@Override
    @Transactional
    public Author getAuthorById(int id) {
        Session session = sessionFactory.getCurrentSession();
        Author author = session.get(Author.class, id);
        logger.info("Class load: " + author);
        return author;
    }

Query query = session.createQuery("from Author where name = :name");
query.setParameter("name", "Howard Phillips Lovecraft");
Author author = query.getSingleResult();

CriteriaBuilder builder = session.getCriteriaBuilder();
CriteriaQuery<Author> criteria = builder.createQuery(Author.class);
Root<Author> root = criteria.from(Author.class);
criteria.select(root);
ParameterExpression<String> nameParam = builder.parameter(String.class);
criteria.where(builder.eq(root.get("name"), nameParam));
Query query = session.createQuery(criteria);
Author author = query.getSingleResult();

Session session = sessionFactory.getCurrentSession();
String queryString = "from Author where " + name + "= :value";
Query queryObject = session.createQuery(queryString);
queryObject.setParameter("value", value);
List<Author> list = queryObject.list();