[gmpi] Re: low level API - Abstract Factory summary
- From: "Ron Kuper" <RonKuper@xxxxxxxxxxxx>
- To: <gmpi@xxxxxxxxxxxxx>
- Date: Tue, 8 Feb 2005 09:14:27 -0500
>>>
I think making it an object is just OO masturbation. It feels good, but
it doesn't really achieve anything.
<<<
The reason it seems overengineered is because the factor interface
hasn't been defined properly. I reall should be something like this:
struct IFactory
{
HRESULT CreateInstance( IUnknown** ppObj ) = 0;
};
HRESULT CreateFactory( CLSID clsidClass, IFactory** ppFactory );
The idea is: a single module can be a factory for a variety of different
classes. You instantiate new objects of a class through the factory for
the class, and you get the identify the factory by CLSID (GUID).
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