public StockScannerAgent(List <string> stockList, NetworkDataReader reader, SqlDataReader sqlReader)
{
StockList = stockList;
_reader = reader;
_sqlReader = sqlReader;
_source = new CancellationTokenSource();
var token = _source.Token;
Scanner = new Task(() =>
{
int i = 0;
while (i < _initialSleep)
{
i++;
System.Threading.Thread.Sleep(1000);
Console.WriteLine("Currently sleep, give resource to other threads, " + i + " seconds left");
}
Console.WriteLine("The current List contains " + stockList.Count + " stocks");
i = 0;
while (true)
{
if (stockList.Count <= 0)
{
break;
}
if (token.IsCancellationRequested)
{
token.ThrowIfCancellationRequested();
}
int status = 1; //sqlReader.IsStockAnalysedRecently(stockList[i]);
switch (status)
{
case 0: // database has no record, need to insert
{
StockSummary tmp = _reader.FetchStockTrendSummaryObject(stockList[i]);
GeneralTools.AnalyseStockTrend(ref tmp);
GeneralTools.AnalyseStockTrendLine(ref tmp);
_sqlReader.UpdateStockAnalysis(tmp, 0);
Console.WriteLine("Stock " + stockList[i] + " inserted!");
break;
}
case 1: // database needs to update
{
StockSummary tmp = _reader.FetchStockTrendSummaryObject(stockList[i]);
GeneralTools.AnalyseStockTrend(ref tmp);
GeneralTools.AnalyseStockTrendLine(ref tmp);
_sqlReader.UpdateStockAnalysis(tmp, 1);
Console.WriteLine("Stock " + stockList[i] + " updated!");
break;
}
case 2:
{
Console.WriteLine("Stock " + stockList[i] + " up to date!");
break;
}
default:
break;
}
Console.WriteLine("current scanned stock: " + stockList[i]);
i++;
if (i == stockList.Count)
{
i = 0;
}
System.Threading.Thread.Sleep(_scanInterval * 1000);
}
}, _source.Token);
Start();
}
