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

List of usage examples for org.jfree.data.time TimeSeries setMaximumItemAge

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Introduction

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

Prototype

public void setMaximumItemAge(long periods)

Source Link

Document

Sets the number of time units in the 'history' for the series.

Usage

From source file:org.paxle.tools.charts.impl.gui.ChartServlet.java

private JFreeChart createCPUChart() {
    final TimeSeriesCollection dataset = new TimeSeriesCollection();

    TimeSeries series = null;

    series = new TimeSeries("Total CPU Usage", Minute.class);
    series.setMaximumItemAge(24 * 60);
    dataset.addSeries(series);/*from  ww w .ja v  a 2  s .c  o  m*/
    this.seriesMap.put(TSERIES_CPU_TOTAL, series);

    series = new TimeSeries("User CPU Usage", Minute.class);
    series.setMaximumItemAge(24 * 60);
    dataset.addSeries(series);
    this.seriesMap.put(TSERIES_CPU_USER, series);

    series = new TimeSeries("System CPU Usage", Minute.class);
    series.setMaximumItemAge(24 * 60);
    dataset.addSeries(series);
    this.seriesMap.put(TSERIES_CPU_SYSTEM, series);

    // init chart
    JFreeChart chart = ChartFactory.createTimeSeriesChart(null, "Time", "Usage [%]", dataset, true, false,
            false);

    // change axis data format
    ((DateAxis) chart.getXYPlot().getDomainAxis()).setDateFormatOverride(new SimpleDateFormat("HH:mm"));
    chart.getXYPlot().getRangeAxis().setRange(0, 100);
    chart.getXYPlot().setNoDataMessage("No data available");
    chart.setBackgroundPaint(Color.WHITE);
    return chart;
}

From source file:gsn.vsensor.ChartVirtualSensor.java

/**
 * This method adds the specified stream elements to the timeSeries of the
 * appropriate plot.// ww w. j av  a  2 s.c  o m
 * 
 * @param streamElement
 */
public synchronized void addData(StreamElement streamElement) {
    for (int i = 0; i < streamElement.getFieldNames().length; i++) {
        TimeSeries timeSeries = dataForTheChart.get(streamElement.getFieldNames()[i]);
        if (timeSeries == null) {
            dataForTheChart.put(streamElement.getFieldNames()[i],
                    timeSeries = new TimeSeries(streamElement.getFieldNames()[i],
                            org.jfree.data.time.FixedMillisecond.class));
            if (isTimeBased) {
                timeSeries.setMaximumItemAge(historySize);
            } else {
                timeSeries.setMaximumItemCount(historySize);
            }
            dataCollectionForTheChart.addSeries(timeSeries);
        }
        try {
            timeSeries.addOrUpdate(new FixedMillisecond(new Date(streamElement.getTimeStamp())),
                    Double.parseDouble(streamElement.getData()[i].toString()));
        } catch (SeriesException e) {
            logger.warn(e.getMessage(), e);
        }

    }
    changed = true;
}

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

/**
 * Check that the item bounds are determined correctly when there is a
 * maximum item count.//from  ww w . j av  a2  s.c o  m
 */
public void testRemoveAgedItems4() {
    TimeSeries s1 = new TimeSeries("S1");
    s1.setMaximumItemAge(2);
    s1.add(new Year(2010), 1.1);
    s1.add(new Year(2011), 2.2);
    s1.add(new Year(2012), 3.3);
    s1.add(new Year(2013), 2.5);
    assertEquals(3, s1.getItemCount());
    assertEquals(2.2, s1.getMinY(), EPSILON);
    assertEquals(3.3, s1.getMaxY(), EPSILON);
}

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

/**
 * Check that the item bounds are determined correctly after a call to
 * removeAgedItems()./*w w  w.  java 2 s  .  com*/
 */
public void testRemoveAgedItems5() {
    TimeSeries s1 = new TimeSeries("S1");
    s1.setMaximumItemAge(4);
    s1.add(new Year(2010), 1.1);
    s1.add(new Year(2011), 2.2);
    s1.add(new Year(2012), 3.3);
    s1.add(new Year(2013), 2.5);
    s1.removeAgedItems(new Year(2015).getMiddleMillisecond(), true);
    assertEquals(3, s1.getItemCount());
    assertEquals(2.2, s1.getMinY(), EPSILON);
    assertEquals(3.3, s1.getMaxY(), EPSILON);
}

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

/**
 * Check that the item bounds are determined correctly when there is a
 * maximum item count./*from  ww  w  . j a  va2 s.c  o  m*/
 */
@Test
public void testRemoveAgedItems4() {
    TimeSeries s1 = new TimeSeries("S1");
    s1.setMaximumItemAge(2);
    s1.add(new Year(2010), 1.1);
    s1.add(new Year(2011), 2.2);
    s1.add(new Year(2012), 3.3);
    s1.add(new Year(2013), 2.5);
    assertEquals(3, s1.getItemCount());
    assertEquals(2.2, s1.getMinY(), EPSILON);
    assertEquals(3.3, s1.getMaxY(), EPSILON);
}

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

/**
 * Check that the item bounds are determined correctly after a call to
 * removeAgedItems()./*  ww w  . j ava 2 s .  c  o m*/
 */
@Test
public void testRemoveAgedItems5() {
    TimeSeries s1 = new TimeSeries("S1");
    s1.setMaximumItemAge(4);
    s1.add(new Year(2010), 1.1);
    s1.add(new Year(2011), 2.2);
    s1.add(new Year(2012), 3.3);
    s1.add(new Year(2013), 2.5);
    s1.removeAgedItems(new Year(2015).getMiddleMillisecond(), true);
    assertEquals(3, s1.getItemCount());
    assertEquals(2.2, s1.getMinY(), EPSILON);
    assertEquals(3.3, s1.getMaxY(), EPSILON);
}

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

/**
 * Some checks for the removeAgedItems() method.
 *///w  w w .  j a v a2  s  .com
public void testRemoveAgedItems() {
    TimeSeries series = new TimeSeries("Test Series");
    series.addChangeListener(this);
    assertEquals(Long.MAX_VALUE, series.getMaximumItemAge());
    assertEquals(Integer.MAX_VALUE, series.getMaximumItemCount());
    this.gotSeriesChangeEvent = false;

    // test empty series
    series.removeAgedItems(true);
    assertEquals(0, series.getItemCount());
    assertFalse(this.gotSeriesChangeEvent);

    // test series with one item
    series.add(new Year(1999), 1.0);
    series.setMaximumItemAge(0);
    this.gotSeriesChangeEvent = false;
    series.removeAgedItems(true);
    assertEquals(1, series.getItemCount());
    assertFalse(this.gotSeriesChangeEvent);

    // test series with two items
    series.setMaximumItemAge(10);
    series.add(new Year(2001), 2.0);
    this.gotSeriesChangeEvent = false;
    series.setMaximumItemAge(2);
    assertEquals(2, series.getItemCount());
    assertEquals(0, series.getIndex(new Year(1999)));
    assertFalse(this.gotSeriesChangeEvent);
    series.setMaximumItemAge(1);
    assertEquals(1, series.getItemCount());
    assertEquals(0, series.getIndex(new Year(2001)));
    assertTrue(this.gotSeriesChangeEvent);
}

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

/**
 * Some checks for the removeAgedItems(long, boolean) method.
 *///  w ww .j a  v  a 2 s .c  om
public void testRemoveAgedItems2() {
    long y2006 = 1157087372534L; // milliseconds somewhere in 2006
    TimeSeries series = new TimeSeries("Test Series");
    series.addChangeListener(this);
    assertEquals(Long.MAX_VALUE, series.getMaximumItemAge());
    assertEquals(Integer.MAX_VALUE, series.getMaximumItemCount());
    this.gotSeriesChangeEvent = false;

    // test empty series
    series.removeAgedItems(y2006, true);
    assertEquals(0, series.getItemCount());
    assertFalse(this.gotSeriesChangeEvent);

    // test a series with 1 item
    series.add(new Year(2004), 1.0);
    series.setMaximumItemAge(1);
    this.gotSeriesChangeEvent = false;
    series.removeAgedItems(new Year(2005).getMiddleMillisecond(), true);
    assertEquals(1, series.getItemCount());
    assertFalse(this.gotSeriesChangeEvent);
    series.removeAgedItems(y2006, true);
    assertEquals(0, series.getItemCount());
    assertTrue(this.gotSeriesChangeEvent);

    // test a series with two items
    series.setMaximumItemAge(2);
    series.add(new Year(2003), 1.0);
    series.add(new Year(2005), 2.0);
    assertEquals(2, series.getItemCount());
    this.gotSeriesChangeEvent = false;
    assertEquals(2, series.getItemCount());

    series.removeAgedItems(new Year(2005).getMiddleMillisecond(), true);
    assertEquals(2, series.getItemCount());
    assertFalse(this.gotSeriesChangeEvent);
    series.removeAgedItems(y2006, true);
    assertEquals(1, series.getItemCount());
    assertTrue(this.gotSeriesChangeEvent);
}

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

/**
 * Some checks for the removeAgedItems() method.
 */// w  ww  . j  a  v  a2 s .  co  m
@Test
public void testRemoveAgedItems() {
    TimeSeries series = new TimeSeries("Test Series", Year.class);
    series.addChangeListener(this);
    assertEquals(Long.MAX_VALUE, series.getMaximumItemAge());
    assertEquals(Integer.MAX_VALUE, series.getMaximumItemCount());
    this.gotSeriesChangeEvent = false;

    // test empty series
    series.removeAgedItems(true);
    assertEquals(0, series.getItemCount());
    assertFalse(this.gotSeriesChangeEvent);

    // test series with one item
    series.add(new Year(1999), 1.0);
    series.setMaximumItemAge(0);
    this.gotSeriesChangeEvent = false;
    series.removeAgedItems(true);
    assertEquals(1, series.getItemCount());
    assertFalse(this.gotSeriesChangeEvent);

    // test series with two items
    series.setMaximumItemAge(10);
    series.add(new Year(2001), 2.0);
    this.gotSeriesChangeEvent = false;
    series.setMaximumItemAge(2);
    assertEquals(2, series.getItemCount());
    assertEquals(0, series.getIndex(new Year(1999)));
    assertFalse(this.gotSeriesChangeEvent);
    series.setMaximumItemAge(1);
    assertEquals(1, series.getItemCount());
    assertEquals(0, series.getIndex(new Year(2001)));
    assertTrue(this.gotSeriesChangeEvent);
}

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

/**
 * Some checks for the removeAgedItems(long, boolean) method.
 *///w w w .j ava  2s .co  m
@Test
public void testRemoveAgedItems2() {
    long y2006 = 1157087372534L; // milliseconds somewhere in 2006
    TimeSeries series = new TimeSeries("Test Series", Year.class);
    series.addChangeListener(this);
    assertEquals(Long.MAX_VALUE, series.getMaximumItemAge());
    assertEquals(Integer.MAX_VALUE, series.getMaximumItemCount());
    this.gotSeriesChangeEvent = false;

    // test empty series
    series.removeAgedItems(y2006, true);
    assertEquals(0, series.getItemCount());
    assertFalse(this.gotSeriesChangeEvent);

    // test a series with 1 item
    series.add(new Year(2004), 1.0);
    series.setMaximumItemAge(1);
    this.gotSeriesChangeEvent = false;
    series.removeAgedItems(new Year(2005).getMiddleMillisecond(), true);
    assertEquals(1, series.getItemCount());
    assertFalse(this.gotSeriesChangeEvent);
    series.removeAgedItems(y2006, true);
    assertEquals(0, series.getItemCount());
    assertTrue(this.gotSeriesChangeEvent);

    // test a series with two items
    series.setMaximumItemAge(2);
    series.add(new Year(2003), 1.0);
    series.add(new Year(2005), 2.0);
    assertEquals(2, series.getItemCount());
    this.gotSeriesChangeEvent = false;
    assertEquals(2, series.getItemCount());

    series.removeAgedItems(new Year(2005).getMiddleMillisecond(), true);
    assertEquals(2, series.getItemCount());
    assertFalse(this.gotSeriesChangeEvent);
    series.removeAgedItems(y2006, true);
    assertEquals(1, series.getItemCount());
    assertTrue(this.gotSeriesChangeEvent);
}