자바 ORM 표준 JPA 프로그래밍 실전예제 6 - 값 타입 매핑

 

@Embeddable
public class Address { //값 타입을 따로 빼낸다

    @Column(length = 10)
    private String city;
    @Column(length = 20)
    private String street;
    @Column(length = 5)
    private String zipcode;

    public String fullAddress() {
        return getCity() + " " + getStreet() + " " + getZipcode();
    }

    public String getCity() {
        return city;
    }

    private void setCity(String city) {
        this.city = city;
    }

    public String getStreet() {
        return street;
    }

    private void setStreet(String street) {
        this.street = street;
    }

    public String getZipcode() {
        return zipcode;
    }

    private void setZipcode(String zipcode) {
        this.zipcode = zipcode;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        Address address = (Address) o;
        return Objects.equals(getCity(), address.getCity()) &&
               Objects.equals(getStreet(), address.getStreet()) &&
               Objects.equals(getZipcode(), address.getZipcode());
    }

    @Override
    public int hashCode() {
        return Objects.hash(getCity(), getStreet(), getZipcode());
    }
}

@Entity
public class Member extends BaseEntity{

    @Id @GeneratedValue(strategy = GenerationType.AUTO)
    @Column(name= "MEMBER_ID")
    private Long id;
    private String name;

    @Embedded
    private Address address;

    @OneToMany(mappedBy = "member")                  //양방향 연관관계에서 주인은 외래키를 가지고 있는 Order의 Member이다
    private List<Order> orders = new ArrayList<>(); //양방향 연관관계 설정

@Entity
public class Delivery extends BaseEntity{

    @Id @GeneratedValue
    private Long id;

    @Embedded
    private Address address;

    private DeliveryStatus status;

    @OneToOne(mappedBy = "delivery", fetch = FetchType.LAZY)
    private Order order;