commons-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Benedikt Ritter <brit...@apache.org>
Subject Re: [lang] Thread safety annotations
Date Sun, 27 Nov 2016 13:11:11 GMT
I thought we decided to abstain from documenting thread safety since it
would get outdated quickly anyway.

Gary Gregory <garydgregory@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 <boards@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 <garydgregory@gmail.com>
> wrote:
> >
> > > On Nov 26, 2016 8:40 PM, "Matt Sicker" <boards@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 <garydgregory@gmail.com>
> > > wrote:
> > > >
> > > > > On Sat, Nov 26, 2016 at 3:54 PM, sebb <sebbaz@gmail.com> wrote:
> > > > >
> > > > > > On 26 November 2016 at 19:25, Gary Gregory <
> garydgregory@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: garydgregory@gmail.com | ggregory@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
> > > > > >
> > > > > > ------------------------------------------------------------
> > > ---------
> > > > > > To unsubscribe, e-mail: dev-unsubscribe@commons.apache.org
> > > > > > For additional commands, e-mail: dev-help@commons.apache.org
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > > > --
> > > > > E-Mail: garydgregory@gmail.com | ggregory@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 <boards@gmail.com>
> > >
> >
> >
> >
> > --
> > Matt Sicker <boards@gmail.com>
> >
>
>
>
> --
> E-Mail: garydgregory@gmail.com | ggregory@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
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message