@Override
 public boolean saveItem(WorkspaceItem<?> item) {
   if (!item.getStatus().canBeSaved()) {
     return true;
   }
   List<IWorkspaceItemRepository> repos = getRepositories(item);
   if (repos == null) {
     return true;
   }
   for (IWorkspaceItemRepository repo : repos) {
     if (repo.save(item)) {
       return true;
     }
   }
   return false;
 }
 @Override
 public boolean deleteItem(WorkspaceItem<?> item) {
   if (!item.getStatus().hasStorage()) {
     return true;
   }
   List<IWorkspaceItemRepository> repos = getRepositories(item);
   if (repos == null) {
     return true;
   }
   for (IWorkspaceItemRepository repo : repos) {
     if (repo.delete(item)) {
       return true;
     }
   }
   return false;
 }
 @Override
 public boolean loadItem(WorkspaceItem<?> item) {
   IWorkspaceItemManager<?> manager = WorkspaceFactory.getInstance().getManager(item.getFamily());
   if (manager == null) {
     return false;
   }
   List<IWorkspaceItemRepository> repos = getRepositories(manager.getItemClass());
   if (repos == null) {
     return false;
   }
   for (IWorkspaceItemRepository repo : repos) {
     if (repo.load(item)) {
       return true;
     }
   }
   return false;
 }