/** * find trade in history using the orderId * * @param orderId * @return */ protected Trade findTradeInHistory(long orderId) { Trade trade = null; ListIterator<Trade> list = ((LinkedList<Trade>) _recentTrades).listIterator(_recentTrades.size()); while (list.hasPrevious()) { trade = (Trade) list.previous(); if (trade.getTradeMessage().OrderID == orderId) { break; } } return (trade); }
/** * process trade message * * @param tradeMessage */ public void processTrade(Trade trade) { if (logger.isTraceEnabled()) { logger.trace("processTrade:" + trade); } if (_recentTrades.size() >= MarketInterface._maxRecentTrades) { ((LinkedList<Trade>) _recentTrades).removeFirst(); } ((LinkedList<Trade>) _recentTrades).addLast(trade); if (MDFUtil.canProcessTrade(trade)) { if (_statistics == null) { _statistics = new MarketStatistics(); } if (!trade.isAdjusted()) { _statistics.setLastTradeQuantity(trade.getTradeMessage().Quantity); _statistics.setLastTradePrice(trade.getTradeMessage().Price); _statistics.setLastTradeDateTime(trade.getTradeMessage().DateTime); } else { ListIterator<Trade> list = ((LinkedList<Trade>) _recentTrades).listIterator(_recentTrades.size()); Trade lastTradeEligibleForLastDeal = null; while (list.hasPrevious()) { lastTradeEligibleForLastDeal = (Trade) list.previous(); if (!lastTradeEligibleForLastDeal.isCancelled() && (lastTradeEligibleForLastDeal.getInvestigationStatus() == null || lastTradeEligibleForLastDeal.getInvestigationStatus().getStatus() != InvestigationStatus.STATUS_UNDER_INVESTIGATION)) { break; } } int qty = trade.getTradeMessage().Quantity; long price = trade.getTradeMessage().Price; long dateTime = trade.getTradeMessage().DateTime; if (lastTradeEligibleForLastDeal != null && lastTradeEligibleForLastDeal.getTradeMessage().DateTime > trade.getTradeMessage().DateTime) { qty = lastTradeEligibleForLastDeal.getTradeMessage().Quantity; price = lastTradeEligibleForLastDeal.getTradeMessage().Price; dateTime = lastTradeEligibleForLastDeal.getTradeMessage().DateTime; } _statistics.setLastTradeQuantity(qty); _statistics.setLastTradePrice(price); _statistics.setLastTradeDateTime(dateTime); } // ((LinkedList<Trade>)_recentTrades).addLast(trade); } _orderUpdated.compareAndSet(false, true); _tradeHistoryUpdated.compareAndSet(false, true); return; }
/** * Process cancel trade * * @param orderId */ public void processCancelTrade(long orderId) { if (logger.isTraceEnabled()) { logger.trace("processCancelTrade:" + orderId); } Trade trade = findTradeInHistory(orderId); if (trade == null) { if (logger.isTraceEnabled()) { logger.trace("Trade not found while trying to cancel:" + orderId); } return; } trade.setCancelled(true); /** Update the statistics with the last good trade */ if (logger.isTraceEnabled()) { logger.trace("processCancelTrade: Updating the statistics"); } ListIterator<Trade> list = ((LinkedList<Trade>) _recentTrades).listIterator(_recentTrades.size()); Trade lastGoodTrade = null; while (list.hasPrevious()) { lastGoodTrade = (Trade) list.previous(); if (lastGoodTrade.isCancelled()) { lastGoodTrade = null; continue; } if (MDFUtil.canProcessTrade(lastGoodTrade)) { break; } else { // set lastGoodTrade to null, otherwise it might be pointing to the previous trade that is // not eligible for being "last trade" lastGoodTrade = null; } } if (lastGoodTrade != null) { if (_statistics == null) { _statistics = new MarketStatistics(); } _statistics.setLastTradeQuantity(lastGoodTrade.getTradeMessage().Quantity); _statistics.setLastTradePrice(lastGoodTrade.getTradeMessage().Price); _statistics.setLastTradeDateTime(lastGoodTrade.getTradeMessage().DateTime); } else { if (_statistics != null) { _statistics.setLastTradeQuantity(0); _statistics.setLastTradePrice(0); _statistics.setLastTradeDateTime(0L); } } _orderUpdated.compareAndSet(false, true); _tradeHistoryUpdated.compareAndSet(false, true); return; }