org.zkoss.zul

Class ArrayComparator<E>

java.lang.Object

org.zkoss.zul.ArrayComparator<E>

All Implemented Interfaces:

Serializable, Comparator<E>

public class ArrayComparator<E>
extends Object
implements Comparator<E>, 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

Constructors

Constructor and Description
ArrayComparator(int index, boolean ascending) The constructor.

Method Summary

Modifier and Type	Method and Description
int	compare(E o1, E o2)
boolean	equals(Object o)
int	getIndex() Returns the index of the element.
int	hashCode()
boolean	isAscending() Returns whether the sorting is ascending.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, 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

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 Comparator<E>

getIndex

public int getIndex()

Returns the index of the element.

isAscending

public boolean isAscending()

Returns whether the sorting is ascending.

equals

public boolean equals(Object o)

Specified by:

equals in interface Comparator<E>

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object