org.apache.iceberg.parquet

Class ColumnIterator<T>

java.lang.Object

org.apache.iceberg.parquet.BaseColumnIterator

org.apache.iceberg.parquet.ColumnIterator<T>

public abstract class ColumnIterator<T>
extends BaseColumnIterator

Field Summary

Fields inherited from class org.apache.iceberg.parquet.BaseColumnIterator

advanceNextPageCount, desc, dictionary, pageSource, triplesCount, triplesRead

Method Summary

Modifier and Type	Method and Description
int	currentDefinitionLevel() Returns the definition level from the current triple.
int	currentRepetitionLevel() Returns the repetition level from the current triple or 0 if there are no more elements.
org.apache.parquet.io.api.Binary	nextBinary() Returns the next value as a Binary.
boolean	nextBoolean() Returns the next value as an un-boxed boolean.
double	nextDouble() Returns the next value as an un-boxed double.
float	nextFloat() Returns the next value as an un-boxed float.
int	nextInteger() Returns the next value as an un-boxed int.
long	nextLong() Returns the next value as an un-boxed long.
<N> N	nextNull() Returns null and advances the iterator.
protected BasePageIterator	pageIterator()

Methods inherited from class org.apache.iceberg.parquet.BaseColumnIterator

advance, hasNext, setPageSource

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, hasNext, next, remove

Method Detail

currentDefinitionLevel

public int currentDefinitionLevel()

Returns the definition level from the current triple.

This method does not advance this iterator.

Returns:

the definition level of the current triple.

currentRepetitionLevel

public int currentRepetitionLevel()

Returns the repetition level from the current triple or 0 if there are no more elements.

This method does not advance this iterator.

Returns:

the repetition level of the current triple, or 0 if there is no current triple.

nextBoolean

public boolean nextBoolean()

Returns the next value as an un-boxed boolean.

This method has the same behavior as Iterator.next() and will advance this iterator.

Returns:

the next value as an un-boxed boolean

nextInteger

public int nextInteger()

Returns the next value as an un-boxed int.

This method has the same behavior as Iterator.next() and will advance this iterator.

Returns:

the next value as an un-boxed int

nextLong

public long nextLong()

Returns the next value as an un-boxed long.

This method has the same behavior as Iterator.next() and will advance this iterator.

Returns:

the next value as an un-boxed long

nextFloat

public float nextFloat()

Returns the next value as an un-boxed float.

This method has the same behavior as Iterator.next() and will advance this iterator.

Returns:

the next value as an un-boxed float

nextDouble

public double nextDouble()

Returns the next value as an un-boxed double.

This method has the same behavior as Iterator.next() and will advance this iterator.

Returns:

the next value as an un-boxed double

nextBinary

public org.apache.parquet.io.api.Binary nextBinary()

Returns the next value as a Binary.

This method has the same behavior as Iterator.next() and will advance this iterator.

Returns:

the next value as a Binary

nextNull

public <N> N nextNull()

Returns null and advances the iterator.

This method has the same behavior as Iterator.next() and will advance this iterator.

Returns:

null

pageIterator

protected BasePageIterator pageIterator()

Specified by:

pageIterator in class BaseColumnIterator