how to get book market data

[weichafe]

I am trying to get the market data but I only get the message "HubConnection - Processing message"

`@Slf4j
public class MarketDataBT {

public MarketDataBT(Properties prop) throws IOException {

    try (BittrexExchange bittrexExchange = new BittrexExchange(prop.getProperty("key.bittrex"), prop.getProperty("clave.bittrex"))) {

        bittrexExchange.onUpdateSummaryState(exchangeSummaryState -> {
            if (exchangeSummaryState.getDeltas().length > 0) {

                Arrays.stream(exchangeSummaryState.getDeltas())
                        .filter(marketSummary -> marketSummary.getMarketName().equals("BTC-BCC") || marketSummary.getMarketName().equals("BTC-ETH"))
                        .forEach(marketSummary -> System.out.println(
                                String.format("24 hour volume for market %s: %s",
                                        marketSummary.getMarketName(),
                                        marketSummary.getVolume().toString())));
            }
        });

        bittrexExchange.onUpdateExchangeState(updateExchangeState -> {
            double volume = Arrays.stream(updateExchangeState.getFills())
                    .mapToDouble(Fill::getQuantity)
                    .sum();

            if(updateExchangeState.getFills().length > 0) {
                System.out.println(String.format("N: %d, %02f volume across %d fill(s) for %s", updateExchangeState.getNounce(),
                        volume, updateExchangeState.getFills().length, updateExchangeState.getMarketName()));
            }
        });

        bittrexExchange.onOrderStateChange(orderDelta -> {
            if(orderDelta.getType() == OrderType.Open || orderDelta.getType() == OrderType.Partial){
                System.out.println(String.format("%s order open with id %s, remaining %.04f", orderDelta.getOrder().getExchange(),
                        orderDelta.getOrder().getOrderUuid(),orderDelta.getOrder().getQuantityRemaining()));
            }else if(orderDelta.getType() == OrderType.Filled ){
                System.out.println(String.format("%s order with id %s filled, qty %.04f", orderDelta.getOrder().getExchange(),
                        orderDelta.getOrder().getOrderUuid(),orderDelta.getOrder().getQuantity()));
            }else if(orderDelta.getType() == OrderType.Cancelled){
                System.out.println(String.format("%s order with id %s cancelled", orderDelta.getOrder().getExchange(),
                        orderDelta.getOrder().getOrderUuid()));
            }
        });

        bittrexExchange.onBalanceStateChange(balanceDelta -> {
            System.out.println(String.format("%s wallet balance updated, available: %s, pending: %s", balanceDelta.getBalance().getCurrency(),
                    balanceDelta.getBalance().getAvailable(),balanceDelta.getBalance().getPending()));
        });

        bittrexExchange.connectToWebSocket(() -> {
            bittrexExchange.subscribeToExchangeDeltas("BTC-ETH", res -> {
                System.out.println("subscribed deltas1 " + res);
            });

            bittrexExchange.subscribeToMarketSummaries(res -> {
                System.out.println("subscribed summaries" + res);
            });
        });
    }
}

}`

print

can you help me please
thank a lot

[stale]

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