Example usage for org.jfree.data.time RegularTimePeriod next

List of usage examples for org.jfree.data.time RegularTimePeriod next

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Introduction

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

Prototype

public abstract RegularTimePeriod next();

Source Link

Document

Returns the time period following this one, or null if some limit has been reached.

Usage

From source file:edu.ucla.stat.SOCR.chart.demo.CrosshairDemo1.java

/**
 * Creates a sample dataset.//from  w  ww  . j a  va2  s  . c  om
 * 
 * @param name  the dataset name.
 * @param base  the starting value.
 * @param start  the starting period.
 * @param count  the number of values to generate.
 *
 * @return The dataset.
 */
protected XYDataset createDataset(boolean isDemo) {
    if (isDemo) {
        String name = "Random 1";
        double base = 100.0;
        RegularTimePeriod start = new Minute();
        int count = 200;

        TimeSeries series = new TimeSeries(name, start.getClass());
        RegularTimePeriod period = start;
        double value = base;
        for (int i = 0; i < count; i++) {
            series.add(period, value);
            period = period.next();
            value = value * (1 + (Math.random() - 0.495) / 10.0);
        }

        TimeSeriesCollection dataset = new TimeSeriesCollection();
        dataset.addSeries(series);

        return dataset;
    } else {
        super.setArrayFromTable();
        String[][] x = new String[xyLength][independentVarLength];
        double[][] y = new double[xyLength][dependentVarLength];
        int[][] skipy = new int[xyLength][dependentVarLength];

        for (int index = 0; index < independentVarLength; index++)
            for (int i = 0; i < xyLength; i++)
                x[i][index] = indepValues[i][index];

        for (int index = 0; index < dependentVarLength; index++)
            for (int i = 0; i < xyLength; i++)
                if (depValues[i][index] == null || depValues[i][index].length() == 0)
                    skipy[i][index] = 1;
                else
                    y[i][index] = Double.parseDouble(depValues[i][index]);

        // create the dataset... 
        TimeSeriesCollection collection = new TimeSeriesCollection();
        TimeSeries series;

        for (int ind = 0; ind < independentVarLength; ind++) {
            if (independentHeaders[ind].indexOf(":") != -1)
                series = new TimeSeries(
                        independentHeaders[ind].substring(0, independentHeaders[ind].indexOf(":")),
                        Minute.class);
            else
                series = new TimeSeries(independentHeaders[ind], Minute.class);
            //TimeSeries("Executions", "Year", "Count", Year.class);

            for (int i = 0; i < xyLength; i++) {
                if (x[i][ind] != null && y[i][ind] != 1)
                    series.add(DateParser.parseMinute(x[i][ind]), y[i][ind]);
            }
            //   collection.setDomainIsPointsInTime(false);
            collection.addSeries(series);
        }
        return collection;

    }

}

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

/**
 * A test for bug report 1161329.// ww  w  .j a  v a  2  s  .  co  m
 */
@Test
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());
}

From source file:com.stableapps.anglewraparounddemo.AngleWrapDemoMain.java

/**
 * Creates a sample dataset.//from w  w  w .  j ava  2  s.  c o  m
 *
 * @param count the item count.
 *
 * @return the dataset.
 */
private XYDataset createAngleDataset(final int count) {
    final TimeSeriesCollection dataset = new TimeSeriesCollection();
    final TimeSeries s1 = new TimeSeries("Angle (In Degrees)");
    RegularTimePeriod start = new Minute();
    double direction = 180.0;
    for (int i = 0; i < count; i++) {
        s1.add(start, direction);
        start = start.next();
        direction = direction + (Math.random() - 0.45) * 15.0;
        if (direction < 0.0) {
            direction = direction + 360.0;
        } else if (direction > 360.0) {
            direction = direction - 360.0;
        }
    }
    dataset.addSeries(s1);
    return dataset;
}

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

/**
 * Tests the equals method./* w  w w  .jav a  2  s.c  o  m*/
 */
@Test
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:org.jfree.data.time.junit.TimePeriodValuesTest.java

/**
 * A test for bug report 1161329.//w  w w  . j  a  v a 2s.  c  o  m
 */
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());
}

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

/**
 * Tests the equals method.//from   w  w w  . ja  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:org.jfree.data.time.TimeSeriesCollectionTest.java

/**
 * Creates a time series for testing./*from w  w w  .  ja v  a2  s  . co m*/
 *
 * @return A time series.
 */
private TimeSeries createSeries() {
    RegularTimePeriod t = new Day();
    TimeSeries series = new TimeSeries("Test");
    series.add(t, 1.0);
    t = t.next();
    series.add(t, 2.0);
    t = t.next();
    series.add(t, null);
    t = t.next();
    series.add(t, 4.0);
    return series;
}

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

/**
 * Tests the equals method.//from  w  w  w . j av  a2 s .c  o m
 */
public void testEquals() {
    TimeSeries s1 = new TimeSeries("Time Series 1");
    TimeSeries s2 = new TimeSeries("Time Series 2");
    boolean b1 = s1.equals(s2);
    assertFalse("b1", b1);

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

    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);

    s1.setMaximumItemCount(100);
    boolean b5 = s1.equals(s2);
    assertFalse("b5", b5);

    s2.setMaximumItemCount(100);
    boolean b6 = s1.equals(s2);
    assertTrue("b6", b6);

    s1.setMaximumItemAge(100);
    boolean b7 = s1.equals(s2);
    assertFalse("b7", b7);

    s2.setMaximumItemAge(100);
    boolean b8 = s1.equals(s2);
    assertTrue("b8", b8);
}

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

/**
 * Tests the equals method.//  w ww.  ja  v a2  s.co m
 */
@Test
public void testEquals() {
    TimeSeries s1 = new TimeSeries("Time Series 1");
    TimeSeries s2 = new TimeSeries("Time Series 2");
    boolean b1 = s1.equals(s2);
    assertFalse("b1", b1);

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

    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);

    s1.setMaximumItemCount(100);
    boolean b5 = s1.equals(s2);
    assertFalse("b5", b5);

    s2.setMaximumItemCount(100);
    boolean b6 = s1.equals(s2);
    assertTrue("b6", b6);

    s1.setMaximumItemAge(100);
    boolean b7 = s1.equals(s2);
    assertFalse("b7", b7);

    s2.setMaximumItemAge(100);
    boolean b8 = s1.equals(s2);
    assertTrue("b8", b8);
}

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

/**
 * Returns a time period that would be the next in sequence on the end of
 * the time series./*  w  w w .j a  va  2  s .  c  o m*/
 *
 * @return The next time period.
 */
public RegularTimePeriod getNextTimePeriod() {
    RegularTimePeriod last = getTimePeriod(getItemCount() - 1);
    return last.next();
}