final Map<InstanceIdentifier<?>, DataObject> originalData = change.getOriginalData() != null ?
change.getOriginalData(): Collections.<InstanceIdentifier<?>, DataObject>emptyMap();
final Map<InstanceIdentifier<?>, DataObject> updatedData = change.getUpdatedData() != null ?
final Map<InstanceIdentifier<?>, DataObject> originalData = change.getOriginalData() != null ?
change.getOriginalData(): Collections.<InstanceIdentifier<?>, DataObject>emptyMap();
final Map<InstanceIdentifier<?>, DataObject> updatedData = change.getUpdatedData() != null ?