On Mon, 2010-03-22 at 22:56 +0000, sebb wrote:
> On 22/03/2010, Oleg Kalnichevski <ol...@apache.org> wrote:
> > On Sun, 2010-03-21 at 20:43 +0000, sebb wrote:
> >  > On 21/03/2010, Oleg Kalnichevski <ol...@apache.org> wrote:
> >  > > Folks
> >  > >
> >  > >  Please DO try to find a few minutes to review the release notes and 
> > release
> >  > > packages for the coming HttpCore 4.1-beta1
> >  >
> >  > Since this is the last chance to change the API, I have been having a
> >  > look at the visibility and mutability of fields.
> >  >
> >
> >
> > Hi Sebastian
> >
> >  We cannot do that without breaking full binary compatibility with 4.0.x
> >  releases. As much as I consider binary compatibility for non trivial
> >  changes utterly pointless, I still think we should not break
> >  compatibility without a good reason. All these classes are not meant to
> >  be thread-safe, so mutability of instance variables is not really an
> >  issue.
> >
> >  We have a few options how to proceed:
> >
> >  * deprecate those classes and create copies under a different name,
> >  which we could restructure as we please. The trouble is that deprecation
> >  of AbstractHttpEntity and AbstractHttpMessage will entail deprecation of
> >  more than a dozen classes in HttpClient, which can be quite ugly.
> >
> >  * release next release as 5.0-BETA1
> >
> >  * wait until we have enough important changes for a solid point zero
> >  release and break binary compatibility at that point.
> >
> >  I suggest we take the last option for now.
> 
> OK. I was considering 4.1 in isolation.
> 
> I'll create at JIRA with patches to record the proposals.
> 
> >
> >  > AbstractHttpEntity
> >  > has 3 protected fields, however there are public getters/setters for
> >  > all of the fields, so it seems to me that the fields should be
> >  > private. That would allow synch. to be added later if necessary.
> >  >
> >  > HttpEntityWrapper
> >  > - wrappedEntity should be final.
> >  >
> >  > AbstractHttpMessage
> >  > - headerGroup should be final
> >  > - params should be private
> >  >
> >  > BasicHttpProcessor
> >  > requestInterceptors and responseInterceptors should be final
> >  > Should also be private, otherwise subclasses can subvert the non-null 
> > condition
> >  >
> >  > >  Release notes:
> >  > > 
> > http://people.apache.org/~olegk/httpcore-4.1-beta1-preview/RELEASE_NOTES.txt
> >  >
> >  > I did not quite understand the following sentence:
> >  >
> >  > "HttpCore based on
> >  > classic (blocking) I/O model is expected to be 5% to 10% faster
> >  > compared to previous releases. "
> >  >
> >  > Does this mean that previous releases were not based on the classic
> >  > I/O model, and that changing to it has made the improvement?
> >  >
> >  > Or are these two independent facts:
> >  > HttpCore is based on the classic (blocking) I/O model.
> >  > This release is expected to be 5% to 10% faster than previous releases
> >  >
> >
> >
> > Sorry I failed to articulate the idea properly. HttpCore comes in two
> >  flavors: classic (blocking) I/O based and NIO based. Performance
> >  improvements apply to the blocking components only. Please re-phrase the
> >  statement as you see fit.
> >
> 
> Your last change has fixed the ambiguity very well.
> 
> >
> >  > >  Release packages:
> >  > > http://people.apache.org/~olegk/httpcore-4.1-beta1-preview/
> >  >
> >  > DOAP probably does not belong in the source archive (or elsewhere).
> >  >
> >  > It's now 2010; Notice file needs updating.
> >  >
> >
> >
> > I'll take care of that
> >
> >  Oleg
> >
> >  > Otherwise looks OK.
> >
> >


Folks,

I updated the release notes and the preview packages based on your
feedback. Feel free to double-check.

http://people.apache.org/~olegk/httpcore-4.1-beta1-preview/

I will start cutting official release packages tomorrow or the day after
tomorrow.

Oleg 


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