Example usage for org.apache.commons.lang3.math Fraction getFraction

Introduction

In this page you can find the example usage for org.apache.commons.lang3.math Fraction getFraction.

Prototype

public static Fraction getFraction(int numerator, int denominator) 

Source Link

Document

Creates a Fraction instance with the 2 parts of a fraction Y/Z.

Any negative signs are resolved to be on the numerator.

Usage

From source file:org.libreplan.business.workingday.EffortDuration.java

public Fraction divivedBy(EffortDuration effortAssigned) {
    return Fraction.getFraction(this.seconds, effortAssigned.seconds);
}

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From source file:org.libreplan.web.resourceload.LoadPeriodGenerator.java

private int calculateLoadPercentage(EffortDuration totalEffort, EffortDuration effortAssigned) {
    if (totalEffort.isZero()) {
        return effortAssigned.isZero() ? 0 : Integer.MAX_VALUE;
    }//  w w  w.  j a  v a  2  s.c o m

    if (effortAssigned.isZero()) {
        LOG.warn("total effort is " + totalEffort + " but effortAssigned is zero");
        getEffortAssigned();

        return 0;
    }
    Fraction fraction = effortAssigned.divivedBy(totalEffort);
    Fraction percentage = fraction.multiplyBy(Fraction.getFraction(100, 1));

    return percentage.intValue();
}

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From source file:org.richfaces.tests.metamer.ftest.extension.attributes.coverage.saver.FullReportResultsSaver.java

protected void write(BufferedWriter bw) throws IOException {
    try {/* w w  w. j  a  va 2s  .c  om*/
        int covered = 0, notCovered = 0;
        for (CoverageResult result : getResults()) {
            bw.append(result.getReport());
            bw.newLine();
            bw.flush();
            covered += result.getCovered().size() + result.getIgnored().size();
            notCovered += result.getNotCovered().size();
        }
        Fraction f = Fraction.getFraction(covered, covered + notCovered);
        bw.append("===========================================================");
        bw.newLine();
        bw.append("total coverage: ").append(f.toString()).append(" (")
                .append(String.valueOf((int) (f.doubleValue() * 100))).append("%)");
        bw.newLine();
        bw.flush();
    } finally {
        if (bw != null) {
            bw.close();
        }
    }
}

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From source file:org.zkoss.ganttz.DatesMapperOnInterval.java

public DatesMapperOnInterval(int horizontalSize, Interval interval) {
    this.horizontalSize = horizontalSize;
    this.interval = interval;
    this.millisecondsPerPixel = interval.getLengthBetween().getMillis() / horizontalSize;
    this.pixelsPerDay = Fraction.getFraction(horizontalSize, interval.getDaysBetween().getDays());
}

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From source file:org.zkoss.ganttz.DatesMapperOnInterval.java

@Override
public LocalDate toDate(int pixels) {
    int daysInto = Fraction.getFraction(pixels, 1).divideBy(pixelsPerDay).intValue();
    return getInterval().getStart().plusDays(daysInto);
}

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From source file:org.zkoss.ganttz.DatesMapperOnInterval.java

private int toPixels(Fraction proportion) {
    try {//  ww  w  .  j ava  2 s  .c om
        return proportion.multiplyBy(Fraction.getFraction(horizontalSize, 1)).intValue();
    } catch (ArithmeticException e) {
        double d = Math.log10(horizontalSize);
        int scale = (int) d + 1;

        BigDecimal quotient = new BigDecimal(proportion.getNumerator())
                .divide(new BigDecimal(proportion.getDenominator()), scale, RoundingMode.HALF_UP);

        return quotient.multiply(new BigDecimal(horizontalSize)).intValue();
    }
}

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From source file:org.zkoss.ganttz.TaskList.java

public LocalDate toDate(int pixels, Fraction pixelsPerDay, Interval interval) {
    int daysInto = Fraction.getFraction(pixels, 1).divideBy(pixelsPerDay).intValue();
    return interval.getStart().plusDays(daysInto);
}

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From source file:org.zkoss.ganttz.util.Interval.java

public Fraction getProportion(DateTime date) {
    Days fromStartToDate = Days.daysBetween(startInclusive, date.toLocalDate());
    Fraction result = Fraction.getFraction(fromStartToDate.getDays(), this.daysBetween.getDays());

    try {//from  w  w w.j  a  v a 2 s.  c  o m
        return result.add(inTheDayIncrement(date));
    } catch (ArithmeticException e) {
        return result;
    }
}

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From source file:pcgen.system.PCGenTaskExecutor.java

@Override
public void execute() {
    progressMultiplier = Fraction.getFraction(1, tasks.size());
    while (!tasks.isEmpty()) {
        currentTask = tasks.poll();//from  w  ww  .j  a v a 2  s  .c om
        setValues(currentTask.getMessage(), baseProgress.getNumerator(), baseProgress.getDenominator());
        currentTask.addPCGenTaskListener(this);
        currentTask.execute();
        currentTask.removePCGenTaskListener(this);
        baseProgress = baseProgress.add(progressMultiplier);
    }
}

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From source file:pcgen.system.PCGenTaskExecutor.java

@Override
public void progressChanged(PCGenTaskEvent event) {
    if (currentTask.getMaximum() == 0) {
        return;//from  w  w  w.j  a  v  a2 s .c o m
    }
    Fraction progress = Fraction.getFraction(currentTask.getProgress(), currentTask.getMaximum());
    progress = progress.multiplyBy(progressMultiplier);
    progress = baseProgress.add(progress);
    setValues(currentTask.getMessage(), progress.getNumerator(), progress.getDenominator());
}

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