Package org.apache.juneau.internal

Class BiMap<K,V>

java.lang.Object

org.apache.juneau.internal.BiMap<K,V>

Type Parameters:

K - The key type.

V - The value type.

All Implemented Interfaces:

Map<K,V>

public class BiMap<K,V>
extends Object
implements Map<K,V>

A linked hashmap with reverse key lookup by value.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	BiMap.Builder<K,V>	Builder class.

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

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

Constructor Summary

Constructors

Constructor	Description
BiMap(BiMap.Builder<K,V> builder)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
static <K, V> BiMap.Builder<K,V>	create()	Create a new builder for this class.
Set<Map.Entry<K,V>>	entrySet()
V	get(Object key)
K	getKey(V value)	Gets the key that is currently mapped to the specified value.
boolean	isEmpty()
Set<K>	keySet()
V	put(K key, V value)
void	putAll(Map<? extends K,? extends V> m)
V	remove(Object key)
int	size()
Collection<V>	values()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, equals, forEach, getOrDefault, hashCode, merge, putIfAbsent, remove, replace, replace, replaceAll

Constructor Details

BiMap

public BiMap(BiMap.Builder<K,V> builder)

Constructor.

Parameters:

builder - The builder for this object.

Method Details

create

public static <K,
V> BiMap.Builder<K,V> create()

Create a new builder for this class.

Type Parameters:

K - The key type.

V - The value type.

Returns:

A new builder.

getKey

public K getKey(V value)

Gets the key that is currently mapped to the specified value.

Parameters:

value - The value to return.

Returns:

The key matching the value.

size

public int size()

Specified by:

size in interface Map<K,V>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<K,V>

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map<K,V>

containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map<K,V>

get

public V get(Object key)

Specified by:

get in interface Map<K,V>

put

public V put(K key,
 V value)

Specified by:

put in interface Map<K,V>

remove

public V remove(Object key)

Specified by:

remove in interface Map<K,V>

putAll

public void putAll(Map<? extends K,? extends V> m)

Specified by:

putAll in interface Map<K,V>

clear

public void clear()

Specified by:

clear in interface Map<K,V>

keySet

public Set<K> keySet()

Specified by:

keySet in interface Map<K,V>

values

public Collection<V> values()

Specified by:

values in interface Map<K,V>

entrySet

public Set<Map.Entry<K,V>> entrySet()

Specified by:

entrySet in interface Map<K,V>