[jsr294-modularity-eg] Exported packages and wildcard expansion

[Glyn Normington]

Thanks Andreas. I'm happy to wait for the separate compilation strawman to 
see how these concerns are addressed.

Glyn

Andreas Sterbenz <Andreas.Sterbenz at sun.com> wrote on 23/04/2007 17:40:38:

> Glyn Normington wrote:
> > 
> > The current strawman allows a package to be exported by specifying a * 

> > wildcard such as example.foo.myapp.*. The wildcard is expanded by 
javac.
> > 
> > This places some constraints on separate compilation. The superpackage 

> > must be compiled at a point in time when all the classes belonging to 
> > the package are (a) known and (b) available to javac.
> > 
> > So some scenarios must be handled carefully. Suppose two developers 
are 
> > collaborating to produce a superpackage and both are contributing 
> > classes to an exported package. It is not sufficient for them to share 

> > the superpackage source file and any shared code. They must also share 

> > the full set of contributed classes so that javac can perform the 
> > correct expansion.
> 
> This is what the separate compilation proposal that is the other aspect 
of 
> JSR 294 was designed for. It will allow developers to reference code at 
> compile time with only signatures being available but not the full 
source 
> or class files.
> 
> We are working on producing a strawman proposal as we did for 
> superpackages, but we are not quite there yet. In the meantime, the best 

> description of the idea can be found in Gilad's blog [1] and his JavaOne 

> presentation from last year [2].
> 
> Andreas.
> 
> [1] 
http://blogs.sun.com/gbracha/entry/developing_modules_for_development
> [2] 
> http://developers.sun.
> com/learning/javaoneonline/2006/coreplatform/TS-3885.html
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