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From Matias SM <matias...@yahoo.com.ar>
Subject Re: Look for a missing dependency in OBR
Date Sun, 18 Mar 2012 14:18:13 GMT
Thank you very much for your help Richard.
I will start another thread about my "distribution" problem to set a 
context and hopefully get some insights about other possible approaches 
to the problem.

Regards and thanks again.

On 18/03/12 00:13, Richard S. Hall wrote:
> On 3/17/12 20:59 , Matias SM wrote:
>> Thank you for your answer Richard.
>>
>> Is that API available as a bundle to download?
>
> The Felix OBR bundle provides that API. The OSGi API is also 
> optionally provided, but you have to download that OSGi OBR API as a 
> separate bundle. (i.e., you only need the Felix OBR bundle installed 
> to use the Felix OBR API, but you need the Felix OBR bundle and the 
> OSGi OBR API bundle installed to use the OSGi OBR API with the Felix 
> OBR implementation)
>
>>
>> I see in the Felix svn trunk that the RepositoryAdmin has a "new" 
>> method:
>> > Resource[] discoverResources(Requirement[] requirements);
>> Is that what you mean?
>
> Yes.
>
>>
>> Also, I need to "ask" for the resource (bundle) in other server, so I 
>> need to transmit the "requirement" through the network. Is there a 
>> way to do this (e.g. create a requirement from a string) using only 
>> the exported API or should I use the specific implementation?
>
> Not sure what you mean. The OBR bundle and/or spec has nothing to do 
> with distribution, so you are on your own there. However, yes, it 
> should be fairly easy to serialize a requirement since they are 
> already read from an XML file to begin with.
>
> -> richard
>
>>
>> On 17/03/12 20:50, Richard S. Hall wrote:
>>> The original proposed OSGi OBR API didn't provide a way to do this 
>>> from the RepositoryAdmin. You need to use the Felix OBR API, which 
>>> exposes such functionality on its RepositoryAdmin.
>>>
>>> -> richard
>>>
>>> On 3/17/12 19:16 , "San Martín, Matías" wrote:
>>>> Hi everybody,
>>>> I'm doing some experimentation with OBR (API) and I don't know how 
>>>> to find a missing requirement with it.
>>>> That is, if I have a filter expression (as used in a <resource>'s 
>>>> <require> description in a repository xml file), is there a way to

>>>> query the OBR service (by means of the repositoryAdmin, I guess) 
>>>> for the bundles that satisfy that requirement?
>>>>
>>>> For example,
>>>> I have the filter: "(&(package=org.foo.somepackage)(version>=1.3.0))"
>>>> Then I would like to query for some bundle that exports the package 
>>>> "org.foo.somepackage" with a version >= 1.3.0.
>>>>
>>>> From the documentation in the RepositoryAdmin class (revision 1.3):
>>>> "Checking the capabilities of the filters is not possible because 
>>>> that requires a new construct in the filter."
>>>> I guess it can't be done. But maybe I'm missing something.
>>>>
>>>> Thanks in advance for any insight about this.
>>>>
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>>
>
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