Module org.jfree.chart

Package org.jfree.chart.plot

Class CategoryMarker

java.lang.Object

org.jfree.chart.plot.Marker

org.jfree.chart.plot.CategoryMarker

All Implemented Interfaces:

Serializable, Cloneable

public class CategoryMarker
extends Marker
implements Cloneable, Serializable

A marker for a category.

Note that for serialization to work correctly, the category key must be an instance of a serializable class.

See Also:

CategoryPlot.addDomainMarker(CategoryMarker), Serialized Form

Constructor Summary

Constructors

Constructor	Description
CategoryMarker(Comparable<?> key)	Creates a new category marker for the specified category.
CategoryMarker(Comparable<?> key, Paint paint, Stroke stroke)	Creates a new category marker.
CategoryMarker(Comparable<?> key, Paint paint, Stroke stroke, Paint outlinePaint, Stroke outlineStroke, float alpha)	Creates a new category marker.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)	Tests the marker for equality with an arbitrary object.
boolean	getDrawAsLine()	Returns the flag that controls whether the marker is drawn as a region or a line.
Comparable<?>	getKey()	Returns the key.
int	hashCode()	Returns a hash code for this instance.
void	setDrawAsLine(boolean drawAsLine)	Sets the flag that controls whether the marker is drawn as a region or as a line, and sends a MarkerChangeEvent to all registered listeners.
void	setKey(Comparable<?> key)	Sets the key and sends a MarkerChangeEvent to all registered listeners.

Methods inherited from class org.jfree.chart.plot.Marker

addChangeListener, clone, getAlpha, getLabel, getLabelAnchor, getLabelBackgroundColor, getLabelFont, getLabelOffset, getLabelOffsetType, getLabelPaint, getLabelTextAnchor, getListeners, getOutlinePaint, getOutlineStroke, getPaint, getStroke, notifyListeners, removeChangeListener, setAlpha, setLabel, setLabelAnchor, setLabelBackgroundColor, setLabelFont, setLabelOffset, setLabelOffsetType, setLabelPaint, setLabelTextAnchor, setOutlinePaint, setOutlineStroke, setPaint, setStroke

Methods inherited from class java.lang.Object

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

Constructor Detail

CategoryMarker

public CategoryMarker(Comparable<?> key)

Creates a new category marker for the specified category.

Parameters:

key - the category key.

CategoryMarker

public CategoryMarker(Comparable<?> key,
                      Paint paint,
                      Stroke stroke)

Creates a new category marker.

Parameters:

key - the key.

paint - the paint (null not permitted).

stroke - the stroke (null not permitted).

CategoryMarker

public CategoryMarker(Comparable<?> key,
                      Paint paint,
                      Stroke stroke,
                      Paint outlinePaint,
                      Stroke outlineStroke,
                      float alpha)

Creates a new category marker.

Parameters:

key - the key.

paint - the paint (null not permitted).

stroke - the stroke (null not permitted).

outlinePaint - the outline paint (null permitted).

outlineStroke - the outline stroke (null permitted).

alpha - the alpha transparency.

Method Detail

getKey

public Comparable<?> getKey()

Returns the key.

Returns:

The key.

setKey

public void setKey(Comparable<?> key)

Sets the key and sends a MarkerChangeEvent to all registered listeners.

Parameters:

key - the key (null not permitted).

getDrawAsLine

public boolean getDrawAsLine()

Returns the flag that controls whether the marker is drawn as a region or a line.

Returns:

A line.

setDrawAsLine

public void setDrawAsLine(boolean drawAsLine)

Sets the flag that controls whether the marker is drawn as a region or as a line, and sends a MarkerChangeEvent to all registered listeners.

Parameters:

drawAsLine - the flag.

equals

public boolean equals(Object obj)

Tests the marker for equality with an arbitrary object.

Overrides:

equals in class Marker

Parameters:

obj - the object (null permitted).

Returns:

A boolean.

hashCode

public int hashCode()

Returns a hash code for this instance.

Overrides:

hashCode in class Marker

Returns:

A hash code.