182 	protected List<String> versionsSupported = new LinkedList<>();

   182 	private List<String> versionsSupported = new LinkedList<>();

   183 	protected List<AttributeMetadata> inputAttributes = new ArrayList<>();

   183 	private List<AttributeMetadata> inputAttributes = new ArrayList<>();

   184 	protected List<String> outputAttributeAliases = new ArrayList<>();

   184 	private List<String> outputAttributeAliases = new ArrayList<>();

   185 	protected List<Option> options = new LinkedList<>();

   185 	private List<Option> options = new LinkedList<>();

   186 	protected String currentRelation;

   186 	private String currentRelation;

   187 	protected String currentFile;

   187 	private String currentFile;

   188 

   189 	/**

   190 	 * @return n.b. generic streamlet (later in relpipe-tr-streamler) will not have currentFile

   191 	 */

   192 	public String getCurrentFile() {

   193 		return currentFile;

   194 	}

   195 

   196 	public String getCurrentRelation() {

   197 		return currentRelation;

   198 	}