internal void OnPriceChange(bool isImage, RunnerChange runnerChange)
{
//snap is invalid
_snap = null;
MarketRunnerPrices newPrices = new MarketRunnerPrices();
newPrices.AvailableToLay = _atlPrices.OnPriceChange(isImage, runnerChange.Atl);
newPrices.AvailableToBack = _atbPrices.OnPriceChange(isImage, runnerChange.Atb);
newPrices.Traded = _trdPrices.OnPriceChange(isImage, runnerChange.Trd);
newPrices.StartingPriceBack = _spbPrices.OnPriceChange(isImage, runnerChange.Spb);
newPrices.StartingPriceLay = _splPrices.OnPriceChange(isImage, runnerChange.Spl);
newPrices.BestAvailableToBack = _batbPrices.OnPriceChange(isImage, runnerChange.Batb);
newPrices.BestAvailableToLay = _batlPrices.OnPriceChange(isImage, runnerChange.Batl);
newPrices.BestDisplayAvailableToBack = _bdatbPrices.OnPriceChange(isImage, runnerChange.Bdatb);
newPrices.BestDisplayAvailableToLay = _bdatlPrices.OnPriceChange(isImage, runnerChange.Bdatl);
newPrices.StartingPriceNear = Utils.SelectPrice(isImage, ref _spn, runnerChange.Spn);
newPrices.StartingPriceFar = Utils.SelectPrice(isImage, ref _spf, runnerChange.Spf);
newPrices.LastTradedPrice = Utils.SelectPrice(isImage, ref _ltp, runnerChange.Ltp);
newPrices.TradedVolume = Utils.SelectPrice(isImage, ref _tv, runnerChange.Tv);
//copy on write
_runnerPrices = newPrices;
}
private void OnPriceChange(bool isImage, RunnerChange runnerChange)
{
MarketRunner marketRunner = GetOrAdd(new RunnerId(runnerChange.Id, runnerChange.Hc));
//update the runner
marketRunner.OnPriceChange(isImage, runnerChange);
}
public void OnRunnerChange(RunnerChange runnerChange, long?lastUpdated)
{
if (runnerChange?.SelectionId != SelectionId)
{
return;
}
LastPublishTime = lastUpdated;
SetLastTradedPrice(runnerChange);
SetTotalMatched(runnerChange);
ProcessBestAvailableToBack(runnerChange.BestAvailableToBack);
ProcessBestAvailableToLay(runnerChange.BestAvailableToLay);
UpdateTradedLadder(runnerChange);
}
private void ProcessRunnerChange(RunnerChange runnerChange)
{
if (runnerChange.SelectionId is null)
{
return;
}
var selectionId = (long)runnerChange.SelectionId;
if (!Runners.ContainsKey(selectionId))
{
Runners.Add(selectionId, new RunnerCache(selectionId));
}
Runners[selectionId]
.OnRunnerChange(runnerChange, LastPublishedTime);
}
public MarketChangeStub WithRunnerChange(RunnerChange runnerChange)
{
RunnerChanges ??= new List <RunnerChange>();
RunnerChanges.Add(runnerChange);
return(this);
}
private void SetLastTradedPrice(RunnerChange runnerChange)
{
LastTradedPrice = runnerChange.LastTradedPrice ?? LastTradedPrice;
}
private void SetTotalMatched(RunnerChange runnerChange)
{
TotalMatched = runnerChange.TotalMatched ?? TotalMatched;
}
private void UpdateTradedLadder(RunnerChange runnerChange)
{
TradedLadder.Update(
runnerChange.Traded, LastPublishTime);
}