Re: An updated draft of the proposal

On Wed, Nov 13, 2013 at 12:06 PM, Markus Lanthaler <
> wrote:

> +public-hydra
> I prefer to comment here on the list instead of doing so directly on
> document [1-2] so that it is properly archived and that I can forward it to
> the Hydra mailing list as well.
> On Saturday, November 09, 2013 12:33 AM, Sam Goto wrote:
> > It has been a while since we've sent our latest update on the actions
> > proposal, so I tried to merge all the different
> > updates/improvements/feedback we got from different parts into an updated
> > proposal.
> >
> > Here is the new draft (and here is a version you can write comments on if
> > you'd like).
> >
> > We have solidified things in different areas, but most importantly the
> (a)
> > actions hierarchy, (b) the properties / semantic roles, (c) the statuzes
> > an action can be at and how to represent it, (d) a couple of well
> > understood action handlers and (e) the addition of Thing.operation to
> > point to an action which solves a wide variety of problems.
> Great to see hydra:operations being adopted. I'm still worried about the
> whole ActionHandler stuff as I've already explained in the past. This
> RPC-based model is quite anti-Web and thus I would like to see this stuff
> more aligned with how the Web works, i.e., the manipulation of resources by
> the exchange of state representations.
> I find this draft is a steps backwards in that regard as it couples the
> data
> expected by an action to the action itself:
>   "Each action has corresponding arguments/slots/parameters that
>    are well defined. Actions define a standard programmatic
>    predefined interface between parties (e.g. which arguments
>    "Watching a Movie" takes), and ActionHandlers helps with the
>    Mechanisms (e.g. invoking an action via an android intent vs
>    a HTTP GET)."
> Do you really expect to, e.g., have different actions to rent a skiing
> shoes
> from renting a house? Currently RentAction's "parameters" according to your
> draft [2] are "landlord" and "realEstateAgent". What's the rationale behind
> this decision? I think the sole purpose of the action itself should be to
> convey the semantics of what happens or, in other words, what the
> consequences I can expect when I invoke an action.
> I think I'll write a draft describing how the relevant parts of Hydra could
> be integrated into Is that something you would be interested
> in?
> I'll probably write it in a similar style than your draft or do you prefer
> another form?

That could certainly be productive/constructive/objective. Any format works
for me.

> > This is by no means done but we feel it is firm enough to have a
> > constructive round of feedback from an increasingly larger group.
> Markus's
> > feedback, from hydra, has been overwhelmingly constructive and objective
> > and we really appreciate that.
> Thanks for the nice words,
> Markus
> [1]
> ndM/edit
> [2]
> --
> Markus Lanthaler
> @markuslanthaler

Received on Wednesday, 13 November 2013 20:29:45 UTC