edu.ucla.stat.SOCR.chart.data
Class SampleXYDataset

java.lang.Object
  org.jfree.data.general.AbstractDataset
      org.jfree.data.general.AbstractSeriesDataset
          org.jfree.data.xy.AbstractXYDataset
              edu.ucla.stat.SOCR.chart.data.SampleXYDataset

All Implemented Interfaces:

java.io.ObjectInputValidation, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, org.jfree.data.general.Dataset, org.jfree.data.general.SeriesChangeListener, org.jfree.data.general.SeriesDataset, org.jfree.data.xy.XYDataset

public class SampleXYDataset
extends org.jfree.data.xy.AbstractXYDataset
implements org.jfree.data.xy.XYDataset

A dummy dataset for an XY plot.

Note that the aim of this class is to create a self-contained data source for demo purposes - it is NOT intended to show how you should go about writing your own datasets.

See Also:

Serialized Form

Constructor Summary

SampleXYDataset()
Default constructor.

Method Summary

int	getItemCount(int series) Returns the number of items in the specified series.
int	getSeriesCount() Returns the number of series in the dataset.
java.lang.Comparable	getSeriesKey(int series) Returns the key for a series.
double	getTranslate() Returns the translation factor.
java.lang.Number	getX(int series, int item) Returns the x-value for the specified series and item.
java.lang.Number	getY(int series, int item) Returns the y-value for the specified series and item.
void	setTranslate(double translate) Sets the translation constant for the x-axis.

Methods inherited from class org.jfree.data.xy.AbstractXYDataset

getDomainOrder, getXValue, getYValue

Methods inherited from class org.jfree.data.general.AbstractSeriesDataset

indexOf, seriesChanged

Methods inherited from class org.jfree.data.general.AbstractDataset

addChangeListener, clone, fireDatasetChanged, getGroup, hasListener, notifyListeners, removeChangeListener, setGroup, validateObject

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.jfree.data.xy.XYDataset

getDomainOrder, getXValue, getYValue

Methods inherited from interface org.jfree.data.general.SeriesDataset

indexOf

Methods inherited from interface org.jfree.data.general.Dataset

addChangeListener, getGroup, removeChangeListener, setGroup

Constructor Detail

SampleXYDataset

public SampleXYDataset()

Default constructor.

Method Detail

getTranslate

public double getTranslate()

Returns the translation factor.

Returns:

the translation factor.

setTranslate

public void setTranslate(double translate)

Sets the translation constant for the x-axis.

Parameters:

translate - the translation factor.

getX

public java.lang.Number getX(int series,
                             int item)

Returns the x-value for the specified series and item. Series are numbered 0, 1, ...

Specified by:

getX in interface org.jfree.data.xy.XYDataset

Parameters:

series - the index (zero-based) of the series.

item - the index (zero-based) of the required item.

Returns:

the x-value for the specified series and item.

getY

public java.lang.Number getY(int series,
                             int item)

Returns the y-value for the specified series and item. Series are numbered 0, 1, ...

Specified by:

getY in interface org.jfree.data.xy.XYDataset

Parameters:

series - the index (zero-based) of the series.

item - the index (zero-based) of the required item.

Returns:

the y-value for the specified series and item.

getSeriesCount

public int getSeriesCount()

Returns the number of series in the dataset.

Specified by:

getSeriesCount in interface org.jfree.data.general.SeriesDataset

Specified by:

getSeriesCount in class org.jfree.data.general.AbstractSeriesDataset

Returns:

the number of series in the dataset.

getSeriesKey

public java.lang.Comparable getSeriesKey(int series)

Returns the key for a series.

Specified by:

getSeriesKey in interface org.jfree.data.general.SeriesDataset

Specified by:

getSeriesKey in class org.jfree.data.general.AbstractSeriesDataset

Parameters:

series - the index (zero-based) of the series.

Returns:

The key for the series.

getItemCount

public int getItemCount(int series)

Returns the number of items in the specified series.

Specified by:

getItemCount in interface org.jfree.data.xy.XYDataset

Parameters:

series - the index (zero-based) of the series.

Returns:

the number of items in the specified series.