@Entity
@Table(name="Anfrage", schema="dbo", catalog="ReqManager")

public class Anfrage implements java.io.Serializable {


    private int anfrageId;     
    private Beleg beleg;
    private Karte karte;
    private Mandant mandant;
    private Provider provider;
    private Terminals terminals;
    private String anfrageNr;
    private Date anfrageDatum;
    private Date einkaufsDatum;
    private BigDecimal betrag;
    private Date fristablauf;
    private Date insertDate;
    @SuppressWarnings("unchecked")
    private Set<Email> emails = new HashSet(0);
    @SuppressWarnings("unchecked")
    private Set<Anlagen> anlagens = new HashSet(0);
     
     
    public Anfrage() {
    }
    
    
    public Anfrage(Beleg beleg, Karte karte, Mandant mandant, Provider provider, String anfrageNr, Date anfrageDatum, Date einkaufsDatum, BigDecimal betrag, Date fristablauf, Date insertDate, Set<Email> emails, Terminals terminals, Set<Anlagen> anlagens) {
...
    }
    
	
    public Anfrage(int anfrageId, Beleg beleg, Karte karte, Mandant mandant, Provider provider, String anfrageNr, Date einkaufsDatum, BigDecimal betrag, Date insertDate, Terminals terminals) {
...
    }
    
    
    public Anfrage(int anfrageId, Beleg beleg, Karte karte, Mandant mandant, Provider provider, String anfrageNr, Date anfrageDatum, Date einkaufsDatum, BigDecimal betrag, Date fristablauf, Date insertDate, Set<Email> emails, Terminals terminals, Set<Anlagen> anlagens) {
...
    }
    
   
    @Id 
    @Column(name="AnfrageID", unique=true, nullable=false)
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    public int getAnfrageId() {
        return this.anfrageId;
    }
    
    public void setAnfrageId(int anfrageId) {
        this.anfrageId = anfrageId;
    }
    
    @ManyToOne(fetch=FetchType.LAZY, cascade=CascadeType.ALL)
    @JoinColumn(name="BelegID", nullable=false)
    public Beleg getBeleg() {
        return this.beleg;
    }
    
    public void setBeleg(Beleg beleg) {
        this.beleg = beleg;
    } 
    
    @ManyToOne(fetch=FetchType.LAZY, cascade=CascadeType.ALL)
    @JoinColumn(name="KarteID", nullable=false)
    public Karte getKarte() {
        return this.karte;
    }
    
    public void setKarte(Karte karte) {
        this.karte = karte;
    } 
    
    @ManyToOne(fetch=FetchType.LAZY, cascade=CascadeType.ALL)
    @JoinColumn(name="MandantID", nullable=false)
    public Mandant getMandant() {        
        return this.mandant;
    }
    
    public void setMandant(Mandant mandant) {
        System.out.println("MANDANT");
        this.mandant = mandant;
    }    

    @ManyToOne(fetch=FetchType.LAZY, cascade=CascadeType.ALL)
    @JoinColumn(name="ProviderID", nullable=false)
    public Provider getProvider() {
        return this.provider;
    }
    
    public void setProvider(Provider provider) {
        this.provider = provider;
    }
    
    @Column(name="AnfrageNr", nullable=false)
    public String getAnfrageNr() {
        return this.anfrageNr;
    }
    
    public void setAnfrageNr(String anfrageNr) {
        this.anfrageNr = anfrageNr;
    }

    @Temporal(TemporalType.DATE)
    @Column(name="AnfrageDatum", length=10)
    public Date getAnfrageDatum() {
        return this.anfrageDatum;
    }
    
    public void setAnfrageDatum(Date anfrageDatum) {
        this.anfrageDatum = anfrageDatum;
    }

    @Temporal(TemporalType.DATE)
    @Column(name="EinkaufsDatum", nullable=false, length=10)
    //@Type(type = "org.jadira.usertype.dateandtime.joda.PersistentLocalDate")  //TODO!!! Maybee use ONLY joda...
    public Date getEinkaufsDatum() {
        return this.einkaufsDatum;
    }
    
    public void setEinkaufsDatum(Date einkaufsDatum) {
        this.einkaufsDatum = einkaufsDatum;
    }

    
    @Column(name="Betrag", nullable=false, precision=11)
    public BigDecimal getBetrag() {
        return this.betrag;
    }
    
    public void setBetrag(BigDecimal betrag) {
        this.betrag = betrag;
    }

    @Temporal(TemporalType.DATE)
    @Column(name="Fristablauf", length=10)
    public Date getFristablauf() {
        return this.fristablauf;
    }
    
    public void setFristablauf(Date fristablauf) {
        this.fristablauf = fristablauf;
    }

    @Temporal(TemporalType.DATE)
    @Column(name="InsertDate", nullable=false, length=10)
    public Date getInsertDate() {
        return this.insertDate;
    }
    
    public void setInsertDate(Date insertDate) {
        this.insertDate = insertDate;
    }

    @OneToMany(fetch=FetchType.LAZY, mappedBy="anfrage")
    public Set<Email> getEmails() {
        return this.emails;
    }
    
    public void setEmails(Set<Email> emails) {
        this.emails = emails;
    }
    
    @ManyToOne(fetch=FetchType.LAZY, cascade=CascadeType.ALL)
    @JoinColumn(name="TerminalsID", nullable=false)
    public Terminals getTerminals() {
        return this.terminals;
    }
    
    public void setTerminals(Terminals terminals) {
        this.terminals = terminals;
    }    
    
    @OneToMany(fetch=FetchType.LAZY, mappedBy="anfrage")
    public Set<Anlagen> getAnlagens() {
        return this.anlagens;
    }
    
    public void setAnlagens(Set<Anlagen> anlagens) {
        this.anlagens = anlagens;
    }    

    @Override
    public String toString() {
...
    }

    @Override
    public int hashCode() {
        int hash = 7;
        hash = 83 * hash + this.anfrageId;
        hash = 83 * hash + Objects.hashCode(this.beleg);
        hash = 83 * hash + Objects.hashCode(this.karte);
        hash = 83 * hash + Objects.hashCode(this.mandant);
        hash = 83 * hash + Objects.hashCode(this.provider);
        hash = 83 * hash + Objects.hashCode(this.terminals);
        hash = 83 * hash + Objects.hashCode(this.anfrageNr);
        hash = 83 * hash + Objects.hashCode(this.anfrageDatum);
        hash = 83 * hash + Objects.hashCode(this.einkaufsDatum);
        hash = 83 * hash + Objects.hashCode(this.betrag);
        hash = 83 * hash + Objects.hashCode(this.fristablauf);
        hash = 83 * hash + Objects.hashCode(this.insertDate);
        hash = 83 * hash + Objects.hashCode(this.emails);
        return hash;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) { return false; }
        if (getClass() != obj.getClass()) { return false; }
        final Anfrage other = (Anfrage) obj;
        if (this.anfrageId != other.anfrageId) { return false; }
        if (!Objects.equals(this.beleg, other.beleg)) { return false; }
        if (!Objects.equals(this.karte, other.karte)) { return false; }
        if (!Objects.equals(this.mandant, other.mandant)) { return false; }        
        if (!Objects.equals(this.provider, other.provider)) { return false; }
        if (!Objects.equals(this.terminals, other.terminals)) { return false; }
        if (!Objects.equals(this.anfrageNr, other.anfrageNr)) { return false; }
        if (!Objects.equals(this.anfrageDatum, other.anfrageDatum)) { return false; }
        if (!Objects.equals(this.einkaufsDatum, other.einkaufsDatum)) { return false; }
        if (!Objects.equals(this.betrag, other.betrag)) { return false; }
        if (!Objects.equals(this.fristablauf, other.fristablauf)) { return false; }
        if (!Objects.equals(this.insertDate, other.insertDate)) { return false; }
        return Objects.equals(this.emails, other.emails);
    }   
}

@Entity
@Table(name="Mandant", schema="dbo", catalog="ReqManager")

public class Mandant implements java.io.Serializable {


    private int mandantId;
    private String nameMandant;
    private String idmandant;
    @SuppressWarnings("unchecked")
    private Set<Anfrage> anfrages = new HashSet(0);
    private String alias;

    
    public Mandant() {
    }
	
    public Mandant(int mandantId, String nameMandant, String idmandant) {
...
    }
    
    public Mandant(int mandantId, String nameMandant, String idmandant, String alias) {
...
    }
        
    public Mandant(int mandantId, String nameMandant, String idmandant, String alias, Set<Anfrage> anfrages) {
...
    }
   
    @Id    
    @Column(name="MandantID", unique=true, nullable=false)
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    public int getMandantId() {
        return this.mandantId;
    }
    
    public void setMandantId(int mandantId) {
        this.mandantId = mandantId;
    }

    
    @Column(name="NameMandant", nullable=false)
    public String getNameMandant() {
        return this.nameMandant;
    }
    
    public void setNameMandant(String nameMandant) {
        this.nameMandant = nameMandant;
    }

    
    @Column(name="IDMandant", nullable=false)
    public String getIdmandant() {
        return this.idmandant;
    }
    
    public void setIdmandant(String idmandant) {
        this.idmandant = idmandant;
    }
    
    @Column(name="Alias")
    public String getAlias() {
        return this.alias;
    }
    
    public void setAlias(String alias) {
        this.alias = alias;
    }

    @OneToMany(fetch=FetchType.LAZY, mappedBy="mandant")
    public Set<Anfrage> getAnfrages() {
        return this.anfrages;
    }
    
    public void setAnfrages(Set<Anfrage> anfrages) {
        this.anfrages = anfrages;
    }

    @Override
    public String toString() {
        if (this.getNameMandant() == null || this.getNameMandant().equals("NULL")) {
            return "Undefined"; //TODO!!! Resources
        } else {
            return this.getNameMandant();
        }
    }    

    @Override
    public int hashCode() {
        int hash = 5;
        hash = 17 * hash + this.mandantId;
        hash = 17 * hash + Objects.hashCode(this.nameMandant);
        hash = 17 * hash + Objects.hashCode(this.idmandant);
        hash = 17 * hash + Objects.hashCode(this.alias);
        return hash;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) { return false; }
        if (getClass() != obj.getClass()) { return false; }
        final Mandant other = (Mandant) obj;
        if (this.mandantId != other.mandantId) { return false; }
        if (!Objects.equals(this.nameMandant, other.nameMandant)) { return false; }
        if (!Objects.equals(this.idmandant, other.idmandant)) { return false; }
        return Objects.equals(this.alias, other.alias);
    }
}

@Component
@Scope(value = "prototype")
public class ShowSingleController implements Initializable {
        
    //GUI Objects    
    @FXML private AnchorPane showSingle;
        @FXML private HBox mainHBox;
            @FXML private VBox leftVBox;
                @FXML private HBox line1HBox;
                    @FXML private VBox line1VBox2;
                        @FXML private Label anfragedatumLabel;
                        @FXML private DatePickerWithFormatter anfragedatumPicker;      
                    @FXML private VBox line1VBox3;
                        @FXML private Label insertDatumLabel;
                        @FXML private DatePickerWithFormatter insertDatePicker;                                             
                @FXML private HBox line2HBox;
                    @FXML private VBox line2VBox1;
                        @FXML private Label terminalIDLabel;
                        @FXML private NumberTextField terminalIDTextField;
                    @FXML private VBox line2VBox2;
                        @FXML private Label storeLabel;
                        @FXML private TextField storeTextField; 
                    @FXML private VBox line2VBox3;
                        @FXML private Label fristablaufLabel;
                        @FXML private DatePickerWithFormatter fristablaufPicker;  
                @FXML private HBox line3HBox;
                    @FXML private VBox line3VBox1;
                        @FXML private Label kartennummerLabel;
                        @FXML private TextField kartennummerTextField;   
                    @FXML private VBox line3VBox2;
                        @FXML private Label ekDatumLabel;
                        @FXML private DatePickerWithFormatter ekDatumPicker; 
                    @FXML private VBox line3VBox3;    
                        @FXML private Label betragLabel;
                        @FXML private TextField betragTextField;  
                @FXML private HBox line4HBox;
                    @FXML private VBox line4VBox1;
                        @FXML private Label belegFoundLabel;
                        @FXML private DatePickerWithFormatter belegFoundDatePicker; 
                    @FXML private VBox line4VBox2;
                        @FXML private Label belegNoteLabel;
                        @FXML private TextField belegNoteTextField; 
                @FXML private HBox line5HBox;
                    @FXML private VBox line5VBox1;                
                        @FXML private Label mailSendLabel;
                        @FXML private DatePicker mailSendDatePicker;
                    @FXML private VBox line5VBox2;     
                        @FXML private Label mailConfirmLabel;
                        @FXML private TextField mailConfirmTextField;
                    @FXML private VBox line5VBox3; 
                        @FXML private Label mailRemindBuSLabel;
                        @FXML private DatePicker mailRemindBuSDatePicker;
                    @FXML private VBox line5VBox4;
                        @FXML private Label mailRemindTermLabel;
                        @FXML private DatePicker mailRemindTermDatePicker;   
                @FXML private HBox laine6HBox;
                    @FXML private Label providerLabel;
                    @FXML private ChoiceBox<Provider> providerChoiceBox;
                    @FXML private Label mandantLabel;
                    @FXML private ChoiceBox<Mandant> mandantChoiceBox;             
            @FXML private AnchorPane mailsPane;
            @FXML private AnchorPane attachmentsPane;
            @FXML private BorderPane rightBorderPane;
                @FXML private VBox errorsVBox;
                @FXML private HBox okCancelHBox;
                    @FXML private Button saveButton;
                    @FXML private Button cancelButton;
      
   ...
    //Hash of current selected Anfrage object
    private int anfrageHash;
   ...
    
    
    //Beans
    @Autowired private ProviderDAOInterface providerDAOInterface;
    @Autowired private MandantDAOInterface mandantDAOInterface;
    @Autowired private TerminalsDAOInterface terminalsDAOInterface;
    @Autowired private EntitiesUtils entitiesUtils;
    @Autowired private Locale locale;
    @Autowired private AttachmentsLayoutController attachmentsLayoutController;
    @Autowired private MailsLayoutController mailsLayoutController; 
    @Autowired private AnfrageDAOInterface anfrageDAOInterface;    
    @Autowired private AnfrageValidator anfrageValidator;
        
    
    @Override
    public void initialize(URL location, ResourceBundle resources) { 
        
        setCommonResourcesAndValues();                
        
        setActionListners();
        
        setBindingsAndProperties();

        addIncludedGUIObjects();                
    }

    
    /**
     * Show single Anfrage object
     * 
     * @param anfrageObj - Selected (null = new) Anfrage object
     * @param tableData - List of entities, shown in Table (to add new object)
     */
    public void setAnfrageItem(Anfrage anfrageObj, ObservableList<Anfrage> tableData) {       
        ...       
        fillGui(anfrageObj);
    }
    
    
    /**
     * Filled GUI with anfrage element. Sett all to null (empti) if Anfrage is null.
     * @param anfrageObj 
     */
    private void fillGui(Anfrage anfrageObj) {  
        ClearStyles();
        
        if (anfrageObj == null) {
            anfrageObj = new Anfrage(
                    new Beleg(),
                    new Karte(),
                    null,
                    null,
                    null,
                    new java.util.Date(),
                    null,
                    null,
                    null,
                    new java.util.Date(),
                    null,
                    new Terminals(),
                    null
            );
            Platform.runLater(() -> { 
                terminalIDTextField.requestFocus(); 
                providerChoiceBox.getSelectionModel().clearSelection();
                mandantChoiceBox.getSelectionModel().clearSelection();
                setGuiVisible(false);
            });
        } else {
            selectedTerminalID = anfrageObj.getTerminals().getTid().trim();
            setGuiVisible(true);
        }
        this.anfrageObj = anfrageObj;     
        this.anfrageHash = anfrageObj.hashCode();

        //***
        //Тут происходит "заполнение" объектов  полями сущности (в случае "добавить" используется этот же pane так что сущность может быть и null)
        //***
        
        attachmentsLayoutController.addInfoToGUI(anfrageObj);
    }
    
    
    /**
     * Setting action listners for GUI elements
     */
    private void setActionListners() {    
        
        //Cancel action hide this GUI
        cancelButton.setOnAction((ActionEvent e) -> {            
            System.out.println("Equal? " + (anfrageObj.hashCode()==anfrageHash));
        });
        
        //Save action
        saveButton.setOnAction((ActionEvent e) -> { 
            saveAnfrage(); 
        });
                
        //Kartennummer
        kartennummerTextField.textProperty().addListener((observable, oldValue, newValue) -> {
            anfrageObj.getKarte().setKartennummer(newValue);
            entityIsChanged.set(true);  //Это остатки моих потуг с "флагом". В принципе тоже работало, но хэш мне нравится больше.
        });

        //***
        //Далее идут аналогичные листнеры на поля
        //***
    }   
    
    
    @SuppressWarnings("unchecked")
    private boolean saveAnfrage() {
        errorsVBox.getChildren().clear();

        //1. Validate        
        BeanPropertyBindingResult result = new BeanPropertyBindingResult(anfrageObj, "Anfrage");
        ValidationUtils.invokeValidator(anfrageValidator, anfrageObj, result);
        if (result.getErrorCount() == 0) {
            anfrageDAOInterface.updateSingleElement(anfrageObj);  
            ...            
            return true;
        } else {
            List<ObjectError> allObjectErrors = result.getAllErrors();
            transitions.clear();
            for (ObjectError objectError : allObjectErrors){
               //тут "показываются" ошибки валидации  - это все идет в GUI в виде "разворачивающихся" справа от редактируемых полей labels.
            }
            return false;
        }        
    }                
    ...
}