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

Introduction

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

Prototype

public void setMaximumItemCount(int maximum) 

Source Link

Document

Sets the maximum number of items that will be retained in the series.

Usage

From source file:org.jfree.chart.demo.PerformanceTest1.java

public static void main4(String as[]) {
    TimeSeries timeseries = new TimeSeries("Test");
    timeseries.setMaximumItemCount(4000);
    FixedMillisecond fixedmillisecond = new FixedMillisecond();
    for (int i = 0; i < 40000; i++) {
        long l = System.currentTimeMillis();
        for (int j = 0; j < 400; j++) {
            fixedmillisecond = (FixedMillisecond) fixedmillisecond.next();
            timeseries.add(fixedmillisecond, Math.random());
        }//from w  w w .j  a  va 2s.  c o  m

        long l1 = System.currentTimeMillis();
        System.out.println(i + " --> " + (l1 - l) + " (" + Runtime.getRuntime().freeMemory() + " / "
                + Runtime.getRuntime().totalMemory() + ")");
    }

}

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From source file:pt.lsts.neptus.console.plugins.AirOSPeers.java

private void process(Station station) {
    String name = nameOf(station);

    TimeSeries ts = tsc.getSeries(name);
    if (ts == null) {
        ts = new TimeSeries(name);
        ts.setMaximumItemCount(250);
        tsc.addSeries(ts);/*  www.  j av  a  2 s . com*/
    }
    ts.addOrUpdate(new Millisecond(new Date(System.currentTimeMillis())), station.ccq);
    if (logToDisk) {
        RSSI rssi = new RSSI();
        rssi.setValue(station.ccq);
        rssi.setSrcEnt(entityOf(name + " wifi"));
        rssi.setSrc(ImcMsgManager.getManager().getLocalId().intValue());
        rssi.setDst(65535);
        LsfMessageLogger.log(rssi);
    }
}

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From source file:org.streamspinner.harmonica.application.CQGraphTerminal.java

private TimeSeries updateTimeSeries(String name, int col, double val) {
    TimeSeries ts = c.getSeries(name);

    if (ts == null) {
        ts = new TimeSeries(name, Millisecond.class);
        ts.setMaximumItemCount(100);
        col_series_map.put(col, ts);//from w  w w.  ja v  a2s.c  o  m
        c.addSeries(ts);
    }

    if (Double.isNaN(val)) {
        ts.add(getMillisecond(), null);
    } else {
        ts.add(getMillisecond(), val);
    }
    return ts;
}

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From source file:org.openiot.gsn.vsensor.ChartVirtualSensor.java

/**
 * This method adds the specified stream elements to the timeSeries of the
 * appropriate plot.//from w  w w .  j  a v  a2  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));
            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;
}

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From source file:gsn.vsensor.ChartVirtualSensor.java

/**
 * This method adds the specified stream elements to the timeSeries of the
 * appropriate plot./*from  w  w w  .  j  a va  2s.co 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;
}

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

/**
 * Test the add branch of the addOrUpdate() method.
 *///from  ww w .ja va 2  s .co m
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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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 and a new value is added.
 *//* w  ww .  j a  v  a2 s.c om*/
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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From source file:org.jfree.data.time.junit.TimeSeriesTest.java

/**
 * Some checks for the addOrUpdate() method.
 *//* ww  w .  ja v a2  s .com*/
public void testAddOrUpdate() {
    TimeSeries s1 = new TimeSeries("S1");
    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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From source file:org.jfree.data.time.TimeSeriesTest.java

/**
 * Test the add branch of the addOrUpdate() method.
 *//*from   w  ww .j  a  v  a2 s  .  co m*/
@Test
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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From source file:org.jfree.data.time.TimeSeriesTest.java

/**
 * Check that the item bounds are determined correctly when there is a
 * maximum item count and a new value is added.
 *///from w  ww. j av a 2  s  . c o  m
@Test
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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