@Entity
@Table(name = "user")
public class User extends BaseEntity<String> {

    @Id
    @Column(name = "id", nullable = false, updatable = false)
    private String isid;

    @Column(name = "first_name")
    private String firstName;

    @Column(name = "last_name")
    private String lastName;

    @Size(min = 1, max = 2)
    @ManyToMany
    @JoinTable(name = "user_roles",
            joinColumns = @JoinColumn(name = "id", referencedColumnName = "user_id",
                    nullable = false, insertable = false, updatable = false),
            inverseJoinColumns = {
                    @JoinColumn(name = "id", referencedColumnName = "role_id",
                            nullable = false, insertable = false, updatable = false),
                    @JoinColumn(name = "role_type_id", referencedColumnName = "role_type_id",
                            nullable = false, insertable = false, updatable = false)
            }
    )
    @WhereJoinTable(clause = "role_type_id = 7")
    private List<Role> sevenRoles;