JOIN

List<Map<String,Object>> list = userOrganPkDao.getModelById(model.getId());
if(list.size() > 0) {
   vo.setOrgIds(Joiner.on(",").join(list.stream().map(e->e.get("id").toString()).collect(Collectors.toList())));
   vo.setOrgNames(Joiner.on(",").join(list.stream().map(e->e.get("name").toString()).collect(Collectors.toList())));
} else {
   vo.setOrgIds("");
   vo.setOrgNames("");
}