Now that I have gotten this running, I tend to agree with you. Thank you so
much for your help.
Damon
On Wed, Mar 18, 2009 at 8:24 AM, Richard S. Hall <he...@ungoverned.org>wrote:
> OBR is only necessary for cases where you want to calculate the transitive
> closure of dependencies for a given [set of] bundle[s]. In your case, you
> know your updated modules, so you can probably just go ahead an update them
> and do a refresh and then you are done.
>
> -> richard
>
>
> On 3/18/09 11:15 AM, Damon Jacobsen wrote:
>
>> I am trying to write a "bootstrap" client. I want to be able to
>> dynamically
>> push new application modules or update running modules without having to
>> have my users even aware that I am doing so. My thought is to back all the
>> bundles in a database layer which the application monitors for loading,
>> unloading and updating modules as necessary. Perhaps OBR is not even
>> necessary for this functionality. I am just exploring all options for
>> usage
>> of OSGi.
>>
>> Damon
>>
>> On Wed, Mar 18, 2009 at 5:55 AM, Richard S. Hall<he...@ungoverned.org
>> >wrote:
>>
>>
>>
>>> Typically, OBR is used by installing the bundle into a running framework,
>>> but I suppose it is possible to use it like you are trying to do. You
>>> will
>>> have to make sure to export its classes from the system bundle.
>>>
>>> To set the URL to the repository.xml file, you must specify it with
>>> "obr.repository.url" in the configuration properties.
>>>
>>> I am not sure what you mean by saying you are trying to provide a dynamic
>>> layer under your application to update its libraries. Your application
>>> has
>>> to be built from bundles and installed inside the OSGi framework to get
>>> this
>>> to work, is that your plan?
>>>
>>> -> richard
>>>
>>>
>>> On 3/17/09 6:19 PM, Damon Jacobsen wrote:
>>>
>>>
>>>
>>>> Richard,
>>>>
>>>> Using that page as a reference, I tried this:
>>>>
>>>> Felix felix = new Felix(configMap);
>>>> felix.start();
>>>> BundleContext bundleContext = felix.getBundleContext();
>>>> RepositoryAdmin admin = new RepositoryAdminImpl(bundleContext,null);
>>>> Resolver resolver = admin.resolver();
>>>> for (Resource resource : admin.discoverResources("*"))
>>>> System.out.println(resource.getId());
>>>>
>>>> I am trying to start really simple, but this code returns an NPE. Should
>>>> I
>>>> be using the Felix BundleContext? How do I spcify the configuration xml
>>>> to
>>>> the Felix context? Is this the proper way to discover resources? I am
>>>> trying
>>>> to provide a dynamic layer under my application so that I may update
>>>> libraries on the fly, but I don't seem to be getting how this all works.
>>>>
>>>> Damon
>>>>
>>>> On Tue, Mar 17, 2009 at 2:31 PM, Richard S. Hall<he...@ungoverned.org
>>>>
>>>>
>>>>> wrote:
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>>> I am not sure how much documentation is available. You can search for
>>>>> the
>>>>> original RFC 112, which Peter Kriens made available from one of his
>>>>> blogs.
>>>>> There is our web page on our impl:
>>>>>
>>>>>
>>>>> http://felix.apache.org/site/apache-felix-osgi-bundle-repository.html
>>>>>
>>>>> The approach is fairly simple. You populate the OBR repo using a URL to
>>>>> a
>>>>> repository.xml file. You can then use the OBR service interface to
>>>>> discover
>>>>> available bundles. You can tell OBR which bundles you are interested in
>>>>> using the Resolver interface, then it will resolve their transitive
>>>>> dependencies and deploy them for you into your running framework.
>>>>>
>>>>> That's about it.
>>>>>
>>>>> -> richard
>>>>>
>>>>>
>>>>> On 3/17/09 4:16 PM, Damon Jacobsen wrote:
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>> I sent an email earlier trying to figure out some basics. I think I
>>>>>> have
>>>>>> gotten some sort of embedded Felix framework running. I am trying to
>>>>>> figure
>>>>>> out how to discover and activate bundles using OBR. I am assuming that
>>>>>> it
>>>>>> works similar to Maven in the sense that there is some ways to say I
>>>>>> am
>>>>>> looking for artifact X at revision Y and OBR will resolve it and load
>>>>>> my
>>>>>> bundle. Are there any good articles for using OBR, possibly within an
>>>>>> embedded context? Any help would be appreciated.
>>>>>>
>>>>>> Damon Jacobsen
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
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>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>
>>
>>
>
