Venkat,
I'm in favour of adding OSGi metadata to relevant jars to enable them to
act as OSGi bundles. I think that OSGi is in a different space than
"other runtimes" and that supporting it is a good idea.
Other comments inline...
Yours, Mike
Venkata Krishnan wrote:
Hi,
This seems ok since you say it does not have side effects for other
consumers. However, I wonder if we can keep doing this for accomodating
other runtimes as well - am not sure what the others might want or if
they'd
need something not as simple as this - just postulating here ;-).
OSGi is less "another runtime" and more "a whole class of runtimes", so
in that sense it is special. OSGi is a framework for organizing
runtimes into logical chunks. Many runtimes use OSGi - the most famous
being Eclipse. I think that we should make it easy for Tuscany SCA (and
SDO for that matter) to fit into a runtime that is using OSGi. To do
that ideally requires us to add some OSGi metadata to relevant jar files.
Or,
seeing it from the other side I wonder if it would be ok to consider
specific inclusions in OSGi bundles to facilitate their handling in a SCA
runtime.
This is looking at it the other way around. I believe that this is the
work that Rajini and others are already doing in building an
<implementation.osgi .../> for Tuscany, to allow stuff built using OSGi
to work cleanly within Tuscany.
So, from what I am able to comprehend, I'd prefer to avoid this tie in.
Maybe we should also hear what others have to say.
It is no tie-in. Adding OSGi metadata does not make any of our JARs
unusable by anyone else and it does not force the use of OSGi - and the
handling of the OSGi metadata in the build process can be pretty simple,
I believe.
There is a whole separate question about whether we should consider
building the whole Tuscany SCA runtime using OSGi. There are merits to
that, but also potential downsides - however, we can have a completely
separate debate about that some other time, since it has nothing to do
with Rajini's current proposal.
Thanks
- Venkat
On 7/6/07, Rajini Sivaram <[EMAIL PROTECTED]> wrote:
Hello,
Could we convert sca-api.jar to an OSGi bundle so that bundles used by
the
OSGi implementation type can import SCA annotations and interfaces? This
may
be already being addressed in the other OSGi related work, but the change
is
simple and will enable the support for SCA annotations in OSGi bundles to
progress.
Converting sca-api.jar to an OSGi bundle would just need the addition
of a
few entries in the manifest file for the jar, and will not affect any
other
modules using the jar file as a regular jar.
Thank you...
Regards,
Rajini
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