Hi,
I've been playing a bit with aspect services using the DependencyManager and
I've found some behavior that doesn't match my expectations. So either my
expectations are wrong or I stumbled upon a bug...
Given an empty interface example.ExampleService, an empty implementation class
example.ExampleServiceImpl and the Activator included below, would expect the
aspect with ranking 20 to have property=aspect, but it actually has
property=original, as shown in the Gogo Shell output included below the
Activator source.
What is the intended behavior in this situation?
Regards,
Mark
public class Activator extends DependencyActivatorBase {
@Override
public void init(BundleContext context, DependencyManager manager) throws
Exception {
manager.add(createComponent()
.setInterface(ExampleService.class.getName(), new Properties() {{
put("property", "original");
}})
.setImplementation(ExampleServiceImpl.class));
manager.add(createAspectService(ExampleService.class, null, 10)
.setServiceProperties(new Properties() {{
put("property", "aspect");
}})
.setImplementation(ExampleServiceImpl.class));
manager.add(createAspectService(ExampleService.class, null, 20)
.setImplementation(ExampleServiceImpl.class));
}
@Override
public void destroy(BundleContext context, DependencyManager manager) throws
Exception {
}
}
[8] AspectExample
example.ExampleService(property=original) registered
org.apache.felix.dm.impl.AspectServiceImpl$AspectImpl@6087e704 registered
example.ExampleService (!(org.apache.felix.dependencymanager.aspect=*))
service optional available
example.ExampleService(service.ranking=10,property=aspect,org.apache.felix.dependencymanager.aspect=19)
registered
example.ExampleService
(&(|(!(service.ranking=*))(service.ranking<=9))(|(service.id=19)(org.apache.felix.dependencymanager.aspect=19)))
service required available
org.apache.felix.dm.impl.AspectServiceImpl$AspectImpl@7a4fe91e registered
example.ExampleService (!(org.apache.felix.dependencymanager.aspect=*))
service optional available
example.ExampleService(service.ranking=20,property=original,org.apache.felix.dependencymanager.aspect=19)
registered
example.ExampleService
(&(|(!(service.ranking=*))(service.ranking<=19))(|(service.id=19)(org.apache.felix.dependencymanager.aspect=19)))
service required available
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