Пример #1
0
        /**
         * Must Call readDerivativeInfo before calling this function
         */
        public void readTickDataDerivative(string rootFolder, int date,
            HashSet<string> seriesFilter = null, HashSet<string> productFilter = null,
            int startTime = 091500, int closeTime = 161500)
        {
            bool readAll = (seriesFilter == null || seriesFilter.Count == 0)
                        && (productFilter == null || productFilter.Count == 0);

            // date 20110627
            string subFolder = String.Format("{0:####-##}", date / 100);

            // construct access list for series and products as (seriesAccessList, productAccessList)
            HashSet<string> seriesAccessList, productAccessList = null;
            if (readAll)
            {
                seriesAccessList = new HashSet<string>(SeriesTable.Keys);
            }
            else
            {
                seriesAccessList = new HashSet<string>();
                productAccessList = new HashSet<string>();

                if (seriesFilter != null)
                {
                    foreach (string seriesKey in seriesFilter)
                        if (SeriesTable.ContainsKey(seriesKey))
                        {
                            seriesAccessList.Add(seriesKey);
                            foreach (string productKey in SeriesTable[seriesKey].productList)
                                productAccessList.Add(productKey);
                        }
                }
                if (productFilter != null)
                {
                    int count = 0;
                    foreach (string productKey in productFilter)
                        if (ProductTable.ContainsKey(productKey) && ProductTable[productKey] is DevProduct)
                        {
                            string seriesKey = (ProductTable[productKey] as DevProduct).series.getKey();
                            seriesAccessList.Add(seriesKey);
                            productAccessList.Add(productKey);
                            count++;
                        }
                    if (count == 0)
                        return; // not match any product in zip
                }
            }

            // unzip and read on the fly
            string parsedPath = rootFolder + this.ParsedDataFolder_DerivativeTick + "\\" + subFolder + "\\";
            string zipFilename = parsedPath + date + "_DevTick.zip";

            // read from parse zip file
            ZipFile zip = new ZipFile(zipFilename);

            foreach (string seriesCode in seriesAccessList)
            {
                string csvName = date + "_TR_" + seriesCode + ".csv";

                if (zip.ContainsEntry(csvName) == false)
                    continue;

                string seriesMain = seriesCode.Substring(0, seriesCode.Length - 2);

                MemoryStream ms = new MemoryStream();
                StreamReader sr = new StreamReader(ms);
                string line = "";

                // read
                zip[csvName].Extract(ms);
                ms.Position = 0;
                while ((line = sr.ReadLine()) != null)
                {
                    string[] val = line.Split(COMMA);
                    string prodKey = seriesMain + val[2];

                    if (productAccessList.Contains(prodKey) == false)
                        continue;

                    int TIME = int.Parse(val[0]);
                    int lineCount = int.Parse(val[1]);
                    float PRICE = float.Parse(val[3]);
                    int QUANTITY = int.Parse(val[4]);
                    short TRADETYPE = short.Parse(val[5]);
                    DevProduct product = ProductTable[prodKey] as DevProduct;

                    TradeEvent tradesEvent = new TradeEvent(product, date, TIME, QUANTITY, PRICE, TRADETYPE);
                    tradesEvent.lineNumber = lineCount;

                    if (!eventSecondList.ContainsKey(TIME))
                        eventSecondList.Add(TIME, new EventInSecond());
                    EventInSecond eis = eventSecondList[TIME];

                    eis.events.Add(tradesEvent);
                }
                ms.SetLength(0);
            }
        }
Пример #2
0
        // if productFilter = null => read all
        public void readDataSecurities(string rootFolder, int date, HashSet<string> productFilter = null, bool withTickData=false)
        {
            string subFolder = String.Format("{0:####-##}", date / 100);
            string path = rootFolder + ParsedDataFolder_Securities + "\\" + subFolder + "\\";
            string BAFileName = path + date + "_SecBA.zip";

            // check if exist in product info.
            bool readAll = (productFilter == null);

            if (productFilter != null)
            {
                bool hasSec = false;
                foreach (string pCode in productFilter)
                    if (ProductTable.ContainsKey(pCode) && ProductTable[pCode] is SecProduct)
                        hasSec = true;
                if (!hasSec)
                    return;
            }

            // read BA
            ZipFile BAzip = ZipFile.Read(BAFileName);
            string[] strArgList = { };
            int[] intArgList = { date };
            HashSet<string>[] filterList = { };
            foreach (ZipEntry entry in BAzip)
            {
                string entryName = entry.FileName;
                string STKCODE = entryName.Substring(entryName.Length - 9, 5);

                if (!readAll &&  !productFilter.Contains(STKCODE))
                    continue;

                // read
                MemoryStream ms = new MemoryStream();
                StreamReader sr = new StreamReader(ms);
                string line = "";

                entry.Extract(ms);
                ms.Position = 0;
                while ((line = sr.ReadLine()) != null)
                {
                    processSecBidAskLine(line, date, ProductTable[STKCODE] as SecProduct);
                }
                ms.SetLength(0);

            }

            // read TR
            if (withTickData)
            {
                string TRFileName = path + date + "_SecTR.zip";
                ZipFile TRzip = ZipFile.Read(TRFileName);
                foreach (ZipEntry entry in TRzip)
                {
                    string entryName = entry.FileName;
                    string STKCODE = entryName.Substring(entryName.Length - 9, 5);
                    SecProduct product = ProductTable[STKCODE] as SecProduct;

                    if (!readAll && !productFilter.Contains(STKCODE))
                        continue;

                    // read
                    MemoryStream ms = new MemoryStream();
                    StreamReader sr = new StreamReader(ms);
                    string line = "";

                    entry.Extract(ms);
                    ms.Position = 0;
                    while ((line = sr.ReadLine()) != null)
                    {
                        string[] val = line.Split(COMMA);

                        int lineCount = int.Parse(val[0]);
                        char TRAD_TYPE = val[1][0];
                        int TIME = int.Parse(val[2]);

                        float PRICE = float.Parse(val[3]);
                        int QUANTITY = int.Parse(val[4]);

                        TradeEvent tradesEvent = new TradeEvent(product, date, TIME, QUANTITY, PRICE, TradeType.getSecTradeTypeWithCharacter(TRAD_TYPE));
                        tradesEvent.lineNumber = lineCount;

                        if (!eventSecondList.ContainsKey(TIME))
                            eventSecondList.Add(TIME, new EventInSecond());
                        EventInSecond eis = eventSecondList[TIME];

                        eis.events.Add(tradesEvent);
                    }
                    ms.SetLength(0);
                }
            }
        }