private static final String KEY_PROJECT_ID = "maven.project.id";
    private static final ThreadLocal<String> PROJECT_ID = new InheritableThreadLocal<>();
    private static final ThreadLocal<String> FORKING_PROJECT_ID = new InheritableThreadLocal<>();

    public static String getProjectId() {
        return PROJECT_ID.get();
    }

    public static void setProjectId(String projectId) {

	AmountOff        uint32           `gorm:"column:amount_off"`
	PercentOff       float32          `gorm:"column:percent_off"`
}

type CouponProduct struct {
	CouponId  int    `gorm:"primarykey;size:255"`
	ProductId string `gorm:"primarykey;size:255"`
	Desc      string
}

type Order struct {
	gorm.Model
	Num      string
	Coupon   *Coupon
	CouponID string
}

type Parent struct {
	gorm.Model