User.java

User.java

@Id
@GeneratedValue(strategy = GenerationType.IDENTITY, generator = "system-uuid")
@GenericGenerator(name = "system-uuid", strategy = "guid")
@Column(name = "id", unique = true, nullable = false)
private String id;

@Column(name = "first_name")
@NotNull
@Size(max=50)
private String firstName;

@Column(name = "last_name")
@NotNull
@Size(max=50)
private String lastName;

@Column(name = "username")
@NotNull
@Size(max=50)
private String username;

@JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd'T'HH:mm:ss.SSSXXX")
@Column(name = "created_on")
private Date createdOn = new Date();