>();
builder.RegisterType<RefreshTokenProvider>().As<IAuthenticationTokenProvider>();
builder.Register(c => new SendGridProvider(c.Resolve<IUnitOfWork>(), c.Resolve<IEmailService>(), ConfigurationManager.AppSettings["SendGridApiKey"])).As<ISendGridProvider>();
builder.Register(c => new UserProvider(_connectionStringName, c.Resolve<IUserStore<User>>(), c.Resolve<IAdvancedEncryptionStandardProvider>(), c.Resolve<ISendGridProvider>())).As<IUserProvider>();
// Per request
builder.RegisterType<DeliveryInformationProvider>().As<IDeliveryInformationProvider>().InstancePerRequest();
builder.RegisterType<JournalProvider>().As<IJournalProvider>().InstancePerRequest();
builder.RegisterType<StockProvider>().As<IStockProvider>().PropertiesAutowired(PropertyWiringOptions.AllowCircularDependencies).InstancePerRequest();
builder.Register(c => new AccountProvider(_connection, c.Resolve<IAccountService>(), c.Resolve<IPrincipleProvider>(), c.Resolve<IAdvancedEncryptionStandardProvider>(), c.Resolve<IPaymentHistoryService>())).As<IAccountProvider>().InstancePerRequest();
builder.Register(c => new ProductProvider(_connection, c.Resolve<IProductService>())).As<IProductProvider>().InstancePerRequest();
builder.Register(c => new OrderProvider(_connection, c.Resolve<IOrderService>(), c.Resolve<IPrincipleProvider>(), c.Resolve<IAdvancedEncryptionStandardProvider>())).As<IOrderProvider>().PropertiesAutowired(PropertyWiringOptions.AllowCircularDependencies).InstancePerRequest();
builder.Register(c => new OrderLineProvider(_connection, c.Resolve<IOrderLineService>(), c.Resolve<IPrincipleProvider>(), c.Resolve<IAdvancedEncryptionStandardProvider>())).As<IOrderLineProvider>().InstancePerRequest();
}
}
我与不同的范围挣扎。 我解释我的问题之前有一点背景。
每个提供商具有所需服务并且每个控制器具有一个或多个提供者注入。 每个供应商可以有一个可选的供应商应该只有当方法调用该供应商时才能解决。
我有的问题是我不知道如何设置。 我打算将生命期范围注入构造函数和方法中,解决所需的提供程序,但我已经读过这是不好的做法,再加上它会创建一个新实例。我想为每个请求使用一个实例,但只有在该请求中需要时才需要。
我希望这是有道理的,我希望有人能帮助!