net.sf.saxon.sort

Class DescendingComparer

java.lang.Object

net.sf.saxon.sort.DescendingComparer

All Implemented Interfaces:

Serializable, Comparator

public class DescendingComparer
extends Object
implements Comparator, Serializable

A Comparer used for comparing descending keys. This simply returns the inverse of the result delivered by the base comparer.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DescendingComparer(Comparator base)

Method Summary

Modifier and Type	Method and Description
int	compare(Object a, Object b) Compare 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

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

DescendingComparer

public DescendingComparer(Comparator base)

Method Detail

compare

public int compare(Object a,
                   Object b)

Compare two objects.

Specified by:

compare in interface Comparator

Returns:

<0 if a0 if a>b

Throws:

ClassCastException - if the objects are of the wrong type for this Comparer