[gmpi] Re: Summary 8.2: Parameters and saving/restoring state
- From: Marc Poirier <fipnid@xxxxxxxxx>
- To: gmpi@xxxxxxxxxxxxx
- Date: Tue, 9 Sep 2003 09:55:06 -0700 (PDT)
This sounds like a good summary to me. I would only add that I think that
plugin version should be a mandatory piece of
stata/datom/datical/whatever.
Marc
--- Tim Hockin wrote:
> By a vote (as best I can tally) of 5 to 2, option A, or something
> similar,
> wins the nomination. How's this sound?
>
>
> 8.2 Parameters and saving/restoring state
> -----------------------------------------
>
> For the purpose of saving and restoring state, the abstraction of stata
> (sing. statum) is introduced. A statum is a single atomic unit of
> state.
> A plugin's state is completely represented by it's stata. When a host
> wants to save the state of a plugin (for a preset, for a project file,
> etc.), the host can iterate over all the stata exposed by the plugin,
> and
> retrieve the current values. When restoring state, the host can set the
> values of the stata. Stata may be opaque blobs, which are
> unintelligible to
> the host. Whether or not stata are actually entities in the GMPI system
> is
> TBD. It may be decided that stata are actually abstracted from
> parameters,
> with a common (but not mandatory) 1-to-1 mapping, or it may be decided
> that
> stata and parameters are the same thing.
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