On 05/24/2012 03:57 PM, Oberhuber, Martin wrote:
- Yes Optional non-greedy has no effect on the installer;
But, the p2 metadata also serves as documenting the OSGi/runtime
dependencies from all MANIFEST.MF in a repo so having it in there is extra
information that may help some and doesn't hurt.
Which just about summarizes what I first wrote. One might argue that this "documentation" is less useful than the
optional greedy dependencies that Dennis is using. After all, they do have an (in this case desired) effect on the
installer.
- thomas
Martin
-----Original Message-----
From: cross-project-issues-dev-boun...@eclipse.org
[mailto:cross-project-issues-dev-boun...@eclipse.org] On Behalf Of Thomas
Hallgren
Sent: Thursday, May 24, 2012 3:37 PM
To: Cross project issues
Subject: Re: [cross-project-issues-dev] Yet another nag note ... and, I mean it
this time!
On 05/24/2012 03:13 PM, Gunnar Wagenknecht wrote:
Am 24.05.2012 14:57, schrieb Thomas Hallgren:
One could very well argue that an optional non-greedy dependency is
completely useless and doesn't fulfill any other purpose but documentation.
We have a bunch of bundles in place that have optional non-greedy
dependencies to allow flexibility at runtime. For example, Logback can
be configured via API, XML or Groovy. Groovy as well as XML
configuration require additional dependencies. Imaging all those
dependencies were greedy.
Then they would be installed of course. Now they are not installed and the
dependencies have no purpose aside from what I mentioned earlier, documentation.
BTW, they need to be optional for the bundles to properly resolve if
the dependencies aren't there. They need to be declared to allow the
bundle class loader to load them if they are available.
To my knowledge, the bundle class loader is using the MANIFEST.MF, not the p2
meta-data. So my argument still stands.
- thomas
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