public void GetHistory(IDataFeed dataFeed, Selection p, HistoryAnswerHandler callback)
{
if (p.From == DateTime.MinValue && p.BarCount < 1) //use bar count (and end date if specified)
{
callback(p, new List <Bar>());
return;
}
var cached = GetFromtCache(p);
if (cached.Count > 0 && p.IsEnoughData(cached))
{
cached = p.TrimBars(cached);
callback(p, cached);
return;
}
_dataCacheManager.GetHistory(p, dataFeed, (@params, data) =>
{
Add2Cache(p, data);
cached = p.TrimBars(data);
callback(p, cached);
});
}
