//---------------------------------------------------------------------
// Add a new transaction to the list
// params: (in)
//---------------------------------------------------------------------
public void AddTransaction(Transaction inData)
{
TransactionNode newTransaction = new TransactionNode();
newTransaction.Data = inData;
newTransaction.next = head;
head = newTransaction;
transactionCount += 1;
}
//---------------------------------------------------------------------
// Returns the most recent transaction
// params: none
//---------------------------------------------------------------------
public Transaction getLastTransaction()
{
TransactionNode transPtr = head;
if (head == null)
{
return(null);
}
else
{
while (transPtr.next != null)
{
transPtr = transPtr.next;
}
return(transPtr.Data);
}
}
//---------------------------------------------------------------------
// Retrieves the transaction from the transaction history at
// specified index
// params: (in)
//---------------------------------------------------------------------
public Transaction getTransaction(int index)
{
TransactionNode transPtr = head;
if (index == 0)
{
return(head.Data);
}
else
{
for (int i = 0; i < index; i++)
{
transPtr = transPtr.next;
}
return(transPtr.Data);
}
}
//---------------------------------------------------------------------
// Clears transaction history
// params: none
//---------------------------------------------------------------------
public void clear()
{
this.transactionCount = 0;
this.head = null;
}