private List<OrderEntry> getEntries() {
    final int count = getRowCount();
    final List<OrderEntry> entries = new ArrayList<>(count);
    for (int row = 0; row < count; row++) {
      final OrderEntry entry = getItem(row).getEntry();
      if (entry != null) {
        entries.add(entry);
      }
    }
    return entries;
  }
private List<OrderEntry> getEntries()