Hi Felix,

as soon as I've arrived at home I've tried my source code again with little 
modifications and now it's working. Do not know why now and not before. So, 
UNFORTUNALITY :) , it had something to do with my code ^^

But nethertheless, thanks for your time :)

Regards.
Christian

----- Original Message -----
From: [email protected]
To: [email protected]
Date: 02.08.2012 16:58:11
Subject: Re: DS and FindHook


> Hi,
> 
> Am 02.08.2012 um 16:51 schrieb <[email protected]>:
> 
>> 
>>> Hi,
>>> 
>>> Am 02.08.2012 um 16:26 schrieb <[email protected]>:
>>> 
>>>> I'm using 4.0.1
>>> 
>>> Hmm, looking at the code the FindHook should actually be called. 
>>> 
>>> Is you FindHook called at all -- for other situations, too ? 
>> 
>> Yes it's called as soon as I'm using BundleContext.getServiceReference() 
>> elsewhere 
>> 
>>> 
>>> Is you DS component properly defined to use the bind method ? E.g. are you 
>>> sure to not mix Apache Felix SCR annotations with BND DS annotations ?
>> 
>> I'm using the Apache Felix SCR annotations.
>> 
>> 
>> Maybe I should prepare a little example and I send it to you?
> 
> Yes, this might help.
> 
> Regards
> Felix
> 
>> 
>> 
>>> 
>>> Regards
>>> Felix
>>> 
>>> 
>>>> 
>>>> ----- Original Message -----
>>>> From: [email protected]
>>>> To: [email protected]
>>>> Date: 02.08.2012 16:23:28
>>>> Subject: Re: DS and FindHook
>>>> 
>>>> 
>>>>> Hi,
>>>>> 
>>>>> Am 02.08.2012 um 16:21 schrieb <[email protected]>:
>>>>> 
>>>>>> Hi Felix,
>>>>>> 
>>>>>> thx for your answer. I completely forgot to tell that I'm using Apache 
>>>>>> Felix of course. 
>>>>>> 
>>>>>> I tried my FindHook with the more general way by calling 
>>>>>> BundleContext.getServiceReference and there it works. So as you told 
>>>>>> that must be an issue of the framework.
>>>>> 
>>>>> This of course bears the next question: Which version of the framework 
>>>>> are you using ?
>>>>> 
>>>>> Regards
>>>>> Felix
>>>>> 
>>>>>> 
>>>>>> Greetings.
>>>>>> Christian
>>>>>> 
>>>>>> ----- Original Message -----
>>>>>> From: [email protected]
>>>>>> To: [email protected]
>>>>>> Date: 02.08.2012 16:01:56
>>>>>> Subject: Re: DS and FindHook
>>>>>> 
>>>>>> 
>>>>>>> Hi,
>>>>>>> 
>>>>>>> Am 02.08.2012 um 14:32 schrieb <[email protected]>:
>>>>>>> 
>>>>>>>> Hi,
>>>>>>>> 
>>>>>>>> Today I worked a little bit with OSGi Hooks, specially with FindHook 
>>>>>>>> and EventListenerHook for services. I wanted to try out proxying 
>>>>>>>> services. The EventListenerHook works fine and my services are 
>>>>>>>> proxied. But I realized that the FindHook event would'nt be called if 
>>>>>>>> a service will get a reference of the service implementation by 
>>>>>>>> annotating the related setXXX method with @Reference (Bnd style). 
>>>>>>>> Maybe it is not a problem with the annotation, but with DS in general.
>>>>>>>> 
>>>>>>>> This is quite bad, bc there are two services registered one without 
>>>>>>>> proxy and one proxied. I only want to get references from the proxied 
>>>>>>>> one. In general, without DS, you can get references by calling 
>>>>>>>> BundleContext.getServiceReference(java.lang.Class<S> clazz) and the 
>>>>>>>> event FindHook.find will be called, where you can decide which 
>>>>>>>> ServiceReference you want to return.
>>>>>>>> 
>>>>>>>> What kind of processes will be executed when I'm using DS like 
>>>>>>>> approaches (for me: Bnd annotation @Reference)? As I described in the 
>>>>>>>> above section: I want to decide which services should be referenced.
>>>>>>> 
>>>>>>> I can only speak for the Apache Felix DS implementation: I use the 
>>>>>>> BundleContext.getServiceReferences(String, String) to explicitly access 
>>>>>>> service references using the BundleContext of the respective context 
>>>>>>> (thus to also have OSGi security applied). I would assume that 
>>>>>>> candidate service references are send to the FilterHook before getting 
>>>>>>> the result to the DS implementation.
>>>>>>> 
>>>>>>> So, unless there is a bug in the framework implementation or in your 
>>>>>>> hook registration, your hook should really be called. (and of course 
>>>>>>> only if the getServiceReferences call comes after your hook is 
>>>>>>> registered.
>>>>>>> 
>>>>>>> Regards
>>>>>>> Felix
>>>>>>> 
>>>>>>>> 
>>>>>>>> Greetings.
>>>>>>>> Christian
>>>>>>>> 
>>>>>>>> 
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