package indicator import ( "time" "github.com/c9s/bbgo/pkg/datatype/floats" "github.com/c9s/bbgo/pkg/types" ) //go:generate callbackgen -type PivotHigh type PivotHigh struct { types.SeriesBase types.IntervalWindow Highs floats.Slice Values floats.Slice EndTime time.Time updateCallbacks []func(value float64) } func (inc *PivotHigh) Length() int { return inc.Values.Length() } func (inc *PivotHigh) Last() float64 { if len(inc.Values) == 0 { return 0.0 } return inc.Values.Last() } func (inc *PivotHigh) Update(value float64) { if len(inc.Highs) == 0 { inc.SeriesBase.Series = inc } inc.Highs.Push(value) if len(inc.Highs) < inc.Window { return } low, ok := calculatePivotHigh(inc.Highs, inc.Window, inc.RightWindow) if !ok { return } if low > 0.0 { inc.Values.Push(low) } } func (inc *PivotHigh) PushK(k types.KLine) { if k.EndTime.Before(inc.EndTime) { return } inc.Update(k.Low.Float64()) inc.EndTime = k.EndTime.Time() inc.EmitUpdate(inc.Last()) }