Module org.apache.arrow.vector

Package org.apache.arrow.vector.util

Class PromotableMultiMapWithOrdinal<K,V>

java.lang.Object

org.apache.arrow.vector.util.PromotableMultiMapWithOrdinal<K,V>

Type Parameters:

K - key type

V - value type

All Implemented Interfaces:

MapWithOrdinal<K,V>

public class PromotableMultiMapWithOrdinal<K,V>
extends Object
implements MapWithOrdinal<K,V>

Implementation of MapWithOrdinal that allows for promotion to multimap when duplicate fields exist.

Constructor Summary

Constructors

Constructor	Description
PromotableMultiMapWithOrdinal(boolean promotable, AbstractStructVector.ConflictPolicy conflictPolicy)	Create promotable map.

Method Summary

Modifier and Type	Method	Description
void	clear()
boolean	containsKey(K key)
V	get(K key)
Collection<V>	getAll(K key)
V	getByOrdinal(int id)
int	getOrdinal(K key)
boolean	isEmpty()
Set<K>	keys()
boolean	put(K key, V value, boolean overwrite)
boolean	remove(K key, V value)
boolean	removeAll(K key)
void	setConflictPolicy(AbstractStructVector.ConflictPolicy conflictPolicy)
int	size()
Collection<V>	values()

Methods inherited from class java.lang.Object

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

Constructor Details

PromotableMultiMapWithOrdinal

public PromotableMultiMapWithOrdinal(boolean promotable,
 AbstractStructVector.ConflictPolicy conflictPolicy)

Create promotable map.

Parameters:

promotable - if promotion is allowed, otherwise delegate to MapWithOrdinal.

conflictPolicy - how to handle name conflicts.

Method Details

getByOrdinal

public V getByOrdinal(int id)

Specified by:

getByOrdinal in interface MapWithOrdinal<K,V>

getOrdinal

public int getOrdinal(K key)

Specified by:

getOrdinal in interface MapWithOrdinal<K,V>

size

public int size()

Specified by:

size in interface MapWithOrdinal<K,V>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface MapWithOrdinal<K,V>

get

public V get(K key)

Specified by:

get in interface MapWithOrdinal<K,V>

getAll

public Collection<V> getAll(K key)

Specified by:

getAll in interface MapWithOrdinal<K,V>

put

public boolean put(K key,
 V value,
 boolean overwrite)

Specified by:

put in interface MapWithOrdinal<K,V>

values

public Collection<V> values()

Specified by:

values in interface MapWithOrdinal<K,V>

containsKey

public boolean containsKey(K key)

Specified by:

containsKey in interface MapWithOrdinal<K,V>

remove

public boolean remove(K key,
 V value)

Specified by:

remove in interface MapWithOrdinal<K,V>

removeAll

public boolean removeAll(K key)

Specified by:

removeAll in interface MapWithOrdinal<K,V>

clear

public void clear()

Specified by:

clear in interface MapWithOrdinal<K,V>

keys

public Set<K> keys()

Specified by:

keys in interface MapWithOrdinal<K,V>

setConflictPolicy

public void setConflictPolicy(AbstractStructVector.ConflictPolicy conflictPolicy)