On Sun, Nov 27, 2016 at 2:14 PM, sebb <seb...@gmail.com> wrote:

> On 27 November 2016 at 22:03, Gary Gregory <garydgreg...@gmail.com> wrote:
> > These annotations are the SAME as have been published all over the place,
> > so I do not think we need a PR for review. Reviewing the code in the repo
> > should be enough, but I'm not sure _what_ there is to review really. I've
> > already posted a link to the sources (a pastebin link). I'll create a
> Jira
> > of course.
>
> There is one aspect that needs review: does the annotation belong in LANG?
> If we want to use the annotation in other components, do they have to
> depend on LANG?
>

No see below and previous messages.


> If not, do they all have their own copies?
>

No.


>
> And what happens when LANG needs a non-BC release?
>

What is the issue I am missing?


>
> My expectation for such annotations is that they would be
> self-contained (or built-in to the languange, not LANG).
>

It is _because_ they are NOT built-in the language or JRE that we are
proposing they belong in [lang].

Since we are providing the annotation with CLASS retention only
(initially), there is no hard dependency on [lang] at runtime.

Is there some subtlety we are missing?

Gary


> > Gary
> >
> > On Sun, Nov 27, 2016 at 1:20 PM, Benedikt Ritter <brit...@apache.org>
> wrote:
> >
> >> Hi,
> >>
> >> Gary Gregory <garydgreg...@gmail.com> schrieb am So., 27. Nov. 2016 um
> >> 21:01 Uhr:
> >>
> >> > So let's start with the CLASS retention annotations first. I'll commit
> >> > later today.
> >> >
> >>
> >> Maybe create a GitHub PR so people can have a look before it goes to
> >> master?
> >>
> >> Benedikt
> >>
> >>
> >> >
> >> > Gary
> >> >
> >> > On Nov 27, 2016 9:50 AM, "Matt Sicker" <boa...@gmail.com> wrote:
> >> >
> >> > > I feel like documenting thread safety in such a low level, widely
> used
> >> > > library like [lang] is a great idea. Whether it uses annotations,
> >> > javadocs,
> >> > > or some sort of informal javadoc comments isn't too big a deal to
> me,
> >> but
> >> > > providing some guarantees of thread safety or lack thereof would be
> >> > > invaluable information.
> >> > >
> >> > > On 27 November 2016 at 07:11, Benedikt Ritter <brit...@apache.org>
> >> > wrote:
> >> > >
> >> > > > I thought we decided to abstain from documenting thread safety
> since
> >> it
> >> > > > would get outdated quickly anyway.
> >> > > >
> >> > > > Gary Gregory <garydgreg...@gmail.com> schrieb am So., 27. Nov.
> 2016
> >> um
> >> > > > 09:11 Uhr:
> >> > > >
> >> > > > > But if we then want a runtime version we had an odd packaging
> with
> >> > > CLASS
> >> > > > > retention in .concurrent. and RUNTIME in .concurrent.runtime.
> >> > > > >
> >> > > > > I might be in YAGNI territory here...
> >> > > > >
> >> > > > > Gary
> >> > > > >
> >> > > > > On Sat, Nov 26, 2016 at 10:07 PM, Matt Sicker <boa...@gmail.com
> >
> >> > > wrote:
> >> > > > >
> >> > > > > > I think adding the additional clazz/runtime package would be a
> >> > little
> >> > > > > > overkill if you only include one packaging option for now.
> >> > > > > >
> >> > > > > > On 27 November 2016 at 00:04, Gary Gregory <
> >> garydgreg...@gmail.com
> >> > >
> >> > > > > wrote:
> >> > > > > >
> >> > > > > > > On Nov 26, 2016 8:40 PM, "Matt Sicker" <boa...@gmail.com>
> >> wrote:
> >> > > > > > > >
> >> > > > > > > > I can think of a couple use cases for runtime retention
> for
> >> > > thread
> >> > > > > > safety
> >> > > > > > > > annotations, but they're not specific to commons lang.
> >> > > > > > > >
> >> > > > > > > > 1. A framework could choose what type of data structure or
> >> > > > algorithm
> >> > > > > to
> >> > > > > > > use
> >> > > > > > > > at runtime based on the presence of which thread safety
> >> > > annotation
> >> > > > is
> >> > > > > > on.
> >> > > > > > > > Same for mutability.
> >> > > > > > > > 2. A testing framework could use these annotations to try
> and
> >> > > > > automate
> >> > > > > > > some
> >> > > > > > > > sort of thread safety tests, though that sounds like a
> hard
> >> > > problem
> >> > > > > to
> >> > > > > > > > actually implement.
> >> > > > > > > >
> >> > > > > > > > However, it'd be easier to just start with class retention
> >> (or
> >> > > > source
> >> > > > > > > > retention) just for documentation purposes. Higher
> retention
> >> > > levels
> >> > > > > > could
> >> > > > > > > > be added later if an important use case came up.
> >> > > > > > >
> >> > > > > > > But which packaging option?
> >> > > > > > >
> >> > > > > > > Gary
> >> > > > > > > >
> >> > > > > > > > On 26 November 2016 at 19:56, Gary Gregory <
> >> > > garydgreg...@gmail.com
> >> > > > >
> >> > > > > > > wrote:
> >> > > > > > > >
> >> > > > > > > > > On Sat, Nov 26, 2016 at 3:54 PM, sebb <seb...@gmail.com
> >
> >> > > wrote:
> >> > > > > > > > >
> >> > > > > > > > > > On 26 November 2016 at 19:25, Gary Gregory <
> >> > > > > garydgreg...@gmail.com
> >> > > > > > >
> >> > > > > > > > > wrote:
> >> > > > > > > > > > > On a [crypto] thread, I mentioned
> >> > > > http://pastebin.com/RKPGGdJ9
> >> > > > > > to
> >> > > > > > > add
> >> > > > > > > > > > the
> >> > > > > > > > > > > "classic" four javax.annotation.concurrent
> annotations
> >> to
> >> > > two
> >> > > > > > > packages
> >> > > > > > > > > > > (.clazz and .runtime) in Commons Lang for CLASS and
> >> > RUNTIME
> >> > > > > > > retentions.
> >> > > > > > > > > > >
> >> > > > > > > > > > > You'd use the CLASS version to avoid a hard
> dependency
> >> on
> >> > > > > [lang].
> >> > > > > > > > > RUNTIME
> >> > > > > > > > > > > to keep them around.
> >> > > > > > > > > > >
> >> > > > > > > > > > > We'd use the CLASS versions in all of Commons for
> >> > > documenting
> >> > > > > > > thread
> >> > > > > > > > > > safety.
> >> > > > > > > > > > >
> >> > > > > > > > > > > Thoughts?
> >> > > > > > > > > >
> >> > > > > > > > > > Definitely Class retention, not Runtime.
> >> > > > > > > > > > You don't want to have to include the annotation jar
> on
> >> the
> >> > > > > runtime
> >> > > > > > > > > > classpath.
> >> > > > > > > > > >
> >> > > > > > > > >
> >> > > > > > > > > Hi Sebb,
> >> > > > > > > > >
> >> > > > > > > > > Right now I have both of these packages:
> >> > > > > > > > >
> >> > > > > > > > > - org.apache.commons.lang3.annotation.concurrent.clazz
> >> > > > > > > > > - org.apache.commons.lang3.
> annotation.concurrent.runtime
> >> > > > > > > > >
> >> > > > > > > > > Each with a copy of:
> >> > > > > > > > >
> >> > > > > > > > > GuardedBy
> >> > > > > > > > > Immutable
> >> > > > > > > > > NotThreadSafe
> >> > > > > > > > > ThreadSafe
> >> > > > > > > > >
> >> > > > > > > > > Should we include what I have as is?
> >> > > > > > > > >
> >> > > > > > > > > If we were to only provide the annotation at the CLASS
> >> > > retention
> >> > > > > > level,
> >> > > > > > > > > should we still package them in
> >> > ...annotation.concurrent.clazz
> >> > > in
> >> > > > > > case
> >> > > > > > > we
> >> > > > > > > > > want to provide annotation.concurrent.runtime later?
> >> > > > > > > > >
> >> > > > > > > > > If we know for certain we never want to provide RUNTIME
> >> > > > retention,
> >> > > > > we
> >> > > > > > > can
> >> > > > > > > > > put them all in annotation.concurrent now.
> >> > > > > > > > >
> >> > > > > > > > > Thoughts?
> >> > > > > > > > >
> >> > > > > > > > > Gary
> >> > > > > > > > >
> >> > > > > > > > >
> >> > > > > > > > >
> >> > > > > > > > > > [I don't know why the annotations were ever considered
> >> > > suitable
> >> > > > > for
> >> > > > > > > > > > runtime]
> >> > > > > > > > > >
> >> > > > > > > > > > > Gary
> >> > > > > > > > > > >
> >> > > > > > > > > > > --
> >> > > > > > > > > > > E-Mail: garydgreg...@gmail.com |
> ggreg...@apache.org
> >> > > > > > > > > > > Java Persistence with Hibernate, Second Edition
> >> > > > > > > > > > > <https://www.amazon.com/gp/
> >> product/1617290459/ref=as_li_
> >> > > > > > > > > > tl?ie=UTF8&camp=1789&creative=
> >> 9325&creativeASIN=1617290459&
> >> > > > > > > > > >
> >> > > > > > >
> >> > > > > linkCode=as2&tag=garygregory-20&linkId=
> >> cadb800f39946ec62ea2b1af9fe6a2
> >> > > b8>
> >> > > > > > > > > > >
> >> > > > > > > > > > > <http:////
> >> > > > > > > ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&
> a=
> >> > > > > > > > > > 1617290459>
> >> > > > > > > > > > > JUnit in Action, Second Edition
> >> > > > > > > > > > > <https://www.amazon.com/gp/
> >> product/1935182021/ref=as_li_
> >> > > > > > > > > > tl?ie=UTF8&camp=1789&creative=
> >> 9325&creativeASIN=1935182021&
> >> > > > > > > > > > linkCode=as2&tag=garygregory-20&linkId=
> >> > > > > > > 31ecd1f6b6d1eaf8886ac902a24de4
> >> > > > > > > > > 18%22
> >> > > > > > > > > > >
> >> > > > > > > > > > >
> >> > > > > > > > > > > <http:////
> >> > > > > > > ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&
> a=
> >> > > > > > > > > > 1935182021>
> >> > > > > > > > > > > Spring Batch in Action
> >> > > > > > > > > > > <https://www.amazon.com/gp/
> >> product/1935182951/ref=as_li_
> >> > > > > > > > > > tl?ie=UTF8&camp=1789&creative=
> >> 9325&creativeASIN=1935182951&
> >> > > > > > > > > >
> >> > linkCode=%7B%7BlinkCode%7D%7D&tag=garygregory-20&linkId=%7B%
> >> > > > > > > > > > 7Blink_id%7D%7D%22%3ESpring+Batch+in+Action>
> >> > > > > > > > > > > <http:////
> >> > > > > > > ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&
> a=
> >> > > > > > > > > > 1935182951>
> >> > > > > > > > > > > Blog: http://garygregory.wordpress.com
> >> > > > > > > > > > > Home: http://garygregory.com/
> >> > > > > > > > > > > Tweet! http://twitter.com/GaryGregory
> >> > > > > > > > > >
> >> > > > > > > > > >
> >> > ------------------------------------------------------------
> >> > > > > > > ---------
> >> > > > > > > > > > To unsubscribe, e-mail: dev-unsubscribe@commons.
> >> apache.org
> >> > > > > > > > > > For additional commands, e-mail:
> >> > dev-h...@commons.apache.org
> >> > > > > > > > > >
> >> > > > > > > > > >
> >> > > > > > > > >
> >> > > > > > > > >
> >> > > > > > > > > --
> >> > > > > > > > > E-Mail: garydgreg...@gmail.com | ggreg...@apache.org
> >> > > > > > > > > Java Persistence with Hibernate, Second Edition
> >> > > > > > > > > <https://www.amazon.com/gp/
> product/1617290459/ref=as_li_
> >> > > > > > > > > tl?ie=UTF8&camp=1789&creative=
> >> 9325&creativeASIN=1617290459&
> >> > > > > > > > > linkCode=as2&tag=garygregory-20&linkId=
> >> > > > > > cadb800f39946ec62ea2b1af9fe6a2
> >> > > > > > > b8>
> >> > > > > > > > >
> >> > > > > > > > > <http:////ir-na.amazon-adsystem.com/e/ir?t=
> >> > > > > > garygregory-20&l=am2&o=1&a=
> >> > > > > > > > > 1617290459>
> >> > > > > > > > > JUnit in Action, Second Edition
> >> > > > > > > > > <https://www.amazon.com/gp/
> product/1935182021/ref=as_li_
> >> > > > > > > > > tl?ie=UTF8&camp=1789&creative=
> >> 9325&creativeASIN=1935182021&
> >> > > > > > > > >
> >> > > > > > > linkCode=as2&tag=garygregory-20&linkId=
> >> > > > 31ecd1f6b6d1eaf8886ac902a24de4
> >> > > > > > 18%22
> >> > > > > > > > > >
> >> > > > > > > > >
> >> > > > > > > > > <http:////ir-na.amazon-adsystem.com/e/ir?t=
> >> > > > > > garygregory-20&l=am2&o=1&a=
> >> > > > > > > > > 1935182021>
> >> > > > > > > > > Spring Batch in Action
> >> > > > > > > > > <https://www.amazon.com/gp/
> product/1935182951/ref=as_li_
> >> > > > > > > > > tl?ie=UTF8&camp=1789&creative=
> >> 9325&creativeASIN=1935182951&
> >> > > > > > > > > linkCode=%7B%7BlinkCode%7D%7D&
> >> tag=garygregory-20&linkId=%7B%
> >> > > > > > > > > 7Blink_id%7D%7D%22%3ESpring+Batch+in+Action>
> >> > > > > > > > > <http:////ir-na.amazon-adsystem.com/e/ir?t=
> >> > > > > > garygregory-20&l=am2&o=1&a=
> >> > > > > > > > > 1935182951>
> >> > > > > > > > > Blog: http://garygregory.wordpress.com
> >> > > > > > > > > Home: http://garygregory.com/
> >> > > > > > > > > Tweet! http://twitter.com/GaryGregory
> >> > > > > > > > >
> >> > > > > > > >
> >> > > > > > > >
> >> > > > > > > >
> >> > > > > > > > --
> >> > > > > > > > Matt Sicker <boa...@gmail.com>
> >> > > > > > >
> >> > > > > >
> >> > > > > >
> >> > > > > >
> >> > > > > > --
> >> > > > > > Matt Sicker <boa...@gmail.com>
> >> > > > > >
> >> > > > >
> >> > > > >
> >> > > > >
> >> > > > > --
> >> > > > > E-Mail: garydgreg...@gmail.com | ggreg...@apache.org
> >> > > > > Java Persistence with Hibernate, Second Edition
> >> > > > > <
> >> > > > > https://www.amazon.com/gp/product/1617290459/ref=as_li_
> >> > > > tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1617290459&
> >> > > > linkCode=as2&tag=garygregory-20&linkId=
> >> cadb800f39946ec62ea2b1af9fe6a2b8
> >> > > > > >
> >> > > > >
> >> > > > > <http:////
> >> > > > >
> >> > ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&
> a=1617290459
> >> > > >
> >> > > > > JUnit in Action, Second Edition
> >> > > > > <
> >> > > > > https://www.amazon.com/gp/product/1935182021/ref=as_li_
> >> > > > tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182021&
> >> > > > linkCode=as2&tag=garygregory-20&linkId=
> >> 31ecd1f6b6d1eaf8886ac902a24de4
> >> > > 18%22
> >> > > > > >
> >> > > > >
> >> > > > > <http:////
> >> > > > >
> >> > ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&
> a=1935182021
> >> > > >
> >> > > > > Spring Batch in Action
> >> > > > > <
> >> > > > > https://www.amazon.com/gp/product/1935182951/ref=as_li_
> >> > > > tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182951&
> >> > > > linkCode=%7B%7BlinkCode%7D%7D&tag=garygregory-20&linkId=%7B%
> >> > > > 7Blink_id%7D%7D%22%3ESpring+Batch+in+Action
> >> > > > > >
> >> > > > > <http:////
> >> > > > >
> >> > ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&
> a=1935182951
> >> > > >
> >> > > > > Blog: http://garygregory.wordpress.com
> >> > > > > Home: http://garygregory.com/
> >> > > > > Tweet! http://twitter.com/GaryGregory
> >> > > > >
> >> > > >
> >> > >
> >> > >
> >> > >
> >> > > --
> >> > > Matt Sicker <boa...@gmail.com>
> >> > >
> >> >
> >>
> >
> >
> >
> > --
> > E-Mail: garydgreg...@gmail.com | ggreg...@apache.org
> > Java Persistence with Hibernate, Second Edition
> > <https://www.amazon.com/gp/product/1617290459/ref=as_li_
> tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1617290459&
> linkCode=as2&tag=garygregory-20&linkId=cadb800f39946ec62ea2b1af9fe6a2b8>
> >
> > <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=
> 1617290459>
> > JUnit in Action, Second Edition
> > <https://www.amazon.com/gp/product/1935182021/ref=as_li_
> tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182021&
> linkCode=as2&tag=garygregory-20&linkId=31ecd1f6b6d1eaf8886ac902a24de418%22
> >
> >
> > <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=
> 1935182021>
> > Spring Batch in Action
> > <https://www.amazon.com/gp/product/1935182951/ref=as_li_
> tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182951&
> linkCode=%7B%7BlinkCode%7D%7D&tag=garygregory-20&linkId=%7B%
> 7Blink_id%7D%7D%22%3ESpring+Batch+in+Action>
> > <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=
> 1935182951>
> > Blog: http://garygregory.wordpress.com
> > Home: http://garygregory.com/
> > Tweet! http://twitter.com/GaryGregory
>
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-- 
E-Mail: garydgreg...@gmail.com | ggreg...@apache.org
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<http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=1935182021>
Spring Batch in Action
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