public void MixinForInterfaces()
{
GeneratorContext context = new GeneratorContext();
SimpleMixin mixin_instance = new SimpleMixin();
context.AddMixinInstance(mixin_instance);
AssertInvocationInterceptor interceptor = new AssertInvocationInterceptor();
MyInterfaceImpl target = new MyInterfaceImpl();
object proxy = _generator.CreateCustomProxy(
typeof(IMyInterface), interceptor, target, context);
Assert.IsNotNull(proxy);
Assert.IsTrue(typeof(IMyInterface).IsAssignableFrom(proxy.GetType()));
Assert.IsFalse(interceptor.Invoked);
ISimpleMixin mixin = proxy as ISimpleMixin;
Assert.IsNotNull(mixin);
Assert.AreEqual(1, mixin.DoSomething());
Assert.IsTrue(interceptor.Invoked);
Assert.AreSame(proxy, interceptor.proxy);
Assert.AreSame(mixin_instance, interceptor.mixin);
}
/// <summary>
/// Creates a proxy for an XML-RPC service.
/// </summary>
/// <typeparam name="T">XML-RPC service interface.</typeparam>
/// <returns></returns>
public T CreateProxy <T>()
{
//
// First, create mixin
XmlRpcServiceProxy mixin = new XmlRpcServiceProxy(typeof(T));
mixin.WebRequestFactory = new HttpXmlRpcWebRequestFactory();
//
// Now create implementation
GeneratorContext generatorContext = new GeneratorContext();
generatorContext.AddMixinInstance(mixin);
ProxyGenerator proxyGenerator = new ProxyGenerator();
return((T)proxyGenerator.CreateCustomProxy(typeof(T), new XmlRpcServiceProxyInterceptor(),
mixin, generatorContext));
}
/// <summary>
///
/// </summary>
/// <param name="kernel"></param>
/// <param name="model"></param>
/// <param name="constructorArguments"></param>
/// <returns></returns>
public override object Create(IKernel kernel, ComponentModel model, params object[] constructorArguments)
{
IMethodInterceptor[] interceptors = ObtainInterceptors(kernel, model);
IInterceptor interceptorChain = new InterceptorChain(interceptors);
// This is a hack to avoid unnecessary object creation
// and unecessary delegations.
// We supply our contracts (Interceptor and Invocation)
// and the implementation for Invocation dispatchers
// DynamicProxy should be able to use them as long as the
// signatures match
GeneratorContext context = new GeneratorContext();
context.Interceptor = typeof(IMethodInterceptor);
context.Invocation = typeof(IMethodInvocation);
context.SameClassInvocation = typeof(DefaultMethodInvocation);
context.InterfaceInvocation = typeof(DefaultMethodInvocation);
CustomizeContext(context, kernel, model, constructorArguments);
object proxy = null;
if (model.Service.IsInterface)
{
Object target = Activator.CreateInstance(model.Implementation, constructorArguments);
proxy = generator.CreateCustomProxy(CollectInterfaces(model.Service, model.Implementation),
interceptorChain, target, context);
}
else
{
proxy = generator.CreateCustomClassProxy(model.Implementation,
interceptorChain, context, constructorArguments);
}
CustomizeProxy(proxy, context, kernel, model);
return(proxy);
}
