import lombok.*; import org.springframework.data.annotation.Immutable; import javax.persistence.*; @Entity @Immutable @Table(name = "acl_class") @AllArgsConstructor @NoArgsConstructor @Getter @EqualsAndHashCode @ToString public final class AclClass { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; @Column(name = "class", nullable = false) private String className; }