/// <summary>
/// removes banknotes from the ATM
/// called only after a successfull withdraw operation
/// </summary>
/// <param name="banknotes">BanknoteContainer containing BanknoteCount objects with the number of
/// banknotes to remove from the ATM</param>
private void RemoveBanknotes(BanknoteContainer banknotes)
{
for (int i = 0; i < banknotes.Count; i++)
{
Banknote banknote = banknotes.GetBanknote(i);
int banknoteIndex = Banknotes.BanknoteIndex(banknote);
Banknotes.InsertBanknote(banknoteIndex,
(Banknotes.GetBanknote(banknoteIndex) as BanknoteCount) - (banknote as BanknoteCount));
}
}
/// <summary>
/// gets the index in the container of a given banknote
/// </summary>
/// <param name="banknote">Banknote to check for</param>
/// <returns>the index of the given Banknote, -1 if the banknote was not found in the container</returns>
public int BanknoteIndex(Banknote banknote)
{
for (int i = 0; i < Count; i++)
{
if (Banknotes[i] == banknote)
{
return(i);
}
}
return(-1);
}
/// <summary>
/// inserts a banknote at a given index
/// </summary>
/// <param name="index">index to insert banknote to</param>
/// <param name="banknote">Banknote to insert</param>
public void InsertBanknote(int index, Banknote banknote)
{
Banknotes[index] = banknote;
}
/// <summary>
/// adds a banknote to the end of the container
/// </summary>
/// <param name="banknote">Banknote to add</param>
public void AddBanknote(Banknote banknote)
{
Banknotes[Count++] = banknote;
}