com.jidesoft.comparator

Class CalendarComparator

java.lang.Object

com.jidesoft.comparator.CalendarComparator

All Implemented Interfaces:

java.util.Comparator<java.lang.Object>

public class CalendarComparator
extends java.lang.Object
implements java.util.Comparator<java.lang.Object>

Comparator for Calendar type. This is a singleton class. Call getInstance() to get the comparator.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CalendarComparator() Constructor.

Method Summary

Modifier and Type	Method and Description
int	compare(java.lang.Object o1, java.lang.Object o2) Compares two Calendars.
static CalendarComparator	getInstance() Returns CalendarComparator singleton.

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

CalendarComparator

protected CalendarComparator()

Constructor.

Has protected access to prevent other clients creating instances of the class ... it is stateless so we need only one instance.

Method Detail

getInstance

public static CalendarComparator getInstance()

Returns CalendarComparator singleton.

Returns:

an instance of CalendarComparator.

compare

public int compare(java.lang.Object o1,
                   java.lang.Object o2)

Compares two Calendars.

Specified by:

compare in interface java.util.Comparator<java.lang.Object>

Parameters:

o1 - the first object to be compared

o2 - the second object to be compared

Returns:

0 if a and b are equal, -1 if a is before b, 1 if a is after b.