|
|||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | ||||||||
java.lang.Objectorg.springframework.util.comparator.InvertibleComparator<T>
public class InvertibleComparator<T>
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.
| Constructor Summary | |
|---|---|
InvertibleComparator(Comparator<T> comparator)
Create an InvertibleComparator that sorts ascending by default. |
|
InvertibleComparator(Comparator<T> comparator,
boolean ascending)
Create an InvertibleComparator that sorts based on the provided order. |
|
| Method Summary | |
|---|---|
int |
compare(T o1,
T o2)
|
boolean |
equals(Object obj)
|
int |
hashCode()
|
void |
invertOrder()
Invert the sort order: ascending -> descending or descending -> ascending. |
boolean |
isAscending()
Return the sort order: ascending (true) or descending (false). |
void |
setAscending(boolean ascending)
Specify the sort order: ascending (true) or descending (false). |
String |
toString()
|
| Methods inherited from class java.lang.Object |
|---|
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
|---|
public InvertibleComparator(Comparator<T> comparator)
comparator - the comparator to decorate
public InvertibleComparator(Comparator<T> comparator,
boolean ascending)
comparator - the comparator to decorateascending - the sort order: ascending (true) or descending (false)| Method Detail |
|---|
public void setAscending(boolean ascending)
public boolean isAscending()
public void invertOrder()
public int compare(T o1,
T o2)
compare in interface Comparator<T>public boolean equals(Object obj)
equals in interface Comparator<T>equals in class Objectpublic int hashCode()
hashCode in class Objectpublic String toString()
toString in class Object
|
|||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | ||||||||