org.databene.commons.comparator
Class ComparatorChain<E>

java.lang.Object
  org.databene.commons.comparator.ComparatorChain<E>

All Implemented Interfaces:

java.util.Comparator<E>

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

Delegates comparation to a chain of comparators. They are evaluated consecutively and the first result that is not zero is returned. If all used Comparators return zero, zero is returned as the comparation result. You can use this, e.g. for ordering objects by attributes of different priority, e.g. country, city.

Created: 22.05.2007 18:16:15

Author:

Volker Bergmann

Constructor Summary

ComparatorChain(java.util.Comparator<E>... comparators)

Method Summary

int	compare(E e1, E e2)

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

ComparatorChain

public ComparatorChain(java.util.Comparator<E>... comparators)

Method Detail

compare

public int compare(E e1,
                   E e2)

Specified by:

compare in interface java.util.Comparator<E>