code: public boolean isStorageFilled()
     {
        if (nodeTypeStorageRoot == null)
        {
           LOG.warn(" Storage not initialized");
           return false;
        }
        try
        {
           List<NodeData> storageContent = dataManager.getChildNodesData(nodeTypeStorageRoot);
           return storageContent.size() > 0;
        }
        catch (RepositoryException e)
        {
           LOG.error(e.getLocalizedMessage(), e);
  
        }
        return false;
     }
docs: {@inheritDoc}