Re: [equinox-dev] Regarding Lazy Activation

[ajinkya prabhune <ajinkya.prabhune@xxxxxxxxx>]

Hello,

 

Super help from both of u. I am now gng through the articles and seeing how it works...

 

Yes I am trying to use a Service declared in A bundle --- to use in B bundle...

 

Can I make the A Bundle As Lazy so that when B bundle ask for service in A ... the A bundles gets Active and Registers the Service

will this work ?

 

Thanks for ur quick reply...

On Wed, Feb 16, 2011 at 3:32 PM, Neil Bartlett <njbartlett@xxxxxxxxx> wrote:

Ajinka,

Do not do this. It is a common newbie mistake: there should be no
start-ordering dependency between bundles.

You do not state *why* you want B to start after A has started. I
assume that you want to publish a service from A and consume it from
B? The correct way to do this is have B *listen* for the availability
of the service it needs to use, then A and B can be started in any
order.

As Petar points out, using Declarative Services (DS) is a much easier
way to implement services, since it takes care of all the aspects of
listening for availability etc. I strongly recommend that you use DS
instead of coding against the low-level OSGi services APIs.

Regards,
Neil

On Wed, Feb 16, 2011 at 1:36 PM, ajinkya prabhune
<ajinkya.prabhune@xxxxxxxxx> wrote:
> Hello,
>
> I am quite new to the concept of OSGi and bundles.
> I have this issue.
> For eg - I have 2 bundles
> Bundle A and Bundle B,  Bundle A depends on Bundle B
> But I want to start Bundle B only when Bundle A is started...
> what are the ways to do it ? I manually found out the Bundle B using the
> Bundle object and started the Bundle B with bundle.start() but I
> would like to do it without the Java Code. can the Framework Help me.
>
>
> I am not sure but how does Bundle ActivationPolicy lazy works ?
>
>
>
> Thank u and regards
>
> --
> Thank you and Regards
> Ajinkya Prabhune
>
>

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-- 
Thank you and Regards
Ajinkya Prabhune