InvertibleComparator (Spring Framework 5.1.0.RELEASE API)

java.lang.Object
- org.springframework.util.comparator.InvertibleComparator<T>

Type Parameters:

T - the type of objects that may be compared by this comparator

All Implemented Interfaces:

java.io.Serializable, java.util.Comparator<T>

Deprecated.
as of Spring Framework 5.0, in favor of the standard JDK 8 Comparator.reversed()
```
@Deprecated
public class InvertibleComparator<T>
extends java.lang.Object
implements java.util.Comparator<T>, java.io.Serializable
```
A decorator for a comparator, with an "ascending" flag denoting whether comparison results should be treated in forward (standard ascending) order or flipped for reverse (descending) order.

Since:

1.2.2

Author:

Keith Donald, Juergen Hoeller

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor and Description
`InvertibleComparator(java.util.Comparator<T> comparator)` Deprecated. Create an InvertibleComparator that sorts ascending by default.
`InvertibleComparator(java.util.Comparator<T> comparator, boolean ascending)` Deprecated. Create an InvertibleComparator that sorts based on the provided order.

Method Summary

All Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`int`	`compare(T o1, T o2)` Deprecated.
`boolean`	`equals(java.lang.Object other)` Deprecated.
`int`	`hashCode()` Deprecated.
`void`	`invertOrder()` Deprecated. Invert the sort order: ascending -> descending or descending -> ascending.
`boolean`	`isAscending()` Deprecated. Return the sort order: ascending (true) or descending (false).
`void`	`setAscending(boolean ascending)` Deprecated. Specify the sort order: ascending (true) or descending (false).
`java.lang.String`	`toString()` Deprecated.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Comparator
comparing, comparing, comparingDouble, comparingInt, comparingLong, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

- Constructor Detail
  - InvertibleComparator
```
public InvertibleComparator(java.util.Comparator<T> comparator)
```
    Deprecated.
    
    Create an InvertibleComparator that sorts ascending by default. For the actual comparison, the specified Comparator will be used.
    
    Parameters:
    
    comparator - the comparator to decorate
  - InvertibleComparator
```
public InvertibleComparator(java.util.Comparator<T> comparator,
                            boolean ascending)
```
    Deprecated.
    
    Create an InvertibleComparator that sorts based on the provided order. For the actual comparison, the specified Comparator will be used.
    
    Parameters:
    
    comparator - the comparator to decorate
    
    ascending - the sort order: ascending (true) or descending (false)
- Method Detail
  - setAscending
```
public void setAscending(boolean ascending)
```
    Deprecated.
    
    Specify the sort order: ascending (true) or descending (false).
  - isAscending
```
public boolean isAscending()
```
    Deprecated.
    
    Return the sort order: ascending (true) or descending (false).
  - invertOrder
```
public void invertOrder()
```
    Deprecated.
    
    Invert the sort order: ascending -> descending or descending -> ascending.
  - compare
```
public int compare(T o1,
                   T o2)
```
    Deprecated.
    
    Specified by:
    
    compare in interface java.util.Comparator<T>
  - equals
```
public boolean equals(java.lang.Object other)
```
    Deprecated.
    
    Specified by:
    
    equals in interface java.util.Comparator<T>
    
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Deprecated.
    
    Overrides:
    
    hashCode in class java.lang.Object
  - toString
```
public java.lang.String toString()
```
    Deprecated.
    
    Overrides:
    
    toString in class java.lang.Object

Class InvertibleComparator<T>

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface java.util.Comparator

Constructor Detail

InvertibleComparator

InvertibleComparator

Method Detail

setAscending

isAscending

invertOrder

compare

equals

hashCode

toString