com.mchange.v2.util
Class DoubleWeakHashMap

java.lang.Object
  com.mchange.v2.util.DoubleWeakHashMap

All Implemented Interfaces:

java.util.Map

public class DoubleWeakHashMap
extends java.lang.Object
implements java.util.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

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

Constructor Summary

DoubleWeakHashMap()

DoubleWeakHashMap(int initialCapacity)

DoubleWeakHashMap(int initialCapacity, float loadFactor)

DoubleWeakHashMap(java.util.Map m)

Method Summary

void	cleanCleared()
void	clear()
boolean	containsKey(java.lang.Object key)
boolean	containsValue(java.lang.Object val)
java.util.Set	entrySet()
java.lang.Object	get(java.lang.Object key)
boolean	isEmpty()
java.util.Set	keySet()
java.lang.Object	put(java.lang.Object key, java.lang.Object val)
void	putAll(java.util.Map m)
java.lang.Object	remove(java.lang.Object key)
int	size()
java.util.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

equals, hashCode

Constructor Detail

DoubleWeakHashMap

public DoubleWeakHashMap()

DoubleWeakHashMap

public DoubleWeakHashMap(int initialCapacity)

DoubleWeakHashMap

public DoubleWeakHashMap(int initialCapacity,
                         float loadFactor)

DoubleWeakHashMap

public DoubleWeakHashMap(java.util.Map m)

Method Detail

cleanCleared

public void cleanCleared()

clear

public void clear()

Specified by:

clear in interface java.util.Map

containsKey

public boolean containsKey(java.lang.Object key)

Specified by:

containsKey in interface java.util.Map

containsValue

public boolean containsValue(java.lang.Object val)

Specified by:

containsValue in interface java.util.Map

entrySet

public java.util.Set entrySet()

Specified by:

entrySet in interface java.util.Map

get

public java.lang.Object get(java.lang.Object key)

Specified by:

get in interface java.util.Map

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Map

keySet

public java.util.Set keySet()

Specified by:

keySet in interface java.util.Map

put

public java.lang.Object put(java.lang.Object key,
                            java.lang.Object val)

Specified by:

put in interface java.util.Map

putAll

public void putAll(java.util.Map m)

Specified by:

putAll in interface java.util.Map

remove

public java.lang.Object remove(java.lang.Object key)

Specified by:

remove in interface java.util.Map

size

public int size()

Specified by:

size in interface java.util.Map

values

public java.util.Collection values()

Specified by:

values in interface java.util.Map