org.chenillekit.tapestry.core.utils
Class XYDataItem

java.lang.Object
  org.chenillekit.tapestry.core.utils.XYDataItem

All Implemented Interfaces:

Serializable, Comparable

public class XYDataItem
extends Object
implements Serializable, Comparable

Version:

$Id: XYDataItem.java 670 2010-07-19 09:22:02Z mlusetti $

See Also:

Serialized Form

Constructor Summary

XYDataItem(Number xValue, Number yValue)
Constructs a new data item.

Method Summary

int	compareTo(Object o1) Returns an integer indicating the order of this object relative to another object.
boolean	equals(Object obj) Tests if this object is equal to another.
Number	getXValue() Returns the x-value.
Number	getYValue() Returns the y-value.
int	hashCode() Returns a hash code.
void	setXValue(Number xValue) Sets the x-value for this data item.
void	setYValue(Number yValue) Sets the y-value for this data item.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

XYDataItem

public XYDataItem(Number xValue,
                  Number yValue)

Constructs a new data item.

Parameters:

xValue - the x-value.

yValue - the y-value.

Method Detail

getXValue

public Number getXValue()

Returns the x-value.

Returns:

The x-value.

getYValue

public Number getYValue()

Returns the y-value.

Returns:

The y-value.

setYValue

public void setYValue(Number yValue)

Sets the y-value for this data item.

Parameters:

yValue - the new y-value.

setXValue

public void setXValue(Number xValue)

Sets the x-value for this data item.

Parameters:

xValue - the new x-value.

equals

public boolean equals(Object obj)

Tests if this object is equal to another.

Overrides:

equals in class Object

Parameters:

obj - the object to test against for equality (null permitted).

Returns:

A boolean.

hashCode

public int hashCode()

Returns a hash code.

Overrides:

hashCode in class Object

Returns:

A hash code.

compareTo

public int compareTo(Object o1)

Returns an integer indicating the order of this object relative to another object.

For the order we consider only the x-value: negative == "less-than", zero == "equal", positive == "greater-than".

Specified by:

compareTo in interface Comparable

Parameters:

o1 - the object being compared to.

Returns:

An integer indicating the order of this data pair object relative to another object.

toString

public String toString()

Overrides:

toString in class Object