Mixins

[Matthew Adams]

...or you could use AspectJ and get stateful & stateless mixins (via
"introductions").

On Mon, Jan 23, 2012 at 11:14 PM, David Holmes <david.holmes at oracle.com>wrote:

> On 24/01/2012 9:47 AM, Behrang Saeedzadeh wrote:
>
>> What's the general consensus regarding supporting mixins in Java 8 (or 9,
>> etc.)? The more I use them, the more I like them. I especially like them
>> for organizing code -- different categories of responsibility for a class
>> are encapsulated in different mixins, for example:
>>
>> public class AccountManagement {
>>    mixin Authentication;
>>    mixin Authorization;
>>    mixin Administration;
>> }
>>
>
> You can get (some of?) the effects of stateless mixins/traits using the
> proposed Default Methods [1] coming in with Project Lambda. Given the lack
> of any active projects to do anything more than this, this would seem to be
> the most you could expect to get in Java 8.
>
> For Java 9+ ... work with an OpenJDK Committer to write up a JEP [2].
>
> Cheers,
> David Holmes
>
> [1] http://cr.openjdk.java.net/~**briangoetz/lambda/Defender%**
> 20Methods%20v4.pdf<http://cr.openjdk.java.net/~briangoetz/lambda/Defender%20Methods%20v4.pdf>
> [2] http://openjdk.java.net/jeps/0
>
>
>  Cheers,
>> Behrang Saeedzadeh
>> http://www.behrang.org
>>
>


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