org.apache.xpath.objects
Class Comparator

java.lang.Object
  org.apache.xpath.objects.Comparator

Direct Known Subclasses:

EqualComparator, GreaterThanComparator, GreaterThanOrEqualComparator, LessThanComparator, LessThanOrEqualComparator, NotEqualComparator

abstract class Comparator

extends Object

compares nodes for various boolean operations.

Constructor Summary

(package private)

Comparator()

Method Summary

(package private) abstract boolean	compareNumbers(double n1, double n2) Compare two numbers
(package private) abstract boolean	compareStrings(XMLString s1, XMLString s2) Compare two strings

Methods inherited from class java.lang.Object

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

Constructor Detail

Comparator

Comparator()

Method Detail

compareStrings

abstract boolean compareStrings(XMLString s1,
                                XMLString s2)

Compare two strings

Parameters:

s1 - First string to compare

s2 - Second String to compare

Returns:

Whether the strings are equal or not

compareNumbers

abstract boolean compareNumbers(double n1,
                                double n2)

Compare two numbers

Parameters:

n1 - First number to compare

n2 - Second number to compare

Returns:

Whether the numbers are equal or not