EntityManager em = emf.createEntityManager();
PersonOTORedis person = new PersonOTORedis(ROW_KEY);
person.setAge(32);
person.setPersonName("vivek");
AddressOTORedis address = new AddressOTORedis(12.23);
address.setAddress("india");
person.setAddress(address);
em.persist(person);
em.clear();
PersonOTORedis p = em.find(PersonOTORedis.class, ROW_KEY);