How to use existing Oracle sequence to generate id in hibernate?

Question

I have legacy Oracle db with a sequence named PRODUCT_ID_SEQ.

Here is the mapping of Product class for which I need generate correct ids:<

Answer 1

I use following on PostgreSQL and works just fine.

 @Id
 @GeneratedValue(generator = "my_gen")
 @SequenceGenerator(name = "my_gen", sequenceName = "my_seq_in_db")
 private int userId;