我有一个实体,它看起来像:
@Audited
@Data
@MappedSuperclass
@EntityListeners(AuditingEntityListener.class)
public abstract class BaseEntity {
public static final long UNSAVED = 0;
@Id
@GeneratedValue
private long id;
@CreatedDate
@Column(name = "created_at", updatable = false)
private ZonedDateTime createdAt;
@CreatedBy
@OneToOne(fetch = FetchType.EAGER)
@JoinColumn(name = "created_by")
private User createdBy;
@LastModifiedDate
private ZonedDateTime updatedAt;
@OneToOne(fetch = FetchType.EAGER)
@JoinColumn(name = "updated_by")
@LastModifiedBy
private User updatedBy;
}
我想要 @LastModifiedBy 和 @CreatedBy 以便他们设置相应的用户。但是,当我尝试保存实体时,出现异常:
java.lang.ClassCastException: Cannot cast java.lang.Long to com.intranet.users.Users
所以在我看来,它试图设置的不是实际的用户,而是 id。有没有办法让 spring 在实体上设置实际的用户,而不仅仅是它的 id?
谢谢
最佳答案
the documentation 似乎很直接地回答了这个问题: