org.jasig.portal.utils
Class ComparableExtractingComparator<T,C extends Comparable<C>>

java.lang.Object
  org.jasig.portal.utils.ComparableExtractingComparator<T,C>

All Implemented Interfaces:

Comparator<T>

public abstract class ComparableExtractingComparator<T,C extends Comparable<C>>
extends Object
implements Comparator<T>

Base comparator that is used for comparing two objects that are not directly comparable. Implementations have a custom getComparable(Object) method that returns an appropriate Comparable for the object.

Version:

$Revision: 21095 $

Author:

Eric Dalquist

Constructor Summary

ComparableExtractingComparator()

ComparableExtractingComparator(Comparator<C> comparator)

Method Summary

int	compare(T o1, T o2)
protected abstract C	getComparable(T o)

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

equals

Constructor Detail

ComparableExtractingComparator

public ComparableExtractingComparator()

ComparableExtractingComparator

public ComparableExtractingComparator(Comparator<C> comparator)

Method Detail

compare

public final int compare(T o1,
                         T o2)

Specified by:

compare in interface Comparator<T>

getComparable

protected abstract C getComparable(T o)