org.jfree.data

Class ComparableObjectItem

java.lang.Object

org.jfree.data.ComparableObjectItem

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.lang.Comparable

Direct Known Subclasses:

OHLCItem, VectorDataItem, XIntervalDataItem, XYIntervalDataItem, YIntervalDataItem

public class ComparableObjectItem
extends java.lang.Object
implements java.lang.Cloneable, java.lang.Comparable, java.io.Serializable

Represents one (Comparable, Object) data item for use in a ComparableObjectSeries.

Since:

1.0.3

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ComparableObjectItem(java.lang.Comparable x, java.lang.Object y) Constructs a new data item.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	clone() Returns a clone of this object.
int	compareTo(java.lang.Object o1) Returns an integer indicating the order of this object relative to another object.
boolean	equals(java.lang.Object obj) Tests if this object is equal to another.
int	hashCode() Returns a hash code.

Methods inherited from class java.lang.Object

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

Constructor Detail

ComparableObjectItem

public ComparableObjectItem(java.lang.Comparable x,
                            java.lang.Object y)

Constructs a new data item.

Parameters:

x - the x-value (null NOT permitted).

y - the y-value (null permitted).

Method Detail

compareTo

public int compareTo(java.lang.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 java.lang.Comparable

Parameters:

o1 - the object being compared to.

Returns:

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

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Returns a clone of this object.

Overrides:

clone in class java.lang.Object

Returns:

A clone.

Throws:

java.lang.CloneNotSupportedException - not thrown by this class, but subclasses may differ.

equals

public boolean equals(java.lang.Object obj)

Tests if this object is equal to another.

Overrides:

equals in class java.lang.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 java.lang.Object

Returns:

A hash code.