@Override public Paper merge(Paper entity) { if (entity.getId() != null) { return repo.save(entity); } return null; }
@Override public Paper persist(Paper entity) { return repo.save(entity); }
@Override public Paper merge(Paper entity) { if (entity.getId() != null) { return repo.save(entity); } return null; }
@Override public Paper persist(Paper entity) { return repo.save(entity); }