Example usage for org.jfree.data.time TimeSeries findValueRange

Introduction

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

Prototype

public Range findValueRange(Range xRange, TimePeriodAnchor xAnchor, TimeZone zone) 

Source Link

Document

Finds the range of y-values that fall within the specified range of x-values (where the x-values are interpreted as milliseconds since the epoch and converted to time periods using the specified timezone).

Usage

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

/**
 * Returns the bounds for the y-values in the dataset.
 *
 * @param visibleSeriesKeys  the visible series keys.
 * @param xRange  the x-range (<code>null</code> not permitted).
 * @param includeInterval  ignored.//from  ww  w . j  a v  a  2s.c  om
 *
 * @return The bounds.
 *
 * @since 1.0.14
 */
@Override
public Range getRangeBounds(List visibleSeriesKeys, Range xRange, boolean includeInterval) {
    Range result = null;
    Iterator iterator = visibleSeriesKeys.iterator();
    while (iterator.hasNext()) {
        Comparable seriesKey = (Comparable) iterator.next();
        TimeSeries series = getSeries(seriesKey);
        Range r = series.findValueRange(xRange, this.xPosition, this.workingCalendar.getTimeZone());
        result = Range.combineIgnoringNaN(result, r);
    }
    return result;
}

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

@Test
public void testFindValueRange2() {
    TimeZone tzone = TimeZone.getTimeZone("Europe/London");
    Calendar calendar = new GregorianCalendar(tzone, Locale.UK);
    calendar.clear();/*  w  w  w.  java 2s. co  m*/
    calendar.set(2014, Calendar.FEBRUARY, 23, 6, 0);
    long start = calendar.getTimeInMillis();
    calendar.clear();
    calendar.set(2014, Calendar.FEBRUARY, 24, 18, 0);
    long end = calendar.getTimeInMillis();
    Range range = new Range(start, end);

    TimeSeries ts = new TimeSeries("Time Series");
    assertNull(ts.findValueRange(range, TimePeriodAnchor.START, tzone));
    assertNull(ts.findValueRange(range, TimePeriodAnchor.MIDDLE, tzone));
    assertNull(ts.findValueRange(range, TimePeriodAnchor.END, tzone));

    ts.add(new Day(23, 2, 2014), 5.0);
    assertTrue(ts.findValueRange(range, TimePeriodAnchor.START, tzone).isNaNRange());
    assertEquals(new Range(5.0, 5.0), ts.findValueRange(range, TimePeriodAnchor.MIDDLE, tzone));
    assertEquals(new Range(5.0, 5.0), ts.findValueRange(range, TimePeriodAnchor.END, tzone));

    ts.add(new Day(24, 2, 2014), 6.0);
    assertEquals(new Range(6.0, 6.0), ts.findValueRange(range, TimePeriodAnchor.START, tzone));
    assertEquals(new Range(5.0, 6.0), ts.findValueRange(range, TimePeriodAnchor.MIDDLE, tzone));
    assertEquals(new Range(5.0, 5.0), ts.findValueRange(range, TimePeriodAnchor.END, tzone));

    ts.clear();
    ts.add(new Day(24, 2, 2014), null);
    assertTrue(ts.findValueRange(range, TimePeriodAnchor.START, tzone).isNaNRange());
    assertTrue(ts.findValueRange(range, TimePeriodAnchor.MIDDLE, tzone).isNaNRange());
    assertTrue(ts.findValueRange(range, TimePeriodAnchor.END, tzone).isNaNRange());
}

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