Re: [visad] VisAD library updated

  • To: Chris Burghart <burghart@xxxxxxxx>
  • Subject: Re: [visad] VisAD library updated
  • From: Bill Hibbard <bh@xxxxxxxxxxxxx>
  • Date: Tue, 27 Mar 2012 16:42:19 -0600 (CST)
You are right Chris, the original question was
about whether the examples woule be changed.

But since Tom's response included a commitment
to not remove the deprecated pieces, I thought
that as the original author of VisAD I should
second our commitment to VisAD developers to
not "break" applications that use our the API.


On Tue, 27 Mar 2012, Chris Burghart wrote:

I thought the original question was whether the *examples* would be changed to 
avoid using deprecated pieces, rather than if the deprecated pieces themselves 
would go away. It doesn't seem too bad a task to look through the examples when 
deprecation occurs, and change things to use the (presumably improved) new API. 
But then it wouldn't be me doing it. :-) And of course, going back to fix for 
previous deprecations is another story...

Anyway, my $0.02.


Bill Hibbard <bh@xxxxxxxxxxxxx> wrote:

On Tue, 27 Mar 2012, Tom Whittaker wrote:

There are no plans to ever remove any of the deprecated classes or
methods, . . .

I just want to second that. For a system like
VisAD intended to support a community of
application developers, we view the API as a
contract with that community. It's a very bad
idea to ever remove any functions or to change
the meaning of any functions, because this
forces the community to change their
applications and because it is generally easy
to avoid such forced changes by simply adding
new functions to the API.



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