[Building Sakai] Deprecation Notice: kernel static covers

[Stephen Marquard]

In the context of the static covers specifically, they are not "better APIs" than the regular APIs, they are the same. They have practical difference when you care about unit testing, etc.

It may be extremely simple to convert them, but it represents time for every institution with local code that is forced to do so by their removal, which is unnecessary. So removing them is effectively imposing a tax on the Sakai community (say 100 hours or so of collective effort, possibly greater).

Maintenance activities should represent a net gain of time and productivity to the community, not a net loss.

Regards
Stephen

>>> Steve Swinsburg <steve.swinsburg at gmail.com> 3/17/2010 12:38 PM >>>
Hi all,

What is the rough timeline for Kernel 2.0.0? 

The comment about web services always comes up when discussing the deprecation/removal of the static covers. In reality, converting these over to use the normal API's is extremely simple using the ComponentManager: http://jira.sakaiproject.org/browse/SAK-16323.

Steve

On 17/03/2010, at 9:26 PM, Berg, Alan wrote:

> Hi,
> 
> I beg to disagree, I believe that there should be a clear predictable time between start of depreciation and end. The whole process is supposed to give time to transition from depreciated API to better API. The static covers make for complex dependencies and make unit testing difficult and so are a good case for depreciation. Therefore the question is do disagree with depreciation or the TTL.
> 
> Alan
> 
> Alan Berg
> Interim QA Director - The Sakai Foundation
> 
> Senior Developer / Quality Assurance
> Group Education and Research Services
> Central Computer Services
> University of Amsterdam
> 
> http://home.uva.nl/a.m.berg 
> 
> 
> 
> 
> -----Original Message-----
> From: sakai-dev-bounces at collab.sakaiproject.org on behalf of Stephen Marquard
> Sent: Wed 3/17/2010 11:03
> To: sakai-dev
> Subject: Re: [Building Sakai] Deprecation Notice: kernel static covers
> 
> As a local implementer and kernel team member, I object and vote -1 on eventual removal of the static covers, as this imposes an unnecessary code maintenance burden on local sites, especially wrt third-party code (for example locally maintained webservices and other code).
> 
> I have no problem with these being deprecated, but they should be left in place indefinitely.
> 
> Regards
> Stephen
> 
> >>> David Horwitz <david.horwitz at uct.ac.za> 3/17/2010 10:04 AM >>>
> Deprecation Notice: In the next scheduled release in the 1.1 kernel series (1.1.2) all the Static covers of kernel services will be marked as deprecated. Developers are urged to review their code and replace the use of static covers with spring injection or lookup from the component manager in line with stated Sakai best practices [http://confluence.sakaiproject.org/display/SAKDEV/Best+Practices+for+Kernel+code#BestPracticesforKernelcode-Nousageofstaticcovers]. The covers are scheduled for removal in Kernel 2.0.0
> 
> Regards
> 
> David
> 
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