Service:
	....
	entity=[Entity]

public class MyQualifiedNameProvider extends SimpleNameProvider {
	
	public String getQualifiedName(EObject e) {
		if(e instanceof Service){			
			return (Service)e).getEntity().getName()+"Service";
		}
		return super.getQualifiedName(e);
	}
}

String qualifiedName(YOURELEMENTINQUESTION x) {
   //       return assembled name
    }

public class <Module>QualifiedNameProvider extends DefaultDeclarativeQualifiedNameProvider {
	public String qualifiedName(<OBJECT_THAT_DOES_NOT_HAVE_NAME> service) {
// OBJECT_THAT_DOES_NOT_HAVE_NAME = Service class as per the example in this thread.
		if (service != null) {
			EStructuralFeature eStructuralFeature = service.eClass().getEStructuralFeature(<Module>PackageImpl.SERVICE_REFERENCE__ENTITY);
//SERVICE_REFERENCE__ENTITY is the ID of the structural feature. Have a look at <Module>PackageImpl class to see which is the appropriate id for you.
			List<AbstractNode> nodes = NodeUtil.findNodesForFeature(service, eStructuralFeature);
			return nodes.get(0).getLeafNodes().get(1).getText();
// I found the name that I was looking for in the above path. Not sure whether it would be different for others. The basic crux being that name has to be retrieved from the nodes list only.
		}
		return null;
	}
}

public class <Module>RuntimeModule extends Abstract<Module>RuntimeModule {
	@Override
	public Class<? extends IQualifiedNameProvider> bindIQualifiedNameProvider() {
		return <Module>QualifiedNameProvider.class;
	}
}