Package gw.util.concurrent

Class ConcurrentWeakValueHashMap<K,V>

java.lang.Object

gw.util.concurrent.ConcurrentWeakValueHashMap<K,V>

All Implemented Interfaces:

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

public final class ConcurrentWeakValueHashMap<K,V>
extends java.lang.Object
implements java.util.concurrent.ConcurrentMap<K,V>

Adapted from com.intellij.util.containers.ConcurrentWeakValueHashMap

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	ConcurrentWeakValueHashMap.MyReference<K,T>

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

java.util.Map.Entry<K extends java.lang.Object,V extends java.lang.Object>

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.concurrent.ConcurrentHashMap<K,ConcurrentWeakValueHashMap.MyReference<K,V>>	myMap
private java.lang.ref.ReferenceQueue<V>	myQueue

Constructor Summary

Constructors

Constructor	Description
ConcurrentWeakValueHashMap()
ConcurrentWeakValueHashMap(int initialCapacity)
ConcurrentWeakValueHashMap(int initialCapaciy, float loadFactor, int concurrenycLevel)
ConcurrentWeakValueHashMap(java.util.Map<K,V> map)

Method Summary

Modifier and Type	Method	Description
void	clear()
boolean	containsKey(java.lang.Object key)
boolean	containsValue(java.lang.Object value)
private ConcurrentWeakValueHashMap.MyReference<K,V>	createRef(K key, V value)
java.util.Set<java.util.Map.Entry<K,V>>	entrySet()
V	get(java.lang.Object key)
boolean	isEmpty()
java.util.Set<K>	keySet()
private void	processQueue()
V	put(K key, V value)
void	putAll(java.util.Map<? extends K,? extends V> t)
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)
int	size()
java.lang.String	toString()
java.util.Collection<V>	values()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, 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

equals, hashCode

Field Detail

myMap

private final java.util.concurrent.ConcurrentHashMap<K,ConcurrentWeakValueHashMap.MyReference<K,V>> myMap

myQueue

private final java.lang.ref.ReferenceQueue<V> myQueue

Constructor Detail

ConcurrentWeakValueHashMap

public ConcurrentWeakValueHashMap(java.util.Map<K,V> map)

ConcurrentWeakValueHashMap

public ConcurrentWeakValueHashMap()

ConcurrentWeakValueHashMap

public ConcurrentWeakValueHashMap(int initialCapacity)

ConcurrentWeakValueHashMap

public ConcurrentWeakValueHashMap(int initialCapaciy,
                                  float loadFactor,
                                  int concurrenycLevel)

Method Detail

processQueue

private void processQueue()

get

public V get(java.lang.Object key)

Specified by:

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

put

public V put(K key,
             V value)

Specified by:

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

createRef

private ConcurrentWeakValueHashMap.MyReference<K,V> createRef(K key,
                                                                    V value)

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 boolean remove(java.lang.Object key,
                      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 boolean replace(K key,
                       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>

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>

remove

public V remove(java.lang.Object key)

Specified by:

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

putAll

public void putAll(java.util.Map<? extends K,? extends V> t)

Specified by:

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

clear

public void clear()

Specified by:

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

size

public int size()

Specified by:

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

isEmpty

public boolean isEmpty()

Specified by:

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

containsKey

public boolean containsKey(java.lang.Object key)

Specified by:

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

containsValue

public boolean containsValue(java.lang.Object value)

Specified by:

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

keySet

public java.util.Set<K> keySet()

Specified by:

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

values

public java.util.Collection<V> values()

Specified by:

values 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>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object