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| Re: Mixing Plugins and Bundles in RCP [message #33814 is a reply to message #33580] |
Fri, 16 January 2004 05:13  |
Eclipse User |
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Originally posted by: jeff_mcaffer_REMOVE.ca.ibm.com
Unfortunately the doc on the new runtime is sparse (but coming). Some
points that may help
- plugin == bundle. There is no difference. It happens that we have a
facility for converting a plugin.xml to a manifest.mf but that is just
syntax and is done automagically/transparently if needed.
- Most of Eclipse does not (yet) define, implement or use services.
Extnesions and extension points are a complementary way of managing the
connections between bundles. Over time we expect Eclipse code to use
services where they are the most appropriate and the extension mechanism
where it makes sense.
- Crossing the divide: PDE is not a BDE (yet). It works mostly in terms of
the things that traditional plugin developers do/need. So, for example, it
does not have a bundle manifest editor which would allow you to express
Imports and Exports. You have to define the manifest.mf yourself. PDE is
still helpful does not yet cover all the cases you will see.
Hope that helps
Jeff
"Stephen Goldbaum" <stephen.goldbaum@lehman.com> wrote in message
news:bu6upo$mfo$1@eclipse.org...
> So, I've looked at the RCP tutorials and played with Bundle Projects and
> Plugin Projects. I'm still confused on how to mix OSGi bundles with
> Equinox generated bundles and/or plugins.
>
> The RCP tutorials are based on implementing an instance of
> IPlatformRunnable. However, as far as I can tell there's no hook between
> the extensions in this example and the OSGi framework. So how would any
> of the views, perspectives, etc. in this tutorial get access to an OSGi
> service?
>
> Also, the Export/Import-Package OSGi headers seem to be incompatible with
> the Provides-Package Equinox header. Specifically, an bundle deployed
> with the Equinox headers won't pick up the classes exported by the OSGi
> headers. Similarly, the packages declared with an Import-Package aren't
> resolved to those declared with a Provide-Package from another bundle.
>
> This all leads to: How do I cross the divide between pure OSGi bundles and
> those generated by Equinox? I seem to be missing how I managed building
> the client part of an application using PDE that has access to existing
> OSGi bundles.
>
> Thanks,
> Stephen
>
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