Package gw.util.concurrent

Class ConcurrentWeakValueHashMap<K,V>

java.lang.Object

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

All Implemented Interfaces:

ConcurrentMap<K,V>, Map<K,V>

public final class ConcurrentWeakValueHashMap<K,V>
extends Object
implements 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

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

Field Summary

Fields

Modifier and Type	Field	Description
private final ConcurrentHashMap<K,ConcurrentWeakValueHashMap.MyReference<K,V>>	myMap
private final ReferenceQueue<V>	myQueue

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
private ConcurrentWeakValueHashMap.MyReference<K,V>	createRef(K key, V value)
Set<Map.Entry<K,V>>	entrySet()
V	get(Object key)
boolean	isEmpty()
Set<K>	keySet()
private void	processQueue()
V	put(K key, V value)
void	putAll(Map<? extends K,? extends V> t)
V	putIfAbsent(K key, V value)
V	remove(Object key)
boolean	remove(Object key, Object value)
V	replace(K key, V value)
boolean	replace(K key, V oldValue, V newValue)
int	size()
String	toString()
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 Details

myMap

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

myQueue

private final ReferenceQueue<V> myQueue

Constructor Details

ConcurrentWeakValueHashMap

public ConcurrentWeakValueHashMap(Map<K,V> map)

ConcurrentWeakValueHashMap

public ConcurrentWeakValueHashMap()

ConcurrentWeakValueHashMap

public ConcurrentWeakValueHashMap(int initialCapacity)

ConcurrentWeakValueHashMap

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

Method Details

processQueue

private void processQueue()

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>

createRef

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

putIfAbsent

public V putIfAbsent(K key,
 V value)

Specified by:

putIfAbsent in interface ConcurrentMap<K,V>

Specified by:

putIfAbsent in interface Map<K,V>

remove

public boolean remove(Object key,
 Object value)

Specified by:

remove in interface ConcurrentMap<K,V>

Specified by:

remove in interface Map<K,V>

replace

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

Specified by:

replace in interface ConcurrentMap<K,V>

Specified by:

replace in interface Map<K,V>

replace

public V replace(K key,
 V value)

Specified by:

replace in interface ConcurrentMap<K,V>

Specified by:

replace 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> t)

Specified by:

putAll in interface Map<K,V>

clear

public void clear()

Specified by:

clear in interface Map<K,V>

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>

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>

toString

public String toString()

Overrides:

toString in class Object