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From: Rob Tompkins <chtompki@gmail.com>
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Subject: Re: [LANG] Thoughts about Lang 4.0
Date: Mon, 22 May 2017 07:47:16 -0400
References: <775E823F-08D8-4954-8A0A-CDEFE4B0604C@apache.org>
To: Commons Developers List <dev@commons.apache.org>
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Message-Id: <8BBD2275-4B72-43FD-B3C8-F5F4733579DC@gmail.com>
archived-at: Mon, 22 May 2017 11:47:16 -0000


> On May 21, 2017, at 7:56 PM, Benedikt Ritter <britter@apache.org> =
wrote:
>=20
> Hi,
>=20
> I think the time has come to start thinking about Lang 4.0. A new =
major release is a chance to clean up stuff and get rid of APIs we =
don=E2=80=99t need anymore/don=E2=80=99t want to maintain anymore. Lang =
has become rather large. It=E2=80=99s description still is
>=20
> =E2=80=9ELang provides a host of helper utilities for the java.lang =
API [=E2=80=A6]"
>=20
> When I look at Lang I see a lot of stuff which has nothing to do with =
the java.lang package. I think our aim for 4.0 should be to get back to =
that again. I like the approach we took with math. Splitting a large =
package down into smaller individual components is a good idea. So my =
proposal is to split out more new components from Lang like we did with =
commons-text and deprecate that stuff in lang. Then we can start with =
Lang 4.0 and remove all that stuff.
>=20
> Here are some components I think we could extract from Lang:
>=20
> - commons-system: a library focused on working with system properties =
and detection of the operation system, system=E2=80=99s architecture and =
Java version
> - commons-concurrent: a library providing additional abstractions and =
implementations for the java.util.concurrent package
> - commons-reflect: a library which helps working with reflection =
(where is the line to beanutils here?)
> - commons-date: a library which helps working with the java.util.Date =
and java.util.Calendar APIs
>=20
> Furthermore I=E2=80=99d remove the o.a.c.lang3.event package. The =
stuff in o.a.c.lang3.math could maybe find a new home in one of the =
commons-math components.
>=20
> The o.a.c.lang3.builder package fits into Lang 4.0 but I=E2=80=99d =
rename it to o.a.c.lang4.object (if that=E2=80=99s possible). Further =
more I=E2=80=99d remove the Builder interface.
>=20
> The o.a.c.lang3.mutable and o.a.c.lang3.tuple package as well as the =
o.a.c.lang3.exception package can stay as they are.
>=20
> WDYT?

The only thing that occurs to me is that we should make sure that Java 9 =
is fully in general availability before releasing 4.0.

> Benedikt


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