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class Microsoft.Extensions.DependencyInjection.ActivatorUtilities
Assembly: Microsoft.Extensions.DependencyInjection.Abstractions
Inheritance: object → ActivatorUtilities
Helper code for the various activator services.
Methods
public static
ObjectFactory
CreateFactory(System.Type instanceType,
System.Type[] argumentTypes)
Creates a delegate that will instantiate a type with constructor arguments provided directly
and/or from an <see cref="T:System.IServiceProvider" /> .
Returns A factory that will instantiate instanceType using an <see cref="T:System.IServiceProvider" />
and an argument array containing objects matching the types defined in argumentTypes.
instanceType
The type to activate.
argumentTypes
The types of objects, in order, that will be passed to the returned function as its second parameter.
public static
ObjectFactory<T>
CreateFactory(System.Type[] argumentTypes)
Creates a delegate that will instantiate a type with constructor arguments provided directly
and/or from an <see cref="T:System.IServiceProvider" /> .
Returns A factory that will instantiate type <typeparamref name="T" /> using an <see cref="T:System.IServiceProvider" />
and an argument array containing objects matching the types defined in <paramref name="argumentTypes" /> .
argumentTypes
The types of objects, in order, that will be passed to the returned function as its second parameter.
public static
object
CreateInstance(System.IServiceProvider provider,
System.Type instanceType,
object[] parameters)
Instantiates a type with constructor arguments provided directly and/or from an <see cref="T:System.IServiceProvider" /> .
Returns An activated object of type instanceType.
provider
The service provider used to resolve dependencies.
instanceType
The type to activate.
parameters
Constructor arguments not provided by the <paramref name="provider" /> .
public static
T
CreateInstance(System.IServiceProvider provider,
object[] parameters)
Instantiates a type with constructor arguments provided directly and/or from an <see cref="T:System.IServiceProvider" /> .
Returns An activated object of type <typeparamref name="T" /> .
provider
The service provider used to resolve dependencies.
parameters
Constructor arguments not provided by <paramref name="provider" /> .
public static
object
GetServiceOrCreateInstance(System.IServiceProvider provider,
System.Type type)
Retrieve an instance of the given type from the service provider. If one is not found then instantiate it directly.
Returns The resolved service or created instance.
provider
The service provider.
type
The type of the service.
public static
T
GetServiceOrCreateInstance(System.IServiceProvider provider)
Retrieve an instance of the given type from the service provider. If one is not found then instantiate it directly.
Returns The resolved service or created instance.
provider
The service provider used to resolve dependencies.
public
bool
Equals(object obj)
Inherited from object
protected
void
Finalize()
Inherited from object
public
int
GetHashCode()
Inherited from object
protected
object
MemberwiseClone()
Inherited from object
public
string
ToString()
Inherited from object