package com.xeiam.xchange.virtex.v2.service.polling;
import java.io.IOException;
import java.util.Collections;
import java.util.List;
import com.xeiam.xchange.ExchangeSpecification;
import com.xeiam.xchange.currency.CurrencyPair;
import com.xeiam.xchange.dto.marketdata.OrderBook;
import com.xeiam.xchange.dto.marketdata.Ticker;
import com.xeiam.xchange.dto.marketdata.Trades;
import com.xeiam.xchange.dto.trade.LimitOrder;
import com.xeiam.xchange.service.polling.PollingMarketDataService;
import com.xeiam.xchange.virtex.v2.VirtExAdapters;
import com.xeiam.xchange.virtex.v2.dto.marketdata.VirtExDepth;
import com.xeiam.xchange.virtex.v2.dto.marketdata.VirtExTrade;
/**
* <p>
* Implementation of the market data service for VirtEx
* </p>
* <ul>
* <li>Provides access to various market data values</li>
* </ul>
*/
public class VirtExMarketDataService extends VirtExMarketDataServiceRaw implements PollingMarketDataService {
/**
* Constructor
*
* @param exchangeSpecification The {@link ExchangeSpecification}
*/
public VirtExMarketDataService(ExchangeSpecification exchangeSpecification) {
super(exchangeSpecification);
}
@Override
public Ticker getTicker(CurrencyPair currencyPair, Object... args) throws IOException {
// Adapt to XChange DTOs
return VirtExAdapters.adaptTicker(getVirtExTicker(currencyPair), currencyPair);
}
@Override
public OrderBook getOrderBook(CurrencyPair currencyPair, Object... args) throws IOException {
// Request data
VirtExDepth virtExDepth = getVirtExOrderBook(currencyPair);
// Adapt to XChange DTOs
List<LimitOrder> asks = VirtExAdapters.adaptOrders(virtExDepth.getAsks(), currencyPair, "ask", "");
Collections.reverse(asks);
List<LimitOrder> bids = VirtExAdapters.adaptOrders(virtExDepth.getBids(), currencyPair, "bid", "");
return new OrderBook(null, asks, bids);
}
@Override
public Trades getTrades(CurrencyPair currencyPair, Object... args) throws IOException {
// Request data
List<VirtExTrade> virtExTrades = getVirtExTrades(currencyPair);
// Adapt to XChange DTOs
return VirtExAdapters.adaptTrades(virtExTrades, currencyPair);
}
}