com.google.common.collect

Class MapMaker.NullConcurrentMap<K,V>

java.lang.Object

java.util.AbstractMap<K,V>

com.google.common.collect.MapMaker.NullConcurrentMap<K,V>

All Implemented Interfaces:

java.io.Serializable, java.util.concurrent.ConcurrentMap<K,V>, java.util.Map<K,V>

Direct Known Subclasses:

MapMaker.NullComputingConcurrentMap

Enclosing class:

MapMaker

static class MapMaker.NullConcurrentMap<K,V>
extends java.util.AbstractMap<K,V>
implements java.util.concurrent.ConcurrentMap<K,V>, java.io.Serializable

A map that is always empty and evicts on insertion.

Nested Class Summary

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

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

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

java.util.Map.Entry<K,V>

Field Summary

Fields

Modifier and Type	Field and Description
private MapMaker.RemovalCause	removalCause
private MapMaker.RemovalListener<K,V>	removalListener
private static long	serialVersionUID

Constructor Summary

Constructors

Constructor and Description
NullConcurrentMap(MapMaker mapMaker)

Method Summary

Modifier and Type	Method and Description
boolean	containsKey(java.lang.Object key)
boolean	containsValue(java.lang.Object value)
java.util.Set<java.util.Map.Entry<K,V>>	entrySet()
V	get(java.lang.Object key)
(package private) void	notifyRemoval(K key, V value)
V	put(K key, V value)
V	putIfAbsent(K key, V value)
V	remove(java.lang.Object key)
boolean	remove(java.lang.Object key, java.lang.Object value)
V	replace(K key, V value)
boolean	replace(K key, V oldValue, V newValue)

Methods inherited from class java.util.AbstractMap

clear, clone, equals, hashCode, isEmpty, keySet, putAll, size, toString, values

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.concurrent.ConcurrentMap

compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, replaceAll

Methods inherited from interface java.util.Map

clear, equals, hashCode, isEmpty, keySet, putAll, size, values

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

removalListener

private final MapMaker.RemovalListener<K,V> removalListener

removalCause

private final MapMaker.RemovalCause removalCause

Constructor Detail

NullConcurrentMap

NullConcurrentMap(MapMaker mapMaker)

Method Detail

containsKey

public boolean containsKey(@Nullable
                           java.lang.Object key)

Specified by:

containsKey in interface java.util.Map<K,V>

Overrides:

containsKey in class java.util.AbstractMap<K,V>

containsValue

public boolean containsValue(@Nullable
                             java.lang.Object value)

Specified by:

containsValue in interface java.util.Map<K,V>

Overrides:

containsValue in class java.util.AbstractMap<K,V>

get

public V get(@Nullable
             java.lang.Object key)

Specified by:

get in interface java.util.Map<K,V>

Overrides:

get in class java.util.AbstractMap<K,V>

notifyRemoval

void notifyRemoval(K key,
                   V value)

put

public V put(K key,
             V value)

Specified by:

put in interface java.util.Map<K,V>

Overrides:

put in class java.util.AbstractMap<K,V>

putIfAbsent

public V putIfAbsent(K key,
                     V value)

Specified by:

putIfAbsent in interface java.util.concurrent.ConcurrentMap<K,V>

Specified by:

putIfAbsent in interface java.util.Map<K,V>

remove

public V remove(@Nullable
                java.lang.Object key)

Specified by:

remove in interface java.util.Map<K,V>

Overrides:

remove in class java.util.AbstractMap<K,V>

remove

public boolean remove(@Nullable
                      java.lang.Object key,
                      @Nullable
                      java.lang.Object value)

Specified by:

remove in interface java.util.concurrent.ConcurrentMap<K,V>

Specified by:

remove in interface java.util.Map<K,V>

replace

public V replace(K key,
                 V value)

Specified by:

replace in interface java.util.concurrent.ConcurrentMap<K,V>

Specified by:

replace in interface java.util.Map<K,V>

replace

public boolean replace(K key,
                       @Nullable
                       V oldValue,
                       V newValue)

Specified by:

replace in interface java.util.concurrent.ConcurrentMap<K,V>

Specified by:

replace in interface java.util.Map<K,V>

entrySet

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

Specified by:

entrySet in interface java.util.Map<K,V>

Specified by:

entrySet in class java.util.AbstractMap<K,V>