private List<Resource> reloadResources(
         Collection<? extends Resource> resources) {
     List<Resource> result = new ArrayList<Resource>();
     for (Resource each: resources) {
         result.add(resourceDAO.findExistingEntity(each.getId()));
     }
     return result;
 }
 @Override
 @Transactional(readOnly = true)
 public List<Resource> getAll() {
     return resourceDAO.findAll();
 }