private void HandleInitialPriceEvent(object sender,
UpdateEventArgs e)
{
var tick = (StockTick)e.NewEvents[0].Get("tick");
var limit = _limit;
_initialPriceListener = null;
var limitPct = limit.LimitPct;
var upperLimit = tick.Price * (1.0 + limitPct / 100.0);
var lowerLimit = tick.Price * (1.0 - limitPct / 100.0);
if (Log.IsDebugEnabled)
{
Log.Debug(
".update Received initial tick, stock=" +
tick.StockSymbol +
" Price=" +
tick.Price +
" limit.LimitPct=" +
limitPct +
" lowerLimit=" +
lowerLimit +
" upperLimit=" +
upperLimit);
}
var listener =
new StockTickerAlertListener(
_runtime,
limit,
tick,
_stockTickerResultListener);
var expressionText = "every tick=StockTick" +
"(StockSymbol='" +
limit.StockSymbol +
"', Price < " +
lowerLimit +
")";
_lowPriceListener = _runtime.DeployStatement(expressionText);
_lowPriceListener.Events += listener.Update;
expressionText = "every tick=StockTick" +
"(StockSymbol='" +
limit.StockSymbol +
"', Price > " +
upperLimit +
")";
_highPriceListener = _runtime.DeployStatement(expressionText);
_highPriceListener.Events += listener.Update;
}
private void HandleInitialPriceEvent(Object sender, UpdateEventArgs e)
{
var tick = (StockTick)e.NewEvents[0].Get("tick");
PriceLimit limit = _limit;
_initialPriceListener = null;
double limitPct = limit.LimitPct;
double upperLimit = tick.Price * (1.0 + (limitPct / 100.0));
double lowerLimit = tick.Price * (1.0 - (limitPct / 100.0));
if (Log.IsDebugEnabled)
{
Log.Debug(".update Received initial tick, stock=" + tick.StockSymbol +
" price=" + tick.Price +
" limit.LimitPct=" + limitPct +
" lowerLimit=" + lowerLimit +
" upperLimit=" + upperLimit);
}
var listener =
new StockTickerAlertListener(_epService,
limit,
tick,
_stockTickerResultListener);
String expressionText = "every tick=StockTick" +
"(StockSymbol='" + limit.StockSymbol +
"', Price < " + lowerLimit + ")";
_lowPriceListener = _epService.EPAdministrator.CreatePattern(expressionText);
_lowPriceListener.Events += listener.Update;
expressionText = "every tick=StockTick" +
"(StockSymbol='" + limit.StockSymbol + "', Price > " +
upperLimit + ")";
_highPriceListener = _epService.EPAdministrator.CreatePattern(expressionText);
_highPriceListener.Events += listener.Update;
}
