Example usage for org.jfree.data.time SimpleTimePeriod SimpleTimePeriod

Introduction

In this page you can find the example usage for org.jfree.data.time SimpleTimePeriod SimpleTimePeriod.

Prototype

public SimpleTimePeriod(Date start, Date end) 

Source Link

Document

Creates a new time allocation.

Usage

From source file:org.jfree.data.time.TimePeriodValuesTest.java

/**
 * Some tests for the getMaxMiddleIndex() method.
 *//*from   ww  w. j a va  2s.co  m*/
@Test
public void testGetMaxMiddleIndex() {
    TimePeriodValues s = new TimePeriodValues("Test");
    assertEquals(-1, s.getMaxMiddleIndex());
    s.add(new SimpleTimePeriod(100L, 200L), 1.0);
    assertEquals(0, s.getMaxMiddleIndex());
    s.add(new SimpleTimePeriod(300L, 400L), 2.0);
    assertEquals(1, s.getMaxMiddleIndex());
    s.add(new SimpleTimePeriod(0L, 50L), 3.0);
    assertEquals(1, s.getMaxMiddleIndex());
    s.add(new SimpleTimePeriod(150L, 200L), 4.0);
    assertEquals(1, s.getMaxMiddleIndex());
}

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From source file:ch.ksfx.web.services.chart.ObservationChartGenerator.java

public TimePeriodValues getExponentialMovingAverage(TimeSeries asset, Date startDate, Date endDate,
        Integer emaTimeframeSeconds, Integer emaTimeframesBack, Boolean addCurrentPrice) {
    TimePeriodValues movingAverageBand = new TimePeriodValues(
            "EMA" + emaTimeframesBack + "TIMEFRAMES (" + emaTimeframeSeconds + ") " + asset.getName());

    List<Observation> assetPrices = observationDAO.queryObservationsSparse(asset.getId().intValue(), startDate,
            endDate);//from   w w  w  .j ava  2s.c o m

    //Get some earlier prices to calc exponential moving average
    List<Observation> movingAveragePrices = observationDAO.queryObservationsSparse(asset.getId().intValue(),
            (startDate.getTime() == 0l) ? startDate
                    : DateUtils.addSeconds(startDate, (emaTimeframesBack * emaTimeframeSeconds * 2) * -1),
            endDate);

    //logger.info("Calculated date which is needed " + DateUtils.addDays(startDate, emaDaysBack * -1));

    assetPrices = simplifyAssetPrices(assetPrices);

    Integer filterSizer = 0;
    List<Observation> relevantMovingAveragePrices = null;
    Double movingAverage = null;

    for (Observation ap : assetPrices) {

        Date referenceDate = DateUtils.addSeconds(ap.getObservationTime(),
                (emaTimeframesBack * emaTimeframeSeconds) * -1);

        if (movingAveragePrices.get(0).getObservationTime().after(referenceDate)) {
            logger.info("Could not calc EMA earliest available date is "
                    + movingAveragePrices.get(0).getObservationTime());
            continue;
        }

        /*
        for (Integer iI = filterSizer; iI < movingAveragePrices.size(); iI++) {
        if (movingAveragePrices.get(iI + 1).getPricingTime().after(referenceDate)) {
            //We went too far, begin index was the last one
            filterSizer = iI;
            break;
        }
        }
        */

        relevantMovingAveragePrices = movingAveragePrices.subList(filterSizer, movingAveragePrices.indexOf(ap));

        logger.info("Calculating EMA");
        movingAverage = MovingAverageCalculator.calcExponentialMovingAverageObservation(emaTimeframeSeconds,
                emaTimeframesBack, relevantMovingAveragePrices, true, addCurrentPrice, null);

        movingAverageBand.add(new SimpleTimePeriod(ap.getObservationTime(), ap.getObservationTime()),
                movingAverage);
    }

    return movingAverageBand;
}

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From source file:org.jfree.data.time.junit.TimePeriodValuesTest.java

/**
 * Some tests for the getMinStartIndex() method.
 *//*from ww w . j  a v a 2 s.com*/
public void testGetMinStartIndex() {
    TimePeriodValues s = new TimePeriodValues("Test");
    assertEquals(-1, s.getMinStartIndex());
    s.add(new SimpleTimePeriod(100L, 200L), 1.0);
    assertEquals(0, s.getMinStartIndex());
    s.add(new SimpleTimePeriod(300L, 400L), 2.0);
    assertEquals(0, s.getMinStartIndex());
    s.add(new SimpleTimePeriod(0L, 50L), 3.0);
    assertEquals(2, s.getMinStartIndex());
}

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From source file:org.jfree.data.time.TimePeriodValuesTest.java

/**
 * Some tests for the getMinEndIndex() method.
 *///from  w  w  w.  j  av  a 2 s.  co  m
@Test
public void getMinEndIndex() {
    TimePeriodValues s = new TimePeriodValues("Test");
    assertEquals(-1, s.getMinEndIndex());
    s.add(new SimpleTimePeriod(100L, 200L), 1.0);
    assertEquals(0, s.getMinEndIndex());
    s.add(new SimpleTimePeriod(300L, 400L), 2.0);
    assertEquals(0, s.getMinEndIndex());
    s.add(new SimpleTimePeriod(0L, 50L), 3.0);
    assertEquals(2, s.getMinEndIndex());
}

---

From source file:org.jfree.data.time.junit.TimePeriodValuesTest.java

/**
 * Some tests for the getMaxStartIndex() method.
 *//*from   ww w.  j  a v  a  2  s.  c  o m*/
public void testGetMaxStartIndex() {
    TimePeriodValues s = new TimePeriodValues("Test");
    assertEquals(-1, s.getMaxStartIndex());
    s.add(new SimpleTimePeriod(100L, 200L), 1.0);
    assertEquals(0, s.getMaxStartIndex());
    s.add(new SimpleTimePeriod(300L, 400L), 2.0);
    assertEquals(1, s.getMaxStartIndex());
    s.add(new SimpleTimePeriod(0L, 50L), 3.0);
    assertEquals(1, s.getMaxStartIndex());
}

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From source file:org.jfree.data.time.TimePeriodValuesTest.java

/**
 * Some tests for the getMaxEndIndex() method.
 *///from   w w  w  .ja  v a 2s .  co  m
@Test
public void getMaxEndIndex() {
    TimePeriodValues s = new TimePeriodValues("Test");
    assertEquals(-1, s.getMaxEndIndex());
    s.add(new SimpleTimePeriod(100L, 200L), 1.0);
    assertEquals(0, s.getMaxEndIndex());
    s.add(new SimpleTimePeriod(300L, 400L), 2.0);
    assertEquals(1, s.getMaxEndIndex());
    s.add(new SimpleTimePeriod(0L, 50L), 3.0);
    assertEquals(1, s.getMaxEndIndex());
}

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From source file:org.datacleaner.widgets.result.DateGapAnalyzerResultSwingRenderer.java

private TimePeriod createTimePeriod(long from, long to) {
    if (from > to) {
        logger.warn("An illegal from/to combination occurred: {}, {}", from, to);
    }/*  w  w w.  j  a v a2  s  .c  om*/
    return new SimpleTimePeriod(from, to);
}

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From source file:org.jfree.data.time.junit.TimePeriodValuesTest.java

/**
 * Some tests for the getMinMiddleIndex() method.
 *//*  w w  w .j  a  v a2 s  .  c  o  m*/
public void testGetMinMiddleIndex() {
    TimePeriodValues s = new TimePeriodValues("Test");
    assertEquals(-1, s.getMinMiddleIndex());
    s.add(new SimpleTimePeriod(100L, 200L), 1.0);
    assertEquals(0, s.getMinMiddleIndex());
    s.add(new SimpleTimePeriod(300L, 400L), 2.0);
    assertEquals(0, s.getMinMiddleIndex());
    s.add(new SimpleTimePeriod(0L, 50L), 3.0);
    assertEquals(2, s.getMinMiddleIndex());
}

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From source file:tools.descartes.bungee.chart.ChartGenerator.java

private static void addDiffToDataset(double granularityInSeconds, TimeTableXYDataset dataset,
        double windowStart, long summedDiffs, long numberOfElements) {
    long diffAverage = summedDiffs / numberOfElements;
    SimpleTimePeriod timePeriod = new SimpleTimePeriod(new Date((long) windowStart),
            new Date((long) (windowStart + granularityInSeconds * 1000)));
    dataset.add(timePeriod, diffAverage, "Request Submission Delay");
}

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From source file:org.jfree.data.time.junit.TimePeriodValuesTest.java

/**
 * Some tests for the getMaxMiddleIndex() method.
 *//*from  w  w w . j  a v  a2 s.  c  o  m*/
public void testGetMaxMiddleIndex() {
    TimePeriodValues s = new TimePeriodValues("Test");
    assertEquals(-1, s.getMaxMiddleIndex());
    s.add(new SimpleTimePeriod(100L, 200L), 1.0);
    assertEquals(0, s.getMaxMiddleIndex());
    s.add(new SimpleTimePeriod(300L, 400L), 2.0);
    assertEquals(1, s.getMaxMiddleIndex());
    s.add(new SimpleTimePeriod(0L, 50L), 3.0);
    assertEquals(1, s.getMaxMiddleIndex());
    s.add(new SimpleTimePeriod(150L, 200L), 4.0);
    assertEquals(1, s.getMaxMiddleIndex());
}

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