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Event Admin on JMS ( Declarative Services ) [message #504929] Wed, 23 December 2009 10:10 Go to next message
Andrea Zoppello is currently offline Andrea Zoppello
Messages: 48
Registered: July 2009
Member
Hi all,

I've read the wiki page about ECF Distributed Event Admin, it's a very good idea. btw i have some question about:

1) It's possible to use DistributedEventAdmin using declarative services??, i would like to have a DS powered bundle that provide the distributed EventAdminService.


2) Which is the code that handle the commnunication with
JMS Broker???

Thx in Advance

Andrea Zoppello
Re: Event Admin on JMS ( Declarative Services ) [message #505029 is a reply to message #504929] Thu, 24 December 2009 13:38 Go to previous message
Scott Lewis is currently offline Scott Lewis
Messages: 971
Registered: July 2009
Senior Member
Hi Andrea,

Andrea Zoppello wrote:
> Hi all,
>
> I've read the wiki page about ECF Distributed Event Admin, it's a very
> good idea. btw i have some question about:
>
> 1) It's possible to use DistributedEventAdmin using declarative
> services??,

Yes, absolutely. One thing I should make clear...*all* of both the ECF
remote services [1] and the DistributedEventAdmin (a distributed
implementation of the osgi EventAdmin service) is completely amenable to
being used with declarative services (Note: we are in the middle of a
conversion from the RFC119 implementation to the OSGi 4.2 remote
services spec...[1a]). This is true because the ECF remote services
work, along with the DistributedEventAdmin are simply adding
distribution to normal, standard, osgi services (this is a good part of
the value of using open, standard mechanisms).

So all the mechanisms built for using OSGi services (e.g. declarative
services) can/will work exactly the same.

There's actually a talk proposal for EclipseCon 2010 that includes some
material on the combination of ECF remote services, and declarative
services [2]. Bryan Hunt is also a good resource on the combination of
using remote services and declarative services together. You can find
him (as well as the rest of us) on the ECF mailing list [2a].


i would like to have a DS powered bundle that provide the
> distributed EventAdminService.

This should be straightforward. If you are having difficulties for
whatever reason, please let us know on ecf-dev at eclipse.org mailing
list [2a].

>
>
> 2) Which is the code that handle the commnunication with JMS Broker???

The ActiveMQ provider (which uses JMS spec...along with the ActiveMQ
broker), is available at the ECF 'extras' site...i.e.
http://ecf1.osuosl.org I am actually working on testing the ActiveMQ
provider/JMS broker with the new remote services implementation [1a],
and expect to have completed this within the coming week.

Thanks,

Scott

P.S. We would be interested to hear about any work you are doing with
the DistributedEventAdmin, so please consider joining the ECF mailing
list [2a], and describing what you are doing/would like to do.

[1] http://wiki.eclipse.org/Distributed_OSGi_Services_with_ECF
[1a] https://bugs.eclipse.org/bugs/show_bug.cgi?id=290446
[2] https://www.eclipsecon.org/submissions/2010/view_talk.php?id =1454
[2a] https://dev.eclipse.org/mailman/listinfo/ecf-dev
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