import org.osgi.framework.*;
import org.osgi.util.tracker.*;
public class MyServiceConsumer {
private BundleContext context;
private ServiceTracker<MyService, MyService> tracker;
public void start(BundleContext ctx) throws Exception {
context = ctx;
tracker = new ServiceTracker<>(context, MyService.class, new MyServiceTrackerCustomizer());
tracker.open();
}
public void stop(BundleContext ctx) throws Exception {
if (tracker != null) {
tracker.close();
tracker = null;
}
context = null;
}
private class MyServiceTrackerCustomizer implements ServiceTrackerCustomizer<MyService, MyService> {
@Override
public MyService addingService(ServiceReference<MyService> reference) {
MyService service = context.getService(reference);
// Perform initialization
return service;
}
@Override
public void modifiedService(ServiceReference<MyService> reference, MyService service) {
// Perform any necessary updates
}
@Override
public void removedService(ServiceReference<MyService> reference, MyService service) {
// Perform cleanup
context.ungetService(reference);
}
}
}
Manifest-Version: 1.0
Bundle-ManifestVersion: 2
Bundle-Name: MyServiceConsumer
Bundle-SymbolicName: com.example.myserviceconsumer
Bundle-Version: 1.0.0
Bundle-Activator: com.example.myserviceconsumer.Activator
Require-Bundle: org.osgi.core
