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Java ObservableList.toArray方法代码示例

本文整理汇总了Java中javafx.collections.ObservableList.toArray方法的典型用法代码示例。如果您正苦于以下问题:Java ObservableList.toArray方法的具体用法?Java ObservableList.toArray怎么用?Java ObservableList.toArray使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在javafx.collections.ObservableList的用法示例。


在下文中一共展示了ObservableList.toArray方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: doCalculation

import javafx.collections.ObservableList; //导入方法依赖的package包/类
/**
 * Do OBV Calculation when input is a ObservableList
 * @param orgData 
 */
public void doCalculation(ObservableList<OHLC> orgData){
    //Convert list to array
    Object[] rawData;
    rawData = (Object[])orgData.toArray();
    calculateObv(rawData);
}
 
开发者ID:ztan5,项目名称:TechnicalAnalysisTool,代码行数:11,代码来源:OnBalanceVolume.java

示例2: doCalculation

import javafx.collections.ObservableList; //导入方法依赖的package包/类
/**
 * Most important method to calculate moving average data and store it in 
 * smaData set
 * @param orgData original data used to calculate smaData
 */   
public void doCalculation(ObservableList<OHLC> orgData){
    //Everytime is a new calculation
    smaPrice.clear();
    smaVolume.clear();
    
    int avgOn = avgOnProperty.getValue();
    CalculationBase calBase = calBaseProperty.getValue();
    //If source data is empty or less or equals to avgOn do nothing
    if (orgData.isEmpty() || orgData.size() < avgOn){
        return;
    }
    
    //Convert set to array
    Object[] rawData;
    rawData = (Object[])orgData.toArray();
    //Start calculation
    for (int i = 0; i<=rawData.length - avgOn; i++){
        float totalPrice = 0f;
        double totalVolume = 0l;
        OHLC ohlc = null;
        
        for(int j = i; j < i + avgOn; j++){                    
            ohlc = (OHLC)rawData[j];
            switch(calBase){
                case OPEN:
                    totalPrice += ohlc.getOpen();
                    break;
                case HIGH:
                    totalPrice += ohlc.getHigh();
                    break;
                case LOW:
                    totalPrice += ohlc.getLow();
                    break;
                case CLOSE:
                    totalPrice += ohlc.getClose();
                    break;
                case MIDDIUM:
                    totalPrice += ((float)(ohlc.getHigh() + ohlc.getLow()) /(float)2);
                    break;
                case TYPICAL:
                    totalPrice += (((float)(ohlc.getHigh() + ohlc.getLow() + ohlc.getClose()))/ (float)3);
                    break;
                case WEIGHTED:
                    totalPrice += (((float)(ohlc.getHigh() + ohlc.getLow() + ohlc.getClose() + ohlc.getClose()))/ (float)4);
                    break;
                case VOLUME:
                    totalVolume += ohlc.getVolume();
                    break;
            }
        }
        
        float avgPrice = totalPrice / avgOn;
        double avgVolume = totalVolume / avgOn;
        if (ohlc != null){
            if (calBase == CalculationBase.VOLUME){
                //Volume is using Million as the units
                //And it is keep 4 digits floating point
                avgVolume/=1000000;
                avgVolume *= 10000;
                avgVolume = (float)Math.round(avgVolume);
                avgVolume /= 10000;
                smaVolume.put(ohlc.getDate(), avgVolume); 
            } else {
                //round to 4 digits floating points
                avgPrice *= 10000;
                avgPrice = Math.round(avgPrice);
                avgPrice /= 10000;
                smaPrice.put(ohlc.getDate(), avgPrice);
            }
        }
    }     
}
 
开发者ID:ztan5,项目名称:TechnicalAnalysisTool,代码行数:78,代码来源:SimpleMovingAverage.java


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