org.apache.arrow.vector.dictionary

Class DictionaryProvider.MapDictionaryProvider

java.lang.Object

org.apache.arrow.vector.dictionary.DictionaryProvider.MapDictionaryProvider

All Implemented Interfaces:

DictionaryProvider

Enclosing interface:

DictionaryProvider

public static class DictionaryProvider.MapDictionaryProvider
extends Object
implements DictionaryProvider

Implementation of DictionaryProvider that is backed by a hash-map.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.arrow.vector.dictionary.DictionaryProvider

DictionaryProvider.MapDictionaryProvider

Constructor Summary

Constructors

Constructor and Description
MapDictionaryProvider(Dictionary... dictionaries) Constructs a new instance from the given dictionaries.

Method Summary

Modifier and Type	Method and Description
Set<Long>	getDictionaryIds() Get all dictionary IDs.
Dictionary	lookup(long id) Return the dictionary for the given ID.
void	put(Dictionary dictionary)

Methods inherited from class java.lang.Object

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

Constructor Detail

MapDictionaryProvider

public MapDictionaryProvider(Dictionary... dictionaries)

Constructs a new instance from the given dictionaries.

Method Detail

put

public void put(Dictionary dictionary)

getDictionaryIds

public final Set<Long> getDictionaryIds()

Description copied from interface: DictionaryProvider

Get all dictionary IDs.

Specified by:

getDictionaryIds in interface DictionaryProvider

lookup

public Dictionary lookup(long id)

Description copied from interface: DictionaryProvider

Return the dictionary for the given ID.

Specified by:

lookup in interface DictionaryProvider