org.carrot2.filter.trc.util
Class ArrayIndexSorter

java.lang.Object
  org.carrot2.filter.trc.util.ArrayIndexSorter

All Implemented Interfaces:

Comparator

public class ArrayIndexSorter
extends Object
implements Comparator

Wrap array of double values offering sorting capabalities for indices

Field Summary

protected boolean	ascending
protected double[]	values

Constructor Summary

ArrayIndexSorter(double[] values)
Construct primive

Method Summary

int	compare(Object o1, Object o2)
boolean	equals(Object obj)
int[]	getNonZeroIndices()
int[]	getSortedNonZeroIndices(boolean ascending)
void	sort(int[] indices, boolean ascending) Sort indices regarding values in the array.

Methods inherited from class java.lang.Object

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

Field Detail

values

protected double[] values

ascending

protected boolean ascending

Constructor Detail

ArrayIndexSorter

public ArrayIndexSorter(double[] values)

Construct primive

Parameters:

values -

Method Detail

equals

public boolean equals(Object obj)

Specified by:

equals in interface Comparator

Overrides:

equals in class Object

compare

public int compare(Object o1,
                   Object o2)

Specified by:

compare in interface Comparator

getNonZeroIndices

public int[] getNonZeroIndices()

getSortedNonZeroIndices

public int[] getSortedNonZeroIndices(boolean ascending)

sort

public void sort(int[] indices,
                 boolean ascending)

Sort indices regarding values in the array.

Parameters:

indices - indices to be sorted

ascending - indicate sort order