Package org.jfree.chart.entity

Class CategoryItemEntity

java.lang.Object

org.jfree.chart.entity.ChartEntity

org.jfree.chart.entity.CategoryItemEntity

All Implemented Interfaces:

Serializable, Cloneable, PublicCloneable

public class CategoryItemEntity
extends ChartEntity
implements Cloneable, Serializable

A chart entity that represents one item within a category plot.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
CategoryItemEntity(Shape area, String toolTipText, String urlText, CategoryDataset dataset, Comparable rowKey, Comparable columnKey)	Creates a new entity instance for an item in the specified dataset.

Method Summary

Modifier and Type	Method	Description
boolean	canEqual(Object other)	Ensures symmetry between super/subclass implementations of equals.
boolean	equals(Object obj)	Tests the entity for equality with an arbitrary object.
Comparable	getColumnKey()	Returns the column key.
CategoryDataset	getDataset()	Returns the dataset this entity refers to.
Comparable	getRowKey()	Returns the row key.
int	hashCode()	Returns a hash code for this instance.
void	setColumnKey(Comparable columnKey)	Sets the column key.
void	setDataset(CategoryDataset dataset)	Sets the dataset this entity refers to.
void	setRowKey(Comparable rowKey)	Sets the row key.
String	toString()	Returns a string representing this object (useful for debugging purposes).

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

clone, 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

CategoryItemEntity

public CategoryItemEntity(Shape area,
 String toolTipText,
 String urlText,
 CategoryDataset dataset,
 Comparable rowKey,
 Comparable columnKey)

Creates a new entity instance for an item in the specified dataset.

Parameters:

area - the 'hotspot' area (null not permitted).

toolTipText - the tool tip text.

urlText - the URL text.

dataset - the dataset (null not permitted).

rowKey - the row key (null not permitted).

columnKey - the column key (null not permitted).

Method Details

getDataset

public CategoryDataset getDataset()

Returns the dataset this entity refers to. This can be used to differentiate between items in a chart that displays more than one dataset.

Returns:

The dataset (never null).

See Also:

• setDataset(CategoryDataset)

setDataset

public void setDataset(CategoryDataset dataset)

Sets the dataset this entity refers to.

Parameters:

dataset - the dataset (null not permitted).

See Also:

• getDataset()

getRowKey

public Comparable getRowKey()

Returns the row key.

Returns:

The row key (never null).

See Also:

• setRowKey(Comparable)

setRowKey

public void setRowKey(Comparable rowKey)

Sets the row key.

Parameters:

rowKey - the row key (null not permitted).

See Also:

• getRowKey()

getColumnKey

public Comparable getColumnKey()

Returns the column key.

Returns:

The column key (never null).

See Also:

• setColumnKey(Comparable)

setColumnKey

public void setColumnKey(Comparable columnKey)

Sets the column key.

Parameters:

columnKey - the column key (null not permitted).

See Also:

• getColumnKey()

toString

public String toString()

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

Overrides:

toString in class ChartEntity

Returns:

A string (never null).

equals

public boolean equals(Object obj)

Tests the entity 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.