I agree that being part of the ProfileChangeOperation hierarchy would be a good thing. Whereas InstallOperation will only do the updates forced by requirements, you are talking about wanting to do other selected updates. I think this can easily be accommodated in that hierarchy.
As far as simplifying the number of concepts to use. It strikes me that most of what you are talking about is simplified constructors that create the operation by assuming an RCP setup (getting the agent and services from the running profile.) So you could add those constructors for simplicity and still retain the operation concept. This would have several advantages in my opinion: - a remote administrator would surely want to use this concept to update a system other than "self" profile. The operation would let them do this, otherwise you have to start adding those very same concepts into this new API. - operations can feed into the UI, so if a more advanced use case required the user confirming which updates/installs were needed, you could just open a wizard (or make minimal change to existing wizards). I realize the purpose of your proposal is to get away from the variables/concepts that pollute the RCP mindset, but my experience is that someone will say, "it's just like your simple API but I want to pass an agent in." or whatever. The operation hierarchy's purpose was to capture the "80/20" use cases and I agree that the "synch profile with a controlled repo" is one that is definitely needed... I like the idea of SynchronizeProfileOperation or something like that. susan From: David Orme <[email protected]> To: P2 developer discussions <[email protected]> Date: 02/09/2011 07:23 AM Subject: Re: [p2-dev] Proposal: Simplified installer/updater. Sent by: [email protected] On Tue, Feb 8, 2011 at 3:04 PM, Pascal Rapicault <[email protected]> wrote: 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? Because what we actually do is an UpdateOperation followed by an InstallOperation. Our testing showed that this is what we needed to perform a full synchronization. But if inheriting from PCO is a better choice, we could consider that. A question of my own: I don't think we've tested yet how to make sure that a Feature that is no longer used gets removed from the running platform. In our first API, if a Feature or Bundle is removed from all of the available repositories (and they are all reachable on the network), then it should be removed from the running platform as well. In our second API, the collection of IVersionedIds should completely define the provisioned platform for the user. Do we need to do something special to disable all Features not referenced by one of those IVersionedIds (either in the set of P2 repos, or in the parameter list)? Dave _______________________________________________ p2-dev mailing list [email protected] https://dev.eclipse.org/mailman/listinfo/p2-dev
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