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

Introduction

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

Prototype

public TimePeriodValues(String name) 

Source Link

Document

Creates a new (empty) collection of time period values.

Usage

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

/**
 * Some checks for the add() methods./*from  w ww .j  a  v  a  2  s.  c  o  m*/
 */
@Test
public void testAdd() {
    TimePeriodValues tpv = new TimePeriodValues("Test");
    MySeriesChangeListener listener = new MySeriesChangeListener();
    tpv.addChangeListener(listener);
    tpv.add(new TimePeriodValue(new SimpleTimePeriod(new Date(1L), new Date(3L)), 99.0));
    assertEquals(99.0, tpv.getValue(0).doubleValue(), EPSILON);
    assertEquals(tpv, listener.getLastEvent().getSource());

    // a null item should throw an IllegalArgumentException
    boolean pass = false;
    try {
        tpv.add((TimePeriodValue) null);
    } catch (IllegalArgumentException e) {
        pass = true;
    }
    assertTrue(pass);
}

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

/**
 * Tests the equals method./*from  w  w  w .j  a  va  2s .  c  o  m*/
 */
public void testEquals() {
    TimePeriodValues s1 = new TimePeriodValues("Time Series 1");
    TimePeriodValues s2 = new TimePeriodValues("Time Series 2");
    boolean b1 = s1.equals(s2);
    assertFalse("b1", b1);

    s2.setKey("Time Series 1");
    boolean b2 = s1.equals(s2);
    assertTrue("b2", b2);

    // domain description
    s1.setDomainDescription("XYZ");
    assertFalse(s1.equals(s2));
    s2.setDomainDescription("XYZ");
    assertTrue(s1.equals(s2));

    // domain description - null
    s1.setDomainDescription(null);
    assertFalse(s1.equals(s2));
    s2.setDomainDescription(null);
    assertTrue(s1.equals(s2));

    // range description
    s1.setRangeDescription("XYZ");
    assertFalse(s1.equals(s2));
    s2.setRangeDescription("XYZ");
    assertTrue(s1.equals(s2));

    // range description - null
    s1.setRangeDescription(null);
    assertFalse(s1.equals(s2));
    s2.setRangeDescription(null);
    assertTrue(s1.equals(s2));

    RegularTimePeriod p1 = new Day();
    RegularTimePeriod p2 = p1.next();
    s1.add(p1, 100.0);
    s1.add(p2, 200.0);
    boolean b3 = s1.equals(s2);
    assertFalse("b3", b3);

    s2.add(p1, 100.0);
    s2.add(p2, 200.0);
    boolean b4 = s1.equals(s2);
    assertTrue("b4", b4);

}

---

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);// w ww  .  ja va  2  s .  c om

    //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;
}

---

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

/**
 * Some tests for the getMinStartIndex() method.
 *///from ww w .jav  a 2s . c  o m
@Test
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());
}

---

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

/**
 * Some tests for the getMaxStartIndex() method.
 *//*from w w w . ja  v  a2 s .  co m*/
@Test
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());
}

---

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

/**
 * A test for bug report 1161329.//from   w w  w  . j a  v a2  s.com
 */
public void test1161329() {
    TimePeriodValues tpv = new TimePeriodValues("Test");
    RegularTimePeriod t = new Day();
    tpv.add(t, 1.0);
    t = t.next();
    tpv.add(t, 2.0);
    tpv.delete(0, 1);
    assertEquals(0, tpv.getItemCount());
    tpv.add(t, 2.0);
    assertEquals(1, tpv.getItemCount());
}

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

/**
 * Some tests for the getMinMiddleIndex() method.
 *//*w  ww  .  j ava2  s.c  o  m*/
@Test
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());
}

---

From source file:net.commerce.zocalo.freechart.ChartTest.java

private TimePeriodValuesCollection makeupSeriesValues() {
    TimePeriodValues aValues = new TimePeriodValues("volleyball");
    TimePeriodValues bValues = new TimePeriodValues("climbing");
    TimePeriodValues cValues = new TimePeriodValues("hockey");
    Minute now = new Minute();

    aValues.add(new TimePeriodValue(new Second(2, now), .2));
    bValues.add(new TimePeriodValue(new Second(2, now), .4));
    cValues.add(new TimePeriodValue(new Second(2, now), .4));
    aValues.add(new TimePeriodValue(new Second(14, now), .25));
    bValues.add(new TimePeriodValue(new Second(14, now), .35));
    cValues.add(new TimePeriodValue(new Second(14, now), .4));
    aValues.add(new TimePeriodValue(new Second(22, now), .26));
    bValues.add(new TimePeriodValue(new Second(22, now), .35));
    cValues.add(new TimePeriodValue(new Second(22, now), .39));
    aValues.add(new TimePeriodValue(new Second(32, now), .23));
    bValues.add(new TimePeriodValue(new Second(32, now), .37));
    cValues.add(new TimePeriodValue(new Second(32, now), .38));
    aValues.add(new TimePeriodValue(new Second(45, now), .33));
    bValues.add(new TimePeriodValue(new Second(45, now), .31));
    cValues.add(new TimePeriodValue(new Second(45, now), .37));
    aValues.add(new TimePeriodValue(new Second(58, now), .33));
    bValues.add(new TimePeriodValue(new Second(58, now), .31));
    cValues.add(new TimePeriodValue(new Second(58, now), .37));

    TimePeriodValuesCollection series = new TimePeriodValuesCollection();

    series.addSeries(aValues);/* ww  w . ja v  a  2  s .  co  m*/
    series.addSeries(bValues);
    series.addSeries(cValues);
    return series;
}

---

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

/**
 * Some checks for the add() methods./*from www.ja v a  2 s.  co  m*/
 */
public void testAdd() {
    TimePeriodValues tpv = new TimePeriodValues("Test");
    MySeriesChangeListener listener = new MySeriesChangeListener();
    tpv.addChangeListener(listener);
    tpv.add(new TimePeriodValue(new SimpleTimePeriod(new Date(1L), new Date(3L)), 99.0));
    assertEquals(99.0, tpv.getValue(0).doubleValue(), EPSILON);
    assertEquals(tpv, listener.getLastEvent().getSource());

    // a null item should throw an IllegalArgumentException
    boolean pass = false;
    try {
        tpv.add((TimePeriodValue) null);
    } catch (IllegalArgumentException e) {
        pass = true;
    }
    assertTrue(pass);
}

---

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

/**
 * Some tests for the getMaxMiddleIndex() method.
 *///  www  .j  av  a2  s  .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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