public void ProcessPriceChanges(IEnumerable <PriceChange> priceChanges)
{
PositionChangeProcessor changeProcessor = new PositionChangeProcessor(this._dataTable);
lock (this)
{
foreach (PriceChange priceChange in priceChanges)
{
int index = this._positions.BinarySearchByValue(priceChange.Ticker, pos => pos.Ticker);
if (index < 0)
{
continue;
}
Position position = this._positions[index];
position.PropertyChanged += changeProcessor.PropertyChangedEventHandler;
PortfolioData.CalculatePosition(position, priceChange.Price);
position.PropertyChanged -= changeProcessor.PropertyChangedEventHandler;
}
if (changeProcessor.RowChanges.Count == 0)
{
return;
}
this._dataTable.AcceptChanges();
}
this.OnDataChanged(changeProcessor.RowChanges);
}
private static void ProcessTrade(Position position, int quantity, decimal price)
{
if (quantity == 0)
{
return;
}
position.Quantity += quantity;
decimal tradeValue = quantity * price;
if (tradeValue < 0)
{
position.Cash -= tradeValue;
}
else
{
position.CostBasis += tradeValue;
}
PortfolioData.CalculatePosition(position, price);
}
