/// <summary>
/// If the existing proxy is insufficiently "narrow" (derived), instantiate a
/// new proxy and overwrite the registration of the old one. This breaks == and
/// occurs only for "class" proxies rather than "interface" proxies.
/// </summary>
/// <param name="proxy"></param>
/// <param name="persister"></param>
/// <param name="key"></param>
/// <param name="obj"></param>
/// <returns></returns>
public object NarrowProxy( object proxy, IClassPersister persister, Key key, object obj )
{
if( !persister.ConcreteProxyClass.IsAssignableFrom( proxy.GetType() ) )
{
if( log.IsWarnEnabled )
{
log.Warn(
"Narrowing proxy to " + persister.ConcreteProxyClass + " - this operation breaks =="
);
}
if( obj != null )
{
proxiesByKey.Remove( key );
return obj;
}
else
{
proxy = persister.CreateProxy( key.Identifier, this );
proxiesByKey[ key ] = proxy;
return proxy;
}
}
else
{
return proxy;
}
}
