code: @Override
    protected SimpleSearchEvent createNextEvent() {
      // TODO for now, query is a number, but we should create a query from some dictionary
      SimpleSearchEvent e = new SimpleSearchEvent();
      e.setQueryString(searchFieldName + ":" + String.valueOf(new Random().nextInt(100000)));
      return e;
    }
docs: (non-Javadoc)
  
  @see com.sematext.ag.source.FiniteEventSource#createNextEvent()