org.objectweb.carol.cmi
Class WeakValueHashtable

java.lang.Object
  org.objectweb.carol.cmi.WeakValueHashtable

public class WeakValueHashtable

extends java.lang.Object

A Map that remove its entries when the corresponding values are no more referenced elsewhere. The key and the value can not be the same object : they would never be removed. It is synchronized.

Author:

Simon Nieuviarts

Constructor Summary

WeakValueHashtable()

Method Summary

java.lang.Object	get(java.lang.Object key) Get (extract) an entry in the hashmap
static void	main(java.lang.String[] argv) Test purposes
java.lang.Object	put(java.lang.Object key, java.lang.Object value) Put an entry in the hashmap
java.lang.Object	remove(java.lang.Object key) Remove an entry in the hashmap

Methods inherited from class java.lang.Object

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

Constructor Detail

WeakValueHashtable

public WeakValueHashtable()

Method Detail

put

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

Put an entry in the hashmap

Parameters:

key - key object

value - value object

Returns:

value if ok, otherwise null

get

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

Get (extract) an entry in the hashmap

Parameters:

key - key

Returns:

Value object or null if not found

remove

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

Remove an entry in the hashmap

Parameters:

key - key object

Returns:

object removed or null if not found

main

public static void main(java.lang.String[] argv)

Test purposes

Parameters:

argv - program arg