/// <summary>
/// Creates a proxyfied interface according to the given definition.
/// </summary>
/// <param name="definition">Definition of the proxy to build.</param>
/// <param name="initialImplementation">Optional first and available implementation.</param>
/// <returns></returns>
internal static ServiceProxyBase CreateProxy(IProxyDefinition definition)
{
Debug.Assert(definition.TypeInterface.IsInterface, "This check MUST be done by ProxyDefinition implementation.");
string dynamicTypeName = String.Format("{0}_Proxy_{1}", definition.TypeInterface.Name, Interlocked.Increment(ref _typeID));
// Defines a public sealed class that implements typeInterface only.
TypeBuilder typeBuilder = _moduleBuilder.DefineType(
dynamicTypeName,
TypeAttributes.Class | TypeAttributes.Sealed,
definition.ProxyBase,
new Type[] { definition.TypeInterface });
// This defines the IService<typeInterface> interface.
if (definition.IsDynamicService)
{
// Our proxy object will implement both typeInterface and IService<typeInterface> interfaces.
Type serviceInterfaceType = typeof(IService <>).MakeGenericType(new Type[] { definition.TypeInterface });
typeBuilder.AddInterfaceImplementation(serviceInterfaceType);
}
ProxyGenerator pg = new ProxyGenerator(typeBuilder, definition);
pg.DefineConstructor();
pg.DefineServiceProperty();
pg.DefineImplementationProperty();
pg.ImplementInterface();
object unavailableImpl = CreateUnavailableImplementation(definition.TypeInterface, dynamicTypeName + "_UN");
return(pg.Finalize(unavailableImpl));
}