org.jfree.data
Class KeyedValueComparator

java.lang.Object
  |
  +--org.jfree.data.KeyedValueComparator

All Implemented Interfaces:

java.util.Comparator

public class KeyedValueComparator

extends java.lang.Object

implements java.util.Comparator

A utility class that can compare and order two KeyedValue instances and sort them into ascending or descending order by key or by value.

Author:

David Gilbert

Constructor Summary

KeyedValueComparator(KeyedValueComparatorType type, SortOrder order)
Creates a new comparator.

Method Summary

int	compare(java.lang.Object o1, java.lang.Object o2) Compares two KeyedValue instances and returns an int that indicates the relative order of the two objects.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

KeyedValueComparator

public KeyedValueComparator(KeyedValueComparatorType type,
                            SortOrder order)

Creates a new comparator.

Parameters:

type - the type (BY_KEY or BY_VALUE).

order - the order (ascending or descending).

Method Detail

compare

public int compare(java.lang.Object o1,
                   java.lang.Object o2)

Compares two KeyedValue instances and returns an int that indicates the relative order of the two objects.

Specified by:

compare in interface java.util.Comparator

Parameters:

o1 - object 1.

o2 - object 2.

Returns:

An int indicating the relative order of the objects.