Class OptionsAttribute

Controls the IInjector during the dependency resolution.

Inheritance

System.Object

OptionsAttribute

Namespace: Solti.Utils.DI.Interfaces

Assembly: Solti.Utils.DI.Interfaces.dll

Syntax

public sealed class OptionsAttribute : Attribute

Remarks

Constructors

OptionsAttribute()

Declaration

public OptionsAttribute()

Properties

Key

The (optional) service key. The value of this property will be passed to the corresponding scope invocation:

class MyService
{
    public MyService([Options(Key = "...")] IDependency dependency) {...}
}

translates to

scope => new MyService(scope.Get(typeof(IDependency), options.Key))

Declaration

public object Key { get; set; }

Property Value

Type	Description
System.Object

Optional

Indicates whether a dependency is optional or not. In practice:

class MyService
{
    public MyService([Options(Optional = true)] IDependency dependency) {...}
}

translates to

scope => new MyService(scope.TryGet(typeof(IDependency), options.Key))

while

class MyService
{
    public MyService([Options(Optional = false)] IDependency dependency) {...}
}

becomes

scope => new MyService(scope.Get(typeof(IDependency), options.Key))

Declaration

public bool Optional { get; set; }

Property Value

Type	Description
System.Boolean

Remarks

This option is ignored if you are using the MS preferred DI (System.IServiceProvider).