@Entity(name = "product")
public class Product extends BaseProduct {

    @ElementCollection(targetClass = LocalizedValue.class)
    @CollectionTable(name = "product_description_lv", joinColumns = @JoinColumn(name = "product_id"), indexes = {
                    @Index(name = "idx_" + "product_description_lv", columnList = "product_id") }, foreignKey = @ForeignKey(name = "fk_"
                    + "product_description_lv"))
    @MapKeyColumn(name = "locale")
    private Map<Locale, LocalizedValue> description;

@Embeddable
@Access(AccessType.FIELD)
public class LocalizedValue {

    @Lob
    @Column(length = 50000, name = "val")
    private String value;