org.apache.parquet.column.values.dictionary

Class DictionaryValuesWriter.PlainDoubleDictionaryValuesWriter

java.lang.Object

org.apache.parquet.column.values.ValuesWriter

org.apache.parquet.column.values.dictionary.DictionaryValuesWriter

org.apache.parquet.column.values.dictionary.DictionaryValuesWriter.PlainDoubleDictionaryValuesWriter

All Implemented Interfaces:

RequiresFallback

Enclosing class:

DictionaryValuesWriter

public static class DictionaryValuesWriter.PlainDoubleDictionaryValuesWriter
extends DictionaryValuesWriter

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.parquet.column.values.dictionary.DictionaryValuesWriter

DictionaryValuesWriter.PlainBinaryDictionaryValuesWriter, DictionaryValuesWriter.PlainDoubleDictionaryValuesWriter, DictionaryValuesWriter.PlainFixedLenArrayDictionaryValuesWriter, DictionaryValuesWriter.PlainFloatDictionaryValuesWriter, DictionaryValuesWriter.PlainIntegerDictionaryValuesWriter, DictionaryValuesWriter.PlainLongDictionaryValuesWriter

Field Summary

Fields inherited from class org.apache.parquet.column.values.dictionary.DictionaryValuesWriter

dictionaryByteSize, dictionaryTooBig, encodedValues, encodingForDictionaryPage, lastUsedDictionaryByteSize, lastUsedDictionarySize, maxDictionaryByteSize

Constructor Summary

Constructors

Constructor and Description
DictionaryValuesWriter.PlainDoubleDictionaryValuesWriter(int maxDictionaryByteSize, Encoding encodingForDataPage, Encoding encodingForDictionaryPage)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	clearDictionaryContent() clear/free the underlying dictionary content
DictionaryPage	createDictionaryPage()
void	fallBackDictionaryEncodedData(ValuesWriter writer)
int	getDictionarySize()
void	writeDouble(double v)

Methods inherited from class org.apache.parquet.column.values.dictionary.DictionaryValuesWriter

dictPage, fallBackAllValuesTo, getAllocatedSize, getBufferedSize, getBytes, getEncoding, isCompressionSatisfying, memUsageString, reset, resetDictionary, shouldFallBack

Methods inherited from class org.apache.parquet.column.values.ValuesWriter

writeBoolean, writeByte, writeBytes, writeFloat, writeInteger, writeLong

Methods inherited from class java.lang.Object

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

Constructor Detail

DictionaryValuesWriter.PlainDoubleDictionaryValuesWriter

public DictionaryValuesWriter.PlainDoubleDictionaryValuesWriter(int maxDictionaryByteSize,
                                                        Encoding encodingForDataPage,
                                                        Encoding encodingForDictionaryPage)

Parameters:

maxDictionaryByteSize -

initialSize -

Method Detail

writeDouble

public void writeDouble(double v)

Overrides:

writeDouble in class ValuesWriter

Parameters:

v - the value to encode

createDictionaryPage

public DictionaryPage createDictionaryPage()

Overrides:

createDictionaryPage in class ValuesWriter

Returns:

the dictionary page or null if not dictionary based

getDictionarySize

public int getDictionarySize()

Specified by:

getDictionarySize in class DictionaryValuesWriter

Returns:

size in items

clearDictionaryContent

protected void clearDictionaryContent()

Description copied from class: DictionaryValuesWriter

clear/free the underlying dictionary content

Specified by:

clearDictionaryContent in class DictionaryValuesWriter

fallBackDictionaryEncodedData

public void fallBackDictionaryEncodedData(ValuesWriter writer)

Specified by:

fallBackDictionaryEncodedData in class DictionaryValuesWriter