//this method sets the initial state of your inventory
public static InventoryState SetState(Product item, int amountOnHand, bool allowBackOrder, DateTime dateAvailable)
{
InventoryState result = null;
if (item.IsOnPreOrder()) {
result=new OnPreOrder(item);
} else if (item.IsUnavailable()) {
result = new Unavailable(item);
} else if (item.IsOnBackOrder()) {
result = new OnBackOrder(item);
} else {
result = new InStock(item);
}
return result;
}
//this method sets the initial state of your inventory
public static InventoryState SetState(Product item, int amountOnHand, bool allowBackOrder, DateTime dateAvailable)
{
InventoryState result = null;
if (item.IsOnPreOrder())
{
result = new OnPreOrder(item);
}
else if (item.IsUnavailable())
{
result = new Unavailable(item);
}
else if (item.IsOnBackOrder())
{
result = new OnBackOrder(item);
}
else
{
result = new InStock(item);
}
return(result);
}