structure
Class NaturalComparator

java.lang.Object
  structure.NaturalComparator

All Implemented Interfaces:

java.util.Comparator

public class NaturalComparator
extends java.lang.Object
implements java.util.Comparator

Constructor Summary

NaturalComparator()

Method Summary

int	compare(java.lang.Object a, java.lang.Object b) Compare two values, a and b.
boolean	equals(java.lang.Object b) Returns true if the other object is a NaturalComparator.

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NaturalComparator

public NaturalComparator()

Method Detail

compare

public int compare(java.lang.Object a,
                   java.lang.Object b)

Compare two values, a and b. Simply calls the default compareTo method for a on b.

Specified by:

compare in interface java.util.Comparator

Parameters:

a - object performing the compare

b - the object being compared

Returns:

value <, ==, > 0 if a <, ==, > b using a.compareTo

Precondition:

a, b non-null, and b is same type as a

Postcondition:

returns value <, ==, > 0 if a <, ==, > b

equals

public boolean equals(java.lang.Object b)

Returns true if the other object is a NaturalComparator.

Specified by:

equals in interface java.util.Comparator

Overrides:

equals in class java.lang.Object

Parameters:

b - a possible NaturalComparator

Returns:

true if b is a NaturalComparator

Postcondition:

returns true if b is a NaturalComparator