Hi Peter,
Sorry i've wrongly assumed people know what jbpm is.
It's the workflow engine by jboss: http://www.jboss.org/jbossjbpm/
It's often used as embeddable workflow engine. When i refer to custom
handler i'm speaking about
some special classes you could associate to a step during workflow
definition.
BTW i think my problem is more general, i've got it for JBPM but the
problem is general
when you've objects that are not direct created by your own code ( so
you could pass bundlecontext, service trackers ), and these object
needs to use osgi services ..
Regards
Andrea
Peter Kriens ha scritto:
Maybe you should explain what jbpm is?
Kind regards,
Peter Kriens
On 12 jun 2009, at 11:04, Andrea Zoppello wrote:
Hi all,
In these day i'm trying to understand which is the best way to use an
OSGi service by an object that is
not directly managed by container.
I need this because basically i want use jbpm to call osgi-services (
using custom-handler class ).
The problem is that jbpm custom action handler classes are managed by
jbpm as well and not by osgi.
So i need a way to get an handle to the osgi services inside the
custom handler class, but on the other side this
is managed by jbpm so i cannot pass the bundle context so to use a
service tracker..
One solution i've find is to use an activator that has a service
tracker for the OSGi Services that i want to use
in my jbpm custom handler class and to expose by the activator a
static method to get the service i'm interested to.
I've declared the ServiceTracker as static... and i've initialized
this in the start method of my activator.
Is there any problem having the service tracker declared static????
With this trick my custom handler class get the OSGi service using a
static method on the activator class...
I don't like too much that solution but i have not found a better one...
Is there any way to handling better such type of thing??? Any idea??
Thanks
Andrea Zoppello
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