+1 Changing packages of many classes should be done in a major.

On Tue, Sep 1, 2020 at 5:50 PM Tomoko Uchida <[email protected]>
wrote:

> Just to make sure, could I confirm "when the changes will be out"...
> Resolving split package issues should break backward compatibility
> (changing package names and moving classes from one module to another
> modules). So we have just two options, we can have these changes only on
> major releases - 9.0.0 or 10.0.0; we cannot release such changes at minor
> versions. Is that correct?
>
> Tomoko
>
>
> 2020年9月1日(火) 22:08 Tomoko Uchida <[email protected]>:
>
>> > As I recall one issue was around where to put analysis packages?
>>
>> It's LUCENE-9317. I had worked on it before, you can see what changes
>> will be needed for analyzers-common (and core).
>>
>>
>> 2020年9月1日(火) 22:00 Michael Sokolov <[email protected]>:
>>
>>> I'm in favor - there may be some difficult choices though. As I recall
>>> one issue was around where to put analysis packages? I forget the
>>> details, but there was some pretty strong feeling that you should have
>>> a functioning system with core only. However some basic analysis tools
>>> are required for that, while most of our analyzers and so on are in a
>>> separate analysis module. Perhaps we will need to move some basic
>>> analyzers out of com.amazon.lucene.analysis? Or the reverse - move all
>>> the analysis code into the analysis module and acknowledge that it is
>>> a fundamental dependency (more essential than core, really).
>>>
>>> On Tue, Sep 1, 2020 at 8:26 AM Tomoko Uchida
>>> <[email protected]> wrote:
>>> >
>>> > yes, Jigsaw was on my mind too...
>>> >
>>> > > why not go ahead and try to clean it up right away?
>>> >
>>> > > So a strong +1 to clean this up!
>>> >
>>> > OK, maybe I should open two issues, one for Lucene and one for Solr,
>>> and link existing wip issues to them.
>>> > Once we start it, these will be blockers for 9.0.0 release I believe
>>> (for now I have no idea about the volume of the changes or technical
>>> obstacles). Are there any objections or comments?
>>> >
>>> >
>>> > 2020年9月1日(火) 19:34 Uwe Schindler <[email protected]>:
>>> >>
>>> >> Hi,
>>> >>
>>> >> The biggest issue is that split packages make migrating to the Java 9
>>> module system impossible. It's not allowed to have same package name (with
>>> classes) in different JAR files.
>>> >>
>>> >> Some of those require to open up visibility of classes. Some split
>>> packages issues were done because of package private access, which is very
>>> bad between JAR files. This also affects the test framework, although this
>>> is not such a big deal (I would exclude that for now), because you would
>>> never run UNIT tests inside a module system, only integration tests.
>>> >>
>>> >> So a strong +1 to clean this up!
>>> >> Uwe
>>> >>
>>> >> -----
>>> >> Uwe Schindler
>>> >> Achterdiek 19, D-28357 Bremen
>>> >> https://www.thetaphi.de
>>> >> eMail: [email protected]
>>> >>
>>> >> > -----Original Message-----
>>> >> > From: Dawid Weiss <[email protected]>
>>> >> > Sent: Tuesday, September 1, 2020 9:22 AM
>>> >> > To: Lucene Dev <[email protected]>
>>> >> > Subject: Re: Approach towards solving split package issues?
>>> >> >
>>> >> > This is a big headache for many things. I wouldn't mind doing this
>>> >> > even for 9x. This is a major release, why not go ahead and try to
>>> >> > clean it up right away?
>>> >> >
>>> >> > Dawid
>>> >> >
>>> >> > On Mon, Aug 31, 2020 at 11:50 PM Tomoko Uchida
>>> >> > <[email protected]> wrote:
>>> >> > >
>>> >> > > Hello devs,
>>> >> > >
>>> >> > > we have lots of package name conflicts (shared package names)
>>> between
>>> >> > modules in the Lucene/Solr source tree. It is not only annoying for
>>> devs/users
>>> >> > but also indeed bad practice since Java 9 (according to my
>>> understanding), and
>>> >> > we already have some problems with Javadocs due to these splitted
>>> packages
>>> >> > as some of us would know. I'm curious about the issue from a while
>>> ago. My
>>> >> > questions are, Q1: How can we solve the issue in an organized way?
>>> Q2: How
>>> >> > many of us really have interests about that?
>>> >> > >
>>> >> > > To break down Q1,
>>> >> > > - A JIRA for building a grand design and organizing sub tasks is
>>> needed? We
>>> >> > have a couple of issues (e.g. LUCENE-9317 and LUCENE-9319) about it
>>> and I
>>> >> > had been playing around them before; but I feel like an umbrella
>>> ticket would
>>> >> > be needed.
>>> >> > > - When to start and what's the target version to be out? My
>>> feeling is that
>>> >> > after cutting branch_9x is the right moment to start and 10.0.0 is
>>> suitable for
>>> >> > the target, does this make sense?
>>> >> > > - Are there any other tasks/concerns to be considered except for
>>> just
>>> >> > renaming packages?
>>> >> > >
>>> >> > > Regarding Q2,
>>> >> > > I know some of us have deep knowledge and thoughts in this topic,
>>> but for
>>> >> > now I am not sure how many of you have the will to give help or
>>> take time for
>>> >> > that.
>>> >> > > It can't be a one-man effort. The more people understand and can
>>> contribute
>>> >> > to the build, the more healthy it will be. (I borrowed this phrase
>>> from Gradle
>>> >> > build issue LUCENE-9077).
>>> >> > >
>>> >> > > I don't intend to rush into making a decision, my purpose here is
>>> to collect
>>> >> > information to see if I can handle it before opening a JIRA.
>>> >> > >
>>> >> > > Thanks,
>>> >> > > Tomoko
>>> >> >
>>> >> >
>>> ---------------------------------------------------------------------
>>> >> > To unsubscribe, e-mail: [email protected]
>>> >> > For additional commands, e-mail: [email protected]
>>> >>
>>> >>
>>> >> ---------------------------------------------------------------------
>>> >> To unsubscribe, e-mail: [email protected]
>>> >> For additional commands, e-mail: [email protected]
>>> >>
>>>
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail: [email protected]
>>> For additional commands, e-mail: [email protected]
>>>
>>>

-- 
Adrien

Reply via email to