public VendingMachine(int numberOfItems)
{
this.NumberOfItems = numberOfItems;
this.SoldOutState = new SoldOutState(this);
this.NoMoneyState = new NoMoneyState(this);
this.HasMoneyState = new HasMoneyState(this);
this.SoldState = new SoldState(this);
if (numberOfItems > 0)
{
this.CurrentState = this.NoMoneyState;
}
}
public void DispenseProduct()
{
vendingMachineState.DispenseProduct();
// Product has been dispensed so vending Machine changed the
// internal state to 'NoMoneyState'
if (vendingMachineState is HasMoneyState)
{
vendingMachineState = new NoMoneyState();
Console.WriteLine("VendingMachine internal state has been moved to : "
+ vendingMachineState.GetType().Name);
}
}
public void SelectProductAndInsertMoney(int amount, string productName)
{
vendingMachineState.SelectProductAndInsertMoney(amount, productName);
// Money has been inserted so vending Machine internal state
// changed to 'hasMoneyState'
if (vendingMachineState is NoMoneyState)
{
vendingMachineState = new HasMoneyState();
Console.WriteLine("VendingMachine internal state has been moved to : "
+ vendingMachineState.GetType().Name);
}
}
/// <summary>
/// Vending machine that dispenses cans
/// </summary>
public SimpleVendingMachine()
{
State = new ItemSelectedState(this);
}
public void SetState(IVendingMachineState state)
{
CurrentState = state;
}
//Initially the vending machine has NoMoneyState
public VendingMachine()
{
vendingMachineState = new NoMoneyState();
}
