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Re: [jakartaee-platform-dev] [External] : Re: JPMS requirements discussion
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On 6/8/21 8:19 PM, Jason Greene wrote:
On Tue, Jun 8, 2021 at 11:05 AM Mark Thomas <markt@xxxxxxxxxx
<mailto:markt@xxxxxxxxxx>> wrote:
> My expectation is that most API JARs will need to provide more metadata
> than just an automatic module name in the manifest. If that is not the
> case then the argument for all API JARs being required to provide a
> module-info.class may not be as strong as I thought it was. That said,
> my preference would still be to provide module-info.class files.
The biggest difference would be the ability to affect exports.
and opens, thus reflection access - many specs do require it to
access/scan user-defined classes. If vendor neutrality is one of the
goals, one should not be required to use --add-opens <toVendorImpl> on
the command line (or equivalent in his descriptor) but to define opens
xy to specName and let the spec API jar do the right thing - delegate
that particular "opens" to the discovered inmplementation; IF required
and unless there exists another solution..
thanks,
--lukas
Although,
in exchange for significantly reduced visibility and added dependency
management complexity. The export restrictions are insufficient to be an
access control mechanism, so really more of a warning. If you have an
API/impl split as is the case of spec + multi-vender then its
applicability is pretty limited.
>
> Mark
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