Best entity relationship approach

Im storing transactions in my application that consist of a sender and a receiver, this is my entity class for it:

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;
    private User sender;
    private User receiver;
    private Item item;
    private LocalDateTime createdAt;

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;
    private User sender;
    private User receiver;
    private Item item;
    private LocalDateTime createdAt;

what would be the best approach for the relationship here? create a oneToMany relationship with both sender and receiver? Or just store the IDs for sender and receiver instead of the User object?

JC|HCL

Java Community | Help. Code. Learn.•14mo ago•

10 replies

Victor

Best entity relationship approach

Im storing transactions in my application that consist of a sender and a receiver, this is my entity class for it:

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;
    private User sender;
    private User receiver;
    private Item item;
    private LocalDateTime createdAt;

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;
    private User sender;
    private User receiver;
    private Item item;
    private LocalDateTime createdAt;

what would be the best approach for the relationship here? create a oneToMany relationship with both sender and receiver? Or just store the IDs for sender and receiver instead of the User object?

Best entity relationship approach

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