[gmpi] Re: low level API - Abstract Factory summary
- From: "Ron Kuper" <RonKuper@xxxxxxxxxxxx>
- To: <gmpi@xxxxxxxxxxxxx>
- Date: Wed, 9 Feb 2005 15:16:57 -0500
> What guarantees a GUID is unique?
http://www.opengroup.org/onlinepubs/9629399/apdxa.htm
-----Original Message-----
From: gmpi-bounce@xxxxxxxxxxxxx [mailto:gmpi-bounce@xxxxxxxxxxxxx] On
Behalf Of Tim Hockin
Sent: Wednesday, February 09, 2005 3:06 PM
To: gmpi@xxxxxxxxxxxxx
Subject: [gmpi] Re: low level API - Abstract Factory summary
On Wed, Feb 09, 2005 at 09:09:02AM -0500, Ron Kuper wrote:
> Because only GUIDs are guaranteed to be globally unique across space
and
> time. Company names change, products get versioned but use the same
> name, etc. At some level there needs to be a fudgeproof unique ID.
What guarantees a GUID is unique?
> -----Original Message-----
> From: gmpi-bounce@xxxxxxxxxxxxx [mailto:gmpi-bounce@xxxxxxxxxxxxx] On
> Behalf Of Angus F. Hewlett
> Sent: Wednesday, February 09, 2005 9:01 AM
> To: gmpi@xxxxxxxxxxxxx
> Subject: [gmpi] Re: low level API - Abstract Factory summary
>
> I'd very much prefer (Manufacturer,Name) string pairs or
> Apple-component-style (com.company.product) strings. Why do we need
> GUIDs?
>
> Regards,
> Angus.
>
> Ron Kuper wrote:
>
> >I was thinking GUIDs. We could make them string-ified GUIDs if that
> >helps. In your opinion are GUIDs as hard to discover and assign as
> >strings?
> >
> >-----Original Message-----
> >From: gmpi-bounce@xxxxxxxxxxxxx [mailto:gmpi-bounce@xxxxxxxxxxxxx] On
> >Behalf Of Steve Harris
> >Sent: Wednesday, February 09, 2005 5:07 AM
> >To: gmpi@xxxxxxxxxxxxx
> >Subject: [gmpi] Re: low level API - Abstract Factory summary
> >
> >On Wed, Feb 09, 2005 at 12:33:33 +1300, jeffmcc@xxxxxxxxxx wrote:
> >
> >
> >>>HRESULT CreateFactory( CLSID clsidClass, IFactory**
> >>>
> >>>
> >> ppFactory );
> >>
> >>Hi Ron,
> >> So each plugin has a unique ID code, we pass that to the
> >>factory, it returns a GMPI_Plugin interface. That's good...
> >>
> >>
> >
> >If were working with unique IDs, please make them strings. Its much
> >easier
> >to discover and assign globally unique strings that integers.
> >
> >- Steve
> >
>
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>
> --
> =========================================================
> Angus F. Hewlett, Managing Director (CEO)
> FXpansion Audio UK Ltd - http://www.fxpansion.com
> Registered in the UK - #4455834 - VAT: GB 798 7782 33
> =========================================================
>
>
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--
Tim Hockin
thockin@xxxxxxxxxx
Soon anyone who's not on the World Wide Web will qualify for a
government
subsidy for the home-pageless.
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