Passing arguments to interceptors

Thu, 05 Feb 2009 08:00:47 -0800

Hi everyone,

Maybe someone can help me on this one: what I'm trying to achieve - using Windsor - is to have the same interceptor type applied multiple times on the same component but with different parameters.

I can do this:
var c = new WindsorContainer();
c.Register(Component.For<MyClass>());
c.Register(Component.For<MyInterceptor>().LifeStyle.Transient);

var h = c.Kernel.GetHandler(typeof (MyClass));
h.ComponentModel.Interceptors.Add(new InterceptorReference(typeof(MyInterceptor)));
h.ComponentModel.Interceptors.Add(new InterceptorReference(typeof(MyInterceptor)));
h.ComponentModel.Interceptors.Add(new InterceptorReference(typeof(MyInterceptor)));

// three instances of MyInterceptor are created
var mc = c.Resolve<MyClass>();
// each instance of the created interceptor receives one call to Intercept
mc.DoSomething();

But of course, no parameters are passed to the interceptors.

Is there any built in way to pass parameters to the interceptors on creation?

I'm not afraid of extending the Castle code if necessary, but of course I ask beforehand. If a change is required, my idea is to add a dictionary to InterceptorReference that holds the arguments which are passed to the interceptor component on creation, just as it would be done when passing a dictionary to Resolve for extra parameters. Does this sound reasonable?

Regards,
Andre
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