Can you provide a failing test with the reproduction
On 11/05/2011 8:17 AM, "Adam Langley" <[email protected]> wrote:
> Hi Craig,
>
> Thanks for that - I will give it a try ASAP.
> I thought it might be something like this - I noticed that when I forced a
local resolution to occur, then a final 'ComponentRegistered' event was
fired, which reported a 'closed generic' component... specialized to the
generic argument (so in this case, IDecorator<IServiceNoDependencies>) - but
it was not added to the list of 'registered components'.
> I dont know enough about Castle to comprehend what kind of lifecycle is
going on under the hood - it would be ideal if the WCF facility was able to
open hosts for these components without 'eager' resolution.
>
> Thanks for the help Craig,
>
> Adam Langley
>
>
>  Please consider the environment before printing this email!
>
> From: [email protected] [mailto:
[email protected]] On Behalf Of Craig Neuwirt
> Sent: Wednesday, 11 May 2011 7:53 a.m.
> To: [email protected]
> Cc: [email protected]
> Subject: Re: Wcf Facility (server) can not correctly resolve open generic
decorators
>
> Adam,
>
>   I believe the problem relates to the open-generic registration.  The Wcf
Facility waits for the service to be in the ready state before it opens the
host.  In this case, the container shows the ServiceGenericDependency
component as waiting for the IDecorator dependency.  It would be nice for
the container to handle this properly.  I have seen this before and added an
option to open the service host eagerly.  This will not wait for the
component to be reported as valid before opening the host.  In your example,
it resolved the issue
>
> var wcfFacility=XXXX
> wcfFacility.Services.OpenServiceHostsEagerly = true;
>
> cheers,
>   craig
>
>
> On May 7, 2011, at 1:24 AM, Adam Langley wrote:
>
>
> Dear Castle groups,
>
> I have a WCF service which has a single constructor dependency - this
dependency is 'generically decorated'.
>
> i.e. its constructor looks like this:
>
> public ServiceGenericDependency(IDecorator<IServiceNoDependencies> arg2)
> {
> }
>
> My 'decorator' constructor looks like this:
> public Decorator(T arg)
> {
> }
> Castle has the typeof(IDecorator<>) registration, and the
typeof(IServiceNoDependencies) registered.
> PROBLEM: The WCF Facility fails to create the server.
> IF I add a default constructor to my decorator class, then everything
works.
> IF I resolve the WCF service on the server (as a local component, i.e.
take WCFFacility out of the equation) then everything works.
> I have included a test program below - just reference WcfFacility +
Castle. This is quite an urgent issue for me.
> Thank you!
> using Castle.Windsor;
> using Castle.MicroKernel.Registration;
> using Castle.Facilities.WcfIntegration;
> using System.ServiceModel;
> namespace DecoratorChains
> {
>     class Program
>     {
>         static IWindsorContainer container;
>         static void Main(string[] args)
>         {
>             container = new WindsorContainer()
>                 .AddFacility<WcfFacility>();
>             // this is my decorator, it is capable of decorating any
service.
>
container.Register(Component.For(typeof(IDecorator<>)).ImplementedBy(typeof(Decorator<>)));
>             container.Register(
>
Component.For<IServiceGenericDependency>().ImplementedBy<ServiceGenericDependency>().LifeStyle.Transient
>                         .AsWcfService(new
DefaultServiceModel().AddEndpoints(
>                                 WcfEndpoint.BoundTo(new NetTcpBinding())
>                                     .At("net.tcp://localhost/Operations")
>                                 )
>                         )
>             );
>             // this is my service that WILL BE decorated, then used as a
constructor argument.
>
container.Register(Component.For<IServiceNoDependencies>().UsingFactoryMethod(()
=> new ServiceNoDependencies()));
>
>             var client =
ChannelFactory<IServiceGenericDependency>.CreateChannel(
>                 new NetTcpBinding(), new
EndpointAddress("net.tcp://localhost/Operations"));
>             // this passes
>             var cc = container.Resolve<IServiceGenericDependency>();
>
>             // this fails
>             client.DoSomething();
>         }
>     }
>     interface IServiceNoDependencies
>     {
>     }
>     class ServiceNoDependencies : IServiceNoDependencies
>     {
>     }
>     interface IDecorator<T>
>     where T : class
>     {
>     }
>     class Decorator<T> : IDecorator<T>
>         where T : class
>     {
>         /// <summary>
>         /// Remove this constructor and all tests will pass
>         /// </summary>
>         /// <param name="arg"></param>
>         public Decorator(T arg)
>         {
>         }
>     }
>     [ServiceContract]
>     interface IServiceGenericDependency
>     {
>         [OperationContract]
>         void DoSomething();
>     }
>     class ServiceGenericDependency : IServiceGenericDependency
>     {
>         public ServiceGenericDependency(IDecorator<IServiceNoDependencies>
arg2)
>         {
>         }
>         public void DoSomething()
>         {
>         }
>     }
> }
>
>
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