org.apache.parquet.column

Class Dictionary

java.lang.Object

org.apache.parquet.column.Dictionary

Direct Known Subclasses:

PlainValuesDictionary

public abstract class Dictionary
extends Object

a dictionary to decode dictionary based encodings

Author:

Julien Le Dem

Constructor Summary

Constructors

Constructor and Description
Dictionary(Encoding encoding)

Method Summary

Methods

Modifier and Type	Method and Description
Binary	decodeToBinary(int id)
boolean	decodeToBoolean(int id)
double	decodeToDouble(int id)
float	decodeToFloat(int id)
int	decodeToInt(int id)
long	decodeToLong(int id)
Encoding	getEncoding()
abstract int	getMaxId()

Methods inherited from class java.lang.Object

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

Constructor Detail

Dictionary

public Dictionary(Encoding encoding)

Method Detail

getEncoding

public Encoding getEncoding()

getMaxId

public abstract int getMaxId()

decodeToBinary

public Binary decodeToBinary(int id)

decodeToInt

public int decodeToInt(int id)

decodeToLong

public long decodeToLong(int id)

decodeToFloat

public float decodeToFloat(int id)

decodeToDouble

public double decodeToDouble(int id)

decodeToBoolean

public boolean decodeToBoolean(int id)