public synchronized void updateCurrentMarket() {
Price buyTopPrice = buySide.topOfBookPrice();
if (buyTopPrice == null) buyTopPrice = PriceFactory.makeLimitPrice((long) 0);
Price sellTopPrice = sellSide.topOfBookPrice();
if (sellTopPrice == null) sellTopPrice = PriceFactory.makeLimitPrice((long) 0);
String str =
buyTopPrice.toString()
+ buySide.topOfBookVolume()
+ sellTopPrice.toString()
+ sellSide.topOfBookVolume();
if (!this.lastCurrentMarket.equals(str)) {
MarketDataDTO mktDTO =
new MarketDataDTO(
this.productSymbol,
buyTopPrice,
buySide.topOfBookVolume(),
sellTopPrice,
sellSide.topOfBookVolume());
CurrentMarketPublisher.getInstance().publishCurrentMarket(mktDTO);
lastCurrentMarket = str;
}
}
public synchronized MarketDataDTO getMarketData() {
Price buyPrice = buySide.topOfBookPrice();
Price sellPrice = sellSide.topOfBookPrice();
if (buyPrice == null) buyPrice = PriceFactory.makeLimitPrice((long) 0.00);
if (sellPrice == null) sellPrice = PriceFactory.makeLimitPrice((long) 0.00);
int buyVolume = buySide.topOfBookVolume();
int sellVolume = sellSide.topOfBookVolume();
return new MarketDataDTO(this.productSymbol, buyPrice, buyVolume, sellPrice, sellVolume);
}