de.lmu.ifi.dbs.elki.utilities.pairs
Class PairUtil.CompareSwapped<FIRST,SECOND>

java.lang.Object
  de.lmu.ifi.dbs.elki.utilities.pairs.PairUtil.CompareSwapped<FIRST,SECOND>

Type Parameters:

FIRST - first type

SECOND - second type

All Implemented Interfaces:

Comparator<Pair<FIRST,SECOND>>

Enclosing class:

PairUtil

public static class PairUtil.CompareSwapped<FIRST,SECOND>
extends Object
implements Comparator<Pair<FIRST,SECOND>>

Compare two SimplePairs based on two comparators, but by second component first.

Field Summary

private Comparator<? super FIRST>	fcomparator A comparator for type FIRST.
private Comparator<? super SECOND>	scomparator A comparator for type FIRST.

Constructor Summary

PairUtil.CompareSwapped(Comparator<? super FIRST> fcomparator, Comparator<? super SECOND> scomparator)
Provides a comparator for an Pair based on the given Comparator for type P.

Method Summary

int	compare(Pair<FIRST,SECOND> o1, Pair<FIRST,SECOND> o2) Two Objects of type Pair are compared based on the comparison of their property using the given comparators scomparator, then fcomparator.

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

Field Detail

fcomparator

private Comparator<? super FIRST> fcomparator

A comparator for type FIRST.

scomparator

private Comparator<? super SECOND> scomparator

A comparator for type FIRST.

Constructor Detail

PairUtil.CompareSwapped

public PairUtil.CompareSwapped(Comparator<? super FIRST> fcomparator,
                               Comparator<? super SECOND> scomparator)

Provides a comparator for an Pair based on the given Comparator for type P.

Parameters:

fcomparator - Comparator for the first component

scomparator - Comparator for the second component

Method Detail

compare

public int compare(Pair<FIRST,SECOND> o1,
                   Pair<FIRST,SECOND> o2)

Two Objects of type Pair are compared based on the comparison of their property using the given comparators scomparator, then fcomparator.

Specified by:

compare in interface Comparator<Pair<FIRST,SECOND>>

Parameters:

o1 - First object

o2 - Second object

Returns:

comparison result

See Also:

Comparator.compare(T, T)