Package org.jfree.data.time

Class TimePeriodValuesCollection

java.lang.Object

org.jfree.data.general.AbstractDataset

org.jfree.data.general.AbstractSeriesDataset

org.jfree.data.xy.AbstractXYDataset

org.jfree.data.xy.AbstractIntervalXYDataset

org.jfree.data.time.TimePeriodValuesCollection

All Implemented Interfaces:

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

public class TimePeriodValuesCollection
extends AbstractIntervalXYDataset
implements IntervalXYDataset, DomainInfo, java.io.Serializable

A collection of TimePeriodValues objects.

This class implements the XYDataset interface, as well as the extended IntervalXYDataset interface. This makes it a convenient dataset for use with the XYPlot class.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.List	data	Storage for the time series.
private static long	serialVersionUID	For serialization.
private TimePeriodAnchor	xPosition	The position within a time period to return as the x-value (START, MIDDLE or END).

Constructor Summary

Constructors

Constructor	Description
TimePeriodValuesCollection()	Constructs an empty dataset.
TimePeriodValuesCollection(TimePeriodValues series)	Constructs a dataset containing a single series.

Method Summary

Modifier and Type	Method	Description
void	addSeries(TimePeriodValues series)	Adds a series to the collection.
boolean	equals(java.lang.Object obj)	Tests this instance for equality with an arbitrary object.
Range	getDomainBounds(boolean includeInterval)	Returns the range of the values in this dataset's domain.
double	getDomainLowerBound(boolean includeInterval)	Returns the minimum x-value in the dataset.
double	getDomainUpperBound(boolean includeInterval)	Returns the maximum x-value in the dataset.
java.lang.Number	getEndX(int series, int item)	Returns the ending X value for the specified series and item.
java.lang.Number	getEndY(int series, int item)	Returns the ending Y value for the specified series and item.
int	getItemCount(int series)	Returns the number of items in the specified series.
TimePeriodValues	getSeries(int series)	Returns a series.
int	getSeriesCount()	Returns the number of series in the collection.
java.lang.Comparable	getSeriesKey(int series)	Returns the key for a series.
java.lang.Number	getStartX(int series, int item)	Returns the starting X value for the specified series and item.
java.lang.Number	getStartY(int series, int item)	Returns the starting Y value for the specified series and item.
java.lang.Number	getX(int series, int item)	Returns the x-value for the specified series and item.
private long	getX(TimePeriod period)	Returns the x-value for a time period.
TimePeriodAnchor	getXPosition()	Returns the position of the X value within each time period.
java.lang.Number	getY(int series, int item)	Returns the y-value for the specified series and item.
void	removeSeries(int index)	Removes a series from the collection.
void	removeSeries(TimePeriodValues series)	Removes the specified series from the collection.
void	setXPosition(TimePeriodAnchor position)	Sets the position of the x axis within each time period.

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

getEndXValue, getEndYValue, getStartXValue, getStartYValue

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, canEqual, clone, fireDatasetChanged, getGroup, getNotify, hashCode, hasListener, notifyListeners, removeChangeListener, setGroup, setNotify, validateObject

Methods inherited from class java.lang.Object

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

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

addChangeListener, getGroup, removeChangeListener, setGroup

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

getEndXValue, getEndYValue, getStartXValue, getStartYValue

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

indexOf

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

getDomainOrder, getXValue, getYValue

Field Detail

serialVersionUID

private static final long serialVersionUID

For serialization.

See Also:

Constant Field Values

data

private java.util.List data

Storage for the time series.

xPosition

private TimePeriodAnchor xPosition

The position within a time period to return as the x-value (START, MIDDLE or END).

Constructor Detail

TimePeriodValuesCollection

public TimePeriodValuesCollection()

Constructs an empty dataset.

TimePeriodValuesCollection

public TimePeriodValuesCollection(TimePeriodValues series)

Constructs a dataset containing a single series. Additional series can be added.

Parameters:

series - the series (null ignored).

Method Detail

getXPosition

public TimePeriodAnchor getXPosition()

Returns the position of the X value within each time period.

Returns:

The position (never null).

See Also:

setXPosition(TimePeriodAnchor)

setXPosition

public void setXPosition(TimePeriodAnchor position)

Sets the position of the x axis within each time period.

Parameters:

position - the position (null not permitted).

See Also:

getXPosition()

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 series count.

getSeries

public TimePeriodValues getSeries(int series)

Returns a series.

Parameters:

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

Returns:

The series.

getSeriesKey

public java.lang.Comparable getSeriesKey(int series)

Returns the key for a series.

Specified by:

getSeriesKey in interface SeriesDataset

Specified by:

getSeriesKey in class AbstractSeriesDataset

Parameters:

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

Returns:

The key for a series.

addSeries

public void addSeries(TimePeriodValues series)

Adds a series to the collection. A DatasetChangeEvent is sent to all registered listeners.

Parameters:

series - the time series.

removeSeries

public void removeSeries(TimePeriodValues series)

Removes the specified series from the collection.

Parameters:

series - the series to remove (null not permitted).

removeSeries

public void removeSeries(int index)

Removes a series from the collection.

Parameters:

index - the series index (zero-based).

getItemCount

public int getItemCount(int series)

Returns the number of items in the specified series.

This method is provided for convenience.

Specified by:

getItemCount in interface XYDataset

Parameters:

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

Returns:

The number of items in the specified series.

getX

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

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

Specified by:

getX 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.

getX

private long getX(TimePeriod period)

Returns the x-value for a time period.

Parameters:

period - the time period.

Returns:

The x-value.

getStartX

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

Returns the starting X value for the specified series and item.

Specified by:

getStartX in interface IntervalXYDataset

Parameters:

series - the series (zero-based index).

item - the item (zero-based index).

Returns:

The starting X value for the specified series and item.

getEndX

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

Returns the ending X value for the specified series and item.

Specified by:

getEndX in interface IntervalXYDataset

Parameters:

series - the series (zero-based index).

item - the item (zero-based index).

Returns:

The ending 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.

Specified by:

getY in interface XYDataset

Parameters:

series - the series (zero-based index).

item - the item (zero-based index).

Returns:

The y-value for the specified series and item.

getStartY

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

Returns the starting Y value for the specified series and item.

Specified by:

getStartY in interface IntervalXYDataset

Parameters:

series - the series (zero-based index).

item - the item (zero-based index).

Returns:

The starting Y value for the specified series and item.

getEndY

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

Returns the ending Y value for the specified series and item.

Specified by:

getEndY in interface IntervalXYDataset

Parameters:

series - the series (zero-based index).

item - the item (zero-based index).

Returns:

The ending Y value for the specified series and item.

getDomainLowerBound

public double getDomainLowerBound(boolean includeInterval)

Returns the minimum x-value in the dataset.

Specified by:

getDomainLowerBound in interface DomainInfo

Parameters:

includeInterval - a flag that determines whether or not the x-interval is taken into account.

Returns:

The minimum value.

getDomainUpperBound

public double getDomainUpperBound(boolean includeInterval)

Returns the maximum x-value in the dataset.

Specified by:

getDomainUpperBound in interface DomainInfo

Parameters:

includeInterval - a flag that determines whether or not the x-interval is taken into account.

Returns:

The maximum value.

getDomainBounds

public Range getDomainBounds(boolean includeInterval)

Returns the range of the values in this dataset's domain.

Specified by:

getDomainBounds in interface DomainInfo

Parameters:

includeInterval - a flag that determines whether or not the x-interval is taken into account.

Returns:

The range.

equals

public boolean equals(java.lang.Object obj)

Tests this instance for equality with an arbitrary object.

Overrides:

equals in class AbstractDataset

Parameters:

obj - the object (null permitted).

Returns:

A boolean.