org.apache.tapestry.util
Class ObjectIdentityMap

java.lang.Object
  org.apache.tapestry.util.ObjectIdentityMap

public class ObjectIdentityMap
extends Object

A simple map-like collection, similar to (but more more limited than) JDK 1.4's IdentityHashMap. It is designed for small collections of objects.

Since:

4.0

Author:

Howard Lewis Ship

Constructor Summary

ObjectIdentityMap()

Method Summary

Object	get(Object key) Returns the object stored for the given key.
void	put(Object key, Object value) Adds or updates a key in the bag.

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectIdentityMap

public ObjectIdentityMap()

Method Detail

put

public void put(Object key,
                Object value)

Adds or updates a key in the bag.

Parameters:

key - the key to store a value under; an existing value with the key is discarded

value - the value to store

get

public Object get(Object key)

Returns the object stored for the given key.

Returns:

the value, or null if the key is not found