Stefan,
as I understand this:
you have one OSGI server application
inside this application you can use extension points as usual
then you have n OSGI remote applications (per ex. RCP)
inside these applications you can also use extension points as usual
what Riena Remote Services adds to 'normal' OSGI applications:
you can use OSGI Services from your Server remote in your client
application
these remote services use 'internal' WebService-EndPoints and HTTP
(Hessian)
to 'transport' the service from server to client
ekke
Stefan Diener schrieb:
Hi, Riena developers,
I'm planning to use Riena for an
distributed
RCP application. Therefore I
examined the PingPong example and
Inject.service(...)
for the service binding.
This worked out very well for me,
but
as I started to examine
Inject.extension(...) things went
hopeless.
I have defined an extension point in
a common plug-in. The contributor plug-in
provides an extension for the
extension
point. The contributor plug-in depends
on the common plug-in. Both plug-ins
run inside an Equinox based application.
The consumer plug-in uses
Inject.extension(...)
to get notified when there is
any extension for the specific
extension
point. The consumer plug-in depends
on the common plug-in too. Both
plug-ins
run inside another Equinox based
application.
The problem is that the consumer
plug-in
is never notified about the extension
of the contribution plug-in. I'm not
sure what happens here, but from my point
of view there is no "remote"
extension registry. For the services, there is the
RemoteServiceFactory that registers
remote services. But is there anything
analogous for the extension registry?
Using services as remote services is
a very good thing, but using the extension
registry and its mechanisms would be
much better when developing an distributed
RCP application. So this question is
very fundamental for me. Is there a kind
of "remote" extension registry?
If so, how can I use it to access remote
extensions for any extension point?
Note: When running all 3 plug-ins
inside
the same Equinox based application,
everything is fine and the consumer
gets notified about the contributor's
extension. There is a local
extension
registry only and that's sufficient in
this case. But it's not distributed
any more...
However, maybe there's an easy and
obvious
solution that I don't know.
Any help is appreciated!
Thanks,
Stefan
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