org.apache.hadoop.hive.ql.exec.vector.keyseries

Class VectorKeySeriesSingleImpl

java.lang.Object

org.apache.hadoop.hive.ql.exec.vector.keyseries.VectorKeySeriesImpl

org.apache.hadoop.hive.ql.exec.vector.keyseries.VectorKeySeriesSingleImpl

All Implemented Interfaces:

VectorKeySeries

Direct Known Subclasses:

VectorKeySeriesSerializedImpl

public abstract class VectorKeySeriesSingleImpl
extends VectorKeySeriesImpl
implements VectorKeySeries

Implementation of when a one key series or a serialized key series is being presented.

Field Summary

Fields

Modifier and Type	Field and Description
protected int	currentBatchSize
protected int[]	duplicateCounts
protected int[]	hashCodes
protected int	nonNullKeyCount
protected int	nonNullKeyPosition
protected int	seriesCount
protected boolean[]	seriesIsAllNull
protected int	seriesPosition

Fields inherited from class org.apache.hadoop.hive.ql.exec.vector.keyseries.VectorKeySeriesImpl

currentDuplicateCount, currentHasAnyNulls, currentHashCode, currentIsAllNull, currentLogical

Method Summary

Modifier and Type	Method and Description
void	advance(int duplicateCount)
boolean	next() Move to the next key.
void	positionToFirst() Position to the beginning of the key series.
protected abstract void	setNextNonNullKey(int nonNullKeyPosition)
boolean	validate()

Methods inherited from class org.apache.hadoop.hive.ql.exec.vector.keyseries.VectorKeySeriesImpl

getCurrentDuplicateCount, getCurrentHasAnyNulls, getCurrentHashCode, getCurrentIsAllNull, getCurrentLogical

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hive.ql.exec.vector.keyseries.VectorKeySeries

getCurrentDuplicateCount, getCurrentHasAnyNulls, getCurrentHashCode, getCurrentIsAllNull, getCurrentLogical, processBatch

Field Detail

currentBatchSize

protected int currentBatchSize

seriesCount

protected int seriesCount

seriesPosition

protected int seriesPosition

duplicateCounts

protected final int[] duplicateCounts

seriesIsAllNull

protected final boolean[] seriesIsAllNull

nonNullKeyCount

protected int nonNullKeyCount

nonNullKeyPosition

protected int nonNullKeyPosition

hashCodes

protected final int[] hashCodes

Method Detail

validate

public boolean validate()

positionToFirst

public void positionToFirst()

Description copied from interface: VectorKeySeries

Position to the beginning of the key series.

Specified by:

positionToFirst in interface VectorKeySeries

next

public boolean next()

Description copied from interface: VectorKeySeries

Move to the next key.

Specified by:

next in interface VectorKeySeries

Returns:

true when there is another key. Otherwise, the key series is complete.

advance

public void advance(int duplicateCount)

setNextNonNullKey

protected abstract void setNextNonNullKey(int nonNullKeyPosition)