Package org.apache.arrow.vector.dictionary

Class Dictionary

java.lang.Object

org.apache.arrow.vector.dictionary.Dictionary

public class Dictionary
extends Object

A dictionary (integer to Value mapping) that is used to facilitate dictionary encoding compression.

Constructor Summary

Constructors

Constructor	Description
Dictionary(FieldVector dictionary, DictionaryEncoding encoding)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
DictionaryEncoding	getEncoding()
FieldVector	getVector()
ArrowType	getVectorType()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

Dictionary

public Dictionary(FieldVector dictionary,
 DictionaryEncoding encoding)

Method Details

getVector

public FieldVector getVector()

getEncoding

public DictionaryEncoding getEncoding()

getVectorType

public ArrowType getVectorType()

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object