org.zkoss.zul
Class ArrayComparator<E>

java.lang.Object
  org.zkoss.zul.ArrayComparator<E>

All Implemented Interfaces:

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

public class ArrayComparator<E>
extends java.lang.Object
implements java.util.Comparator<E>, java.io.Serializable

Compares the specified element of the array. It assumes the data passed to compare(E, E) is an array, and it compares the n-th element, where n is passed in the constructor, ArrayComparator(int, boolean) (the index parameter). It also assumes the element must implement Comparable.

Since:

5.0.6

Author:

tomyeh

See Also:

Serialized Form

Constructor Summary

ArrayComparator(int index, boolean ascending)
The constructor.

Method Summary

int	compare(E o1, E o2)
int	getIndex() Returns the index of the element.
boolean	isAscending() Returns whether the sorting is ascending.

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

ArrayComparator

public ArrayComparator(int index,
                       boolean ascending)

The constructor.

Parameters:

index - which index of an array to compare

ascending - whether to sort as ascending (or descending).

Method Detail

compare

public int compare(E o1,
                   E o2)

Specified by:

compare in interface java.util.Comparator<E>

getIndex

public int getIndex()

Returns the index of the element.

isAscending

public boolean isAscending()

Returns whether the sorting is ascending.