KeyedValueComparator

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

All Implemented Interfaces:

java.io.Serializable, java.util.Comparator
```
public class KeyedValueComparator
extends java.lang.Object
implements java.util.Comparator, java.io.Serializable
```
A utility class that can compare and order two KeyedValue instances and sort them into ascending or descending order by key or by value.

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

private SortOrder order
The sort order.

private KeyedValueComparatorType type
The comparator type.

Constructor Summary

Constructors
Constructor Description

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

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`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.
`SortOrder`	`getOrder()`	Returns the sort order.
`KeyedValueComparatorType`	`getType()`	Returns the type.

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, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

- Field Detail
  - type
```
private KeyedValueComparatorType type
```
    The comparator type.
  - order
```
private SortOrder order
```
    The sort order.
- Constructor Detail
  - KeyedValueComparator
```
public KeyedValueComparator(KeyedValueComparatorType type,
                            SortOrder order)
```
    Creates a new comparator.
    
    Parameters:
    
    type - the type (BY_KEY or BY_VALUE, null not permitted).
    
    order - the order (null not permitted).
- Method Detail
  - getType
```
public KeyedValueComparatorType getType()
```
    Returns the type.
    
    Returns:
    
    The type (never null).
  - getOrder
```
public SortOrder getOrder()
```
    Returns the sort order.
    
    Returns:
    
    The sort order (never null).
  - 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.