@Override
  public int hashCode( Object[] rowData ) throws KettleValueException {
    return Arrays.deepHashCode( rowData );
  }
@Test
  public void testHashCode() {
    rowMeta.clear();
    byte[] byteArray = new byte[] { 49, 50, 51 };
    Object[] objArray = new Object[] { byteArray };
    try {
      assertEquals( 78512, rowMeta.hashCode( objArray ) );
    } catch ( KettleValueException e ) {
      e.printStackTrace();
    }
  }