Interface MultivaluedMap<K,V>

All Superinterfaces:

Map<K,List<V>>

public interface MultivaluedMap<K,V>
extends Map<K,List<V>>

A map of key-values pairs. Each key can have zero or more values.

Nested Class Summary

Nested classes/interfaces inherited from interface Map

Map.Entry<K,V>

Method Summary

Modifier and Type	Method	Description
void	add(K key, V value)	Add a value to the current list of values for the supplied key.
V	getFirst(K key)	A shortcut to get the first value of the supplied key.
void	putSingle(K key, V value)	Set the key's value to be a one item list consisting of the supplied value.

Methods inherited from interface Map

clear, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, equals, forEach, get, getOrDefault, hashCode, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values

Method Details

putSingle

void putSingle(K key,
 V value)

Set the key's value to be a one item list consisting of the supplied value. Any existing values will be replaced.

Parameters:

key - the key

value - the single value of the key

add

void add(K key,
 V value)

Add a value to the current list of values for the supplied key.

Parameters:

key - the key

value - the value to be added.

getFirst

V getFirst(K key)

A shortcut to get the first value of the supplied key.

Parameters:

key - the key

Returns:

the first value for the specified key or null if the key is not in the map.