Hi! So the only way is by polling these services? Won't this lead to race condition problems?
Cheers On Thu Jan 29 2015 at 5:05:42 PM clement escoffier [via Apache Felix] < [email protected]> wrote: > > On 29 janvier 2015 at 19:23:16, Thiago Souza ([hidden email] > <http:///user/SendEmail.jtp?type=node&node=5011309&i=0>) wrote: > > Hi clement! > > Well, so maybe you could give me a hint. > > Is there any way to know when all the components of a custom handler of a > specific bundle has been instantiated and activated? For example, a > bundle > X defines components A and B wit a custom handler NS:H. Components A and > B > are all immediate annotated with @Instantiate. So, how can I know when > iPojo finishes processing bundle X? > > I tried listening to Bundle.STARTED event, but it seems that ipojo > processing is happening after this event (or it's async, I don't know). > Yes, it’s async by default. What you need to know is to listen the 2 queue > service provided by iPOJO. > > Check > https://github.com/wisdom-framework/wisdom/blob/master/core/wisdom-test/src/main/java/org/wisdom/test/parents/Stability.java#L78. > This function waits for all queues to be empty. > > Cheers, > > Clement > > > > > > Any help apreciated! > > Thanks > > > > On Thu Jan 29 2015 at 4:08:06 PM clement escoffier [via Apache Felix] < > [hidden email] <http:///user/SendEmail.jtp?type=node&node=5011309&i=1>> > wrote: > > > Hi, > > > > > > On 29 janvier 2015 at 15:21:00, Thiago Souza ([hidden email] > > <http:///user/SendEmail.jtp?type=node&node=5011306&i=0>) wrote: > > > > Hi! > > > > Thanks for the tips! I ended up creating a custom handler for this. > > > > Now, what I need to do is to generate some metadata to bundle's > manifest. > > Is it possible using the visitor? If not, I'll have to solve this in > > runtime. > > No the visitor does not let you do such kind of enhancement.The visitor > > lets you write the iPOJO metadata you want (well, they are stored in > the > > manifest, so maybe it’s enough for you). > > > > > > > > Cheers, > > > > > > > > Clement > > > > > > > > > > > > Thanks! > > > > On Mon Jan 26 2015 at 3:40:06 AM clement escoffier [via Apache Felix] < > > [hidden email] <http:///user/SendEmail.jtp?type=node&node=5011306&i=1>> > > > wrote: > > > > > Hi, > > > > > > On 25 janvier 2015 at 22:45:46, Thiago Souza ([hidden email] > > > <http:///user/SendEmail.jtp?type=node&node=5011275&i=0>) wrote: > > > Hi! > > > > > > I could implement a prototype that generates metadata in the > component > > > descriptor. > > > > > > Now I can create an iPojo that requires component factories with > these > > > metadata. But I'm not being able to find a way to access the pojo > > > instance > > > itself given a factory, is it possible? > > > You use the Factory to create a ComponentInstance, then you have two > > ways: > > > > > > 1) The best way is to retrieve a service exposed by the freshly > created > > > instance. You can use the ‘instance.name’ property to select the > > service. > > > That way, you manager ‘invalid’ instance (instances that depends on > > > unavailable services), as the service won’t be exposed in this case. > > > > > > try { > > > ServiceReference[] refs = > > > > > > context.getServiceReferences(YourServiceInterface.class.getName(), > > > "(instance.name=" + instance.getInstanceName() +")"); > > > if (refs != null) { > > > Foo your_object = (Foo) context.getService(refs[0]); > > > } > > > } catch (InvalidSyntaxException e) { > > > // Should not happen > > > } > > > 2) You can use the following snippet: > > > > > > if (instance.getState() == ComponentInstance.VALID) { > > > ImplementationClass object = > > > (ImplementationClass) ((InstanceManager) instance).getPojoObject(); > > > } else { > > > System.out.println("Cannot get an implementation object from an > invalid > > > instance"); > > > } > > > > > > First it requires a cast to InstanceManager. InstanceManager is the > > > implementation class behind @Component. As iPOJO supports her type of > > > entities, you need to be sure you are using @Component before casting > > > (others are Handler, Composite…). Once you have the instance manager > > you > > > can call the ‘getPojoObject’ to retrieve the pojo instance. If none > > exist, > > > one is created. > > > > > > > > > Cheers, > > > > > > Clement > > > > > > > > > > > > > > > Regards > > > > > > On Sun, Jan 25, 2015, 14:15 clement escoffier [via Apache Felix] < > > > [hidden email] <http:///user/SendEmail.jtp?type=node&node=5011275&i=1>> > > > > > > wrote: > > > > > > > Hi, > > > > > > > > Unfortunately stereotypes do not support ‘parameter’ right now, but > > you > > > > can use ‘visitors’ which are small classes rewriting the > annotation. > > > > Here is something similar to what you try to do: > > > > > > > > > > https://github.com/wisdom-framework/wisdom/blob/master/core/wisdom-ipojo-module/src/main/java/org/wisdom/ipojo/module/WisdomServiceVisitor.java > > > > > > > > > > > > > > Cheers, > > > > > > > > Clement > > > > On 25 janvier 2015 at 16:42:50, Thiago Souza ([hidden email] > > > > <http:///user/SendEmail.jtp?type=node&node=5011272&i=0>) wrote: > > > > > > > > Hi all, > > > > > > > > I'm trying to create a custom handler with a @Stereotype annotation > > > (named > > > > > > > > @Namespace) with the following use case: > > > > > > > > @Namespace("a-namespace") > > > > public class ANamespaceComponent { > > > > } > > > > > > > > The ANamespaceComponent would also inherit > > > @Component(name="a-namespace") > > > > > > > > and @Instantiate with additional processing. > > > > > > > > Unfortunatelly I'm not being able to understand, from the > > > documentation, > > > > what artifacts (and how) should be created. > > > > > > > > Any help appreciated! 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