Hibernate one to many insert
11,668
did you try putting a cascade option on the OneToMany side?
Author by
Mitja Rogl
Updated on June 28, 2022Comments
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Mitja Rogl almost 2 years
As you can see I have two tables(Offer,Items) I have a problem with inserting Items,every time I add Offer it does not insert List of Items. Offer holds a list of items. Here is my code:
OFFER:
@Entity public class Offer{ @Id @GeneratedValue int id; private String name; private String description; @OneToMany(mappedBy="offer") private List<Item> items; //getters and setters
ITEMS:
@Entity public class Item{ @Id @GeneratedValue int idItem; private String name; private double price; @ManyToOne(cascade=CascadeType.ALL) @JoinColumn(name="idOffer") private Offer offer; // getters and setters
AND HERE IS CODE FOR FILLING TABLES:
Offer offer=GenerateData.generateOffer(); List<Item> items=new ArrayList<>(); for(int i=0;i<3;i++){ Item item=GenerateData.generateItem(); items.add(item); item.setOffer(offer); } offer.setItems(items); pDB.addOffer(offer);//DAO for adding Offers into DB
Offer is successfully added, but Items are not. Is it problem with mapping?