ServiceDescriptor.KeyedSingleton Method

Definition

Namespace:

Microsoft.Extensions.DependencyInjection

Assembly:

Microsoft.Extensions.DependencyInjection.Abstractions.dll

Package:

Microsoft.Extensions.DependencyInjection.Abstractions v9.0.0

Overloads

KeyedSingleton(Type, Object, Func<IServiceProvider,Object,Object>)	Creates an instance of ServiceDescriptor with the specified serviceType, implementationFactory, and the Singleton lifetime.
KeyedSingleton(Type, Object, Object)	Creates an instance of ServiceDescriptor with the specified serviceType, implementationInstance, and the Singleton lifetime.
KeyedSingleton(Type, Object, Type)	Creates an instance of ServiceDescriptor with the specified service and implementationType and the Singleton lifetime.
KeyedSingleton<TService,TImplementation>(Object, Func<IServiceProvider,Object,TImplementation>)	Creates an instance of ServiceDescriptor with the specified TService, TImplementation, implementationFactory, and the Singleton lifetime.
KeyedSingleton<TService,TImplementation>(Object)	Creates an instance of ServiceDescriptor with the specified TService, TImplementation, and the Singleton lifetime.
KeyedSingleton<TService>(Object, Func<IServiceProvider,Object,TService>)	Creates an instance of ServiceDescriptor with the specified TService, implementationFactory, and the Singleton lifetime.
KeyedSingleton<TService>(Object, TService)	Creates an instance of ServiceDescriptor with the specified TService, implementationInstance, and the Singleton lifetime.

KeyedSingleton(Type, Object, Func<IServiceProvider,Object,Object>)

Source:

ServiceDescriptor.cs

Creates an instance of ServiceDescriptor with the specified serviceType, implementationFactory, and the Singleton lifetime.

public:
 static Microsoft::Extensions::DependencyInjection::ServiceDescriptor ^ KeyedSingleton(Type ^ serviceType, System::Object ^ serviceKey, Func<IServiceProvider ^, System::Object ^, System::Object ^> ^ implementationFactory);

public static Microsoft.Extensions.DependencyInjection.ServiceDescriptor KeyedSingleton (Type serviceType, object? serviceKey, Func<IServiceProvider,object?,object> implementationFactory);

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

Public Shared Function KeyedSingleton (serviceType As Type, serviceKey As Object, implementationFactory As Func(Of IServiceProvider, Object, Object)) As ServiceDescriptor

Parameters

serviceType

Type

The type of the service.

serviceKey

Object

The ServiceKey of the service.

implementationFactory

Func<IServiceProvider,Object,Object>

A factory to create new instances of the service implementation.

Returns

ServiceDescriptor

A new instance of ServiceDescriptor.

KeyedSingleton(Type, Object, Object)

Source:

ServiceDescriptor.cs

Creates an instance of ServiceDescriptor with the specified serviceType, implementationInstance, and the Singleton lifetime.

public:
 static Microsoft::Extensions::DependencyInjection::ServiceDescriptor ^ KeyedSingleton(Type ^ serviceType, System::Object ^ serviceKey, System::Object ^ implementationInstance);

public static Microsoft.Extensions.DependencyInjection.ServiceDescriptor KeyedSingleton (Type serviceType, object? serviceKey, object implementationInstance);

static member KeyedSingleton : Type * obj * obj -> Microsoft.Extensions.DependencyInjection.ServiceDescriptor

Public Shared Function KeyedSingleton (serviceType As Type, serviceKey As Object, implementationInstance As Object) As ServiceDescriptor

Parameters

serviceType

Type

The type of the service.

serviceKey

Object

The ServiceKey of the service.

implementationInstance

Object

The instance of the implementation.

Returns

ServiceDescriptor

A new instance of ServiceDescriptor.

KeyedSingleton(Type, Object, Type)

Source:

ServiceDescriptor.cs

Creates an instance of ServiceDescriptor with the specified service and implementationType and the Singleton lifetime.

public:
 static Microsoft::Extensions::DependencyInjection::ServiceDescriptor ^ KeyedSingleton(Type ^ service, System::Object ^ serviceKey, Type ^ implementationType);

public static Microsoft.Extensions.DependencyInjection.ServiceDescriptor KeyedSingleton (Type service, object? serviceKey, Type implementationType);

static member KeyedSingleton : Type * obj * Type -> Microsoft.Extensions.DependencyInjection.ServiceDescriptor

Public Shared Function KeyedSingleton (service As Type, serviceKey As Object, implementationType As Type) As ServiceDescriptor

Parameters

service

Type

The type of the service.

serviceKey

Object

The ServiceKey of the service.

implementationType

Type

The type of the implementation.

Returns

ServiceDescriptor

A new instance of ServiceDescriptor.

KeyedSingleton<TService,TImplementation>(Object, Func<IServiceProvider,Object,TImplementation>)

Source:

ServiceDescriptor.cs

Creates an instance of ServiceDescriptor with the specified TService, TImplementation, implementationFactory, and the Singleton lifetime.

public:
generic <typename TService, typename TImplementation>
 where TService : class where TImplementation : class, TService static Microsoft::Extensions::DependencyInjection::ServiceDescriptor ^ KeyedSingleton(System::Object ^ serviceKey, Func<IServiceProvider ^, System::Object ^, TImplementation> ^ implementationFactory);

public static Microsoft.Extensions.DependencyInjection.ServiceDescriptor KeyedSingleton<TService,TImplementation> (object? serviceKey, Func<IServiceProvider,object?,TImplementation> implementationFactory) where TService : class where TImplementation : class, TService;

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

Public Shared Function KeyedSingleton(Of TService As Class, TImplementation As Class) (serviceKey As Object, implementationFactory As Func(Of IServiceProvider, Object, TImplementation)) As ServiceDescriptor

Type Parameters

TService

The type of the service.

TImplementation

The type of the implementation.

Parameters

serviceKey

Object

The ServiceKey of the service.

implementationFactory

Func<IServiceProvider,Object,TImplementation>

A factory to create new instances of the service implementation.

Returns

ServiceDescriptor

A new instance of ServiceDescriptor.

KeyedSingleton<TService,TImplementation>(Object)

Source:

ServiceDescriptor.cs

Creates an instance of ServiceDescriptor with the specified TService, TImplementation, and the Singleton lifetime.

public:
generic <typename TService, typename TImplementation>
 where TService : class where TImplementation : class, TService static Microsoft::Extensions::DependencyInjection::ServiceDescriptor ^ KeyedSingleton(System::Object ^ serviceKey);

public static Microsoft.Extensions.DependencyInjection.ServiceDescriptor KeyedSingleton<TService,TImplementation> (object? serviceKey) where TService : class where TImplementation : class, TService;

static member KeyedSingleton : obj -> Microsoft.Extensions.DependencyInjection.ServiceDescriptor (requires 'Service : null)

Public Shared Function KeyedSingleton(Of TService As Class, TImplementation As Class) (serviceKey As Object) As ServiceDescriptor

Type Parameters

TService

The type of the service.

TImplementation

The type of the implementation.

Parameters

serviceKey

Object

The ServiceKey of the service.

Returns

ServiceDescriptor

A new instance of ServiceDescriptor.

KeyedSingleton<TService>(Object, Func<IServiceProvider,Object,TService>)

Source:

ServiceDescriptor.cs

Creates an instance of ServiceDescriptor with the specified TService, implementationFactory, and the Singleton lifetime.

public:
generic <typename TService>
 where TService : class static Microsoft::Extensions::DependencyInjection::ServiceDescriptor ^ KeyedSingleton(System::Object ^ serviceKey, Func<IServiceProvider ^, System::Object ^, TService> ^ implementationFactory);

public static Microsoft.Extensions.DependencyInjection.ServiceDescriptor KeyedSingleton<TService> (object? serviceKey, Func<IServiceProvider,object?,TService> implementationFactory) where TService : class;

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

Public Shared Function KeyedSingleton(Of TService As Class) (serviceKey As Object, implementationFactory As Func(Of IServiceProvider, Object, TService)) As ServiceDescriptor

Type Parameters

TService

The type of the service.

Parameters

serviceKey

Object

The ServiceKey of the service.

implementationFactory

Func<IServiceProvider,Object,TService>

A factory to create new instances of the service implementation.

Returns

ServiceDescriptor

A new instance of ServiceDescriptor.

KeyedSingleton<TService>(Object, TService)

Source:

ServiceDescriptor.cs

Creates an instance of ServiceDescriptor with the specified TService, implementationInstance, and the Singleton lifetime.

public:
generic <typename TService>
 where TService : class static Microsoft::Extensions::DependencyInjection::ServiceDescriptor ^ KeyedSingleton(System::Object ^ serviceKey, TService implementationInstance);

public static Microsoft.Extensions.DependencyInjection.ServiceDescriptor KeyedSingleton<TService> (object? serviceKey, TService implementationInstance) where TService : class;

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

Public Shared Function KeyedSingleton(Of TService As Class) (serviceKey As Object, implementationInstance As TService) As ServiceDescriptor

Type Parameters

TService

The type of the service.

Parameters

serviceKey

Object

The ServiceKey of the service.

implementationInstance

TService

The instance of the implementation.

Returns

ServiceDescriptor

A new instance of ServiceDescriptor.