JTableに行フィルタで表示の切り替え

class TestModel extends DefaultTableModel {
  public static final String NUMBER = "番号";
  public static final String MASTER = "名前";
  public static final String COMMENT = "コメント";
  private final Vector list = new Vector();

  public TestModel() {
    super(new String[] {NUMBER, MASTER, COMMENT}, 0);
  }

  public void addRow(Test tst) {
    list.add(tst);
    Integer num = new Integer(list.size());
    Object[] obj = {num, tst.getName(), tst.getComment()};
    addRow(obj);
  }

  public void filterRows(boolean flg) {
    // Vector v = new Vector(list.size());
    dataVector.clear();
    for (int i = 0; i < list.size(); i++) {
      if (flg && i % 2 == 0) continue;
      Test t = (Test) list.elementAt(i);
      Object[] o = {Integer.valueOf(i + 1), t.getName(), t.getComment()};
      // v.add(convertToVector(o));
      dataVector.add(convertToVector(o));
    }
    // setDataVector(v, columnIdentifiers);
    fireTableDataChanged();
  }
}