Examples of org.jfree.data.time.TimeSeries

org.jfree.data.time.TimeSeries
Represents a sequence of zero or more data items in the form (period, value) where 'period' is some instance of a subclass of {@link RegularTimePeriod}. The time series will ensure that (a) all data items have the same type of period (for example, {@link Day}) and (b) that each period appears at most one time in the series.


    /**
     * Basic checks for cloning.
     */
    public void testCloning() {
        TimeSeries s1 = new TimeSeries("Series");
        s1.add(new Year(2009), 1.1);
        TimeSeriesCollection c1 = new TimeSeriesCollection();
        c1.addSeries(s1);
        TimeSeriesCollection c2 = null;
        try {
            c2 = (TimeSeriesCollection) c1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(c1 != c2);
        assertTrue(c1.getClass() == c2.getClass());
        assertTrue(c1.equals(c2));


        // check independence
        s1.setDescription("XYZ");
        assertFalse(c1.equals(c2));
        c2.getSeries(0).setDescription("XYZ");
        assertTrue(c1.equals(c2));
    }

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    /**
     * A test to cover bug 3445507.
     */
    public void testBug3445507() {
        TimeSeries s1 = new TimeSeries("S1");
        s1.add(new Year(2011), null);
        s1.add(new Year(2012), null);


        TimeSeries s2 = new TimeSeries("S2");
        s2.add(new Year(2011), 5.0);
        s2.add(new Year(2012), 6.0);


        TimeSeriesCollection dataset = new TimeSeriesCollection();
        dataset.addSeries(s1);
        dataset.addSeries(s2);

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    public void testGetRangeBounds() {
        TimeSeriesCollection dataset = new TimeSeriesCollection();
        Range r = dataset.getRangeBounds(false);
        assertNull(r);


        TimeSeries s1 = new TimeSeries("S1");
        dataset.addSeries(s1);
        r = dataset.getRangeBounds(false);
        assertTrue(Double.isNaN(r.getLowerBound()));
        assertTrue(Double.isNaN(r.getUpperBound()));


        s1.add(new Year(2012), 1.0);
        r = dataset.getRangeBounds(false);
        assertEquals(1.0, r.getLowerBound(), EPSILON);
        assertEquals(1.0, r.getUpperBound(), EPSILON);


        TimeSeries s2 = new TimeSeries("S2");
        dataset.addSeries(s2);
        r = dataset.getRangeBounds(false);
        assertEquals(1.0, r.getLowerBound(), EPSILON);
        assertEquals(1.0, r.getUpperBound(), EPSILON);
    }

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     * @return Series 1.
     */
    private IntervalXYDataset createDataset1() {


        // create dataset 1...
        TimeSeries series1 = new TimeSeries("Series 1", Day.class);
        series1.add(new Day(1, MonthConstants.MARCH, 2002), 12353.3);
        series1.add(new Day(2, MonthConstants.MARCH, 2002), 13734.4);
        series1.add(new Day(3, MonthConstants.MARCH, 2002), 14525.3);
        series1.add(new Day(4, MonthConstants.MARCH, 2002), 13984.3);
        series1.add(new Day(5, MonthConstants.MARCH, 2002), 12999.4);
        series1.add(new Day(6, MonthConstants.MARCH, 2002), 14274.3);
        series1.add(new Day(7, MonthConstants.MARCH, 2002), 15943.5);
        series1.add(new Day(8, MonthConstants.MARCH, 2002), 14845.3);
        series1.add(new Day(9, MonthConstants.MARCH, 2002), 14645.4);
        series1.add(new Day(10, MonthConstants.MARCH, 2002), 16234.6);
        series1.add(new Day(11, MonthConstants.MARCH, 2002), 17232.3);
        series1.add(new Day(12, MonthConstants.MARCH, 2002), 14232.2);
        series1.add(new Day(13, MonthConstants.MARCH, 2002), 13102.2);
        series1.add(new Day(14, MonthConstants.MARCH, 2002), 14230.2);
        series1.add(new Day(15, MonthConstants.MARCH, 2002), 11235.2);


        TimeSeriesCollection collection = new TimeSeriesCollection(series1);
        return collection;


    }

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    /**
     * Test for bug report 3446965.
     */
    public void testBug3446965() {
        TimeSeries s = new TimeSeries("s");
        s.addOrUpdate(new Year(2011), 100.0);
        s.addOrUpdate(new Year(2012), 150.0);
        s.addOrUpdate(new Year(2013), 200.0);
        s.addOrUpdate(new Year(2012), 250.0);  // this line triggers the defect
        assertEquals(100.0, s.getMinY(), EPSILON);
        assertEquals(250.0, s.getMaxY(), EPSILON);
    }

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    /**
     * Some checks for the getMinY() method.
     */
    public void testGetMinY() {
        TimeSeries s1 = new TimeSeries("S1");
        assertTrue(Double.isNaN(s1.getMinY()));


        s1.add(new Year(2008), 1.1);
        assertEquals(1.1, s1.getMinY(), EPSILON);


        s1.add(new Year(2009), 2.2);
        assertEquals(1.1, s1.getMinY(), EPSILON);


        s1.add(new Year(2000), 99.9);
        assertEquals(1.1, s1.getMinY(), EPSILON);


        s1.add(new Year(2002), -1.1);
        assertEquals(-1.1, s1.getMinY(), EPSILON);


        s1.add(new Year(2003), null);
        assertEquals(-1.1, s1.getMinY(), EPSILON);


        s1.addOrUpdate(new Year(2002), null);
        assertEquals(1.1, s1.getMinY(), EPSILON);
   }

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    /**
     * Some checks for the getMaxY() method.
     */
    public void testGetMaxY() {
        TimeSeries s1 = new TimeSeries("S1");
        assertTrue(Double.isNaN(s1.getMaxY()));


        s1.add(new Year(2008), 1.1);
        assertEquals(1.1, s1.getMaxY(), EPSILON);


        s1.add(new Year(2009), 2.2);
        assertEquals(2.2, s1.getMaxY(), EPSILON);


        s1.add(new Year(2000), 99.9);
        assertEquals(99.9, s1.getMaxY(), EPSILON);


        s1.add(new Year(2002), -1.1);
        assertEquals(99.9, s1.getMaxY(), EPSILON);


        s1.add(new Year(2003), null);
        assertEquals(99.9, s1.getMaxY(), EPSILON);


        s1.addOrUpdate(new Year(2000), null);
        assertEquals(2.2, s1.getMaxY(), EPSILON);
    }

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    /**
     * A test for the clear method.
     */
    public void testClear() {
        TimeSeries s1 = new TimeSeries("S1");
        s1.add(new Year(2009), 1.1);
        s1.add(new Year(2010), 2.2);


        assertEquals(2, s1.getItemCount());


        s1.clear();
        assertEquals(0, s1.getItemCount());
        assertTrue(Double.isNaN(s1.getMinY()));
        assertTrue(Double.isNaN(s1.getMaxY()));
    }

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    /**
     * Check that the item bounds are determined correctly when there is a
     * maximum item count and a new value is added.
     */
    public void testAdd() {
        TimeSeries s1 = new TimeSeries("S1");
        s1.setMaximumItemCount(2);
        s1.add(new Year(2010), 1.1);
        s1.add(new Year(2011), 2.2);
        s1.add(new Year(2012), 3.3);
        assertEquals(2, s1.getItemCount());
        assertEquals(2.2, s1.getMinY(), EPSILON);
        assertEquals(3.3, s1.getMaxY(), EPSILON);
    }

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    /**
     * Some checks for the update(RegularTimePeriod...method).
     */
    public void testUpdate_RegularTimePeriod() {
        TimeSeries s1 = new TimeSeries("S1");
        s1.add(new Year(2010), 1.1);
        s1.add(new Year(2011), 2.2);
        s1.add(new Year(2012), 3.3);
        s1.update(new Year(2012), 4.4);
        assertEquals(4.4, s1.getMaxY(), EPSILON);
        s1.update(new Year(2010), 0.5);
        assertEquals(0.5, s1.getMinY(), EPSILON);
        s1.update(new Year(2012), null);
        assertEquals(2.2, s1.getMaxY(), EPSILON);
        s1.update(new Year(2010), null);
        assertEquals(2.2, s1.getMinY(), EPSILON);
    }

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