Package com.mchange.v2.util

Class DoubleWeakHashMap

java.lang.Object

com.mchange.v2.util.DoubleWeakHashMap

All Implemented Interfaces:

Map

public class DoubleWeakHashMap
extends Object
implements Map

This class is not Thread safe. Use in single threaded contexts, or contexts where single threaded-access can be guaranteed, or wrap with Collections.synchronizedMap().

This class does not accept null keys or values.

Nested Class Summary

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

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

Constructor Summary

Constructors

Constructor	Description
DoubleWeakHashMap()
DoubleWeakHashMap(int initialCapacity)
DoubleWeakHashMap(int initialCapacity, float loadFactor)
DoubleWeakHashMap(Map m)

Method Summary

Modifier and Type	Method	Description
void	cleanCleared()
void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object val)
Set	entrySet()
Object	get(Object key)
boolean	isEmpty()
Set	keySet()
Object	put(Object key, Object val)
void	putAll(Map m)
Object	remove(Object key)
int	size()
Collection	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

DoubleWeakHashMap

public DoubleWeakHashMap()

DoubleWeakHashMap

public DoubleWeakHashMap(int initialCapacity)

DoubleWeakHashMap

public DoubleWeakHashMap(int initialCapacity,
 float loadFactor)

DoubleWeakHashMap

public DoubleWeakHashMap(Map m)

Method Details

cleanCleared

public void cleanCleared()

clear

public void clear()

Specified by:

clear in interface Map

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map

containsValue

public boolean containsValue(Object val)

Specified by:

containsValue in interface Map

entrySet

public Set entrySet()

Specified by:

entrySet in interface Map

get

public Object get(Object key)

Specified by:

get in interface Map

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map

keySet

public Set keySet()

Specified by:

keySet in interface Map

put

public Object put(Object key,
 Object val)

Specified by:

put in interface Map

putAll

public void putAll(Map m)

Specified by:

putAll in interface Map

remove

public Object remove(Object key)

Specified by:

remove in interface Map

size

public int size()

Specified by:

size in interface Map

values

public Collection values()

Specified by:

values in interface Map