public void run() {
String csvFile = "orders.txt";
BufferedReader br = null;
String line = "";
String csvSplitBy = ",";
buys = new TickerList();
sells = new TickerList();
matches = new ArrayList<Match>();
try {
br = new BufferedReader(new FileReader(csvFile));
while ((line = br.readLine()) != null) {
String[] stockData = line.split(csvSplitBy);
StockOrder stock =
new StockOrder(
stockData[0],
Integer.parseInt(stockData[1]),
stockData[2],
stockData[3],
Integer.parseInt(stockData[4]),
Double.parseDouble(stockData[5]));
process(stock);
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (br != null) {
try {
br.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
public void process(StockOrder s) {
String ticker = s.getTicker();
double price = s.getPrice();
if (s.getSide()) // indicates a buy
{
if (sells.size() == 0
|| sells.search(ticker) == null
|| sells.search(ticker).size() == 0) // nothing in sells
{
buys.addBuy(s);
} else {
if (s.getOrder_Type() == 0) // Order
{
int location = sells.search(ticker).findSell(price);
if (location != -1) // tells us if match
{
while (location != -1) {
matches.add(new Match(s, sells.search(ticker), location));
if (s.getQuantity() > 0) location = sells.search(ticker).findSell(price);
else location = -1;
}
if (s.getQuantity() > 0) buys.addBuy(s);
} else {
buys.addBuy(s);
}
} else if (s.getOrder_Type() == 1) // cancel
{
buys.search(ticker).cancel(s);
} else // Replace
{
StockOrder temp = buys.search(ticker).replace(s);
if (temp != null) {
temp.setOrder_Type("ORDER");
process(temp);
}
}
}
} else // indicates a sell
{
if (buys.size() == 0
|| buys.search(ticker) == null
|| buys.search(ticker).size() == 0) // nothing in sells
{
sells.add(s);
} else {
if (s.getOrder_Type() == 0) // order
{
int location = buys.search(ticker).findBuy(price);
if (location != -1) // there is a match
{
while (location != -1) {
matches.add(new Match(buys.search(ticker), location, s));
if (s.getQuantity() > 0) location = buys.search(ticker).findBuy(price);
else location = -1;
}
if (s.getQuantity() > 0) sells.add(s);
} else {
sells.add(s);
}
} else if (s.getOrder_Type() == 1) // cancel
{
sells.search(ticker).cancel(s);
} else // replace
{
StockOrder temp = sells.search(ticker).replace(s);
if (temp != null) {
temp.setOrder_Type("ORDER");
process(temp);
}
}
}
}
}
