ServiceCollectionDescriptorExtensions
Extension methods for adding and removing services to an IServiceCollection.
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Runtime.CompilerServices;
namespace Microsoft.Extensions.DependencyInjection.Extensions
{
[System.Runtime.CompilerServices.NullableContext(1)]
[System.Runtime.CompilerServices.Nullable(0)]
public static class ServiceCollectionDescriptorExtensions
{
public static IServiceCollection Add(this IServiceCollection collection, ServiceDescriptor descriptor)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(descriptor, "descriptor");
collection.Add(descriptor);
return collection;
}
public static IServiceCollection Add(this IServiceCollection collection, IEnumerable<ServiceDescriptor> descriptors)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(descriptors, "descriptors");
foreach (ServiceDescriptor descriptor in descriptors) {
collection.Add(descriptor);
}
return collection;
}
public static void TryAdd(this IServiceCollection collection, ServiceDescriptor descriptor)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(descriptor, "descriptor");
int count = collection.Count;
for (int i = 0; i < count; i++) {
if (collection[i].ServiceType == descriptor.ServiceType && object.Equals(collection[i].ServiceKey, descriptor.ServiceKey))
return;
}
collection.Add(descriptor);
}
public static void TryAdd(this IServiceCollection collection, IEnumerable<ServiceDescriptor> descriptors)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(descriptors, "descriptors");
foreach (ServiceDescriptor descriptor in descriptors) {
collection.TryAdd(descriptor);
}
}
public static void TryAddTransient(this IServiceCollection collection, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] Type service)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
ServiceDescriptor descriptor = ServiceDescriptor.Transient(service, service);
collection.TryAdd(descriptor);
}
public static void TryAddTransient(this IServiceCollection collection, Type service, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] Type implementationType)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
System.ThrowHelper.ThrowIfNull(implementationType, "implementationType");
ServiceDescriptor descriptor = ServiceDescriptor.Transient(service, implementationType);
collection.TryAdd(descriptor);
}
public static void TryAddTransient(this IServiceCollection collection, Type service, Func<IServiceProvider, object> implementationFactory)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
System.ThrowHelper.ThrowIfNull(implementationFactory, "implementationFactory");
ServiceDescriptor descriptor = ServiceDescriptor.Transient(service, implementationFactory);
collection.TryAdd(descriptor);
}
public static void TryAddTransient<[System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] TService>(this IServiceCollection collection) where TService : class
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
TryAddTransient(collection, typeof(TService), typeof(TService));
}
public static void TryAddTransient<TService, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] TImplementation>(this IServiceCollection collection) where TService : class where TImplementation : class, TService
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
TryAddTransient(collection, typeof(TService), typeof(TImplementation));
}
public static void TryAddTransient<TService>(this IServiceCollection services, Func<IServiceProvider, TService> implementationFactory) where TService : class
{
services.TryAdd(ServiceDescriptor.Transient(implementationFactory));
}
public static void TryAddScoped(this IServiceCollection collection, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] Type service)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
ServiceDescriptor descriptor = ServiceDescriptor.Scoped(service, service);
collection.TryAdd(descriptor);
}
public static void TryAddScoped(this IServiceCollection collection, Type service, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] Type implementationType)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
System.ThrowHelper.ThrowIfNull(implementationType, "implementationType");
ServiceDescriptor descriptor = ServiceDescriptor.Scoped(service, implementationType);
collection.TryAdd(descriptor);
}
public static void TryAddScoped(this IServiceCollection collection, Type service, Func<IServiceProvider, object> implementationFactory)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
System.ThrowHelper.ThrowIfNull(implementationFactory, "implementationFactory");
ServiceDescriptor descriptor = ServiceDescriptor.Scoped(service, implementationFactory);
collection.TryAdd(descriptor);
}
public static void TryAddScoped<[System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] TService>(this IServiceCollection collection) where TService : class
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
TryAddScoped(collection, typeof(TService), typeof(TService));
}
public static void TryAddScoped<TService, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] TImplementation>(this IServiceCollection collection) where TService : class where TImplementation : class, TService
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
TryAddScoped(collection, typeof(TService), typeof(TImplementation));
}
public static void TryAddScoped<TService>(this IServiceCollection services, Func<IServiceProvider, TService> implementationFactory) where TService : class
{
services.TryAdd(ServiceDescriptor.Scoped(implementationFactory));
}
public static void TryAddSingleton(this IServiceCollection collection, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] Type service)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
ServiceDescriptor descriptor = ServiceDescriptor.Singleton(service, service);
collection.TryAdd(descriptor);
}
public static void TryAddSingleton(this IServiceCollection collection, Type service, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] Type implementationType)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
System.ThrowHelper.ThrowIfNull(implementationType, "implementationType");
ServiceDescriptor descriptor = ServiceDescriptor.Singleton(service, implementationType);
collection.TryAdd(descriptor);
}
public static void TryAddSingleton(this IServiceCollection collection, Type service, Func<IServiceProvider, object> implementationFactory)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
System.ThrowHelper.ThrowIfNull(implementationFactory, "implementationFactory");
ServiceDescriptor descriptor = ServiceDescriptor.Singleton(service, implementationFactory);
collection.TryAdd(descriptor);
}
public static void TryAddSingleton<[System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] TService>(this IServiceCollection collection) where TService : class
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
TryAddSingleton(collection, typeof(TService), typeof(TService));
}
public static void TryAddSingleton<TService, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] TImplementation>(this IServiceCollection collection) where TService : class where TImplementation : class, TService
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
TryAddSingleton(collection, typeof(TService), typeof(TImplementation));
}
public static void TryAddSingleton<TService>(this IServiceCollection collection, TService instance) where TService : class
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(instance, "instance");
ServiceDescriptor descriptor = ServiceDescriptor.Singleton(typeof(TService), instance);
collection.TryAdd(descriptor);
}
public static void TryAddSingleton<TService>(this IServiceCollection services, Func<IServiceProvider, TService> implementationFactory) where TService : class
{
services.TryAdd(ServiceDescriptor.Singleton(implementationFactory));
}
public static void TryAddEnumerable(this IServiceCollection services, ServiceDescriptor descriptor)
{
System.ThrowHelper.ThrowIfNull(services, "services");
System.ThrowHelper.ThrowIfNull(descriptor, "descriptor");
Type implementationType = descriptor.GetImplementationType();
if (implementationType == typeof(object) || implementationType == descriptor.ServiceType)
throw new ArgumentException(System.SR.Format(System.SR.TryAddIndistinguishableTypeToEnumerable, implementationType, descriptor.ServiceType), "descriptor");
int count = services.Count;
for (int i = 0; i < count; i++) {
ServiceDescriptor serviceDescriptor = services[i];
if (serviceDescriptor.ServiceType == descriptor.ServiceType && serviceDescriptor.GetImplementationType() == implementationType && object.Equals(serviceDescriptor.ServiceKey, descriptor.ServiceKey))
return;
}
services.Add(descriptor);
}
public static void TryAddEnumerable(this IServiceCollection services, IEnumerable<ServiceDescriptor> descriptors)
{
System.ThrowHelper.ThrowIfNull(services, "services");
System.ThrowHelper.ThrowIfNull(descriptors, "descriptors");
foreach (ServiceDescriptor descriptor in descriptors) {
services.TryAddEnumerable(descriptor);
}
}
public static IServiceCollection Replace(this IServiceCollection collection, ServiceDescriptor descriptor)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(descriptor, "descriptor");
int count = collection.Count;
for (int i = 0; i < count; i++) {
if (collection[i].ServiceType == descriptor.ServiceType && object.Equals(collection[i].ServiceKey, descriptor.ServiceKey)) {
collection.RemoveAt(i);
break;
}
}
collection.Add(descriptor);
return collection;
}
public static IServiceCollection RemoveAll<[System.Runtime.CompilerServices.Nullable(2)] T>(this IServiceCollection collection)
{
return collection.RemoveAll(typeof(T));
}
public static IServiceCollection RemoveAll(this IServiceCollection collection, Type serviceType)
{
System.ThrowHelper.ThrowIfNull(serviceType, "serviceType");
for (int num = collection.Count - 1; num >= 0; num--) {
ServiceDescriptor serviceDescriptor = collection[num];
if (serviceDescriptor.ServiceType == serviceType && serviceDescriptor.ServiceKey == null)
collection.RemoveAt(num);
}
return collection;
}
public static void TryAddKeyedTransient(this IServiceCollection collection, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] Type service, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
ServiceDescriptor descriptor = ServiceDescriptor.KeyedTransient(service, serviceKey, service);
collection.TryAdd(descriptor);
}
public static void TryAddKeyedTransient(this IServiceCollection collection, Type service, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] Type implementationType)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
System.ThrowHelper.ThrowIfNull(implementationType, "implementationType");
ServiceDescriptor descriptor = ServiceDescriptor.KeyedTransient(service, serviceKey, implementationType);
collection.TryAdd(descriptor);
}
public static void TryAddKeyedTransient(this IServiceCollection collection, Type service, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey, [System.Runtime.CompilerServices.Nullable(new byte[] {
1,
1,
2,
1
})] Func<IServiceProvider, object, object> implementationFactory)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
System.ThrowHelper.ThrowIfNull(implementationFactory, "implementationFactory");
ServiceDescriptor descriptor = ServiceDescriptor.KeyedTransient(service, serviceKey, implementationFactory);
collection.TryAdd(descriptor);
}
public static void TryAddKeyedTransient<[System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] TService>(this IServiceCollection collection, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey) where TService : class
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
TryAddKeyedTransient(collection, typeof(TService), serviceKey, typeof(TService));
}
public static void TryAddKeyedTransient<TService, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] TImplementation>(this IServiceCollection collection, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey) where TService : class where TImplementation : class, TService
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
TryAddKeyedTransient(collection, typeof(TService), serviceKey, typeof(TImplementation));
}
public static void TryAddKeyedTransient<TService>(this IServiceCollection services, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey, [System.Runtime.CompilerServices.Nullable(new byte[] {
1,
1,
2,
1
})] Func<IServiceProvider, object, TService> implementationFactory) where TService : class
{
services.TryAdd(ServiceDescriptor.KeyedTransient(serviceKey, implementationFactory));
}
public static void TryAddKeyedScoped(this IServiceCollection collection, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] Type service, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
ServiceDescriptor descriptor = ServiceDescriptor.KeyedScoped(service, serviceKey, service);
collection.TryAdd(descriptor);
}
public static void TryAddKeyedScoped(this IServiceCollection collection, Type service, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] Type implementationType)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
System.ThrowHelper.ThrowIfNull(implementationType, "implementationType");
ServiceDescriptor descriptor = ServiceDescriptor.KeyedScoped(service, serviceKey, implementationType);
collection.TryAdd(descriptor);
}
public static void TryAddKeyedScoped(this IServiceCollection collection, Type service, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey, [System.Runtime.CompilerServices.Nullable(new byte[] {
1,
1,
2,
1
})] Func<IServiceProvider, object, object> implementationFactory)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
System.ThrowHelper.ThrowIfNull(implementationFactory, "implementationFactory");
ServiceDescriptor descriptor = ServiceDescriptor.KeyedScoped(service, serviceKey, implementationFactory);
collection.TryAdd(descriptor);
}
public static void TryAddKeyedScoped<[System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] TService>(this IServiceCollection collection, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey) where TService : class
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
TryAddKeyedScoped(collection, typeof(TService), serviceKey, typeof(TService));
}
public static void TryAddKeyedScoped<TService, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] TImplementation>(this IServiceCollection collection, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey) where TService : class where TImplementation : class, TService
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
TryAddKeyedScoped(collection, typeof(TService), serviceKey, typeof(TImplementation));
}
public static void TryAddKeyedScoped<TService>(this IServiceCollection services, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey, [System.Runtime.CompilerServices.Nullable(new byte[] {
1,
1,
2,
1
})] Func<IServiceProvider, object, TService> implementationFactory) where TService : class
{
services.TryAdd(ServiceDescriptor.KeyedScoped(serviceKey, implementationFactory));
}
public static void TryAddKeyedSingleton(this IServiceCollection collection, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] Type service, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
ServiceDescriptor descriptor = ServiceDescriptor.KeyedSingleton(service, serviceKey, service);
collection.TryAdd(descriptor);
}
public static void TryAddKeyedSingleton(this IServiceCollection collection, Type service, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] Type implementationType)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
System.ThrowHelper.ThrowIfNull(implementationType, "implementationType");
ServiceDescriptor descriptor = ServiceDescriptor.KeyedSingleton(service, serviceKey, implementationType);
collection.TryAdd(descriptor);
}
public static void TryAddKeyedSingleton(this IServiceCollection collection, Type service, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey, [System.Runtime.CompilerServices.Nullable(new byte[] {
1,
1,
2,
1
})] Func<IServiceProvider, object, object> implementationFactory)
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(service, "service");
System.ThrowHelper.ThrowIfNull(implementationFactory, "implementationFactory");
ServiceDescriptor descriptor = ServiceDescriptor.KeyedSingleton(service, serviceKey, implementationFactory);
collection.TryAdd(descriptor);
}
public static void TryAddKeyedSingleton<[System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] TService>(this IServiceCollection collection, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey) where TService : class
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
TryAddKeyedSingleton(collection, typeof(TService), serviceKey, typeof(TService));
}
public static void TryAddKeyedSingleton<TService, [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicConstructors)] TImplementation>(this IServiceCollection collection, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey) where TService : class where TImplementation : class, TService
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
TryAddKeyedSingleton(collection, typeof(TService), serviceKey, typeof(TImplementation));
}
public static void TryAddKeyedSingleton<TService>(this IServiceCollection collection, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey, TService instance) where TService : class
{
System.ThrowHelper.ThrowIfNull(collection, "collection");
System.ThrowHelper.ThrowIfNull(instance, "instance");
ServiceDescriptor descriptor = ServiceDescriptor.KeyedSingleton(typeof(TService), serviceKey, instance);
collection.TryAdd(descriptor);
}
public static void TryAddKeyedSingleton<TService>(this IServiceCollection services, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey, [System.Runtime.CompilerServices.Nullable(new byte[] {
1,
1,
2,
1
})] Func<IServiceProvider, object, TService> implementationFactory) where TService : class
{
services.TryAdd(ServiceDescriptor.KeyedSingleton(serviceKey, implementationFactory));
}
public static IServiceCollection RemoveAllKeyed<[System.Runtime.CompilerServices.Nullable(2)] T>(this IServiceCollection collection, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey)
{
return collection.RemoveAllKeyed(typeof(T), serviceKey);
}
public static IServiceCollection RemoveAllKeyed(this IServiceCollection collection, Type serviceType, [System.Runtime.CompilerServices.Nullable(2)] object serviceKey)
{
System.ThrowHelper.ThrowIfNull(serviceType, "serviceType");
for (int num = collection.Count - 1; num >= 0; num--) {
ServiceDescriptor serviceDescriptor = collection[num];
if (serviceDescriptor.ServiceType == serviceType && object.Equals(serviceDescriptor.ServiceKey, serviceKey))
collection.RemoveAt(num);
}
return collection;
}
}
}