Java RegularTimePeriod类代码示例

import org.jfree.data.time.RegularTimePeriod; //导入依赖的package包/类
/**
 * Serialize a time seroes chart, restore it, and check for equality.
 */
@Test
public void testSerialization4() {

    RegularTimePeriod t = new Day();
    TimeSeries series = new TimeSeries("Series 1");
    series.add(t, 36.4);
    t = t.next();
    series.add(t, 63.5);
    TimeSeriesCollection dataset = new TimeSeriesCollection();
    dataset.addSeries(series);

    JFreeChart c1 = ChartFactory.createTimeSeriesChart("Test", "Date",
            "Value", dataset);
    JFreeChart c2 = (JFreeChart) TestUtilities.serialised(c1);
    assertEquals(c1, c2);
}
 

import org.jfree.data.time.RegularTimePeriod; //导入依赖的package包/类
/**
 * Tests the equals method.
 */
public void testEquals() {
    final TimePeriodValues s1 = new TimePeriodValues("Time Series 1");
    final TimePeriodValues s2 = new TimePeriodValues("Time Series 2");
    final boolean b1 = s1.equals(s2);
    assertFalse("b1", b1);

    s2.setName("Time Series 1");
    final boolean b2 = s1.equals(s2);
    assertTrue("b2", b2);

    final RegularTimePeriod p1 = new Day();
    final RegularTimePeriod p2 = p1.next();
    s1.add(p1, 100.0);
    s1.add(p2, 200.0);
    final boolean b3 = s1.equals(s2);
    assertFalse("b3", b3);

    s2.add(p1, 100.0);
    s2.add(p2, 200.0);
    final boolean b4 = s1.equals(s2);
    assertTrue("b4", b4);

}
 

import org.jfree.data.time.RegularTimePeriod; //导入依赖的package包/类
/**
 * Creates a sample dataset.
 * 
 * @param name  the dataset name.
 * @param base  the starting value.
 * @param start  the starting period.
 * @param count  the number of values to generate.
 *
 * @return The dataset.
 */
private static XYDataset createDataset(String name, double base, 
                                       RegularTimePeriod start, int count) {

    TimeSeries series = new TimeSeries(name, start.getClass());
    RegularTimePeriod period = start;
    double value = base;
    for (int i = 0; i < count; i++) {
        series.add(period, value);    
        period = period.next();
        value = value * (1 + (Math.random() - 0.495) / 10.0);
    }

    TimeSeriesCollection dataset = new TimeSeriesCollection();
    dataset.addSeries(series);

    return dataset;

}
 

import org.jfree.data.time.RegularTimePeriod; //导入依赖的package包/类
/**
 * Creates a new axis.
 * 
 * @param label  the axis label (<code>null</code> permitted).
 * @param first  the first time period in the axis range 
 *               (<code>null</code> not permitted).
 * @param last  the last time period in the axis range 
 *              (<code>null</code> not permitted).
 * @param timeZone  the time zone (<code>null</code> not permitted).
 */
public PeriodAxis(String label, 
                  RegularTimePeriod first, RegularTimePeriod last, 
                  TimeZone timeZone) {
    
    super(label, null);
    this.first = first;
    this.last = last;
    this.timeZone = timeZone;
    this.calendar = Calendar.getInstance(timeZone);
    this.autoRangeTimePeriodClass = first.getClass();
    this.majorTickTimePeriodClass = first.getClass();
    this.minorTickMarksVisible = false;
    this.minorTickTimePeriodClass = RegularTimePeriod.downsize(
            this.majorTickTimePeriodClass);
    setAutoRange(true);
    this.labelInfo = new PeriodAxisLabelInfo[2];
    this.labelInfo[0] = new PeriodAxisLabelInfo(Month.class, 
            new SimpleDateFormat("MMM"));
    this.labelInfo[1] = new PeriodAxisLabelInfo(Year.class, 
            new SimpleDateFormat("yyyy"));
    
}
 

import org.jfree.data.time.RegularTimePeriod; //导入依赖的package包/类
/**
 * Generates a tool tip text item for a particular item within a series.
 *
 * @param data  the dataset.
 * @param series  the series number (zero-based index).
 * @param item  the item number (zero-based index).
 *
 * @return The tool tip text (possibly <code>null</code>).
 */
public String generateToolTip(XYDataset data, int series, int item) {

    String xStr, yStr;
    if (data instanceof YisSymbolic) {
        yStr = ((YisSymbolic) data).getYSymbolicValue(series, item);
    }
    else {
        double y = data.getYValue(series, item);
        yStr = Double.toString(round(y, 2));
    }
    if (data instanceof XisSymbolic) {
        xStr = ((XisSymbolic) data).getXSymbolicValue(series, item);
    }
    else if (data instanceof TimeSeriesCollection) {
        RegularTimePeriod p
            = ((TimeSeriesCollection) data).getSeries(series)
                .getTimePeriod(item);
        xStr = p.toString();
    }
    else {
        double x = data.getXValue(series, item);
        xStr = Double.toString(round(x, 2));
    }
    return "X: " + xStr + ", Y: " + yStr;
}
 

import org.jfree.data.time.RegularTimePeriod; //导入依赖的package包/类
/**
 * Creates a sample dataset.
 *
 * @param name  the dataset name.
 * @param base  the starting value.
 * @param start  the starting period.
 * @param count  the number of values to generate.
 *
 * @return The dataset.
 */
private static XYDataset createDataset(String name, double base,
                                       RegularTimePeriod start, int count) {

    TimeSeries series = new TimeSeries(name);
    RegularTimePeriod period = start;
    double value = base;
    for (int i = 0; i < count; i++) {
        series.add(period, value);
        period = period.next();
        value = value * (1 + (Math.random() - 0.495) / 10.0);
    }

    TimeSeriesCollection dataset = new TimeSeriesCollection();
    dataset.addSeries(series);

    return dataset;

}
 

import org.jfree.data.time.RegularTimePeriod; //导入依赖的package包/类
/**
 * Returns a {@link java.util.Date} corresponding to the specified position
 * within a {@link RegularTimePeriod}.
 *
 * @param period  the period.
 * @param position  the position (<code>null</code> not permitted).
 *
 * @return A date.
 */
private Date calculateDateForPosition(RegularTimePeriod period,
        DateTickMarkPosition position) {
    ParamChecks.nullNotPermitted(period, "period");
    Date result = null;
    if (position == DateTickMarkPosition.START) {
        result = new Date(period.getFirstMillisecond());
    }
    else if (position == DateTickMarkPosition.MIDDLE) {
        result = new Date(period.getMiddleMillisecond());
    }
    else if (position == DateTickMarkPosition.END) {
        result = new Date(period.getLastMillisecond());
    }
    return result;

}
 

import org.jfree.data.time.RegularTimePeriod; //导入依赖的package包/类
/**
 * Returns a {@link java.util.Date} corresponding to the specified position
 * within a {@link RegularTimePeriod}.
 *
 * @param period  the period.
 * @param position  the position ({@code null} not permitted).
 *
 * @return A date.
 */
private Date calculateDateForPosition(RegularTimePeriod period,
        DateTickMarkPosition position) {
    Args.nullNotPermitted(period, "period");
    Date result = null;
    if (position == DateTickMarkPosition.START) {
        result = new Date(period.getFirstMillisecond());
    }
    else if (position == DateTickMarkPosition.MIDDLE) {
        result = new Date(period.getMiddleMillisecond());
    }
    else if (position == DateTickMarkPosition.END) {
        result = new Date(period.getLastMillisecond());
    }
    return result;

}
 

import org.jfree.data.time.RegularTimePeriod; //导入依赖的package包/类
/**
 * Serialize a time seroes chart, restore it, and check for equality.
 */
@Test
public void testSerialization4() {

    RegularTimePeriod t = new Day();
    TimeSeries series = new TimeSeries("Series 1");
    series.add(t, 36.4);
    t = t.next();
    series.add(t, 63.5);
    TimeSeriesCollection dataset = new TimeSeriesCollection();
    dataset.addSeries(series);

    JFreeChart c1 = ChartFactory.createTimeSeriesChart("Test", "Date",
            "Value", dataset);
    JFreeChart c2 = (JFreeChart) TestUtils.serialised(c1);
    assertEquals(c1, c2);
}
 

import org.jfree.data.time.RegularTimePeriod; //导入依赖的package包/类
@Override
public JRPrintHyperlink getEntityHyperlink(ChartEntity entity)
{
	JRPrintHyperlink printHyperlink = null;
	if (hasHyperlinks() && entity instanceof XYItemEntity)
	{
		XYItemEntity itemEntity = (XYItemEntity) entity;
		TimeSeriesCollection dataset = (TimeSeriesCollection) itemEntity.getDataset();
		TimeSeries series = dataset.getSeries(itemEntity.getSeriesIndex());
		Map<RegularTimePeriod, JRPrintHyperlink> serieHyperlinks = itemHyperlinks.get(series.getKey());
		if (serieHyperlinks != null)
		{
			RegularTimePeriod timePeriod = series.getTimePeriod(itemEntity.getItem());
			printHyperlink = serieHyperlinks.get(timePeriod);
		}
	}
	return printHyperlink;
}
 

import org.jfree.data.time.RegularTimePeriod; //导入依赖的package包/类
public void nodeCompleted(Object parent) {
    TimeSeriesCollectionBuilder tsc = null;
    try {
        if(parent != null && parent instanceof TimeSeriesCollectionBuilder)
            tsc = (TimeSeriesCollectionBuilder)parent;
        if(this.series == null) {
            this.series = new TimeSeries(name, domain, range, Class.forName(timePeriodClass) );
            this.setProperties(this.series, beanMap );
        }
        if(addValue != null) {
               boolean notify = false;
               if(addValue.containsKey(("notify")))
                   notify = Boolean.valueOf((String)addValue.get("notify"));
               this.series.add((RegularTimePeriod)addValue.get("period"), ((Number)addValue.get("value")).doubleValue(), notify);
               addValue = null;
        }
        if(tsc != null)
            tsc.addSeries(this.series);
    } catch (Throwable ex) {
        logger.log(Level.WARNING, ex.getMessage(), ex);
    }
}
 

import org.jfree.data.time.RegularTimePeriod; //导入依赖的package包/类
public static TimeSeries getForecastData(TimeSeries observationData, int forcastperc) {
	TimeSeries fcdataset = new TimeSeries("Time Series Forecast");
	if (observationData.isEmpty() == true)
		return fcdataset;
	int size = observationData.getItemCount();
	long fcsize = size + Math.round( (double)size * ((double)forcastperc/100)); // new data set
	
	try {
		fcdataset = observationData.createCopy(0,size-1);
		for (int i=size; i < fcsize; i++) {
			RegularTimePeriod nexttp = fcdataset.getNextTimePeriod();
			fcdataset.add(nexttp,0.00D);
		}
	} catch (Exception e) {
		System.out.println("Exception:" + e.getLocalizedMessage());
		System.out.println("Could not create forecasted data sample");
		return fcdataset;
	}
	
	return fcdataset;
	
}
 

import org.jfree.data.time.RegularTimePeriod; //导入依赖的package包/类
/**
 * Outputs the given DataPoint to the current TimeSeries.
 * @param dataPoint the DataPoint to output to the current TimeSeries.
 */
private void output( DataPoint dataPoint, String timeVariable )
    throws InstantiationException, IllegalAccessException,
    InvocationTargetException, InstantiationException
{
    long timeValue = (long)dataPoint.getIndependentValue(timeVariable);
    
    Object[] args = new Object[1];
    args[0] = new Date( timeValue );
    RegularTimePeriod period
        = (RegularTimePeriod)timePeriodConstructor.newInstance(args);
    
    double value = dataPoint.getDependentValue();
    
    timeSeries.add( new TimeSeriesDataItem(period,value) );
}
 

import org.jfree.data.time.RegularTimePeriod; //导入依赖的package包/类
/**
 * Returns a {@link java.util.Date} corresponding to the specified position
 * within a {@link RegularTimePeriod}.
 *
 * @param period  the period.
 * @param position  the position (<code>null</code> not permitted).
 *
 * @return A date.
 */
private Date calculateDateForPosition(RegularTimePeriod period,
                                      DateTickMarkPosition position) {

    if (position == null) {
        throw new IllegalArgumentException("Null 'position' argument.");
    }
    Date result = null;
    if (position == DateTickMarkPosition.START) {
        result = new Date(period.getFirstMillisecond());
    }
    else if (position == DateTickMarkPosition.MIDDLE) {
        result = new Date(period.getMiddleMillisecond());
    }
    else if (position == DateTickMarkPosition.END) {
        result = new Date(period.getLastMillisecond());
    }
    return result;

}
 

import org.jfree.data.time.RegularTimePeriod; //导入依赖的package包/类
/**
 * Creates a new axis.
 *
 * @param label  the axis label (<code>null</code> permitted).
 * @param first  the first time period in the axis range
 *               (<code>null</code> not permitted).
 * @param last  the last time period in the axis range
 *              (<code>null</code> not permitted).
 * @param timeZone  the time zone (<code>null</code> not permitted).
 */
public PeriodAxis(String label,
                  RegularTimePeriod first, RegularTimePeriod last,
                  TimeZone timeZone) {

    super(label, null);
    this.first = first;
    this.last = last;
    this.timeZone = timeZone;
    // FIXME: this calendar may need a locale as well
    this.calendar = Calendar.getInstance(timeZone);
    this.autoRangeTimePeriodClass = first.getClass();
    this.majorTickTimePeriodClass = first.getClass();
    this.minorTickMarksVisible = false;
    this.minorTickTimePeriodClass = RegularTimePeriod.downsize(
            this.majorTickTimePeriodClass);
    setAutoRange(true);
    this.labelInfo = new PeriodAxisLabelInfo[2];
    this.labelInfo[0] = new PeriodAxisLabelInfo(Month.class,
            new SimpleDateFormat("MMM"));
    this.labelInfo[1] = new PeriodAxisLabelInfo(Year.class,
            new SimpleDateFormat("yyyy"));

}