Package org.zkoss.stateless.util

Class BidirectionalMap<K,V>

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,V>

org.zkoss.stateless.util.BidirectionalMap<K,V>

All Implemented Interfaces:

Serializable, Cloneable, Map<K,V>

public class BidirectionalMap<K,V>
extends HashMap<K,V>

A bidirectional map is a map that preserves the uniqueness of its values as well as that of its keys.

Author:

jumperchen

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K extends Object,V extends Object>, AbstractMap.SimpleImmutableEntry<K extends Object,V extends Object>

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K extends Object,V extends Object>

Constructor Summary

Constructors

Constructor	Description
BidirectionalMap()
BidirectionalMap(int i)
BidirectionalMap(int i, float v)
BidirectionalMap(Map<? extends K,? extends V> map)

Method Summary

Modifier and Type	Method	Description
void	clear()
boolean	equals(Object o)
K	getKey(V value)	Returns the key from the given value.
int	hashCode()
V	put(K key, V value)
V	remove(Object key)

Methods inherited from class java.util.HashMap

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

Methods inherited from class java.util.AbstractMap

toString

Methods inherited from class java.lang.Object

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

Constructor Details

BidirectionalMap

public BidirectionalMap(int i,
 float v)

BidirectionalMap

public BidirectionalMap(int i)

BidirectionalMap

public BidirectionalMap()

BidirectionalMap

public BidirectionalMap(Map<? extends K,? extends V> map)

Method Details

getKey

public K getKey(V value)

Returns the key from the given value.

remove

public V remove(Object key)

Specified by:

remove in interface Map<K,V>

Overrides:

remove in class HashMap<K,V>

put

public V put(K key,
 V value)

Specified by:

put in interface Map<K,V>

Overrides:

put in class HashMap<K,V>

clear

public void clear()

Specified by:

clear in interface Map<K,V>

Overrides:

clear in class HashMap<K,V>

equals

public boolean equals(Object o)

Specified by:

equals in interface Map<K,V>

Overrides:

equals in class AbstractMap<K,V>

hashCode

public int hashCode()

Specified by:

hashCode in interface Map<K,V>

Overrides:

hashCode in class AbstractMap<K,V>