@Plugin(
      name = "Add End Artificial Events",
      parameterLabels = {"Log"},
      returnLabels = {"Altered log"},
      returnTypes = {XLog.class},
      userAccessible = true,
      help = "Adds an artificial  end task to every trace in the log file")
  @UITopiaVariant(
      affiliation = "Department of Computer Science University of Pisa",
      author = "R.Guanciale,G.Spagnolo et al.",
      email = "*****@*****.**",
      pack = "PetriNetReplayAnalysis")
  public XLog addEvents(PluginContext context, XLog oldLog) {

    context.getFutureResult(0).setLabel(XConceptExtension.instance().extractName(oldLog));

    context.getProgress().setMinimum(0);
    context.getProgress().setMaximum(oldLog.size());
    context.getProgress().setIndeterminate(false);
    context.getProgress().setValue(0);

    XAttributeMap logattlist = copyAttMap(oldLog.getAttributes());
    XLog newLog = new XLogImpl(logattlist);
    for (int i = 0; i < oldLog.size(); i++) {
      XTrace oldTrace = oldLog.get(i);
      XTrace newTrace = new XTraceImpl(copyAttMap(oldTrace.getAttributes()));
      for (int j = 0; j < oldTrace.size(); j++) {
        XEvent oldEvent = oldTrace.get(j);
        XEvent newEvent = new XEventImpl(copyAttMap(oldEvent.getAttributes()));
        newTrace.add(newEvent);
      }

      Date time = new Date();
      try {
        time =
            ((XAttributeTimestampImpl)
                    oldTrace.get(oldTrace.size() - 1).getAttributes().get("time:timestamp"))
                .getValue();
        time.setTime(time.getTime() + 1);
      } catch (Exception ex) {
      }

      newTrace.add(makeEvent("ArtificialEnd", time));

      newLog.add(newTrace);
      context.getProgress().inc();
    }
    return newLog;
  }
 private static String getTraceName(XTrace trace) {
   String traceName = XConceptExtension.instance().extractName(trace);
   return (traceName != null ? traceName : "<unknown>");
 }