public object Execute(object system) { PurchaseOrder purchaseOrder = null; PetStore ps = (PetStore) system; long id = ps.nextPurchaseOrderId(); if (!PurchaseOrder.checkCreate(id, ps.getAccount(accountLogin), this.shippingInfo, this.billingInfo, this.items, PrevalenceEngine.Now)) { throw new ArgumentException ("Invalid purchase order parameters."); } purchaseOrder = new PurchaseOrder(id, ps.getAccount(accountLogin), shippingInfo, billingInfo, items, PrevalenceEngine.Now); ps.addPurchaseOrder(purchaseOrder); return purchaseOrder; }
public void addPurchaseOrder(PurchaseOrder order) { if (getPurchaseOrder(order.id) != null) throw new ArgumentException("The Purchase Order ID is in use."); purchaseOrders.Add(order.id, order); }