HiLo generator strategy not working

Question

I am new to hibernate. What I am trying to do is use @CollectionIdto generate an identifier for my Address class. I have used Collection interface for

Answer 1

This is what works for apps on PostgreSQL. Though I have not tested it, it should work for all DBs. Note that increment-gen is used not sequence.

@ElementCollection
    @JoinTable( name = "user_address", joinColumns = @JoinColumn( name = "user_id"))
    @GenericGenerator(name="increment-gen",strategy="increment")
    @CollectionId( columns = { @Column( name ="address_id") }, generator ="increment-gen", type =@Type( type ="long"))
    private Collection
 listOfAddresses = new ArrayList
();