Register/Resolve 使用带有 Castle Windsor 的开放通用祖先类型的部分封闭通用后代

Question

与祖先class:

abstract class MyOpenGenericAncestor<T, TOptions>

和后代 class:

class MyPartiallyClosedDescendant<T> : MyOpenGenericAncestor<T, MyConcreteOptionsType>

我希望能够使用 MyOpenGenericAncestor 解析 MyPartiallyClosedDescendant，例如：

MyOpenGenericAncestor<T, TOptions> ResolveGeneric<T, TOptions>(TOptions options)
{
    // assume options are used for stuff
    return _container.Resolve<MyOpenGenericAncestor<T, TOptions>();
}

有没有办法做到这一点？在此代码的当前实现中，注册如下所示：

var assemblyFilter = new AssemblyFilter("C:\thePath\", "MyStuff.*.dll");
var myTypes = Classes
    .FromAssemblyInDirectory(assemblyFilter)
    .BasedOn(typeof(MyOpenGenericAncestor<,>))
    .WithServiceBase()
    .LifestyleTransient();

container.Register(myTypes);

通过此注册，MyPartiallyClosedDescendant 被注册为一个组件，但调用 ResolveGeneric(myConcreateOptionsInstance) 会导致 Castle.MicroKernel.ComponentNotFoundException 并显示消息，没有找到支持服务 MyOpenGenericAncestor`2[MyConcreateTType, MyConcreateOptionsType] 的组件.获取该异常是有道理的，但是有没有办法通过请求祖先来注册 and/or 解析后代？

Answer 1

在Castle中，有IGenericImplementationMatchingStrategy就是为了这个目的。不幸的是，我不确定如何在会议注册中使用它，所以至少这个...

public class MyOpenGenericAncestorMatchingStrategy : IGenericImplementationMatchingStrategy
{
    public Type[] GetGenericArguments(ComponentModel model, CreationContext context)
    {
        return new[] { context.GenericArguments[1] };
    }
}

container.Register(Component.For(typeof(MyOpenGenericAncestor<,>))
.ImplementedBy(typeof(MyPartiallyClosedDescendant<>), new MyOpenGenericAncestorMatchingStrategy()));

Register/Resolve 使用带有 Castle Windsor 的开放通用祖先类型的部分封闭通用后代

Register/Resolve partially closed generic descendant using open generic ancestor type with Castle Windsor

c#

generics

castle-windsor

windsor-facilities