@Transactional
    public void deleteAll(List<E> entities, String wrapperName) {
        List<E> entitiesToBeDeleted = new ArrayList<E>();

        for (E entity : entities) {
            E entityToBeDeleted = mainRepo.getOne(entity.getId());
            entitiesToBeDeleted.add(entityToBeDeleted);
        }

        throwMultiBatchError();

        if (entitiesToBeDeleted.size() > 0) {
            mainRepo.deleteAll(entitiesToBeDeleted);
            updateRoot(entitiesToBeDeleted.get(0).root());
        }
    }