org.jfree.data
Class DefaultTableXYDataset

java.lang.Object
  org.jfree.data.AbstractDataset
      org.jfree.data.AbstractSeriesDataset
          org.jfree.data.DefaultTableXYDataset

All Implemented Interfaces:

java.lang.Cloneable, Dataset, java.util.EventListener, java.io.ObjectInputValidation, java.io.Serializable, SeriesChangeListener, SeriesDataset, TableXYDataset, XYDataset

public class DefaultTableXYDataset

extends AbstractSeriesDataset

implements TableXYDataset

An XYDataset where every series shares the same x-values (required for generating stacked area charts).

Author:

Richard Atkinson

See Also:

Serialized Form

Constructor Summary

DefaultTableXYDataset()
Creates a new empty dataset.

DefaultTableXYDataset(XYSeries series)
Constructs a dataset and populates it with a single time series.

Method Summary

void	addSeries(XYSeries series) Adds a series to the collection.
boolean	equals(java.lang.Object obj) Tests this collection for equality with an arbitrary object.
int	getItemCount() Returns the number of X points in the Dataset.
int	getItemCount(int series) Returns the number of items in the specified series.
XYSeries	getSeries(int series) Returns a series.
int	getSeriesCount() Returns the number of series in the collection.
java.lang.String	getSeriesName(int series) Returns the name of a series.
java.lang.Number	getXValue(int series, int item) Returns the x-value for the specified series and item.
java.lang.Number	getYValue(int series, int index) Returns the y-value for the specified series and item.
void	removeAllSeries() Removes all the series from the collection.
void	removeSeries(int series) Removes a series from the collection.
void	removeSeries(XYSeries series) Removes a series from the collection.
void	seriesChanged(SeriesChangeEvent event) Called when a series belonging to the dataset changes.
void	updateXPoints() Updates XPoints for all series.

Methods inherited from class org.jfree.data.AbstractDataset

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jfree.data.Dataset

addChangeListener, getGroup, removeChangeListener, setGroup

Constructor Detail

DefaultTableXYDataset

public DefaultTableXYDataset()

Creates a new empty dataset.

DefaultTableXYDataset

public DefaultTableXYDataset(XYSeries series)

Constructs a dataset and populates it with a single time series.

Parameters:

series - the time series.

Method Detail

addSeries

public void addSeries(XYSeries series)

Adds a series to the collection.

Notifies all registered listeners that the dataset has changed.

Parameters:

series - the series.

updateXPoints

public void updateXPoints()

Updates XPoints for all series.

getSeriesCount

public int getSeriesCount()

Returns the number of series in the collection.

Specified by:

getSeriesCount in interface SeriesDataset

Specified by:

getSeriesCount in class AbstractSeriesDataset

Returns:

the number of series in the collection.

getItemCount

public int getItemCount()

Returns the number of X points in the Dataset.

Specified by:

getItemCount in interface TableXYDataset

Returns:

the number of X points in the Dataset

getSeries

public XYSeries getSeries(int series)

Returns a series.

Parameters:

series - the series (zero-based index).

Returns:

The series.

getSeriesName

public java.lang.String getSeriesName(int series)

Returns the name of a series.

Specified by:

getSeriesName in interface SeriesDataset

Specified by:

getSeriesName in class AbstractSeriesDataset

Parameters:

series - the series (zero-based index).

Returns:

the name of a series.

getItemCount

public int getItemCount(int series)

Returns the number of items in the specified series.

Specified by:

getItemCount in interface XYDataset

Parameters:

series - the series (zero-based index).

Returns:

the number of items in the specified series.

getXValue

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

Returns the x-value for the specified series and item.

Specified by:

getXValue in interface XYDataset

Parameters:

series - the series (zero-based index).

item - the item (zero-based index).

Returns:

the x-value for the specified series and item.

getYValue

public java.lang.Number getYValue(int series,
                                  int index)

Returns the y-value for the specified series and item.

Specified by:

getYValue in interface XYDataset

Parameters:

series - the series (zero-based index).

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

Returns:

the y-value for the specified series and item.

removeAllSeries

public void removeAllSeries()

Removes all the series from the collection.

Notifies all registered listeners that the dataset has changed.

removeSeries

public void removeSeries(XYSeries series)

Removes a series from the collection.

Notifies all registered listeners that the dataset has changed.

Parameters:

series - the series.

removeSeries

public void removeSeries(int series)

Removes a series from the collection.

Notifies all registered listeners that the dataset has changed.

Parameters:

series - the series (zero based index).

seriesChanged

public void seriesChanged(SeriesChangeEvent event)

Called when a series belonging to the dataset changes.

Specified by:

seriesChanged in interface SeriesChangeListener

Overrides:

seriesChanged in class AbstractSeriesDataset

Parameters:

event - information about the change.

equals

public boolean equals(java.lang.Object obj)

Tests this collection for equality with an arbitrary object.

Parameters:

obj - the object (null permitted).

Returns:

A boolean.