Windsor Castle Typed Factory Object with Generics

I am trying to register a factory that can resolve an array of event handlers defined as follows:

    public interface IEvent { }

    public class EventA : IEvent { }
    public class EventB : IEvent { }
    public class EventC : IEvent { }


    public interface IHandler<TEvent> where TEvent : IEvent
    {
        void Handle(TEvent ev);
    }


    public class HandlerX : IHandler<EventA>, IHandler<EventB>
    {
        public void Handle(EventA ev)
        {
            throw new NotImplementedException("handle EventA");
        }

        public void Handle(EventB ev)
        {
            throw new NotImplementedException("handle EventB");
        }
    }

    public class HandlerY : IHandler<EventB>, IHandler<EventC>
    {
        public void Handle(EventB ev)
        {
            throw new NotImplementedException("handle EventB");
        }

        public void Handle(EventC ev)
        {
            throw new NotImplementedException("handle EventC");
        }
    }

    public interface HandlerFactory
    {
        object[] GetHandlersForEvent(IEvent ev);
    }

Basically, for each event, I can have more handlers, and each handler can handle several events. I also want the factory to return the object [], because at runtime I do not know which private types will be returned.

I tried the approach described by Krzysztof Koźmic http://kozmic.pl/2010/03/11/advanced-castle-windsor-ndash-generic-typed-factories-auto-release-and-more/ but still have problems. Basically my question comes down to what types are returned from my custom type derived from DefaultTypedFactoryComponentSelector.

I tried many options:

public class HandlerSelector : DefaultTypedFactoryComponentSelector
    {
        protected override TypedFactoryComponent BuildFactoryComponent(MethodInfo method, string componentName, Type componentType, System.Collections.IDictionary additionalArguments)
        {
            Type eventType = null;
            foreach (var k in additionalArguments.Values)
            {
                eventType = k.GetType();
            }

            var handlerType = typeof(IHandler<>).MakeGenericType(eventType);
            var handlerArrayType = handlerType.MakeArrayType();
            //return handlerArrayType;
            return new TypedFactoryComponentCollection(handlerType, additionalArguments);
        }

        protected override Type GetComponentType(MethodInfo method, object[] arguments)
        {
            return typeof (object);
            /*
            var message = arguments[0];
            var handlerType = typeof(IHandler<>).MakeGenericType(message.GetType());
            var handlerArrayType = handlerType.MakeArrayType();
            return handlerArrayType;
             */
        }

        /*
        public TypedFactoryComponent SelectComponent(MethodInfo method, Type type, object[] arguments)
        {
            var message = arguments[0];
            var handlerType = typeof(IHandler<>).MakeGenericType(message.GetType());
            var result = new TypedFactoryComponentCollection(handlerType.MakeArrayType(), new Arguments(arguments));
            return result;
        }*/
    }

Windsor, :

public class Installer : IWindsorInstaller
    {
        public void Install(IWindsorContainer container, IConfigurationStore store)
        {
            container.AddFacility<TypedFactoryFacility>()
                .Register(
                    Component.For<HandlerSelector>().ImplementedBy<HandlerSelector>(),
                    Component.For<AutoReleaseHandlerInterceptor>(),
                    AllTypes.FromAssemblyContaining<Program>()
                        .BasedOn(typeof(IHandler<>))
                        .WithService.Base()
                        .Configure(c => c.LifeStyle.Is(LifestyleType.Transient)
                                            .Interceptors<AutoReleaseHandlerInterceptor>()),
                    Component.For<HandlerFactory>().AsFactory(c => c.SelectedWith<HandlerSelector>()));
        }
    }

factory.GetHandlersForEvent(ev); , : " , ".

:

System.Collections.Generic.Dictionary 2.ValueCollection.CopyTo(TValue[] array, Int32 index)
at System.Collections.Generic.Dictionary
2.ValueCollection.System.Collections.ICollection.CopyTo( , Int32)
  Castle.MicroKernel.DefaultKernel.ResolveAll( , IDictionary) e:\OSS.Code\Castle.Windsor\src\Castle.Windsor\MicroKernel\DefaultKernel_Resolve.cs: 285
  Castle.Facilities.TypedFactory.TypedFactoryComponentCollection.Resolve( IKernel) e:\OSS.Code\Castle.Windsor\src\Castle.Windsor\Facilities\TypedFactory\TypedFactoryComponentCollection.cs: 39
  Castle.Facilities.TypedFactory.Internal.TypedFactoryInterceptor.Resolve( IInvocation) e:\OSS.Code\Castle.Windsor\src\Castle.Windsor\Facilities\TypedFactory\Internal\TypedFactoryInterceptor.cs: 173
  Castle.Facilities.TypedFactory.Internal.TypedFactoryInterceptor.Intercept( IInvocation) e:\OSS.Code\Castle.Windsor\src\Castle.Windsor\Facilities\TypedFactory\Internal\TypedFactoryInterceptor.cs: 83
  Castle.DynamicProxy.AbstractInvocation.Proceed()
  Castle.Proxies.HandlerFactoryProxy.GetHandlersForEvent(IEvent ev)
  CastleWindsorTests.Program.TryIt(HandlerFactory factory) c:\users\user\documents\visual studio 2010\Projects

HandlerSelector , factory, [], ? - ITypedFactoryComponentSelector/DefaultTypedFactoryComponentSelector. , http://docs.castleproject.org/(S(kwaa14uzdj55gv55dzgf0vui))/Windsor.Typed-Factory-Facility-interface-based-factories.ashx, .

( factory);).

+3
2

:

, , . xmldoc , , HandlerSelector :

public class HandlerSelector : DefaultTypedFactoryComponentSelector
{
    protected override TypedFactoryComponent BuildFactoryComponent(MethodInfo method, string componentName, Type componentType, System.Collections.IDictionary additionalArguments)
    {                
        return new TypedFactoryComponentCollection(componentType, additionalArguments);
    }

    protected override Type GetComponentType(MethodInfo method, object[] arguments)
    {
        var message = arguments[0];
        var handlerType = typeof(IHandler<>).MakeGenericType(message.GetType());
        return handlerType;
    }
}
+3

@workabyte

Castle v3 GetComponentType , BuildFactoryComponent :

protected override Func<IKernelInternal, IReleasePolicy, object> BuildFactoryComponent(MethodInfo method, string componentName, Type componentType, IDictionary additionalArguments)
{
    return (kernel, rp) => kernel.ResolveAll(componentType);
}
+1

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