Groups > comp.lang.java.programmer > #35746

Re: Is there a better way to reference this?

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From	Eric Sosman <esosman@comcast-dot-net.invalid>
Newsgroups	comp.lang.java.programmer
Subject	Re: Is there a better way to reference this?
Date	Tue, 11 Oct 2016 10:25:58 -0400
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On 10/11/2016 9:51 AM, Eric Douglas wrote:
> How to grab the instance from the inside without assigning?
> Sample:
>
>      HashSet<JTable> storeTable = new HashSet();
>      JTable myTable = new JTable() {
>           {
>                final JTable ref = this;
>                addFocusListener(new FocusListener() {
>
>                     @Override
>                     public void focusGained(FocusEvent e) {
>                          storeTable.add(ref);
>                     }
>
>                     @Override
>                     public void focusLost(FocusEvent e) {
>                     }
>
>                });
>
>           }
>      };

     I think you're out of luck as things stand.  If you were to use a
named class as your JTable subclass you could get rid of `ref' and use
`MyTableClass.this' inside the FocusListener, but as long as the JTable
extension remains anonymous I don't think there's any way to qualify
the `this'.

     (Disclaimer: I'm no language lawyer, just a language paralegal.)

-- 
esosman@comcast-dot-net.invalid
The Tooth Fairy has gone high-tech, now pays in Bitecoin.

Thread

Is there a better way to reference this? Eric Douglas <e.d.programmer@gmail.com> - 2016-10-11 06:51 -0700
  Re: Is there a better way to reference this? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-10-11 10:25 -0400
    Re: Is there a better way to reference this? Eric Douglas <e.d.programmer@gmail.com> - 2016-10-11 07:37 -0700
      Re: Is there a better way to reference this? Sebastian <nowhere@nirvana.org> - 2016-10-11 22:08 +0200

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