For Coin 8: this keyword for static methods

Paul Benedict pbenedict at apache.org
Sat Feb 26 16:54:54 PST 2011


I thought the original question was to find a way to remove the static class
name. That's not anything that needs computation at runtime. The compiler
can emit it.

On Sat, Feb 26, 2011 at 6:47 PM, Vimil Saju <vimilsaju at yahoo.com> wrote:

> Hi,
>
> >From your blog I see that in JDK7 the code
>  MethodHandles.lookup().lookupClass()
> returns the current class. I read it is also possible to get the current
> class from the stack trace.
>
> However from a performance point of view wouldn't having a keyword of some
> sort to get the current class be more efficient than having to go-through
> the stack trace to determine the current class, or does the JVM also have to
> do the same thing to determine the current class?
>
> Thanks
> Vimil
>
> --- On Sat, 2/26/11, Rémi Forax <forax at univ-mlv.fr> wrote:
>
> > From: Rémi Forax <forax at univ-mlv.fr>
> > Subject: Re: For Coin 8: this keyword for static methods
> > To: coin-dev at openjdk.java.net
> > Date: Saturday, February 26, 2011, 1:35 PM
> > On 02/22/2011 06:47 PM, Vimil Saju
> > wrote:
> > > Hi,
> > >
> > >   It would be nice to have a 'this'
> > >   keyword for static methods. For
> > static methods 'this' refers
> > >   to the class in which the static
> > method is defined.
> > >
> > >   In our code-base we have a lot of
> > places where we
> > >   initialize a logger for a class as
> > follows
> > >
> > >   public class MyApp {
> > >      static Logger logger =
> > Logger.getLogger(MyApp.class);
> > >      ...
> > >      ...
> > >
> > > If we could refer to MyApp using the keyword 'this'
> > then when copying this code to other classes there wouldn't
> > be a need to remember to change the class passed to the
> > getLogger method.
> > >
> > > Thanks
> > > Vimil
> >
> > see my blog :)
> >
> http://weblogs.java.net/blog/forax/archive/2010/10/26/how-get-current-class-java
> >
> > Rémi
> >
> >
> >
> >
>
>
>
>
>



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