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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