@Override
protected void execChangedValue() throws ProcessingException {
  ILookupRow<Long> lookupRow = getCurrentLookupRow();
  PersonTableRowData additionalTableRowData = (PersonTableRowData) lookupRow.getAdditionalTableRowData();
  System.err.println(lookupRow.getText());
  System.err.println(lookupRow.getTooltipText());
  System.err.println(additionalTableRowData.getCity());
  System.err.println(additionalTableRowData.getBirthdate());
}

/* (non-Javadoc)
   * @see org.eclipse.scout.rt.server.services.lookup.AbstractSqlLookupService#execLoadLookupRows(java.lang.String, java.lang.String, org.eclipse.scout.rt.shared.services.lookup.ILookupCall)
   */
  @Override
  protected List<ILookupRow<Long>> execLoadLookupRows(String originalSql, String preprocessedSql, ILookupCall<Long> call) throws ProcessingException {
    Object[][] data = SQL.selectLimited(preprocessedSql, 1000, call);
    if (getConfiguredSortColumn() >= 0) {
      sortData(data, getConfiguredSortColumn());
    }
    try {
      Class<?> genericsParameterClass = Object.class;
      try {
        genericsParameterClass = TypeCastUtility.getGenericsParameterClass(getClass(), ILookupService.class);
      }
      catch (IllegalArgumentException e) {
        System.err.println("Unable to calculate type parameters for lookup service '" + getClass().getName() + "'. No key type validation will be performed.");
      }
      List<ILookupRow<Long>> rows = createLookupRowArray(data, call, genericsParameterClass);
      int i = 0;
      for (ILookupRow<Long> row : rows) {
        CustomerCompleteTableRowData bean = new CustomerCompleteTableRowData();
        bean.setFirstname((String) data[i][1]);
        bean.setLastname((String) data[i][2]);
        bean.setCity((String) data[i][5]);
        bean.setStreet((String) data[i][3]);
        bean.setZip((String) data[i][4]);
        row.setAdditionalTableRowData(bean);
        i++;
      }
      return rows;
    }
    catch (IllegalArgumentException e) {
      throw new ProcessingException("Unable to load lookup rows for lookup service '" + getClass().getName() + "'.", e);
    }
  }