Package org.apache.arrow.vector.complex

Class EmptyValuePopulator

java.lang.Object

org.apache.arrow.vector.complex.EmptyValuePopulator

public class EmptyValuePopulator
extends Object

A helper class that is used to track and populate empty values in repeated value vectors.

Constructor Summary

Constructors

Constructor	Description
EmptyValuePopulator(UInt4Vector offsets)

Method Summary

Modifier and Type	Method	Description
void	populate(int lastIndex)	Marks all values since the last set as empty.

Methods inherited from class java.lang.Object

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

Constructor Details

EmptyValuePopulator

public EmptyValuePopulator(UInt4Vector offsets)

Method Details

populate

public void populate(int lastIndex)

Marks all values since the last set as empty. The last set value is obtained from underlying offsets vector.

Parameters:

lastIndex - the last index (inclusive) in the offsets vector until which empty population takes place

Throws:

IndexOutOfBoundsException - if lastIndex is negative or greater than offsets capacity.