Example usage for org.jfree.data.general DatasetUtilities findDomainBounds

Introduction

In this page you can find the example usage for org.jfree.data.general DatasetUtilities findDomainBounds.

Prototype

public static Range findDomainBounds(XYDataset dataset, List visibleSeriesKeys, boolean includeInterval) 

Source Link

Document

Returns the bounds of the x-values in the specified dataset taking into account only the visible series and including any x-interval if requested.

Usage

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

/**
 * This method provides a check for the bounds calculated using the
 * {@link DatasetUtilities#findDomainBounds(org.jfree.data.xy.XYDataset,
 * java.util.List, boolean)} method.//w ww .j av  a2  s.co  m
 */
@Test
public void testFindDomainBounds() {
    TimeSeriesCollection dataset = new TimeSeriesCollection();
    List visibleSeriesKeys = new java.util.ArrayList();
    Range r = DatasetUtilities.findDomainBounds(dataset, visibleSeriesKeys, true);
    assertNull(r);

    TimeSeries s1 = new TimeSeries("S1");
    dataset.addSeries(s1);
    visibleSeriesKeys.add("S1");
    r = DatasetUtilities.findDomainBounds(dataset, visibleSeriesKeys, true);
    assertNull(r);

    // store the current time zone
    TimeZone saved = TimeZone.getDefault();
    TimeZone.setDefault(TimeZone.getTimeZone("Europe/Paris"));

    s1.add(new Year(2008), 8.0);
    r = DatasetUtilities.findDomainBounds(dataset, visibleSeriesKeys, true);
    assertEquals(1199142000000.0, r.getLowerBound(), EPSILON);
    assertEquals(1230764399999.0, r.getUpperBound(), EPSILON);

    TimeSeries s2 = new TimeSeries("S2");
    dataset.addSeries(s2);
    s2.add(new Year(2009), 9.0);
    s2.add(new Year(2010), 10.0);
    r = DatasetUtilities.findDomainBounds(dataset, visibleSeriesKeys, true);
    assertEquals(1199142000000.0, r.getLowerBound(), EPSILON);
    assertEquals(1230764399999.0, r.getUpperBound(), EPSILON);

    visibleSeriesKeys.add("S2");
    r = DatasetUtilities.findDomainBounds(dataset, visibleSeriesKeys, true);
    assertEquals(1199142000000.0, r.getLowerBound(), EPSILON);
    assertEquals(1293836399999.0, r.getUpperBound(), EPSILON);

    // restore the default time zone
    TimeZone.setDefault(saved);
}

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