hc-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Mike Dillon <m...@embody.org>
Subject Re: Adding JCIP annotations to httpclient (and NIO)
Date Tue, 17 Mar 2009 23:27:45 GMT
Interesting... I didn't realize that Class.getAnnotations() just
returned empty if it can't find any of the annotation classes... I guess
I assumed that @Retention(value=RUNTIME) would make things blow up if
the class is not there.

Thanks Sam.

-md

begin Sam Berlin quotation:
> Annotations are explicitly designed to allow code to continue working
> even if the annotation is not present at runtime.  Annotations just
> describe arbitrary additional details about code, but do nothing to
> inherently change or add logic.  Of course, if there's some code that
> looks at annotations and makes decisions based on whether or not the
> annotation exists on a variable/class/method/etc, then the annotation
> needs to be around -- but then you have a pretty clear reason & need
> for keeping the annotation around.
> 
> This is partly why annotations are so frickin' cool.
> 
> Sam
> 
> On Tue, Mar 17, 2009 at 7:10 PM, Mike Dillon <mike@embody.org> wrote:
> > begin sebb quotation:
> >> On 17/03/2009, Oleg Kalnichevski <olegk@apache.org> wrote:
> >> > sebb wrote:
> >> >
> >> > > The JCIP annotation jar
> >> > >
> >> > >
> >> > http://jcip.net/annotations/doc/net/jcip/annotations/package-summary.html
> >> > >
> >> > > is now available from Maven repos, so it might be a good idea to start
> >> > > using the annotations for code that requires Java 1.5+.
> >> > >
> >> > > Any objections if I add it as an optional dependency to HttpClient,
> >> > > and start adding annotations to classes?
> >> > >
> >> > > I don't think we need to update the NOTICE file as we are not
> >> > > republishing or creating a derived work, see end of Javadoc.
> >> > >
> >> > >
> >> >
> >> >  Sebastian
> >> >
> >> >  HttpClient would no longer compile without jcip-annotations.jar on the
> >> > class path, would it?
> >>
> >> The jar is needed for compilation, however it's not needed at run-time.
> >
> > How is it not needed at run-time if @Retention=RUNTIME?
> >
> > -md
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: dev-unsubscribe@hc.apache.org
> > For additional commands, e-mail: dev-help@hc.apache.org
> >
> >
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: dev-unsubscribe@hc.apache.org
> For additional commands, e-mail: dev-help@hc.apache.org
> 

---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@hc.apache.org
For additional commands, e-mail: dev-help@hc.apache.org


Mime
View raw message