35 lines
998 B
Go
35 lines
998 B
Go
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package indicator
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import "git.qtrade.icu/lychiyu/qbtrade/pkg/types"
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type KLineWindowUpdater interface {
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OnKLineWindowUpdate(func(interval types.Interval, window types.KLineWindow))
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}
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type KLineClosedBinder interface {
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BindK(target KLineClosedEmitter, symbol string, interval types.Interval)
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}
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// KLineClosedEmitter is currently applied to the market data stream
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// the market data stream emits the KLine closed event to the listeners.
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type KLineClosedEmitter interface {
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OnKLineClosed(func(k types.KLine))
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}
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// KLinePusher provides an interface for API user to push kline value to the indicator.
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// The indicator implements its own way to calculate the value from the given kline object.
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type KLinePusher interface {
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PushK(k types.KLine)
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}
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// Simple is the simple indicator that only returns one float64 value
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type Simple interface {
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KLinePusher
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Last(int) float64
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OnUpdate(f func(value float64))
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}
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type KLineCalculateUpdater interface {
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CalculateAndUpdate(allKLines []types.KLine)
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}
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