public boolean processL2EntryUpdate()

in orderbook-core/src/main/java/com/epam/deltix/orderbook/core/impl/L2SingleExchangeQuoteProcessor.java [115:149]

30 lines of code
7 McCabe index (conditional complexity)


    public boolean processL2EntryUpdate(final PackageHeaderInfo pck, final L2EntryUpdateInfo msg) {
        final QuoteSide side = msg.getSide();
        final int level = msg.getLevel();
        @Alphanumeric final long exchangeId = msg.getExchangeId();
        final BookUpdateAction action = msg.getAction();

        final Option<MutableExchange<Quote, L2Processor<Quote>>> exchange = getExchanges().getById(exchangeId);
        if (!exchange.hasValue()) {
            // TODO move to another palace
            return false;
        }

        if (exchange.get().getProcessor().isWaitingForSnapshot()) {
            return false;
        }

        final L2MarketSide<Quote> marketSide = exchange.get().getProcessor().getMarketSide(side);
        if (marketSide.isInvalidUpdate(action, level, msg.getPrice(), msg.getSize(), exchangeId)) {
            if (validationOptions.isQuoteUpdate()) {
                clear();
                eventHandler.onBroken();
                return false;
            }
            return true; // skip invalid update
        }

        if (action == BookUpdateAction.DELETE) {
            final Quote remove = marketSide.remove(level);
            pool.release(remove);
        } else if (action == BookUpdateAction.UPDATE) {
            final Quote quote = marketSide.getQuote(level);
            quote.copyFrom(pck, msg);
        }
        return true;
    }