/// <summary>
/// Wraps the given instance in a proxy with interception hooked up if it
/// is required by policy. If not required, returns the unwrapped instance.
/// </summary>
/// <param name="instance">object to wrap.</param>
/// <param name="typeToReturn">Type of the reference to return.</param>
/// <param name="policiesForThisType">Policy set specific to typeToReturn.</param>
/// <returns>The object with policy added.</returns>
protected override object DoWrap(object instance, Type typeToReturn, PolicySet policiesForThisType)
{
if (PolicyRequiresInterception(policiesForThisType))
{
InterceptingRealProxy proxy =
new InterceptingRealProxy(UnwrapTarget(instance), typeToReturn, policiesForThisType);
return(proxy.GetTransparentProxy());
}
return(instance);
}
private object UnwrapTarget(object target)
{
if (RemotingServices.IsTransparentProxy(target))
{
InterceptingRealProxy realProxy =
RemotingServices.GetRealProxy(target) as InterceptingRealProxy;
if (realProxy != null)
{
return(realProxy.Target);
}
}
return(target);
}