public virtual int _GetUniqueIdentifier()
        {
            var hashCode = 399326290;

            hashCode = hashCode * -1521134295 + (Id?.GetHashCode() ?? 0);
            hashCode = hashCode * -1521134295 + (CoverageDays?.GetHashCode() ?? 0);
            hashCode = hashCode * -1521134295 + (SupplierCanDeliver.GetHashCode());
            hashCode = hashCode * -1521134295 + (SupplierQuantity?.GetHashCode() ?? 0);
            hashCode = hashCode * -1521134295 + (SupplierComments?.GetHashCode() ?? 0);
            return(hashCode);
        }
        public virtual int _GetUniqueIdentifier()
        {
            var hashCode = 399326290;

            hashCode = hashCode * -1521134295 + (Id?.GetHashCode() ?? 0);
            hashCode = hashCode * -1521134295 + (ReplenishmentCycle?.GetHashCode() ?? 0);
            hashCode = hashCode * -1521134295 + (AutomatedForecast?.GetHashCode() ?? 0);
            hashCode = hashCode * -1521134295 + (Quantity?.GetHashCode() ?? 0);
            hashCode = hashCode * -1521134295 + (RoundQuantity?.GetHashCode() ?? 0);
            hashCode = hashCode * -1521134295 + (OrderInventoryDays?.GetHashCode() ?? 0);
            hashCode = hashCode * -1521134295 + (RecommendedOrderDate?.GetHashCode() ?? 0);
            hashCode = hashCode * -1521134295 + (SalesForecastDate?.GetHashCode() ?? 0);
            hashCode = hashCode * -1521134295 + (SupplierCanDeliver.GetHashCode());
            hashCode = hashCode * -1521134295 + (SupplierMaxQuantity?.GetHashCode() ?? 0);
            hashCode = hashCode * -1521134295 + (SupplierCoverageDays?.GetHashCode() ?? 0);
            hashCode = hashCode * -1521134295 + (ItemCoverageDays?.GetHashCode() ?? 0);
            hashCode = hashCode * -1521134295 + (InitialStockLevel?.GetHashCode() ?? 0);
            hashCode = hashCode * -1521134295 + (SupplierAvailableQuantity?.GetHashCode() ?? 0);
            hashCode = hashCode * -1521134295 + (SupplierSharesStock.GetHashCode());
            hashCode = hashCode * -1521134295 + (CreatedOn?.GetHashCode() ?? 0);
            hashCode = hashCode * -1521134295 + (Status?.GetHashCode() ?? 0);
            return(hashCode);
        }