Think I got my second question answered :)
The second install, I would call it "makeItSo" :)

The question I still have is, why would not those be cast in terms of 
ProfileChangeOperation (in the sense, inherit from there), maybe with a 
additional helpers?

On 2011-02-07, at 5:04 PM, David Orme wrote:

> P2 team,
> 
> Overview
> 
> We have been proposing an additional layer on top of P2 to take care of 80% 
> of the auto-update use-cases really simply.  The purpose of this message is 
> to run our proposed API past the community and make sure we're not doing 
> anything silly or stupid as well as to hopefully elicit constructive feedback 
> about this proposal.
> 
> Proposal
> 
> 1) public InstallStatus install(Set<URL> p2Sites) throws InstallError
> 
> The purpose of this API is simply to synchronize the running platform with 
> the union of the IUs available on p2Sites.  New stuff is installed; 
> out-of-date IUs are upgraded; IUs that no longer exist on any site are 
> removed from the local configuration.
> 
> The InstallStatus return value is an IStatus.  It (a) tells the client if it 
> needs to restart, and (b) encapsulates state that you might want to log for 
> diagnostic purposes.
> 
> 2) public InstallStatus install(Set<URL> p2Sites, Set<IVersionedId> 
> featuresRequested) throws InstallError
> 
> Sometimes you want to only make a certain set of Features available to the 
> user, based on their login credentials or if they've given you money, for 
> example.  This API presumes that you've done whatever you need to determine 
> what IUs/Features you need, and it installs just those IUs/Features.  All 
> other Features are disabled in the current profile.
> 
> Conclusion
> 
> Having these two APIs would handle all of the self-updating RCP applications 
> we have seen at my client and probably most of them out there.  This seems 
> like a lot of expressive value for RCP (and possibly server-side OSGi) 
> clients.
> 
> Unless someone objects, we would like to go ahead and implement these (and 
> incubate the work in the E4 repo).
> 
> Questions
> 
> Does anyone see any issues with defining API this way?  For example, is it 
> okay for P2 to have a dependency on core.runtime (IStatus)?
> 
> Any other thoughts/feedback?
> 
> 
> Regards,
> 
> Dave Orme
> 
> _______________________________________________
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