docs: public Location save(Location o) {
  		final String update = "update Location set name = ?, address = ?";
  		if (o.getId() != null) {
  			// this is an update
  			getSimpleJdbcTemplate().update(update, o.getName(), o.getAddress());
  		}
  		else {
  			// this is an insert
  			Map<String, Object> args = new HashMap<String, Object>(2);
  			args.put("name", o.getName());
  			args.put("address", o.getAddress());
  			Number id = insertLocation.executeAndReturnKey(args);
  			o.setId(id.longValue());
  		}
  		return o;
  	}