Thanks for your reply! 

So the only "real" service here is the one at the root (The manager). I was
under the impression that everything that was passed over a bundle-bundle
boundary had to be a service, but I guess you're right. The resources are
just objects that don't really correspond to services.


Richard S. Hall wrote:
> 
> Why make them available as services if you don't want to access them as 
> services? Just create one service (e.g., a ResourceRegistry) from which 
> you can access your other objects.
> 
> Otherwise, use something like iPOJO or DS to manage your services for 
> you and don't worry about it.
> 
> -> richard
> 
> On 5/27/11 15:22, chronozphere wrote:
>> Hello,
>>
>> I'm using felix for a project of mine that uses a lot of
>> services/interfaces
>> for communication between bundles. For example, one bundle contains a
>> manager to manage X resources. Each X resource contains multiple Y
>> resources
>> and every Y resource has some Z resources. Ofcourse, these resources are
>> accessible as services.
>>
>> It is tempting to let this bundle register an XManager service, who's
>> interface just returns X service interfaces (my own defined type). The
>> good
>> thing about this is that other modules can directly access the X
>> resources
>> and their corresponding Y and Z resources.
>>
>> However, I have the impression that you have to use the mechanism
>> provided
>> by ServiceReference and context.getService(). This would mean that I have
>> to
>> keep track of all X service-instances in each of my client bundles, in
>> order
>> to unget them when no longer needed. Moreover, I would need to do the
>> same
>> with the Y and Z that can be accessed through each X service. I would
>> need a
>> big number of getService() calls all over my code and it wouldn't look
>> nice.
>>
>> So, is it neccesary to use the getService/ungetService calls EVERYTIME
>> you
>> want to access services from other bundles, or can I just pass the
>> interfaces around if I want? What are the implications of doing the
>> latter?
>>
>> Thanks alot!
>>
>> P.S: The bundles I'm programming are not part of a program which is
>> completely used offline. So the bundles will be available at all times
>> during the program's lifetime.
> 
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