experimenting with felix I found that dynamic dependencies are not
injected while the acivate method is being executed.
The experiment code
/**
* @scr.component
* @scr.reference name="component" cardinality="0..n" policy="dynamic"
* interface="java.lang.Object" target="(testing=true)"
*/
public class Main {
protected void bindComponent(Object component) {
System.out.print("binding component");
}
protected void unbindComponent(Object component) {
System.out.print("unbinding component");
}
protected void activate(ComponentContext context) {
System.out.print("starting");
try {
Thread.sleep(30 * 1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
System.out.print("finished starting");
}
}
when I activate the above component and an injectable component
immediately after, the output "binding component" will only appear after
"finished starting".
Is this a felix specific behaviour that is not guaranteed by the
specifications?
Regards,
Reto
Neil Bartlett said the following on 03/05/2009 11:09 AM:
> It depends. If your component uses the "static policy" then the
> binds/unbinds will not happen concurrently with the
> activate/deactivate methods.
>
> However, if you use "dynamic" policy then they certainly can happen
> concurrently and you need to write your component to be thread-safe.
>
> Regards
> Neil
>
> On Thu, Mar 5, 2009 at 9:52 AM, Reto Bachmann-Gmür
> <reto.bachm...@trialox.org> wrote:
>
>> I guess a simple question: is it guaranteed that the
>> activate,deactivate, the bind- and unbind methods of a component are not
>> called synchronously?
>>
>> Cheers,
>> Reto
>>
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