/// <summary>
/// Execute query
/// </summary>
/// <param name="exchange">Security exchange</param>
public static List <Spark.Event> Execute(string exchange)
{
//Connect to Spark API if required
ApiControl.Instance.Connect();
//Get exchange reference
Spark.Exchange exchangeRef;
List <Spark.Event> result = null;
if (ApiFunctions.GetSparkExchange(exchange, out exchangeRef))
{
//Wait to allow Spark API to prepare for large download (it will only return a small number of events without this)
System.Threading.Thread.Sleep(1000);
//Request stock events
result = new List <Spark.Event>();
Spark.Event sparkEvent = new Spark.Event();
//Execute query using current day request method
if (Spark.GetAllExchangeEvents(ref exchangeRef, ref sparkEvent))
{
while (Spark.GetNextExchangeEvent(ref exchangeRef, ref sparkEvent, 1000))
{
result.Add(sparkEvent);
}
}
Spark.ReleaseCurrentEvents();
}
return(result);
}
/// <summary>
/// Initiate data feed
/// </summary>
public override void Execute()
{
//Connect to Spark API if required
ApiControl.Instance.Connect();
//Get instance to exchange
Spark.Exchange exchangeRef;
if (ApiFunctions.GetSparkExchange(Exchange, out exchangeRef))
{
//Request all events for current day
Spark.Event sparkEvent = new Spark.Event();
if (Spark.GetAllExchangeEvents(ref exchangeRef, ref sparkEvent))
{
while (Spark.GetNextExchangeEvent(ref exchangeRef, ref sparkEvent, -1)) //Specifying -1 timeout will keep it waiting until end of day
{
RaiseEvent(new EventFeedArgs(sparkEvent, Spark.TimeToDateTime(sparkEvent.Time)));
}
}
//Release memory at end of day
Spark.ReleaseCurrentEvents();
}
}
