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From Chetan Mehrotra <chetan.mehro...@gmail.com>
Subject Re: Using Oak with PojoSR - Make use of OSGi features in POJO env
Date Mon, 10 Mar 2014 11:47:10 GMT
Created https://issues.apache.org/jira/browse/OAK-1522 to track this.
Kindly review the patch
Chetan Mehrotra


On Wed, Mar 5, 2014 at 1:24 AM, Jukka Zitting <jukka.zitting@gmail.com> wrote:
> Hi,
>
> On Tue, Mar 4, 2014 at 3:11 AM, Chetan Mehrotra
> <chetan.mehrotra@gmail.com> wrote:
>> 1. Configure components - Currently various sub modules are using
>> different ways to configure. Some is being done via system properties,
>> Security module has its own way of configuring, DataStore support has
>> its own
>
> That's why I brought up the new DataStore config mechanism as somewhat
> troublesome. Security configuration has the same problem.
>
> System properties are currently used in places where a quick and
> simple way is needed to tweak options during testing. If a particular
> setting needs to be available in production, it should be made
> configurable through a setter or a constructor argument. Then it is
> easy to control the setting through OSGi service properties or by
> whichever framework or configuration mechanism is being used.
>
>> 2. Expose extension points - Exposing extension points in non OSGi env
>> becomes tricky. We faced some issues around LoginModule extensiblity
>> earlier
>
> We have plenty of extension points (CommitHook, QueryIndexProvider,
> etc.) that work just fine. The problem with LoginModules is caused by
> the tricky way JAAS works, not by any inherent flaw in our extension
> mechanism.
>
>> PojoSR [1] provides support for using OSGi constructs outside of OSGi framework
>>
>> I have implemented a POC [2] which makes use of PojoSR to configure
>> Oak in pojo env. So far basic stuff seems to work as expected.
>>
>> Would be worthwhile to investigate further here and possibly provide a
>> PojoSR based RespositoryFactory?
>
> Looks nice! Having alternative ways of configuring and running Oak is
> useful, as it helps us spot problems like the one you brought up about
> the security configuration.
>
> BR,
>
> Jukka Zitting

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