Hey folks. I have been developing an application with Apache Felix as my OSGi runtime for a while and up until now progress has been great. However, I want to now adopt dependancy injection and the "default" mechanism with Apache Felix seems to be iPOJOs.
However, I've found that the documentation and tutorials around about Apache felix are too weak and I've not managed to get anywhere. So I am prepared to change, but first of all I'd better explain the (very simple) think I'm trying to do.
Given two bundles;
Consumer bundle
Code:
class Consumer implements BundleActivator{
@Inject
private Producer producer;
public void bundleActivated(BundleContext con) {
this.producer.getNextItem();
}
}
Producer bundle
Code:
@Singleton
class Producer {
public String getNextItem() {
return "item x";
}
}
I want the OSGi runtime to start up the Consumer bundle, realize that it needs a Producer to work, the framework then starts the Producer bundle and injects and instance into the Consumer. Simples. iPOJOs suggest that this is possible using annotations only (@Singleton, @Inject) or similar, but I simply can't get it to work. OSGi apparently has declarative services, but that means writing a lot of XML, which I
really want to avoid.
Anywoo, I'm prepared to adapt JBoss, Equinox or alternative OSGi runtime and an alternative dependancy injection mechanism, be that Peaberry, Spring DM or something completly difference. I'm already using Maven.
What I'm asking, is can somebody create a Hello World using the Producer and Consumer idea to help me get started? I've really spent a tonne of time reading up and find the learning curve insurmountable!
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