ServiceCollectionServiceExtensions.AddKeyedSingleton Method

Definition

Namespace:

Microsoft.Extensions.DependencyInjection

Assembly:

Microsoft.Extensions.DependencyInjection.Abstractions.dll

Package:

Microsoft.Extensions.DependencyInjection.Abstractions v9.0.0-rc.2.24473.5

Overloads

AddKeyedSingleton(IServiceCollection, Type, Object, Type)	Adds a singleton service of the type specified in serviceType with an implementation of the type specified in implementationType to the specified IServiceCollection.
AddKeyedSingleton(IServiceCollection, Type, Object, Object)	Adds a singleton service of the type specified in serviceType with an instance specified in implementationInstance to the specified IServiceCollection.
AddKeyedSingleton(IServiceCollection, Type, Object)	Adds a singleton service of the type specified in serviceType to the specified IServiceCollection.
AddKeyedSingleton(IServiceCollection, Type, Object, Func<IServiceProvider,Object,Object>)	Adds a singleton service of the type specified in serviceType with a factory specified in implementationFactory to the specified IServiceCollection.
AddKeyedSingleton<TService,TImplementation>(IServiceCollection, Object)	Adds a singleton service of the type specified in TService with an implementation type specified in TImplementation to the specified IServiceCollection.
AddKeyedSingleton<TService,TImplementation>(IServiceCollection, Object, Func<IServiceProvider,Object,TImplementation>)	Adds a singleton service of the type specified in TService with an implementation type specified in TImplementation using the factory specified in implementationFactory to the specified IServiceCollection.
AddKeyedSingleton<TService>(IServiceCollection, Object)	Adds a singleton service of the type specified in TService to the specified IServiceCollection.
AddKeyedSingleton<TService>(IServiceCollection, Object, Func<IServiceProvider,Object,TService>)	Adds a singleton service of the type specified in TService with a factory specified in implementationFactory to the specified IServiceCollection.
AddKeyedSingleton<TService>(IServiceCollection, Object, TService)	Adds a singleton service of the type specified in TService with an instance specified in implementationInstance to the specified IServiceCollection.

AddKeyedSingleton(IServiceCollection, Type, Object, Type)

Adds a singleton service of the type specified in serviceType with an implementation of the type specified in implementationType to the specified IServiceCollection.

public:
[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddKeyedSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Type ^ serviceType, System::Object ^ serviceKey, Type ^ implementationType);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddKeyedSingleton (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Type serviceType, object? serviceKey, Type implementationType);

static member AddKeyedSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type * obj * Type -> Microsoft.Extensions.DependencyInjection.IServiceCollection

<Extension()>
Public Function AddKeyedSingleton (services As IServiceCollection, serviceType As Type, serviceKey As Object, implementationType As Type) As IServiceCollection

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

serviceType

Type

The type of the service to register.

serviceKey

Object

The ServiceKey of the service.

implementationType

Type

The implementation type of the service.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton

AddKeyedSingleton(IServiceCollection, Type, Object, Object)

Adds a singleton service of the type specified in serviceType with an instance specified in implementationInstance to the specified IServiceCollection.

public:
[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddKeyedSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Type ^ serviceType, System::Object ^ serviceKey, System::Object ^ implementationInstance);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddKeyedSingleton (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Type serviceType, object? serviceKey, object implementationInstance);

static member AddKeyedSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type * obj * obj -> Microsoft.Extensions.DependencyInjection.IServiceCollection

<Extension()>
Public Function AddKeyedSingleton (services As IServiceCollection, serviceType As Type, serviceKey As Object, implementationInstance As Object) As IServiceCollection

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

serviceType

Type

The type of the service to register.

serviceKey

Object

The ServiceKey of the service.

implementationInstance

Object

The instance of the service.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton

AddKeyedSingleton(IServiceCollection, Type, Object)

Adds a singleton service of the type specified in serviceType to the specified IServiceCollection.

public:
[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddKeyedSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Type ^ serviceType, System::Object ^ serviceKey);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddKeyedSingleton (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Type serviceType, object? serviceKey);

static member AddKeyedSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type * obj -> Microsoft.Extensions.DependencyInjection.IServiceCollection

<Extension()>
Public Function AddKeyedSingleton (services As IServiceCollection, serviceType As Type, serviceKey As Object) As IServiceCollection

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

serviceType

Type

The type of the service to register and the implementation to use.

serviceKey

Object

The ServiceKey of the service.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton

AddKeyedSingleton(IServiceCollection, Type, Object, Func<IServiceProvider,Object,Object>)

Adds a singleton service of the type specified in serviceType with a factory specified in implementationFactory to the specified IServiceCollection.

public:
[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddKeyedSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Type ^ serviceType, System::Object ^ serviceKey, Func<IServiceProvider ^, System::Object ^, System::Object ^> ^ implementationFactory);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddKeyedSingleton (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Type serviceType, object? serviceKey, Func<IServiceProvider,object?,object> implementationFactory);

static member AddKeyedSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type * obj * Func<IServiceProvider, obj, obj> -> Microsoft.Extensions.DependencyInjection.IServiceCollection

<Extension()>
Public Function AddKeyedSingleton (services As IServiceCollection, serviceType As Type, serviceKey As Object, implementationFactory As Func(Of IServiceProvider, Object, Object)) As IServiceCollection

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

serviceType

Type

The type of the service to register.

serviceKey

Object

The ServiceKey of the service.

implementationFactory

Func<IServiceProvider,Object,Object>

The factory that creates the service.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton

AddKeyedSingleton<TService,TImplementation>(IServiceCollection, Object)

Adds a singleton service of the type specified in TService with an implementation type specified in TImplementation to the specified IServiceCollection.

public:
generic <typename TService, typename TImplementation>
 where TService : class where TImplementation : class, TService[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddKeyedSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, System::Object ^ serviceKey);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddKeyedSingleton<TService,TImplementation> (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, object? serviceKey) where TService : class where TImplementation : class, TService;

static member AddKeyedSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * obj -> Microsoft.Extensions.DependencyInjection.IServiceCollection (requires 'Service : null)

<Extension()>
Public Function AddKeyedSingleton(Of TService As Class, TImplementation As Class) (services As IServiceCollection, serviceKey As Object) As IServiceCollection

Type Parameters

TService

The type of the service to add.

TImplementation

The type of the implementation to use.

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

serviceKey

Object

The ServiceKey of the service.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton

AddKeyedSingleton<TService,TImplementation>(IServiceCollection, Object, Func<IServiceProvider,Object,TImplementation>)

Adds a singleton service of the type specified in TService with an implementation type specified in TImplementation using the factory specified in implementationFactory to the specified IServiceCollection.

public:
generic <typename TService, typename TImplementation>
 where TService : class where TImplementation : class, TService[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddKeyedSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, System::Object ^ serviceKey, Func<IServiceProvider ^, System::Object ^, TImplementation> ^ implementationFactory);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddKeyedSingleton<TService,TImplementation> (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, object? serviceKey, Func<IServiceProvider,object?,TImplementation> implementationFactory) where TService : class where TImplementation : class, TService;

static member AddKeyedSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * obj * Func<IServiceProvider, obj, #'Service> -> Microsoft.Extensions.DependencyInjection.IServiceCollection (requires 'Service : null)

<Extension()>
Public Function AddKeyedSingleton(Of TService As Class, TImplementation As Class) (services As IServiceCollection, serviceKey As Object, implementationFactory As Func(Of IServiceProvider, Object, TImplementation)) As IServiceCollection

Type Parameters

TService

The type of the service to add.

TImplementation

The type of the implementation to use.

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

serviceKey

Object

The ServiceKey of the service.

implementationFactory

Func<IServiceProvider,Object,TImplementation>

The factory that creates the service.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton

AddKeyedSingleton<TService>(IServiceCollection, Object)

Adds a singleton service of the type specified in TService to the specified IServiceCollection.

public:
generic <typename TService>
 where TService : class[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddKeyedSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, System::Object ^ serviceKey);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddKeyedSingleton<TService> (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, object? serviceKey) where TService : class;

static member AddKeyedSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * obj -> Microsoft.Extensions.DependencyInjection.IServiceCollection (requires 'Service : null)

<Extension()>
Public Function AddKeyedSingleton(Of TService As Class) (services As IServiceCollection, serviceKey As Object) As IServiceCollection

Type Parameters

TService

The type of the service to add.

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

serviceKey

Object

The ServiceKey of the service.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton

AddKeyedSingleton<TService>(IServiceCollection, Object, Func<IServiceProvider,Object,TService>)

Adds a singleton service of the type specified in TService with a factory specified in implementationFactory to the specified IServiceCollection.

public:
generic <typename TService>
 where TService : class[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddKeyedSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, System::Object ^ serviceKey, Func<IServiceProvider ^, System::Object ^, TService> ^ implementationFactory);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddKeyedSingleton<TService> (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, object? serviceKey, Func<IServiceProvider,object?,TService> implementationFactory) where TService : class;

static member AddKeyedSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * obj * Func<IServiceProvider, obj, 'Service (requires 'Service : null)> -> Microsoft.Extensions.DependencyInjection.IServiceCollection (requires 'Service : null)

<Extension()>
Public Function AddKeyedSingleton(Of TService As Class) (services As IServiceCollection, serviceKey As Object, implementationFactory As Func(Of IServiceProvider, Object, TService)) As IServiceCollection

Type Parameters

TService

The type of the service to add.

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

serviceKey

Object

The ServiceKey of the service.

implementationFactory

Func<IServiceProvider,Object,TService>

The factory that creates the service.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton

AddKeyedSingleton<TService>(IServiceCollection, Object, TService)

Adds a singleton service of the type specified in TService with an instance specified in implementationInstance to the specified IServiceCollection.

public:
generic <typename TService>
 where TService : class[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddKeyedSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, System::Object ^ serviceKey, TService implementationInstance);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddKeyedSingleton<TService> (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, object? serviceKey, TService implementationInstance) where TService : class;

static member AddKeyedSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * obj * 'Service -> Microsoft.Extensions.DependencyInjection.IServiceCollection (requires 'Service : null)

<Extension()>
Public Function AddKeyedSingleton(Of TService As Class) (services As IServiceCollection, serviceKey As Object, implementationInstance As TService) As IServiceCollection

Type Parameters

TService

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

serviceKey

Object

The ServiceKey of the service.

implementationInstance

TService

The instance of the service.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton