serp.util
Class IdentityMap

java.lang.Object
  |
  +--java.util.AbstractMap
        |
        +--java.util.HashMap
              |
              +--serp.util.IdentityMap

All Implemented Interfaces:

Cloneable, Map, Serializable

public class IdentityMap

extends HashMap

Map type that hashes on object identity. Mimics the functionality of the IdentityHashMap in Java 1.4.

See Also:

Serialized Form

Inner classes inherited from class java.util.Map

Map.Entry

Constructor Summary

IdentityMap()

IdentityMap(int initialCapacity)

IdentityMap(int initialCapacity, float loadFactor)

IdentityMap(Map map)

Method Summary

Object	clone()
boolean	containsKey(Object key)
Set	entrySet()
Object	get(Object key)
Set	keySet()
Object	put(Object key, Object value)
void	putAll(Map map)
Object	remove(Object key)

Methods inherited from class java.util.HashMap

, capacity, clear, containsValue, isEmpty, loadFactor, size, values

Methods inherited from class java.util.AbstractMap

equals, hashCode, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

IdentityMap

public IdentityMap()

See Also:

HashMap.HashMap()

IdentityMap

public IdentityMap(int initialCapacity)

See Also:

HashMap.HashMap(int)

IdentityMap

public IdentityMap(int initialCapacity,
                   float loadFactor)

See Also:

HashMap.HashMap(int,float)

IdentityMap

public IdentityMap(Map map)

See Also:

HashMap.HashMap(Map)

Method Detail

clone

public Object clone()

Overrides:

clone in class HashMap

containsKey

public boolean containsKey(Object key)

Overrides:

containsKey in class HashMap

entrySet

public Set entrySet()

Overrides:

entrySet in class HashMap

get

public Object get(Object key)

Overrides:

get in class HashMap

keySet

public Set keySet()

Overrides:

keySet in class HashMap

put

public Object put(Object key,
                  Object value)

Overrides:

put in class HashMap

putAll

public void putAll(Map map)

Overrides:

putAll in class HashMap

remove

public Object remove(Object key)

Overrides:

remove in class HashMap