code: private void updateFile() {
  
          @SuppressWarnings("unchecked")
          List<Logger> logger = (List<Logger>)m_container.getItemIds();
  
          for (Logger item : logger) {
              m_container.getItem(item).getItemProperty(TableColumn.File).setValue(getLogFiles(item));
          }
          resetPageBuffer();
          refreshRenderedCells();
          refreshRowCache();
      }
docs: Updates table after change of file.<p>