@Entity
@Table(name="book")
public class Book implements Serializable {
	@Id
	@Column(name="id")
	@GeneratedValue(strategy=GenerationType.IDENTITY)
	private int id;
	
	@Column(name="name")
	private String name;
	
	
	private Author author;

	public int getId() {
		return id;
	}

	public void setId(int id) {
		this.id = id;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	@ManyToOne(cascade=CascadeType.ALL)
	@JoinTable(name="author",joinColumns=@JoinColumn(name="id"),inverseJoinColumns=@JoinColumn(name="author_id"))
	public Author getAuthor() {
		return author;
	}

	public void setAuthor(Author author) {
		this.author = author;
	}

}

@Entity
@Table(name="author")
public class Author {

	@Id
	@Column(name="id")
	@GeneratedValue(strategy=GenerationType.IDENTITY)
	private int id;
	
	@Column(name="name")
	private String name;


	
	public int getId() {
		return id;
	}

	public void setId(int id) {
		this.id = id;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}