Product.java

package models;

import java.util.*;
import javax.persistence.*;


import play.db.ebean.*;
import play.data.format.Formats.*;
import play.data.format.Formatters.*;
import play.data.validation.Constraints.*;
import play.data.validation.Validation.*;
import play.data.validation.ValidationError.*;
import play.libs.F;

import javax.validation.Valid;

/**
 * @author Wes Lanning
 * @version 2013-08-01
 */
@Entity
@Table(name = "product")
public class Product extends Model
{
    public static Model.Finder<Long, Product> find = new Model.Finder<>(Long.class, Product.class);

    @Valid
    @ManyToOne(cascade = CascadeType.ALL)
    @OrderBy("name")
    @JoinColumn(name = "cat_id")
    public Category category;

    @Valid
    @OneToMany(cascade = CascadeType.ALL, orphanRemoval = true)
    @MapKeyEnumerated(EnumType.ORDINAL)
    @JoinColumn(name = "id")
    public Map<Image.ImageType, Image> images; // EnumMap, key = type of image

    @Valid
    @ManyToOne(cascade = CascadeType.ALL)
    @OrderBy("name")
    @JoinColumn(name = "man_id")
    public Manufacturer manufacturer;

    @Temporal(TemporalType.TIMESTAMP)
    public Date dateAdded;

    @Required(message = "Please enter a product description")
    public String description;

    @Id
    @GeneratedValue
    public Long id;

    @Required(message = "Please enter a product name")
    @Column(unique = true)
    public String name;

    @Required(message = "Please enter a product price.")
    @Min(value = 0, message = "Please enter a non-negative price")
    @Column(scale = 2)
    public Double price;

    @Required(message = "Please enter a product quantity")
    @Min(value = 0, message = "Please enter a product quantity greater than zero")
    public Integer quantity;
}