private void connectNewClients() {
while (_numActiveClients == 0 && _newClients.size() == 0) {
try {
Thread.sleep(100);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
for (String client : _newClients) {
// StockExchangeBroker keyB = _brokers.firstKey();
// StockExchangeBroker broker=_brokers.get(keyB);;
StockExchangeBroker broker = _brokers.pollFirst();
;
if (broker.getNumOfClients() == N) {
_stockExchangeStompClient.send("/topic/Connected", "connectFailed " + client + "\n");
_numActiveClients++;
} else {
if (broker.getNumOfClients() == 0) _numActiveCBrokers++;
broker.addClient(client);
_stockExchangeStompClient.send(
"/topic/cConnected", "connected " + client + " " + broker.getName() + "\n");
_stockExchangeStompClient.subscribe("/topic/cDeals-" + client, this);
_numActiveClients++;
}
_brokers.add(broker);
}
_newClients.clear();
}
public void startNewDay() {
_numOfClosedBrockers = 0;
_day++;
_stockExchangeStompClient.send("/topic/Calendar", "newDay " + _day + "\n");
connectNewBrokers();
connectNewClients();
publishPrices();
}
public StockExchange(String server, int port, String login, String pass)
throws FileNotFoundException, IOException, LoginException {
_stockExchangeStompClient = new Client(server, port, login, pass);
_companies = initCompanies();
_brokers = new TreeSet<StockExchangeBroker>(new BrokerCompare());
_cash = 0;
_numOfClosedBrockers = 0;
_day = -1;
_numActiveClients = 0;
_numActiveCBrokers = 0;
_newBrokers = new Vector<String>();
_newClients = new Vector<String>();
// _clients= new HashMap<String,StockExchangeBroker>();
_stockExchangeStompClient.subscribe("/topic/bConnect", this);
_stockExchangeStompClient.subscribe("/topic/cConnect", this);
_stockExchangeStompClient.subscribe("/topic/Orders", this);
_stockExchangeStompClient.subscribe("/topic/cDisconnect", this);
}
private void disconnectClient(String client) {
for (Company company : _companies.values()) {
StockOrder order = company.getBuyOrders().get(client);
while (order != null) { // remove buy orders
company.getBuyOrders().remove(client);
order = company.getBuyOrders().get(client);
}
order = company.getSellOrders().get(client);
while (order != null) { // sell buy orders
company.getSellOrders().remove(client);
order = company.getSellOrders().get(client);
}
}
_numActiveClients--;
for (StockExchangeBroker broker : _brokers) broker.removeClient(client);
// //_brokers.get(_clients.get(client)).decClientNum(); TODO:
// _clients.remove(client);
_stockExchangeStompClient.unsubscribe("/topic/cDeals-" + client, this);
_stockExchangeStompClient.send("/topic/cDisconnected", "disconnected " + client + "\n");
}
private void computeDeals() {
for (Company company : _companies.values()) {
while ((company._buyOrders.size() > 0) && (company._sellOrders.size() > 0)) {
StockOrder buy = company._buyOrders.get(company._buyOrders.firstKey());
StockOrder sell = company._sellOrders.get(company._sellOrders.firstKey());
if (sell.getPrice() > buy.getPrice()) break;
double price = Math.min(buy.getPrice(), sell.getPrice());
int amount = Math.min(buy.getAmount(), sell.getAmount());
String mes =
"deal "
+ buy.getClientName()
+ " "
+ buy.getBrokerName()
+ " "
+ sell.getClientName()
+ " "
+ sell.getBrokerName()
+ " "
+ buy.getStockName()
+ " "
+ amount
+ " "
+ price
+ "\n";
if (sell.getClientName().equals("StockExchange")) {
_cash += price;
_stockExchangeStompClient.send("/topic/bDeals-" + buy.getBrokerName(), mes);
company._buyOrders.remove(buy.getClientName());
company._sellOrders.remove(sell.getClientName());
company.addDefaultOrder();
} else {
_stockExchangeStompClient.send("/topic/bDeals-" + buy.getBrokerName(), mes);
_stockExchangeStompClient.send("/topic/bDeals-" + sell.getBrokerName(), mes);
company._buyOrders.remove(buy.getClientName());
company._sellOrders.remove(sell.getClientName());
}
}
}
}
private void connectNewBrokers() {
while (_numActiveCBrokers == 0 && _newBrokers.size() == 0) {
try {
Thread.sleep(100);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
for (String broker : _newBrokers) {
_brokers.add(new StockExchangeBroker(broker));
_stockExchangeStompClient.send("/topic/bConnected", "connected " + broker + "\n");
}
_newBrokers.clear();
}
private void publishPrices() {
String mesg = "Prices " + _day + ":\n";
for (Company company : _companies.values())
mesg += company.getName() + " " + company.getPrice() + "\n";
_stockExchangeStompClient.send("/topic/Prices", mesg);
}
