@Override
protected String buildLine(
int calculatorIndex,
Map<EventKey, EventValue> edata,
QuotationUnit qU,
List<SortedMap<Date, double[]>> linearsExpects) {
Date calculatorDate = qU.getDate();
EventValue bearishEventValue =
edata.get(new StandardEventKey(calculatorDate, getEventDefinition(), EventType.BEARISH));
EventValue bullishEventValue =
edata.get(new StandardEventKey(calculatorDate, getEventDefinition(), EventType.BULLISH));
BigDecimal calculatorClose = qU.getClose();
int chaikinIndex = getIndicatorIndexFromQuotationIndex(this.chaikinOscillator, calculatorIndex);
String line =
new SimpleDateFormat("yyyy-MM-dd").format(calculatorDate)
+ ","
+ calculatorClose
+ ","
+ this.chaikinOscillator.getChaikinOsc()[chaikinIndex];
if (bearishEventValue != null) {
line = line + "," + calculatorClose + ",0,";
} else if (bullishEventValue != null) {
line = line + ",0," + calculatorClose + ",";
} else {
line = line + ",0,0,";
}
line = addScoringLinesElement(line, calculatorDate, linearsExpects) + "\n";
return line;
}
@Override
protected String getLine(Integer indicator, QuotationUnit qU) {
String line =
new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(qU.getDate())
+ ","
+ qU.getClose()
+ ","
+ slowK[indicator]
+ ","
+ slowD[indicator]
+ "\n";
return line;
}
@Override
protected FormulatRes eventFormulaCalculation(QuotationUnit qU, Integer quotationIdx)
throws InvalidAlgorithmParameterException {
FormulatRes res = new FormulatRes(getEventDefinition());
res.setCurrentDate(qU.getDate());
int chaikinIdx = getIndicatorIndexFromQuotationIndex(this.chaikinOscillator, quotationIdx);
double[] chaikinLookBackP =
Arrays.copyOfRange(
this.chaikinOscillator.getChaikinOsc(), chaikinIdx - getDaysSpan(), chaikinIdx);
double[] quotationLookBackP =
Arrays.copyOfRange(
quotationsCopy.getCloseValues(), quotationIdx - getDaysSpan(), quotationIdx);
int smaIndex = getIndicatorIndexFromQuotationIndex(this.sma, quotationIdx);
double[] quotationLookBackPThresh =
Arrays.copyOfRange(this.sma.getSma(), smaIndex - getDaysSpan(), smaIndex);
double[] chaikinThreshCurve = new double[chaikinLookBackP.length];
{
Boolean isPriceDown = lowerLow(quotationLookBackP, quotationLookBackPThresh);
Boolean isChaikinUp = higherLow(chaikinLookBackP, chaikinThreshCurve);
res.setBullishCrossOver(isPriceDown && isChaikinUp);
if (res.getBullishCrossOver()) return res;
}
{
Boolean isPriceUp = higherHigh(quotationLookBackP, quotationLookBackPThresh);
Boolean isChaikinDown = lowerHigh(chaikinLookBackP, chaikinThreshCurve);
res.setBearishCrossBellow(isPriceUp && isChaikinDown);
return res;
}
}