Кто может посмотреть проект на правельность?

 package com.honchar.springmvc.model;
 
import java.util.Date;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import javax.persistence.UniqueConstraint;
import javax.validation.constraints.NotNull;
 
 
@Entity
@Table(name="GUESTS", catalog = "springmvc", uniqueConstraints = {
        @UniqueConstraint(columnNames = "Surname"),
        @UniqueConstraint(columnNames = "Name")})
public class Guests{
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    @Column(name = "GUEST_ID")
    private long id;
    
    @Column(name = "SURNAME")
    private String surname;
    
    @Column(name = "NAME")
    private String name;
    
    /*@Column(name = "TYPE_ROOM")
    private String type_rooms;*/
    
    @Column(name = "NUMBER_ROOM")
    private int number_room;
    
    @Column(name = "ADDITIONA_SERVICES")
    private String additionalServices;
    
    @Column(name = "SPENDING_TYPES")
    private String spendingTypes;
    
    @Column(name = "NUMBER_PHONE")
    private int number_phone;
    
    @Temporal(TemporalType.DATE)
    @Column(name = "DATE" )
    private Date date;
    
    @ManyToOne(optional = false)
    @JoinColumn(name ="TYPE_ROOMS")
    private types_of_rooms type_rooms;
    
    public Guests() {
        
    }
    
    public Guests(String surname, String name, int number_room, 
            String additionalServices, String spendingTypes, int number_phone, Date date) {
        this.surname = surname;
        this.name = name;
        this.number_room = number_room;
        this.additionalServices = additionalServices; 
        this.spendingTypes = spendingTypes;
        this.number_phone = number_phone;
        this.date = date;
    }
    
    public long getId() {
        return id;
    }
    public void setId(long id) {
        this.id = id;
    }
    
    public String getSurname() {
        return surname;
    }
    public void setSurname(String surname) {
        this.surname = surname;
    }
    
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name =  name;
    }
    
    public int getNumber_room() {
        return number_room;
    }
    public void setNumber_room(int number_room) {
        this.number_room = number_room;
    }
    
    public String getAdditionalServices() {
        return additionalServices;
    }
    public void setAdditionalServices(String additionalServices) {
        this.additionalServices = additionalServices;
    }
        
    public String getSpendingTypes() {
        return spendingTypes;
    }
    public void setSpendingType(String spendingTypes) {
        this.spendingTypes =  spendingTypes;
    }
    
    public Date getDate() {
        return date;
    }
    public void setDate(Date date) {
        this.date =  date;
    }
    
    public types_of_rooms getType_rooms() {
        return type_rooms;
    }
    public void setType_rooms(types_of_rooms type_rooms) {
        this.type_rooms = type_rooms;
    }
    
    @Override
    public String toString(){
        return "Guests [id=" + id +", surname=" + surname + ", name=" + name + 
                ", number_room=" + number_room + ",additionalServices=" + additionalServices + 
                ", spendingTypes=" + spendingTypes+ ", date=" + date + "]";
    }
    
}

package com.honchar.springmvc.model;
 
import java.util.List;
import javax.persistence.*;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.validation.constraints.NotNull;
 
 
@Entity
@Table(name = "TYPES_OF_ROOMS",catalog = "springmvc")
public class types_of_rooms {
    
    @Id
    @GeneratedValue (strategy = GenerationType.AUTO)
    @Column(name = "ROOMS_ID")
    private long id;
    
    @Column(name = "TYPE_ROOMS")
    private String type_rooms;
 
    @OneToMany(mappedBy = "types_of_rooms", cascade = CascadeType.ALL)
    private List<Guests> guests;
 
    public types_of_rooms() {
        
    }
    
    public types_of_rooms(String type_rooms) {
        this.type_rooms = type_rooms;
    }
    
    public long getId() {
        return id;
    }
    
    public void setID (long id) {
        this.id =  id;
    }
    
    public String getType_rooms() {
        return type_rooms;
    }
    
    public void setType_rooms(String type_rooms) {
        this.type_rooms = type_rooms;
    }
 
    public List<Guests> getGuests(){
        return guests;
    }
    public void setGuests(List<Guests> guests) {
           this.guests = guests;
        }
    
    @Override
    public String toString() {
        return "types_of_rooms [id=" + id + ", type_rooms = " + type_rooms +"]";
    }
}