1. private static void save_to_db() {
2.         EntityManager entityManager = entityManagerFactory.createEntityManager();
3.         entityManager.getTransaction().begin();
4.  
5.         //Some data
6.         Address a1 = new Address();
7.         a1.setStreet("NiceStreet");
8.         a1.setBuildingNumb(11);
9.         a1.setHomeNumb(29);
10.         a1.setCity("Starogard Gdanski");
11.         a1.setCountry("Poland");
12.        
13.         Address a2 = new Address();
14.         a2.setStreet("Street_1");
15.         a2.setBuildingNumb(13);
16.         a2.setHomeNumb(22);
17.         a2.setCity("Gdansk");
18.         a2.setCountry("Poland");
19.         //VeganFoodPlace a_place = new VeganFoodPlace("a_place", "restaurant", a1);
20.         VeganFoodPlace a_place = new VeganFoodPlace("a_place", "restaurant", a1);
21.        
22.         Meal m3 = new Meal("Meal_3", CuisineTypeEnum.EUROPEAN, "snack", 4,0);
23.         Meal m1 = new Meal("Meal_1", CuisineTypeEnum.AFRICAN, "main meal", 1,0);
24.         Meal m2 = new Meal("Meal_2", CuisineTypeEnum.EUROPEAN, "dessert", 2,0);
25.        
26.         entityManager.persist(a1);        
27.         entityManager.persist(a2);
28.         entityManager.persist(m1);        
29.         entityManager.persist(m2);
30.         entityManager.persist(m3);
31.  
32.         entityManager.getTransaction().commit();
33.         entityManager.close();
34.        
35.     }