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.


    /**
     * Two classes with different period classes are NOT the same.
     */
    public void testEquals3() {
        TimeSeries s1 = new TimeSeries("Series", Day.class);
        TimeSeries s2 = new TimeSeries("Series", Month.class);
        assertFalse(s1.equals(s2));
    }

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     * Some tests to ensure that the createCopy(RegularTimePeriod,
     * RegularTimePeriod) method is functioning correctly.
     */
    public void testCreateCopy1() {


        TimeSeries series = new TimeSeries("Series", Month.class);
        series.add(new Month(MonthConstants.JANUARY, 2003), 45.0);
        series.add(new Month(MonthConstants.FEBRUARY, 2003), 55.0);
        series.add(new Month(MonthConstants.JUNE, 2003), 35.0);
        series.add(new Month(MonthConstants.NOVEMBER, 2003), 85.0);
        series.add(new Month(MonthConstants.DECEMBER, 2003), 75.0);


        try {
            // copy a range before the start of the series data...
            TimeSeries result1 = series.createCopy(
                    new Month(MonthConstants.NOVEMBER, 2002),
                    new Month(MonthConstants.DECEMBER, 2002));
            assertEquals(0, result1.getItemCount());


            // copy a range that includes only the first item in the series...
            TimeSeries result2 = series.createCopy(
                    new Month(MonthConstants.NOVEMBER, 2002),
                    new Month(MonthConstants.JANUARY, 2003));
            assertEquals(1, result2.getItemCount());


            // copy a range that begins before and ends in the middle of the
            // series...
            TimeSeries result3 = series.createCopy(
                    new Month(MonthConstants.NOVEMBER, 2002),
                    new Month(MonthConstants.APRIL, 2003));
            assertEquals(2, result3.getItemCount());


            TimeSeries result4 = series.createCopy(
                    new Month(MonthConstants.NOVEMBER, 2002),
                    new Month(MonthConstants.DECEMBER, 2003));
            assertEquals(5, result4.getItemCount());


            TimeSeries result5 = series.createCopy(
                    new Month(MonthConstants.NOVEMBER, 2002),
                    new Month(MonthConstants.MARCH, 2004));
            assertEquals(5, result5.getItemCount());


            TimeSeries result6 = series.createCopy(
                    new Month(MonthConstants.JANUARY, 2003),
                    new Month(MonthConstants.JANUARY, 2003));
            assertEquals(1, result6.getItemCount());


            TimeSeries result7 = series.createCopy(
                    new Month(MonthConstants.JANUARY, 2003),
                    new Month(MonthConstants.APRIL, 2003));
            assertEquals(2, result7.getItemCount());


            TimeSeries result8 = series.createCopy(
                    new Month(MonthConstants.JANUARY, 2003),
                    new Month(MonthConstants.DECEMBER, 2003));
            assertEquals(5, result8.getItemCount());


            TimeSeries result9 = series.createCopy(
                    new Month(MonthConstants.JANUARY, 2003),
                    new Month(MonthConstants.MARCH, 2004));
            assertEquals(5, result9.getItemCount());


            TimeSeries result10 = series.createCopy(
                    new Month(MonthConstants.MAY, 2003),
                    new Month(MonthConstants.DECEMBER, 2003));
            assertEquals(3, result10.getItemCount());


            TimeSeries result11 = series.createCopy(
                    new Month(MonthConstants.MAY, 2003),
                    new Month(MonthConstants.MARCH, 2004));
            assertEquals(3, result11.getItemCount());


            TimeSeries result12 = series.createCopy(
                    new Month(MonthConstants.DECEMBER, 2003),
                    new Month(MonthConstants.DECEMBER, 2003));
            assertEquals(1, result12.getItemCount());


            TimeSeries result13 = series.createCopy(
                    new Month(MonthConstants.DECEMBER, 2003),
                    new Month(MonthConstants.MARCH, 2004));
            assertEquals(1, result13.getItemCount());


            TimeSeries result14 = series.createCopy(
                    new Month(MonthConstants.JANUARY, 2004),
                    new Month(MonthConstants.MARCH, 2004));
            assertEquals(0, result14.getItemCount());
        }
        catch (CloneNotSupportedException e) {
            assertTrue(false);
        }

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     * Some tests to ensure that the createCopy(int, int) method is
     * functioning correctly.
     */
    public void testCreateCopy2() {


        TimeSeries series = new TimeSeries("Series", Month.class);
        series.add(new Month(MonthConstants.JANUARY, 2003), 45.0);
        series.add(new Month(MonthConstants.FEBRUARY, 2003), 55.0);
        series.add(new Month(MonthConstants.JUNE, 2003), 35.0);
        series.add(new Month(MonthConstants.NOVEMBER, 2003), 85.0);
        series.add(new Month(MonthConstants.DECEMBER, 2003), 75.0);


        try {
            // copy just the first item...
            TimeSeries result1 = series.createCopy(0, 0);
            assertEquals(new Month(1, 2003), result1.getTimePeriod(0));


            // copy the first two items...
            result1 = series.createCopy(0, 1);
            assertEquals(new Month(2, 2003), result1.getTimePeriod(1));


            // copy the middle three items...
            result1 = series.createCopy(1, 3);
            assertEquals(new Month(2, 2003), result1.getTimePeriod(0));
            assertEquals(new Month(11, 2003), result1.getTimePeriod(2));


            // copy the last two items...
            result1 = series.createCopy(3, 4);
            assertEquals(new Month(11, 2003), result1.getTimePeriod(0));
            assertEquals(new Month(12, 2003), result1.getTimePeriod(1));


            // copy the last item...
            result1 = series.createCopy(4, 4);
            assertEquals(new Month(12, 2003), result1.getTimePeriod(0));
        }
        catch (CloneNotSupportedException e) {
            assertTrue(false);
        }


        // check negative first argument
        boolean pass = false;
        try {
            /* TimeSeries result = */ series.createCopy(-1, 1);
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        catch (CloneNotSupportedException e) {
            pass = false;
        }
        assertTrue(pass);


        // check second argument less than first argument
        pass = false;
        try {
            /* TimeSeries result = */ series.createCopy(1, 0);
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        catch (CloneNotSupportedException e) {
            pass = false;
        }
        assertTrue(pass);


        TimeSeries series2 = new TimeSeries("Series 2");
        try {
            TimeSeries series3 = series2.createCopy(99, 999);
            assertEquals(0, series3.getItemCount());
        }
        catch (CloneNotSupportedException e) {
            assertTrue(false);
        }
    }

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     * a subset.
     *
     * @throws java.lang.CloneNotSupportedException
     */
    public void testCreateCopy3() throws CloneNotSupportedException {
        TimeSeries s1 = new TimeSeries("S1");
        s1.add(new Year(2009), 100.0);
        s1.add(new Year(2010), 101.0);
        s1.add(new Year(2011), 102.0);
        assertEquals(100.0, s1.getMinY(), EPSILON);
        assertEquals(102.0, s1.getMaxY(), EPSILON);
        
        TimeSeries s2 = s1.createCopy(0, 1);
        assertEquals(100.0, s2.getMinY(), EPSILON);
        assertEquals(101.0, s2.getMaxY(), EPSILON);


        TimeSeries s3 = s1.createCopy(1, 2);
        assertEquals(101.0, s3.getMinY(), EPSILON);
        assertEquals(102.0, s3.getMaxY(), EPSILON);
    }

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    /**
     * Test the setMaximumItemCount() method to ensure that it removes items
     * from the series if necessary.
     */
    public void testSetMaximumItemCount() {
        TimeSeries s1 = new TimeSeries("S1", Year.class);
        s1.add(new Year(2000), 13.75);
        s1.add(new Year(2001), 11.90);
        s1.add(new Year(2002), null);
        s1.add(new Year(2005), 19.32);
        s1.add(new Year(2007), 16.89);
        assertTrue(s1.getItemCount() == 5);


        s1.setMaximumItemCount(3);
        assertTrue(s1.getItemCount() == 3);
        TimeSeriesDataItem item = s1.getDataItem(0);
        assertTrue(item.getPeriod().equals(new Year(2002)));
        assertEquals(16.89, s1.getMinY(), EPSILON);
        assertEquals(19.32, s1.getMaxY(), EPSILON);
    }

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    /**
     * Some checks for the addOrUpdate() method.
     */
    public void testAddOrUpdate() {
        TimeSeries s1 = new TimeSeries("S1", Year.class);
        s1.setMaximumItemCount(2);
        s1.addOrUpdate(new Year(2000), 100.0);
        assertEquals(1, s1.getItemCount());
        s1.addOrUpdate(new Year(2001), 101.0);
        assertEquals(2, s1.getItemCount());
        s1.addOrUpdate(new Year(2001), 102.0);
        assertEquals(2, s1.getItemCount());
        s1.addOrUpdate(new Year(2002), 103.0);
        assertEquals(2, s1.getItemCount());
    }

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    /**
     * Test the add branch of the addOrUpdate() method.
     */
    public void testAddOrUpdate2() {
        TimeSeries s1 = new TimeSeries("S1");
        s1.setMaximumItemCount(2);
        s1.addOrUpdate(new Year(2010), 1.1);
        s1.addOrUpdate(new Year(2011), 2.2);
        s1.addOrUpdate(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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    /**
     * Test that the addOrUpdate() method won't allow multiple time period
     * classes.
     */
    public void testAddOrUpdate3() {
        TimeSeries s1 = new TimeSeries("S1");
        s1.addOrUpdate(new Year(2010), 1.1);
        assertEquals(Year.class, s1.getTimePeriodClass());


        boolean pass = false;
        try {
            s1.addOrUpdate(new Month(1, 2009), 0.0);
        }
        catch (SeriesException e) {
            pass = true;
        }
        assertTrue(pass);

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    /**
     * Some more checks for the addOrUpdate() method.
     */
    public void testAddOrUpdate4() {
        TimeSeries ts = new TimeSeries("S");
        TimeSeriesDataItem overwritten = ts.addOrUpdate(new Year(2009), 20.09);
        assertNull(overwritten);
        overwritten = ts.addOrUpdate(new Year(2009), 1.0);
        assertEquals(new Double(20.09), overwritten.getValue());
        assertEquals(new Double(1.0), ts.getValue(new Year(2009)));


        // changing the overwritten record shouldn't affect the series
        overwritten.setValue(null);
        assertEquals(new Double(1.0), ts.getValue(new Year(2009)));


        TimeSeriesDataItem item = new TimeSeriesDataItem(new Year(2010), 20.10);
        overwritten = ts.addOrUpdate(item);
        assertNull(overwritten);
        assertEquals(new Double(20.10), ts.getValue(new Year(2010)));
        // changing the item that was added should not change the series
        item.setValue(null);
        assertEquals(new Double(20.10), ts.getValue(new Year(2010)));
    }

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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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