public void render(final Object obj, final TableBodyGroup bodyGroup) {
final Message message = (Message)obj;
final TableRow tr = bodyGroup.newTableRow();
tr.addStyleName("rr");
final TableDataCell cb = tr.newTableDataCell();
cb.setHorizontalAlignment(HasAlignment.ALIGN_RIGHT);
cb.setWidth("31px");
cb.add(new CheckBox());
final TableDataCell star = tr.newTableDataCell();