Package fr.andross.banitem.utils

Class DoubleMap<K,V>

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,V>

fr.andross.banitem.utils.DoubleMap<K,V>

Type Parameters:

K - The map key type

V - The map value type

All Implemented Interfaces:

Serializable, Cloneable, Map<K,V>

Direct Known Subclasses:

CustomItems, MetaItems

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

A simple double map, used to handle custom and meta items.

Version:

3.1

Author:

Andross

See Also:

• Serialized Form

Nested Class Summary

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

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

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

Map.Entry<K,V>

Constructor Summary

Constructors

Constructor	Description
DoubleMap()	Creates a new DoubleMap with default settings.

Method Summary

Modifier and Type	Method	Description
void	clear()	Will clear the map and its reversed one.
K	getKey(V value)	Get the key of this value from the reversed map.
@NotNull Map<V,K>	getReversed()	Get the reversed map.
V	put(K key, V value)	Adding in both maps.
V	remove(@NotNull Object key)	Remove the key from both maps.

Methods inherited from class java.util.HashMap

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

Methods inherited from class java.util.AbstractMap

equals, hashCode, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Details

DoubleMap

public DoubleMap()

Creates a new DoubleMap with default settings.

Method Details

put

public V put(@NotNull
 K key,
 @Nullable
 V value)

Adding in both maps.

Specified by:

put in interface Map<K,V>

Overrides:

put in class HashMap<K,V>

Parameters:

key - key

value - value

See Also:

• Map.put(Object, Object)

clear

public void clear()

Will clear the map and its reversed one.

Specified by:

clear in interface Map<K,V>

Overrides:

clear in class HashMap<K,V>

remove

public V remove(@NotNull
 @NotNull Object key)

Remove the key from both maps.

Specified by:

remove in interface Map<K,V>

Overrides:

remove in class HashMap<K,V>

Parameters:

key - key

See Also:

• Map.remove(Object)

getKey

@Nullable
public K getKey(@NotNull
 V value)

Get the key of this value from the reversed map.

Parameters:

value - value

Returns:

the key of this value if exists, otherwise null

getReversed

@NotNull
public @NotNull Map<V,K> getReversed()

Get the reversed map.

Returns:

the reversed map