예제 도메인 모델
Last updated
Was this helpful?
Last updated
Was this helpful?
Was this helpful?
@Entity
@Getter
@Setter
@NoArgsConstructor(access = AccessLevel.PROTECTED)
@ToString(of = {"id", "username", "age"})
public class Member {
@Id
@GeneratedValue
@Column(name = "member_id")
private Long id;
private String username;
private int age;
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "team_id")
private Team team;
public Member(String username) {
this(username, 0);
}
public Member(String username, int age) {
this(username, age, null);
}
public Member(String username, int age, Team team) {
this.username = username;
this.age = age;
if (team != null) {
changeTeam(team);
}
}
// 연관 관계 편의 메서드
public void changeTeam(Team team) {
this.team = team;
team.getMembers().add(this);
}
}@Entity
@Getter
@Setter
@NoArgsConstructor(access = AccessLevel.PROTECTED)
@ToString(of = {"id", "name"})
public class Team {
@Id
@GeneratedValue
@Column(name = "team_id")
private Long id;
private String name;
@OneToMany(mappedBy = "team")
private List<Member> members = new ArrayList<>();
public Team(String name) {
this.name = name;
}
}