org.apache.commons.collections.map
Class AbstractMapDecorator
java.lang.Object
org.apache.commons.collections.map.AbstractMapDecorator
- Map
public abstract class AbstractMapDecorator
extends java.lang.Object
implements Map
Provides a base decorator that enables additional functionality to be added
to a Map via decoration.
Methods are forwarded directly to the decorated map.
This implementation does not perform any special processing with
entrySet()
,
keySet()
or
values()
. Instead
it simply returns the set/collection from the wrapped map. This may be
undesirable, for example if you are trying to write a validating
implementation it would provide a loophole around the validation.
But, you might want that loophole, so this class is kept simple.
$Revision: 1.5 $ $Date: 2004/04/02 21:02:54 $- Daniel Rall
- Stephen Colebourne
protected Map | map - The map to decorate
|
map
protected Map map
The map to decorate
AbstractMapDecorator
protected AbstractMapDecorator()
Constructor only used in deserialization, do not use otherwise.
AbstractMapDecorator
public AbstractMapDecorator(Map map)
Constructor that wraps (not copies).
map
- the map to decorate, must not be null
containsKey
public boolean containsKey(Object key)
containsValue
public boolean containsValue(Object value)
entrySet
public Set entrySet()
equals
public boolean equals(Object object)
get
public Object get(Object key)
getMap
protected Map getMap()
Gets the map being decorated.
hashCode
public int hashCode()
isEmpty
public boolean isEmpty()
keySet
public Set keySet()
put
public Object put(Object key,
Object value)
putAll
public void putAll(Map mapToCopy)
remove
public Object remove(Object key)
toString
public String toString()
values
public Collection values()
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