com.sun.jini.collection

Class WeakIdentityMap

java.lang.Object

com.sun.jini.collection.WeakIdentityMap

public class WeakIdentityMap
extends Object

Identity-based weak hash map.

Since:

2.0

Author:

Sun Microsystems, Inc.

Constructor Summary

Constructors

Constructor and Description
WeakIdentityMap()

Method Summary

Modifier and Type	Method and Description
void	clear() Removes all associations from this map.
Object	get(Object key) Returns value associated with given key, or null if none.
Object	put(Object key, Object value) Associates value with given key, returning value previously associated with key, or null if none.
Object	remove(Object key) Removes association for given key, returning value previously associated with key, or null if none.
Collection	values() Returns collection containing all values currently held in this map.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WeakIdentityMap

public WeakIdentityMap()

Method Detail

put

public Object put(Object key,
                  Object value)

Associates value with given key, returning value previously associated with key, or null if none.

get

public Object get(Object key)

Returns value associated with given key, or null if none.

remove

public Object remove(Object key)

Removes association for given key, returning value previously associated with key, or null if none.

values

public Collection values()

Returns collection containing all values currently held in this map.

clear

public void clear()

Removes all associations from this map.