com.jidesoft.comparator

Class DateComparator

java.lang.Object

com.jidesoft.comparator.DateComparator

All Implemented Interfaces:

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

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

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

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DateComparator() Constructor.

Method Summary

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

DateComparator

protected DateComparator()

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 DateComparator getInstance()

Returns DateComparator singleton.

Returns:

an instance of DateComparator.

compare

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

Compares two Dates.

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.