/// <summary>
/// To get a candle by the index.
/// </summary>
/// <typeparam name="TCandle">The candles type.</typeparam>
/// <param name="candleManager">The candles manager.</param>
/// <param name="series">Candles series.</param>
/// <param name="candleIndex">The candle's position number from the end.</param>
/// <returns>The found candle. If the candle does not exist, then <see langword="null" /> will be returned.</returns>
public static TCandle GetCandle <TCandle>(this ICandleManager candleManager, CandleSeries series, int candleIndex)
where TCandle : Candle
{
return((TCandle)candleManager.ThrowIfNull().Container.GetCandle(series, candleIndex));
}
/// <summary>
/// To get a candles series by the specified parameters.
/// </summary>
/// <typeparam name="TCandle">The candles type.</typeparam>
/// <param name="candleManager">The candles manager.</param>
/// <param name="security">The instrument by which trades should be filtered for the candles creation.</param>
/// <param name="arg">Candle arg.</param>
/// <returns>The candles series. <see langword="null" /> if this series is not registered.</returns>
public static CandleSeries GetSeries <TCandle>(this ICandleManager candleManager, Security security, object arg)
where TCandle : Candle
{
return(candleManager.ThrowIfNull().Series.FirstOrDefault(s => s.CandleType == typeof(TCandle) && s.Security == security && s.Arg.Equals(arg)));
}
/// <summary>
/// To get candles by the total number.
/// </summary>
/// <typeparam name="TCandle">The candles type.</typeparam>
/// <param name="candleManager">The candles manager.</param>
/// <param name="series">Candles series.</param>
/// <param name="candleCount">The number of candles that should be returned.</param>
/// <returns>Found candles.</returns>
public static IEnumerable <TCandle> GetCandles <TCandle>(this ICandleManager candleManager, CandleSeries series, int candleCount)
{
return(candleManager.ThrowIfNull().Container.GetCandles(series, candleCount).OfType <TCandle>());
}
/// <summary>
/// To get candles by date range.
/// </summary>
/// <typeparam name="TCandle">The candles type.</typeparam>
/// <param name="candleManager">The candles manager.</param>
/// <param name="series">Candles series.</param>
/// <param name="timeRange">The date range which should include candles. The <see cref="Candle.OpenTime"/> value is taken into consideration.</param>
/// <returns>Found candles.</returns>
public static IEnumerable <TCandle> GetCandles <TCandle>(this ICandleManager candleManager, CandleSeries series, Range <DateTimeOffset> timeRange)
where TCandle : Candle
{
return(candleManager.ThrowIfNull().Container.GetCandles(series, timeRange).OfType <TCandle>());
}
/// <summary>
/// To get all candles.
/// </summary>
/// <typeparam name="TCandle">The candles type.</typeparam>
/// <param name="candleManager">The candles manager.</param>
/// <param name="series">Candles series.</param>
/// <returns>Candles.</returns>
public static IEnumerable <TCandle> GetCandles <TCandle>(this ICandleManager candleManager, CandleSeries series)
where TCandle : Candle
{
return(candleManager.ThrowIfNull().Container.GetCandles(series).OfType <TCandle>());
}
///// <summary>
///// To stop candles getting.
///// </summary>
///// <param name="series">Candles series.</param>
//public static void Stop(this CandleSeries series)
//{
// var manager = series.ThrowIfNull().CandleManager;
// // серию ранее не запускали, значит и останавливать не нужно
// if (manager == null)
// return;
// manager.Stop(series);
//}
//private static ICandleManagerContainer GetContainer(this CandleSeries series)
//{
// return series.ThrowIfNull().CandleManager.Container;
//}
/// <summary>
/// To get the number of candles.
/// </summary>
/// <param name="candleManager">The candles manager.</param>
/// <param name="series">Candles series.</param>
/// <returns>Number of candles.</returns>
public static int GetCandleCount(this ICandleManager candleManager, CandleSeries series)
{
return(candleManager.ThrowIfNull().Container.GetCandleCount(series));
}
/// <summary>
/// To start candles getting.
/// </summary>
/// <param name="manager">The candles manager.</param>
/// <param name="series">Candles series.</param>
public static void Start(this ICandleManager manager, CandleSeries series)
{
manager.ThrowIfNull().Start(series, series.From, series.To);
}
