org.apache.parquet.column.values.dictionary

Class PlainValuesDictionary.PlainDoubleDictionary

java.lang.Object

org.apache.parquet.column.Dictionary

org.apache.parquet.column.values.dictionary.PlainValuesDictionary

org.apache.parquet.column.values.dictionary.PlainValuesDictionary.PlainDoubleDictionary

Enclosing class:

PlainValuesDictionary

public static class PlainValuesDictionary.PlainDoubleDictionary
extends PlainValuesDictionary

a simple implementation of dictionary for plain encoded double values

Nested Class Summary

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

PlainValuesDictionary.PlainBinaryDictionary, PlainValuesDictionary.PlainDoubleDictionary, PlainValuesDictionary.PlainFloatDictionary, PlainValuesDictionary.PlainIntegerDictionary, PlainValuesDictionary.PlainLongDictionary

Constructor Summary

Constructors

Constructor and Description
PlainDoubleDictionary(DictionaryPage dictionaryPage)

Method Summary

Modifier and Type	Method and Description
double	decodeToDouble(int id)
int	getMaxId()
String	toString()

Methods inherited from class org.apache.parquet.column.Dictionary

decodeToBinary, decodeToBoolean, decodeToFloat, decodeToInt, decodeToLong, getEncoding

Methods inherited from class java.lang.Object

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

Constructor Detail

PlainDoubleDictionary

public PlainDoubleDictionary(DictionaryPage dictionaryPage)
                      throws IOException

Parameters:

dictionaryPage - a dictionary page of encoded double values

Throws:

IOException - if there is an exception while decoding the dictionary page

Method Detail

decodeToDouble

public double decodeToDouble(int id)

Overrides:

decodeToDouble in class Dictionary

toString

public String toString()

Overrides:

toString in class Object

getMaxId

public int getMaxId()

Specified by:

getMaxId in class Dictionary