org.apache.arrow.algorithm.sort

Class VariableWidthOutOfPlaceVectorSorter<V extends BaseVariableWidthVector>

java.lang.Object

org.apache.arrow.algorithm.sort.VariableWidthOutOfPlaceVectorSorter<V>

Type Parameters:

V - vector type.

All Implemented Interfaces:

OutOfPlaceVectorSorter<V>

public class VariableWidthOutOfPlaceVectorSorter<V extends BaseVariableWidthVector>
extends Object
implements OutOfPlaceVectorSorter<V>

Default sorter for variable-width vectors. It is an out-of-place sort, with time complexity O(n*log(n)).

Field Summary

Fields

Modifier and Type	Field and Description
protected IndexSorter<V>	indexSorter

Constructor Summary

Constructors

Constructor and Description
VariableWidthOutOfPlaceVectorSorter()

Method Summary

Modifier and Type	Method and Description
void	sortOutOfPlace(V srcVector, V dstVector, VectorValueComparator<V> comparator) Sort a vector out-of-place.

Methods inherited from class java.lang.Object

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

Field Detail

indexSorter

protected IndexSorter<V extends BaseVariableWidthVector> indexSorter

Constructor Detail

VariableWidthOutOfPlaceVectorSorter

public VariableWidthOutOfPlaceVectorSorter()

Method Detail

sortOutOfPlace

public void sortOutOfPlace(V srcVector,
                           V dstVector,
                           VectorValueComparator<V> comparator)

Description copied from interface: OutOfPlaceVectorSorter

Sort a vector out-of-place.

Specified by:

sortOutOfPlace in interface OutOfPlaceVectorSorter<V extends BaseVariableWidthVector>

Parameters:

srcVector - the input vector.

dstVector - the output vector, which has the same size as the input vector.

comparator - the criteria for sort.