public static TMachineState ChangeState <TMachineState>(this IMachineStateOwner owner, params object[] args)
where TMachineState : IMachineState
{
TMachineState newState = CreateNewState <TMachineState>(owner, args);
owner.ChangeState(newState);
return(newState);
}
public IExchangeResult Exchange()
{
var returnedMoney = MoneyCollection.Create(_currency);
bool success = TryExchange(returnedMoney);
if (success)
{
_cashRepository.RemoveMoney(returnedMoney);
}
_owner.ChangeState <FreshMachineState>(_cashRepository, _currency);
return(new ExchangeResult
{
Success = success,
Money = returnedMoney
});
}
public void InsertNote(int nominal)
{
_owner.ChangeState <NotesInsertionState>(_cashRepository, _currency)
.InsertNote(nominal);
}