Simply code when filterObjecClazz is not null

Co-authored-by: BJ Hargrave <[email protected]>

bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/serviceregistry/ServiceRegistry.java

@@ -1077,13 +1077,16 @@ private List<ServiceRegistrationImpl<?>> lookupServiceRegistrations(String clazz
 				if (filter instanceof FilterImpl) {
 					// check if we can determine the clazz from the filter
 					String filterObjectClazz = ((FilterImpl) filter).getRequiredObjectClass();
-					if (filterObjectClazz != null && ((FilterImpl) filter).getChildren().isEmpty()) {
-						// this is a simple (objectClass=serviceClass) filter;
-						// no need to evaluate the filter
-						filter = null;
+					if (filterObjectClazz != null) {
+						result = publishedServicesByClass.get(filterObjectClazz);
+						if (((FilterImpl) filter).getChildren().isEmpty()) {
+							// this is a simple (objectClass=serviceClass) filter;
+							// no need to evaluate the filter
+							filter = null;
+						}
+					} else {
+					  result = allPublishedServices;
 					}
-					result = filterObjectClazz == null ? allPublishedServices
-							: publishedServicesByClass.get(filterObjectClazz);
 				} else {
 					// have to check all services
 					result = allPublishedServices;