ServiceCollectionMap.TryAddSingleton Method

Definition

Namespace:

Microsoft.EntityFrameworkCore.Infrastructure

Assembly:

Microsoft.EntityFrameworkCore.dll

Package:

Microsoft.EntityFrameworkCore v9.0.0

Overloads

TryAddSingleton(Type, Type)	Adds a Singleton service implemented by the given concrete type if no service for the given service type has already been registered.
TryAddSingleton(Type, Func<IServiceProvider,Object>)	Adds a Singleton service implemented by the given factory if no service for the given service type has already been registered.
TryAddSingleton(Type, Object)	Adds a Singleton service implemented by the given instance if no service for the given service type has already been registered.
TryAddSingleton<TService,TImplementation>()	Adds a Singleton service implemented by the given concrete type if no service for the given service type has already been registered.
TryAddSingleton<TService,TImplementation>(Func<IServiceProvider,TImplementation>)	Adds a Singleton service implemented by the given factory if no service for the given service type has already been registered.
TryAddSingleton<TService>(Func<IServiceProvider,TService>)	Adds a Singleton service implemented by the given factory if no service for the given service type has already been registered.
TryAddSingleton<TService>(TService)	Adds a Singleton service implemented by the given instance if no service for the given service type has already been registered.

TryAddSingleton(Type, Type)

Source:

ServiceCollectionMap.cs

Adds a Singleton service implemented by the given concrete type if no service for the given service type has already been registered.

C#

public virtual Microsoft.EntityFrameworkCore.Infrastructure.ServiceCollectionMap TryAddSingleton (Type serviceType, Type implementationType);

Parameters

serviceType

Type

The contract for the service.

implementationType

Type

The concrete type that implements the service.

Returns

ServiceCollectionMap

The map, such that further calls can be chained.

TryAddSingleton(Type, Func<IServiceProvider,Object>)

Source:

ServiceCollectionMap.cs

Adds a Singleton service implemented by the given factory if no service for the given service type has already been registered.

C#

public virtual Microsoft.EntityFrameworkCore.Infrastructure.ServiceCollectionMap TryAddSingleton (Type serviceType, Func<IServiceProvider,object> factory);

Parameters

serviceType

Type

The contract for the service.

factory

Func<IServiceProvider,Object>

The factory that implements the service.

Returns

ServiceCollectionMap

The map, such that further calls can be chained.

TryAddSingleton(Type, Object)

Source:

ServiceCollectionMap.cs

Adds a Singleton service implemented by the given instance if no service for the given service type has already been registered.

C#

public virtual Microsoft.EntityFrameworkCore.Infrastructure.ServiceCollectionMap TryAddSingleton (Type serviceType, object implementation);

Parameters

serviceType

Type

The contract for the service.

implementation

Object

The object that implements the service.

Returns

ServiceCollectionMap

The map, such that further calls can be chained.

TryAddSingleton<TService,TImplementation>()

Source:

ServiceCollectionMap.cs

Adds a Singleton service implemented by the given concrete type if no service for the given service type has already been registered.

C#

public virtual Microsoft.EntityFrameworkCore.Infrastructure.ServiceCollectionMap TryAddSingleton<TService,TImplementation> () where TService : class where TImplementation : class, TService;

Type Parameters

TService

The contract for the service.

TImplementation

The concrete type that implements the service.

Returns

ServiceCollectionMap

The map, such that further calls can be chained.

TryAddSingleton<TService,TImplementation>(Func<IServiceProvider,TImplementation>)

Source:

ServiceCollectionMap.cs

Adds a Singleton service implemented by the given factory if no service for the given service type has already been registered.

C#

public virtual Microsoft.EntityFrameworkCore.Infrastructure.ServiceCollectionMap TryAddSingleton<TService,TImplementation> (Func<IServiceProvider,TImplementation> factory) where TService : class where TImplementation : class, TService;

Type Parameters

TService

The contract for the service.

TImplementation

The concrete type that the given factory creates.

Parameters

factory

Func<IServiceProvider,TImplementation>

The factory that implements the service.

Returns

ServiceCollectionMap

The map, such that further calls can be chained.

TryAddSingleton<TService>(Func<IServiceProvider,TService>)

Source:

ServiceCollectionMap.cs

Adds a Singleton service implemented by the given factory if no service for the given service type has already been registered.

C#

public virtual Microsoft.EntityFrameworkCore.Infrastructure.ServiceCollectionMap TryAddSingleton<TService> (Func<IServiceProvider,TService> factory) where TService : class;

Type Parameters

TService

The contract for the service.

Parameters

factory

Func<IServiceProvider,TService>

The factory that implements the service.

Returns

ServiceCollectionMap

The map, such that further calls can be chained.

TryAddSingleton<TService>(TService)

Source:

ServiceCollectionMap.cs

Adds a Singleton service implemented by the given instance if no service for the given service type has already been registered.

C#

public virtual Microsoft.EntityFrameworkCore.Infrastructure.ServiceCollectionMap TryAddSingleton<TService> (TService implementation) where TService : class;

Type Parameters

TService

The contract for the service.

Parameters

implementation

TService

The object that implements the service.

Returns

ServiceCollectionMap

The map, such that further calls can be chained.