Re: Delegation vs Hooks (was: Annouce: DBIx::Class, a.k.a "taking the easy way out")

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From: Matt S Trout
Subject: Re: Delegation vs Hooks (was: Annouce: DBIx::Class, a.k.a "taking the easy way out")
Date: 00:54 on 27 Jul 2005

On Tue, Jul 26, 2005 at 08:39:09PM -0400, John Siracusa wrote:
> On 7/26/05 7:27 PM, Ask Bjørn Hansen wrote:
> > What's the difference between hooks and delegation?
> > 
> > Is it just the direction the relationship starts in (hooks = plugin
> > says "Application, I want to handle foo", delegation = application
> > says "plugin, you handle foo")?
> 
> With any language issue, there's ambiguity based on context.  That said, I'd
> differentiate those terms thusly:
> 
> Hooks: "When event X happens, call code Y"
> 
> Delegation: "When it comes time to do X, let Y handle it."
> 
> The distinction is that, in the "hook" case, responsibility is not entirely
> delegated (see? :) to another entity.  Rather, the other entity is simply
> given a chance to contribute to the process.  Delegation, OTOH, entirely
> passes responsibility for a certain task to another entity.

This is a far better explanation than mine was, but I don't think a
Supercedes: header is going to work on here :)

        -- 
             Matt S Trout           Website: http://www.shadowcatsystems.co.uk
  Technical Director        E-mail:  mst (at) shadowcatsystems.co.uk
Shadowcat Systems Ltd.

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Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 05:26 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
John Siracusa 15:32 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Tony Bowden 15:40 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Michael G Schwern 21:54 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Tony Bowden 21:59 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 22:44 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Michael G Schwern 22:00 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 22:52 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Sebastian Riedel 16:42 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Tyler Rorabaugh 17:09 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Sebastian Riedel 17:24 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Tony Bowden 18:11 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Tony Bowden 18:14 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 21:08 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 21:03 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Tony Bowden 21:05 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 20:55 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Tony Bowden 21:08 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Michael G Schwern 22:03 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Tony Bowden 22:11 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Perrin Harkins 21:21 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 21:48 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 20:37 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
John Siracusa 22:02 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Michael G Schwern 22:12 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
John Siracusa 01:15 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Sebastian Riedel 07:53 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
John Siracusa 12:37 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Sebastian Riedel 20:47 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Adrian Howard 21:03 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Michael G Schwern 22:01 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Perrin Harkins 22:05 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Michael G Schwern 22:21 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 23:02 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Sebastian Riedel 22:35 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 17:15 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Michael G Schwern 18:05 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Michael G Schwern 22:54 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
John Siracusa 15:14 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Perrin Harkins 15:16 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Sebastian Riedel 18:31 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Tony Bowden 19:08 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Sebastian Riedel 18:36 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Tony Bowden 22:23 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Michael G Schwern 22:53 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 23:55 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Michael G Schwern 00:26 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Brad Bowman 00:49 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Perrin Harkins 01:31 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Sam Vilain 04:21 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
William Ross 09:44 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 16:59 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Perrin Harkins 17:07 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 17:47 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Michael G Schwern 18:15 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 18:58 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Perrin Harkins 19:25 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Michael G Schwern 22:20 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Tony Bowden 22:39 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 23:13 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Tony Bowden 23:14 on 26 Jul 2005

Delegation vs Hooks (was: Annouce: DBIx::Class, a.k.a "taking the easy way out")
=?ISO-8859-1?Q?Ask_Bj=F8rn_Hansen?= 23:27 on 26 Jul 2005

Re: Delegation vs Hooks (was: Annouce: DBIx::Class, a.k.a "taking the easy way out")
John Siracusa 00:39 on 27 Jul 2005

Re: Delegation vs Hooks (was: Annouce: DBIx::Class, a.k.a "taking the easy way out")
Matt S Trout 00:54 on 27 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 23:57 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 23:15 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
John Siracusa 02:07 on 27 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 03:32 on 27 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
John Siracusa 03:34 on 27 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 13:44 on 27 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Michael G Schwern 16:57 on 27 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Christopher Hicks 18:04 on 27 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Michael G Schwern 19:38 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Sebastian Riedel 20:50 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Tony Bowden 22:00 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Sebastian Riedel 22:32 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Tony Bowden 22:39 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Sebastian Riedel 22:49 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Michael G Schwern 22:03 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Sebastian Riedel 22:35 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
John Siracusa 02:08 on 27 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 23:10 on 25 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Tony Bowden 07:27 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Michael G Schwern 06:48 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Perrin Harkins 14:56 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Tony Bowden 19:08 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Aaron Trevena 08:57 on 27 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Cees Hek 23:29 on 26 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Matt S Trout 00:02 on 27 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Sebastian Riedel 01:41 on 27 Jul 2005

Re: Delegation vs Hooks (was: Annouce: DBIx::Class, a.k.a "taking the easy way out")
Matt S Trout 00:07 on 27 Jul 2005

Re: Annouce: DBIx::Class, a.k.a "taking the easy way out"
Adrian Howard 14:41 on 27 Jul 2005