private void RegisterInterfaces(Type component, SimpleInjector.Lifestyle lifestyle)
{
var registration = lifestyle.CreateRegistration(component, _container);
var interfaces = component.GetInterfaces();
foreach (var serviceType in interfaces)
{
addRegistration(serviceType, registration);
}
}
public SimpleInjectorJobActivator(Injector.Container container, Injector.Lifestyle lifestyle)
{
if (container == null)
{
throw new ArgumentNullException("container");
}
if (lifestyle == null)
{
throw new ArgumentNullException("lifestyle");
}
_container = container;
_lifestyle = lifestyle;
}
public static void Configure(Container container, SimpleInjector.Lifestyle lifeStyle)
{
container.Register<IFileParserService, FileParserService>(lifeStyle);
container.Register<IGridService, GridService>(lifeStyle);
container.Register<IPositionService, PositionService>(lifeStyle);
container.Register<IGameService, GameService>(lifeStyle);
container.Register<IMoveFactory, MoveFactory>(lifeStyle);
container.Register<ITurtleService, TurtleService>(lifeStyle);
container.Collection.Register(typeof(IMoveService), new[]
{
typeof(MoveForwardService),
typeof(MoveLeftService),
typeof(MoveRightService)
});
}
/// <summary>
/// Ensures that the decorator type that is returned from <paramref name="decoratorTypeFactory"/> is
/// supplied when the supplied <paramref name="predicate"/> returns <b>true</b> and cached with the given
/// <paramref name="lifestyle"/>, wrapping the original registered <paramref name="serviceType"/>, by
/// injecting that service type into the constructor of the decorator type that is returned by the
/// supplied <paramref name="decoratorTypeFactory"/>.
/// Multiple decorators may be applied to the same <paramref name="serviceType"/>. Decorators can be
/// applied to both open, closed, and non-generic service types.
/// </summary>
/// <remarks>
/// <para>
/// The types returned from the <paramref name="decoratorTypeFactory"/> may be non-generic,
/// closed-generic, open-generic and even partially-closed generic. The container will try to fill in
/// the generic parameters based on the resolved service type.
/// </para>
/// <para>
/// The <b>RegisterDecorator</b> method works by hooking onto the container's
/// <see cref="Container.ExpressionBuilt">ExpressionBuilt</see> event. This event fires after the
/// <see cref="Container.ResolveUnregisteredType">ResolveUnregisteredType</see> event, which allows
/// decoration of types that are resolved using unregistered type resolution.
/// </para>
/// <para>
/// Multiple decorators can be applied to the same service type. The order in which they are registered
/// is the order they get applied in. This means that the decorator that gets registered first, gets
/// applied first, which means that the next registered decorator, will wrap the first decorator, which
/// wraps the original service type.
/// </para>
/// <para>
/// Constructor injection will be used on that type, and although it may have many constructor
/// arguments, it must have exactly one argument of the type of <paramref name="serviceType"/>, or an
/// argument of type <see cref="Func{TResult}"/> where <b>TResult</b> is <paramref name="serviceType"/>.
/// An exception will be thrown when this is not the case.
/// </para>
/// <para>
/// The type returned from <paramref name="decoratorTypeFactory"/> may have a constructor with an
/// argument of type <see cref="Func{T}"/> where <b>T</b> is <paramref name="serviceType"/>. In this
/// case, the library will not inject the decorated <paramref name="serviceType"/> itself into the
/// decorator instance, but it will inject a <see cref="Func{T}"/> that allows
/// creating instances of the decorated type, according to the lifestyle of that type. This enables
/// more advanced scenarios, such as executing the decorated types on a different thread, or executing
/// decorated instance within a certain scope (such as a lifetime scope).
/// </para>
/// </remarks>
/// <example>
/// The following is an example of the registration of a decorator through the factory delegate:
/// <code lang="cs"><![CDATA[
/// container.Register<ICommandHandler<MoveCustomerCommand>, MoveCustomerCommandHandler>();
///
/// container.RegisterDecorator(
/// typeof(ICommandHandler<>),
/// context => typeof(LoggingCommandHandler<,>).MakeGenericType(
/// typeof(LoggingCommandHandler<,>).GetGenericArguments().First(),
/// context.ImplementationType),
/// Lifestyle.Transient,
/// context => true);
///
/// var handler = container.GetInstance<ICommandHandler<MoveCustomerCommand>>();
///
/// Assert.IsInstanceOfType(handler,
/// typeof(LoggingCommandHandler<MoveCustomerCommand, MoveCustomerCommandHandler>));
///
/// ]]></code>
/// The code above allows a generic <b>LoggingCommandHandler<TCommand, TImplementation></b> to
/// be applied to command handlers, where the second generic argument will be filled in using the
/// contextual information.
/// </example>
/// <param name="serviceType">The definition of the (possibly open generic) service type that will
/// be wrapped by the decorator type that is returned from <paramref name="decoratorTypeFactory"/>.</param>
/// <param name="decoratorTypeFactory">A factory that allows building Type objects that define the
/// decorators to inject, based on the given contextual information. The delegate is allowed to return
/// (partially) open-generic types.</param>
/// <param name="lifestyle">The lifestyle that specifies how the returned decorator will be cached.</param>
/// <param name="predicate">The predicate that determines whether the decorator must be applied to a
/// service type.</param>
/// <exception cref="ArgumentNullException">Thrown when one of the arguments is a null reference.</exception>
public void RegisterDecorator(Type serviceType,
Func <DecoratorPredicateContext, Type> decoratorTypeFactory, Lifestyle lifestyle,
Predicate <DecoratorPredicateContext> predicate)
{
Requires.IsNotNull(serviceType, nameof(serviceType));
Requires.IsNotNull(decoratorTypeFactory, nameof(decoratorTypeFactory));
Requires.IsNotNull(lifestyle, nameof(lifestyle));
Requires.IsNotNull(predicate, nameof(predicate));
var interceptor = new DecoratorInterceptor(
new DecoratorExpressionInterceptorData(
this, serviceType, null, predicate, lifestyle, decoratorTypeFactory));
this.ExpressionBuilt += interceptor.ExpressionBuilt;
}
/// <summary>
/// Ensures that the supplied <paramref name="decoratorType"/> decorator is returned and cached with
/// the given <paramref name="lifestyle"/>, wrapping the original registered
/// <paramref name="serviceType"/>, by injecting that service type into the constructor of the
/// supplied <paramref name="decoratorType"/>. Multiple decorators may be applied to the same
/// <paramref name="serviceType"/>. Decorators can be applied to both open, closed, and non-generic
/// service types.
/// </summary>
/// <remarks>
/// <para>
/// The <b>RegisterDecorator</b> method works by hooking onto the container's
/// <see cref="Container.ExpressionBuilt">ExpressionBuilt</see> event. This event fires after the
/// <see cref="Container.ResolveUnregisteredType">ResolveUnregisteredType</see> event, which allows
/// decoration of types that are resolved using unregistered type resolution.
/// </para>
/// <para>
/// Multiple decorators can be applied to the same service type. The order in which they are registered
/// is the order they get registered. This means that the decorator that gets registered first, gets
/// applied first, which means that the next registered decorator, will wrap the first decorator, which
/// wraps the original service type.
/// </para>
/// <para>
/// Constructor injection will be used on that type, and although it may have many constructor
/// arguments, it must have exactly one argument of the type of <paramref name="serviceType"/>, or an
/// argument of type <see cref="Func{TResult}"/> where <b>TResult</b> is <paramref name="serviceType"/>.
/// An exception will be thrown when this is not the case.
/// </para>
/// <para>
/// The registered <paramref name="decoratorType"/> may have a constructor with an argument of type
/// <see cref="Func{T}"/> where <b>T</b> is <paramref name="serviceType"/>. In this case, the
/// will not inject the decorated <paramref name="serviceType"/> itself into the
/// <paramref name="decoratorType"/> instance, but it will inject a <see cref="Func{T}"/> that allows
/// creating instances of the decorated type, according to the lifestyle of that type. This enables
/// more advanced scenarios, such as executing the decorated types on a different thread, or executing
/// decorated instance within a certain scope (such as a lifetime scope).
/// </para>
/// </remarks>
/// <example>
/// Please see the <see cref="RegisterDecorator(Type, Type)">RegisterDecorator</see> method
/// for more information.
/// </example>
/// <param name="serviceType">The definition of the (possibly open generic) service type that will
/// be wrapped by the given <paramref name="decoratorType"/>.</param>
/// <param name="decoratorType">The definition of the (possibly open generic) decorator type that will
/// be used to wrap the original service type.</param>
/// <param name="lifestyle">The lifestyle that specifies how the returned decorator will be cached.</param>
/// <exception cref="ArgumentNullException">Thrown when one of the arguments is a null reference.</exception>
/// <exception cref="ArgumentException">Thrown when <paramref name="serviceType"/> is not
/// an open generic type, when <paramref name="decoratorType"/> does not inherit from or
/// implement <paramref name="serviceType"/>, when <paramref name="decoratorType"/>
/// does not have a single public constructor, or when <paramref name="decoratorType"/> does
/// not contain a constructor that has exactly one argument of type
/// <paramref name="serviceType"/> or <see cref="Func{T}"/> where <b>T</b> is
/// <paramref name="serviceType"/>.</exception>
public void RegisterDecorator(Type serviceType, Type decoratorType, Lifestyle lifestyle)
{
this.RegisterDecoratorCore(serviceType, decoratorType, lifestyle: lifestyle);
}
/// <summary>
/// Ensures that the supplied <typeparamref name="TDecorator"/> decorator is returned and cached with
/// the given <paramref name="lifestyle"/>, wrapping the original registered
/// <typeparamref name="TService"/>, by injecting that service type into the constructor of the
/// supplied <typeparamref name="TDecorator"/>. Multiple decorators may be applied to the same
/// <typeparamref name="TService"/>. Decorators can be applied to both open, closed, and non-generic
/// service types.
/// </summary>
/// <remarks>
/// <para>
/// The <b>RegisterDecorator</b> method works by hooking onto the container's
/// <see cref="Container.ExpressionBuilt">ExpressionBuilt</see> event. This event fires after the
/// <see cref="Container.ResolveUnregisteredType">ResolveUnregisteredType</see> event, which allows
/// decoration of types that are resolved using unregistered type resolution.
/// </para>
/// <para>
/// Multiple decorators can be applied to the same service type. The order in which they are registered
/// is the order they get registered. This means that the decorator that gets registered first, gets
/// applied first, which means that the next registered decorator, will wrap the first decorator, which
/// wraps the original service type.
/// </para>
/// <para>
/// Constructor injection will be used on that type, and although it may have many constructor
/// arguments, it must have exactly one argument of the type of <typeparamref name="TService"/>, or an
/// argument of type <see cref="Func{TResult}"/> where <b>TResult</b> is <typeparamref name="TService"/>.
/// An exception will be thrown when this is not the case.
/// </para>
/// <para>
/// The registered <typeparamref name="TDecorator"/> may have a constructor with an argument of type
/// <see cref="Func{T}"/> where <b>T</b> is <typeparamref name="TService"/>. In this case, the
/// will not inject the decorated <typeparamref name="TService"/> itself into the
/// <typeparamref name="TDecorator"/> instance, but it will inject a <see cref="Func{T}"/> that allows
/// creating instances of the decorated type, according to the lifestyle of that type. This enables
/// more advanced scenarios, such as executing the decorated types on a different thread, or executing
/// decorated instance within a certain scope (such as a lifetime scope).
/// </para>
/// </remarks>
/// <example>
/// Please see <see cref="RegisterDecorator(Type, Type)"/> for an example.
/// </example>
/// <typeparam name="TService">The service type that will be wrapped by the given
/// <typeparamref name="TDecorator"/>.</typeparam>
/// <typeparam name="TDecorator">The decorator type that will be used to wrap the original service type.</typeparam>
/// <param name="lifestyle">The lifestyle that specifies how the returned decorator will be cached.</param>
/// <exception cref="ArgumentNullException">Thrown when one of the arguments is a null reference.</exception>
/// <exception cref="ArgumentException">Thrown when <typeparamref name="TDecorator"/>
/// does not have a single public constructor, or when <typeparamref name="TDecorator"/> does
/// not contain a constructor that has exactly one argument of type
/// <typeparamref name="TService"/> or <see cref="Func{T}"/> where <b>T</b> is
/// <typeparamref name="TService"/>.</exception>
public void RegisterDecorator <TService, TDecorator>(Lifestyle lifestyle)
{
this.RegisterDecoratorCore(typeof(TService), typeof(TDecorator), lifestyle: lifestyle);
}
private static IServiceProvider GetServiceProviderForBackgroundThread(Container container, Lifestyle lifestyle) =>
Lifestyle.Scoped.GetCurrentScope(container) != null
? container.GetInstance <IServiceScope>().ServiceProvider
: throw new ActivationException(
$"You are trying to resolve a {lifestyle.Name} cross-wired service, but are doing so outside the context " +
$"of a web request. To be able to resolve this service, the operation must run in the context of an " +
$"active ({container.Options.DefaultScopedLifestyle.Name}) scope.");
/// <summary>
/// Registers all concrete, non-generic, public and internal types in the given set of
/// <paramref name="assemblies"/> that implement the given <paramref name="openGenericServiceType"/>
/// with the supplied <paramref name="lifestyle"/>.
/// <see cref="TypesToRegisterOptions.IncludeDecorators">Decorators</see> and
/// <see cref="TypesToRegisterOptions.IncludeGenericTypeDefinitions">generic type definitions</see>
/// will be excluded from registration, while
/// <see cref="TypesToRegisterOptions.IncludeComposites">composites</see> are included.
/// </summary>
/// <param name="openGenericServiceType">The definition of the open generic type.</param>
/// <param name="assemblies">A list of assemblies that will be searched.</param>
/// <param name="lifestyle">The lifestyle to register instances with.</param>
/// <exception cref="ArgumentNullException">Thrown when one of the arguments contain a null
/// reference (Nothing in VB).</exception>
/// <exception cref="ArgumentException">Thrown when <paramref name="openGenericServiceType"/> is not
/// an open generic type.</exception>
/// <exception cref="InvalidOperationException">Thrown when the given set of
/// <paramref name="assemblies"/> contain multiple types that implement the same
/// closed generic version of the given <paramref name="openGenericServiceType"/>.</exception>
public void Register(Type openGenericServiceType, IEnumerable <Assembly> assemblies, Lifestyle lifestyle)
{
Requires.IsNotNull(openGenericServiceType, nameof(openGenericServiceType));
Requires.IsNotNull(lifestyle, nameof(lifestyle));
Requires.IsNotNull(assemblies, nameof(assemblies));
Requires.IsGenericType(openGenericServiceType, nameof(openGenericServiceType),
guidance: StringResources.SuppliedTypeIsNotGenericExplainingAlternativesWithAssemblies);
Requires.IsNotPartiallyClosed(openGenericServiceType, nameof(openGenericServiceType));
Requires.IsOpenGenericType(openGenericServiceType, nameof(openGenericServiceType),
guidance: StringResources.SuppliedTypeIsNotOpenGenericExplainingAlternativesWithAssemblies);
Type[] skippedDecorators;
Type[] implementationTypes = this.GetNonGenericTypesToRegisterForOneToOneMapping(
openGenericServiceType, assemblies, out skippedDecorators);
this.Register(openGenericServiceType, implementationTypes, lifestyle);
this.AddSkippedDecorators(openGenericServiceType, skippedDecorators);
}
/// <summary>
/// Registers all supplied <paramref name="implementationTypes"/> based on the closed-generic version
/// of the given <paramref name="openGenericServiceType"/> with the given <paramref name="lifestyle"/>.
/// </summary>
/// <param name="openGenericServiceType">The definition of the open generic type.</param>
/// <param name="implementationTypes">A list types to be registered.</param>
/// <param name="lifestyle">The lifestyle to register instances with.</param>
/// <exception cref="ArgumentNullException">Thrown when one of the arguments contain a null
/// reference (Nothing in VB).</exception>
/// <exception cref="ArgumentException">Thrown when <paramref name="openGenericServiceType"/> is not
/// an open generic type or when one of the supplied types from the
/// <paramref name="implementationTypes"/> collection does not derive from
/// <paramref name="openGenericServiceType"/>.</exception>
/// <exception cref="InvalidOperationException">Thrown when the given set of
/// <paramref name="implementationTypes"/> contain multiple types that implement the same
/// closed generic version of the given <paramref name="openGenericServiceType"/>.</exception>
public void Register(Type openGenericServiceType, IEnumerable <Type> implementationTypes, Lifestyle lifestyle)
{
Requires.IsNotNull(openGenericServiceType, nameof(openGenericServiceType));
Requires.IsNotNull(lifestyle, nameof(lifestyle));
Requires.IsNotNull(implementationTypes, nameof(implementationTypes));
Requires.IsGenericType(openGenericServiceType, nameof(openGenericServiceType),
guidance: StringResources.SuppliedTypeIsNotGenericExplainingAlternativesWithTypes);
Requires.IsNotPartiallyClosed(openGenericServiceType, nameof(openGenericServiceType));
Requires.IsOpenGenericType(openGenericServiceType, nameof(openGenericServiceType),
guidance: StringResources.SuppliedTypeIsNotOpenGenericExplainingAlternativesWithTypes);
implementationTypes = implementationTypes.Distinct().ToArray();
Requires.DoesNotContainNullValues(implementationTypes, nameof(implementationTypes));
Requires.CollectionDoesNotContainOpenGenericTypes(implementationTypes, nameof(implementationTypes));
Requires.ServiceIsAssignableFromImplementations(openGenericServiceType, implementationTypes,
nameof(implementationTypes), typeCanBeServiceType: false);
var mappings =
from mapping in BatchMapping.Build(openGenericServiceType, implementationTypes)
let registration = lifestyle.CreateRegistration(mapping.ImplementationType, this)
from serviceType in mapping.ClosedServiceTypes
select new { serviceType, registration };
foreach (var mapping in mappings)
{
this.AddRegistration(mapping.serviceType, mapping.registration);
}
}
public static void RegisterEventHandlersFromAssemblyOf <T>(this Container container, Lifestyle lifestyle)
{
var assembly = typeof(T).GetTypeInfo().Assembly;
RegisterEventHandlersFromAssembly(container, assembly, lifestyle);
}
/// <summary>
/// Ensures that the supplied <typeparamref name="TDecorator"/> decorator is returned and cached with
/// the given <paramref name="lifestyle"/>, wrapping the original registered
/// <typeparamref name="TService"/>, by injecting that service type into the constructor of the
/// supplied <typeparamref name="TDecorator"/>. Multiple decorators may be applied to the same
/// <typeparamref name="TService"/>. Decorators can be applied to both open, closed, and non-generic
/// service types.
/// </summary>
/// <remarks>
/// <para>
/// The <b>RegisterDecorator</b> method works by hooking onto the container's
/// <see cref="Container.ExpressionBuilt">ExpressionBuilt</see> event. This event fires after the
/// <see cref="Container.ResolveUnregisteredType">ResolveUnregisteredType</see> event, which allows
/// decoration of types that are resolved using unregistered type resolution.
/// </para>
/// <para>
/// Multiple decorators can be applied to the same service type. The order in which they are registered
/// is the order they get registered. This means that the decorator that gets registered first, gets
/// applied first, which means that the next registered decorator, will wrap the first decorator, which
/// wraps the original service type.
/// </para>
/// <para>
/// Constructor injection will be used on that type, and although it may have many constructor
/// arguments, it must have exactly one argument of the type of <typeparamref name="TService"/>, or an
/// argument of type <see cref="Func{TResult}"/> where <b>TResult</b> is <typeparamref name="TService"/>.
/// An exception will be thrown when this is not the case.
/// </para>
/// <para>
/// The registered <typeparamref name="TDecorator"/> may have a constructor with an argument of type
/// <see cref="Func{T}"/> where <b>T</b> is <typeparamref name="TService"/>. In this case, the
/// will not inject the decorated <typeparamref name="TService"/> itself into the
/// <typeparamref name="TDecorator"/> instance, but it will inject a <see cref="Func{T}"/> that allows
/// creating instances of the decorated type, according to the lifestyle of that type. This enables
/// more advanced scenarios, such as executing the decorated types on a different thread, or executing
/// decorated instance within a certain scope (such as a lifetime scope).
/// </para>
/// </remarks>
/// <example>
/// Please see <see cref="RegisterDecorator(Type, Type)"/> for an example.
/// </example>
/// <typeparam name="TService">The service type that will be wrapped by the given
/// <typeparamref name="TDecorator"/>.</typeparam>
/// <typeparam name="TDecorator">The decorator type that will be used to wrap the original service type.</typeparam>
/// <param name="lifestyle">The lifestyle that specifies how the returned decorator will be cached.</param>
/// <exception cref="ArgumentNullException">Thrown when one of the arguments is a null reference.</exception>
/// <exception cref="ArgumentException">Thrown when <typeparamref name="TDecorator"/>
/// does not have a single public constructor, or when <typeparamref name="TDecorator"/> does
/// not contain a constructor that has exactly one argument of type
/// <typeparamref name="TService"/> or <see cref="Func{T}"/> where <b>T</b> is
/// <typeparamref name="TService"/>.</exception>
public void RegisterDecorator <TService, TDecorator>(Lifestyle lifestyle)
where TService : class
where TDecorator : class, TService
{
this.RegisterDecoratorCore(typeof(TService), typeof(TDecorator), lifestyle: lifestyle);
}
private static IServiceProvider GetServiceProviderForBackgroundThread(
Container container, Lifestyle lifestyle) =>
Lifestyle.Scoped.GetCurrentScope(container) != null
? container.GetInstance <IServiceScope>().ServiceProvider
: throw new ActivationException(
public static void RegisterCommandHandlersFromAssembly(this Container container, Assembly assembly, Lifestyle lifestyle)
{
if (lifestyle == null)
{
throw new ArgumentNullException(nameof(lifestyle));
}
var types = assembly.DefinedTypes.Where(x => x.IsClass && !x.IsAbstract && !x.IsGenericType &&
(
x.IsAssignableToGenericType(typeof(ICommandHandler <>)) ||
x.IsAssignableToGenericType(typeof(ICommandHandler <,>)) ||
x.IsAssignableToGenericType(typeof(IAsyncCommandHandler <>)) ||
x.IsAssignableToGenericType(typeof(IAsyncCommandHandler <,>))
));
foreach (var o in types.Select(t => new { Implementation = t, Services = t.ImplementedInterfaces }))
{
var type = o.Implementation.AsType();
var attr = o.Implementation.GetCustomAttribute <LifetimeAttribute>();
var registration = (attr?.Lifestyle ?? lifestyle).CreateRegistration(type, container);
container.AddRegistration(type, registration);
foreach (var serviceType in o.Services)
{
container.AddRegistration(serviceType, registration);
}
}
}
public static void RegisterCommandHandlersFromAssemblyOf <T>(this Container container, Lifestyle lifestyle)
{
RegisterCommandHandlersFromAssembly(container, typeof(T).GetTypeInfo().Assembly, lifestyle);
}
public static void RegisterCqrsFromAssemblyOf <T>(this Container container, Lifestyle lifestyle)
{
RegisterCommandHandlersFromAssemblyOf <T>(container, lifestyle);
RegisterQueryHandlersFromAssemblyOf <T>(container, lifestyle);
RegisterEventHandlersFromAssemblyOf <T>(container, lifestyle);
}
private void RegisterDecoratorCore(Type serviceType, Type decoratorType,
Predicate <DecoratorPredicateContext> predicate = null, Lifestyle lifestyle = null)
{
Requires.IsNotNull(serviceType, nameof(serviceType));
Requires.IsNotNull(decoratorType, nameof(decoratorType));
Requires.ServiceTypeIsNotClosedWhenImplementationIsOpen(serviceType, decoratorType);
Requires.ServiceOrItsGenericTypeDefinitionIsAssignableFromImplementation(serviceType, decoratorType, nameof(serviceType));
Requires.ImplementationHasSelectableConstructor(this, serviceType, decoratorType, nameof(decoratorType));
Requires.IsDecorator(this, serviceType, decoratorType, nameof(decoratorType));
Requires.DecoratorIsNotAnOpenGenericTypeDefinitionWhenTheServiceTypeIsNot(serviceType, decoratorType, nameof(decoratorType));
Requires.OpenGenericTypeDoesNotContainUnresolvableTypeArguments(serviceType, decoratorType, nameof(decoratorType));
var interceptor = new DecoratorInterceptor(
new DecoratorExpressionInterceptorData(
this, serviceType, decoratorType, predicate, lifestyle ?? this.SelectionBasedLifestyle));
this.ExpressionBuilt += interceptor.ExpressionBuilt;
}
/// <summary>
/// Allows registrations made using the <see cref="IServiceCollection"/> API to be resolved by Simple Injector.
/// </summary>
/// <param name="container">The container.</param>
/// <param name="app">The <see cref="IApplicationBuilder"/> instance.</param>
public static void AutoCrossWireAspNetComponents(this Container container, IApplicationBuilder app)
{
if (container == null)
{
throw new ArgumentNullException(nameof(container));
}
if (app == null)
{
throw new ArgumentNullException(nameof(app));
}
var services = (IServiceCollection)container.GetItem(CrossWireContextKey);
if (services == null)
{
throw new InvalidOperationException(
"To use this method, please make sure cross-wiring is enabled, by invoking " +
$"the {nameof(EnableSimpleInjectorCrossWiring)} extension method as part of the " +
"ConfigureServices method of the Startup class. " +
"See https://simpleinjector.org/aspnetcore for more information.");
}
if (container.Options.DefaultScopedLifestyle == null)
{
throw new InvalidOperationException(
"To be able to allow auto cross-wiring, please ensure that the container is configured with a " +
"default scoped lifestyle by setting the Container.Options.DefaultScopedLifestyle property " +
"with the required scoped lifestyle for your type of application. In ASP.NET Core, the typical " +
$"lifestyle to use is the {nameof(AsyncScopedLifestyle)}. " +
"See: https://simpleinjector.org/lifestyles#scoped");
}
CrossWireServiceScope(container, app);
IHttpContextAccessor accessor = GetHttpContextAccessor(app);
container.ResolveUnregisteredType += (s, e) =>
{
if (e.Handled)
{
return;
}
Type serviceType = e.UnregisteredServiceType;
ServiceDescriptor descriptor = FindServiceDescriptor(services, serviceType);
if (descriptor != null)
{
Lifestyle lifestyle = ToLifestyle(descriptor.Lifetime);
// Create a cross-wire registration that calls back into the .NET Core container.
Registration registration = lifestyle.CreateRegistration(serviceType,
() => GetServiceProvider(accessor, container).GetRequiredService(serviceType),
container);
// Apply the required suppressions.
if (lifestyle == Lifestyle.Transient && typeof(IDisposable).IsAssignableFrom(serviceType))
{
registration.SuppressDiagnosticWarning(
DiagnosticType.DisposableTransientComponent,
justification: "This is a cross-wired service. ASP.NET will ensure it gets disposed.");
}
e.Register(registration);
}
};
}
/// <summary>
/// Registers all concrete, non-generic, public and internal types in the given set of
/// <paramref name="assemblies"/> that implement the given <paramref name="openGenericServiceType"/>
/// with the supplied <paramref name="lifestyle"/>.
/// </summary>
/// <param name="openGenericServiceType">The definition of the open generic type.</param>
/// <param name="assemblies">A list of assemblies that will be searched.</param>
/// <param name="lifestyle">The lifestyle to register instances with.</param>
/// <exception cref="ArgumentNullException">Thrown when one of the arguments contain a null
/// reference (Nothing in VB).</exception>
/// <exception cref="ArgumentException">Thrown when <paramref name="openGenericServiceType"/> is not
/// an open generic type.</exception>
/// <exception cref="InvalidOperationException">Thrown when the given set of
/// <paramref name="assemblies"/> contain multiple types that implement the same
/// closed generic version of the given <paramref name="openGenericServiceType"/>.</exception>
public void Register(Type openGenericServiceType, IEnumerable <Assembly> assemblies, Lifestyle lifestyle)
{
Requires.IsNotNull(openGenericServiceType, nameof(openGenericServiceType));
Requires.IsNotNull(lifestyle, nameof(lifestyle));
Requires.IsNotNull(assemblies, nameof(assemblies));
Requires.IsGenericType(openGenericServiceType, nameof(openGenericServiceType),
guidance: StringResources.SuppliedTypeIsNotGenericExplainingAlternativesWithAssemblies);
Requires.IsNotPartiallyClosed(openGenericServiceType, nameof(openGenericServiceType));
Requires.IsOpenGenericType(openGenericServiceType, nameof(openGenericServiceType),
guidance: StringResources.SuppliedTypeIsNotOpenGenericExplainingAlternativesWithAssemblies);
var implementationTypes = this.GetTypesToRegister(openGenericServiceType, assemblies);
this.Register(openGenericServiceType, implementationTypes, lifestyle);
}