Mailing-List: contact users-help@felix.apache.org; run by ezmlm
Precedence: bulk
Reply-To: users@felix.apache.org
Received-SPF: pass (athena.apache.org: domain of marcel.offermans@luminis.eu
 designates 157.56.112.147 as permitted sender)
Content-Type: text/plain; charset="windows-1252"
MIME-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\))
Subject: Re: Dependency Manager: registering FrameworkListener
From: Marcel Offermans <marcel.offermans@luminis.eu>
In-Reply-To: <54363311.30502@romandie.com>
Date: Thu, 9 Oct 2014 12:17:42 +0200
Content-Transfer-Encoding: quoted-printable
Message-ID: <E9AD8290-0CE9-4F68-A253-B7FCE27BF2A8@luminis.eu>
References: <1412590425931-5010083.post@n6.nabble.com>
 <54329EB2.8050301@ungoverned.org> <5434EF26.3090804@romandie.com>
 <etPan.543502cd.431bd7b7.2ab@MacPro.local> <54363311.30502@romandie.com>
To: <users@felix.apache.org>

Let me reverse the question: what would be a newer/better way and how =
should that be implemented. I mean I can see somebody writing a =
whiteboard style handler and donating it to (for example) Felix. Is that =
what you would like, or??

On 09 Oct 2014, at 9:02 am, Bulu <bulu@romandie.com> wrote:

> Hello Marcel
> Yes I already knew the standard way you describe. I just wanted to =
clarify whether a newer/better method existed.
>=20
> Thanks again for your answer.
> Philipp
>=20
> On 08.10.2014 11:24, Marcel Offermans wrote:
>> =46rom the spec: "A FrameworkListener object is registered with the =
Framework using the BundleContext.addFrameworkListener method.=94
>>=20
>> So it is not whiteboard-style (it pre-dates the whiteboard pattern =
afaik).
>>=20
>> In DM I would do:
>>=20
>> in the init:
>> dm.add(createComponent().setImplementation(Comp.class));
>>=20
>> and then the component:
>> public class Comp implements FrameworkListener {
>>   private volatile BundleContext m_context;
>>   public void start() {
>>     m_context.addFrameworkListener(this);
>>   }
>>   public void stop() {
>>     m_context.removeFrameworkListener(this);
>>   }
>>   // implement the FrameworkListener methods here
>> }
>>=20
>> of course it would also be possible to create a whiteboard style =
handler for this (just like one exists to handle Servlets for =
HttpService)=85
>>=20
>> Greetings, Marcel
>>=20
>> On 8 Oct 2014 at 10:06:01 , Bulu (bulu@romandie.com) wrote:
>>=20
>> Hello all
>>=20
>> I'm declaring a component using DM which gets created when all
>> dependencies are met. This component should also get notified of
>> framework events and thus implements FrameworkListener.
>>=20
>> Does the OSGi framework also use a whiteboard pattern for delivering
>> these events, meaning I only need to publish my component as a
>> FrameworkListener.class service and it will get called by the =
framework
>> when needed?
>>=20
>> If not, is there an elegant way of registering it using DM?
>>=20
>> Thanks & regards
>> Philipp
>>=20
>>=20
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscribe@felix.apache.org
>> For additional commands, e-mail: users-help@felix.apache.org
>>=20
>>=20
>=20
>=20
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@felix.apache.org
> For additional commands, e-mail: users-help@felix.apache.org
>=20


---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@felix.apache.org
For additional commands, e-mail: users-help@felix.apache.org