Package org.jfree.chart.entity

Class LegendItemEntity

java.lang.Object

org.jfree.chart.entity.ChartEntity

org.jfree.chart.entity.LegendItemEntity

All Implemented Interfaces:

Serializable, Cloneable, PublicCloneable

public class LegendItemEntity
extends ChartEntity
implements Cloneable, Serializable

An entity that represents an item within a legend.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
LegendItemEntity(Shape area)	Creates a legend item entity.

Method Summary

Modifier and Type	Method	Description
boolean	canEqual(Object other)	Ensures symmetry between super/subclass implementations of equals.
Object	clone()	Returns a clone of the entity.
boolean	equals(Object obj)	Tests this object for equality with an arbitrary object.
Dataset	getDataset()	Returns a reference to the dataset that this legend item is derived from.
Comparable	getSeriesKey()	Returns the series key that identifies the legend item.
int	hashCode()	Returns a hash code for this instance.
void	setDataset(Dataset dataset)	Sets a reference to the dataset that this legend item is derived from.
void	setSeriesKey(Comparable key)	Sets the key for the series.
String	toString()	Returns a string representing this object (useful for debugging purposes).

Methods inherited from class org.jfree.chart.entity.ChartEntity

getArea, getImageMapAreaTag, getShapeCoords, getShapeType, getToolTipText, getURLText, setArea, setToolTipText, setURLText

Methods inherited from class java.lang.Object

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

Constructor Details

LegendItemEntity

public LegendItemEntity(Shape area)

Creates a legend item entity.

Parameters:

area - the area.

Method Details

getDataset

public Dataset getDataset()

Returns a reference to the dataset that this legend item is derived from.

Returns:

The dataset.

See Also:

• setDataset(Dataset)

setDataset

public void setDataset(Dataset dataset)

Sets a reference to the dataset that this legend item is derived from.

Parameters:

dataset - the dataset.

getSeriesKey

public Comparable getSeriesKey()

Returns the series key that identifies the legend item.

Returns:

The series key.

See Also:

• setSeriesKey(Comparable)

setSeriesKey

public void setSeriesKey(Comparable key)

Sets the key for the series.

Parameters:

key - the key.

See Also:

• getSeriesKey()

equals

public boolean equals(Object obj)

Tests this object for equality with an arbitrary object.

Overrides:

equals in class ChartEntity

Parameters:

obj - the object (null permitted).

Returns:

A boolean.

canEqual

public boolean canEqual(Object other)

Ensures symmetry between super/subclass implementations of equals. For more detail, see http://jqno.nl/equalsverifier/manual/inheritance.

Overrides:

canEqual in class ChartEntity

Parameters:

other - Object

Returns:

true ONLY if the parameter is THIS class type

hashCode

public int hashCode()

Description copied from class: ChartEntity

Returns a hash code for this instance.

Overrides:

hashCode in class ChartEntity

Returns:

A hash code.

clone

public Object clone()
             throws CloneNotSupportedException

Returns a clone of the entity.

Specified by:

clone in interface PublicCloneable

Overrides:

clone in class ChartEntity

Returns:

A clone.

Throws:

CloneNotSupportedException - if there is a problem cloning the object.

toString

public String toString()

Returns a string representing this object (useful for debugging purposes).

Overrides:

toString in class ChartEntity

Returns:

A string (never null).