Book.java

package io.bcn.springConference.model;

import jakarta.persistence.*;
import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import org.hibernate.annotations.GenericGenerator;

import java.util.List;
import java.util.UUID;


@Entity
@Table(name = "books")
@Getter
@Setter
@NoArgsConstructor
@AllArgsConstructor
public class Book {

    @Id
    @GeneratedValue(generator = "UUID")
    @GenericGenerator(name = "UUID",
            strategy = "org.hibernate.id.UUIDGenerator")
    @Column(name = "id", updatable = false,
            nullable = false)
    private UUID id;

    @Column(nullable = false)
    private String title;

    @Column(nullable = false)
    private String author;

    @Column(name = "isbn", nullable = false, unique = true)
    private String isbn;

  @OneToMany(mappedBy = "book")
    private List<Conference> conferences;
}