Declarative Services (DS) is part of the OSGi specification. The
specification has been implemented by Eclipse's Equinox project. The DS
specification is typically implemented as one or more bundles, separately
from the core OSGi framework, which is why it appears to be an
Eclipse/Equinox component. You can use Equinox's DS implementation with
other OSGi framework implementations.
Your code registers an OSGi service using the BundleContext class'
programmatic APIs. OSGi services can also be registered using the DS by
describing the services via a "component" in XML. Whether you register
an OSGi service via the BundleContext class' programmatic APIs, or via DS
makes no difference. You could very easily take your IImageSegmentation
object an register it as a service using DS. A service is a service no
matter how you register it with the OSGi Service Registry.
If you want to learn more about DS, I recommend the following book that
has excellent coverage of DS:
http://equinoxosgi.org/
http://www.amazon.com/OSGi-Equinox-Creating-Modular-Systems/dp/0321585712/ref=sr_1_1?s=books&ie=UTF8&qid=1288816761&sr=1-1
Good luck,
Simon
From:
Santiago Hurtado Gutierrez <[email protected]>
To:
[email protected]
Date:
11/03/2010 04:27 PM
Subject:
[equinox-dev] Declarative Services
Sent by:
[email protected]
Hi all
I have been working with JNA for sometime now using c++ components like
follows
service = (IImageSegmentation) Native.loadLibrary("SmoothSegmentation",
IImageSegmentation.class);
registry = bundleContext.registerService(IImageSegmentation.class
.getName(), service, null);
My question is if there is any chance to use them as declarative services,
all of this is to maybe be able to use e4
Also I will like to know why the declarative services are a eclipse
component and no a OSGi since the specification has DS
Thanks in advance_______________________________________________
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