code: public final void reloadAll() {
          final List<String> list = new ArrayList<>();
          for (final RootDocument mongo : repositoryManager
                  .getRootDocumentRepository().findAll()) {
              list.add(mongo.getDbName());
          }
          reset();
          for (final String dbname : list) {
              loadDocument(dbname);
          }
      }
docs: Reload all of the data sets.