net.cscott.jutil
Class MapWrapper<K,V>

java.lang.Object
  net.cscott.jutil.MapWrapper<K,V>

All Implemented Interfaces:

Map<K,V>

Direct Known Subclasses:

GenericInvertibleMap, UnmodifiableMap

public abstract class MapWrapper<K,V>
extends Object
implements Map<K,V>

MapWrapper is a class that acts as a proxy for another backing map, to allow for easy extension of Map functionality while not restricting developers to one particular Map implementation.

Version:

$Id: MapWrapper.java,v 1.4 2006-10-30 19:58:06 cananian Exp $

Author:

Felix S. Klock II

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Constructor Summary

MapWrapper()

Method Summary

void	clear()
boolean	containsKey(Object o)
boolean	containsValue(Object o)
Set<Map.Entry<K,V>>	entrySet()
boolean	equals(Object o)
V	get(Object o)
int	hashCode()
boolean	isEmpty()
Set<K>	keySet()
V	put(K k, V v)
void	putAll(Map<? extends K,? extends V> m)
V	remove(Object o)
int	size()
String	toString()
Collection<V>	values()
protected abstract Map<K,V>	wrapped()

Methods inherited from class java.lang.Object

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

Constructor Detail

MapWrapper

public MapWrapper()

Method Detail

wrapped

protected abstract Map<K,V> wrapped()

size

public int size()

Specified by:

size in interface Map<K,V>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<K,V>

containsKey

public boolean containsKey(Object o)

Specified by:

containsKey in interface Map<K,V>

containsValue

public boolean containsValue(Object o)

Specified by:

containsValue in interface Map<K,V>

get

public V get(Object o)

Specified by:

get in interface Map<K,V>

put

public V put(K k,
             V v)

Specified by:

put in interface Map<K,V>

remove

public V remove(Object o)

Specified by:

remove in interface Map<K,V>

putAll

public void putAll(Map<? extends K,? extends V> m)

Specified by:

putAll in interface Map<K,V>

clear

public void clear()

Specified by:

clear in interface Map<K,V>

keySet

public Set<K> keySet()

Specified by:

keySet in interface Map<K,V>

entrySet

public Set<Map.Entry<K,V>> entrySet()

Specified by:

entrySet in interface Map<K,V>

values

public Collection<V> values()

Specified by:

values in interface Map<K,V>

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Specified by:

equals in interface Map<K,V>

Overrides:

equals in class Object

hashCode

public int hashCode()

Specified by:

hashCode in interface Map<K,V>

Overrides:

hashCode in class Object