CellPainterDecorator painterDecorator = new CellPainterDecorator(
     new TextPainter(), 
     CellEdgeEnum.RIGHT, 
     new TextPainter() {
					
	 @Override
	 protected String convertDataType(ILayerCell cell, IConfigRegistry configRegistry) {
	      Object model = cell.getDataValue();
              if (model instanceof MerenyBod) {
                   // return model specific text
                   ...
	      }
	      return StringUtils.EMPTY;
	 }
     }, 
     true
);