@Table(name = "T_Record")
public class Record{

   @EmbeddedId
   private RecordPrimaryKey id;

   @ManyToOne(targetEntity = Operation.class)
   @JoinColumn(name = "operationID")
   private Operation operation;

   @ManyToOne(targetEntity = Patient.class)
   @JoinColumn(name = "patientID")
   private Patient patient;

   @ManyToOne(targetEntity = Doctor.class)
   @JoinTable(
            name = "Doctor_Record",
            joinColumns = { @JoinColumn(name = "RecordPrimaryKey")},
            inverseJoinColumns = {@JoinColumn(name="doctorId",referencedColumnName="id")}
          )
   private Doctor doctor;

@Entity
@Table(name = "T_Doctor")
public class Doctor extends User {

   @Column(name = "specialisation")
   private String specialisation;

   @Column(name = "category")
   private String category;

   @Column(name = "work", length = 128)
   private String work;

   @Column(name = "card_number", length = 16)
   private Long cardNumber;

   @Column(name = "bank_name")
   private String bankName;

   @OneToMany(targetEntity = Record.class)
   private List<Record> records;

@OneToMany(mappedBy = "doctor")
private List<Record> records;