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java.lang.Objectorg.apache.commons.collections.map.AbstractMapDecorator
public abstract class AbstractMapDecorator
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.
| Nested Class Summary |
|---|
| Nested classes/interfaces inherited from interface java.util.Map |
|---|
java.util.Map.Entry |
| Field Summary | |
|---|---|
protected java.util.Map |
map
The map to decorate |
| Constructor Summary | |
|---|---|
protected |
AbstractMapDecorator()
Constructor only used in deserialization, do not use otherwise. |
|
AbstractMapDecorator(java.util.Map map)
Constructor that wraps (not copies). |
| Method Summary | |
|---|---|
void |
clear()
|
boolean |
containsKey(java.lang.Object key)
|
boolean |
containsValue(java.lang.Object value)
|
java.util.Set |
entrySet()
|
boolean |
equals(java.lang.Object object)
|
java.lang.Object |
get(java.lang.Object key)
|
protected java.util.Map |
getMap()
Gets the map being decorated. |
int |
hashCode()
|
boolean |
isEmpty()
|
java.util.Set |
keySet()
|
java.lang.Object |
put(java.lang.Object key,
java.lang.Object value)
|
void |
putAll(java.util.Map mapToCopy)
|
java.lang.Object |
remove(java.lang.Object key)
|
int |
size()
|
java.lang.String |
toString()
|
java.util.Collection |
values()
|
| Methods inherited from class java.lang.Object |
|---|
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Field Detail |
|---|
protected transient java.util.Map map
| Constructor Detail |
|---|
protected AbstractMapDecorator()
public AbstractMapDecorator(java.util.Map map)
map - the map to decorate, must not be null
java.lang.IllegalArgumentException - if the collection is null| Method Detail |
|---|
protected java.util.Map getMap()
public void clear()
clear in interface java.util.Mappublic boolean containsKey(java.lang.Object key)
containsKey in interface java.util.Mappublic boolean containsValue(java.lang.Object value)
containsValue in interface java.util.Mappublic java.util.Set entrySet()
entrySet in interface java.util.Mappublic java.lang.Object get(java.lang.Object key)
get in interface java.util.Mappublic boolean isEmpty()
isEmpty in interface java.util.Mappublic java.util.Set keySet()
keySet in interface java.util.Map
public java.lang.Object put(java.lang.Object key,
java.lang.Object value)
put in interface java.util.Mappublic void putAll(java.util.Map mapToCopy)
putAll in interface java.util.Mappublic java.lang.Object remove(java.lang.Object key)
remove in interface java.util.Mappublic int size()
size in interface java.util.Mappublic java.util.Collection values()
values in interface java.util.Mappublic boolean equals(java.lang.Object object)
equals in interface java.util.Mapequals in class java.lang.Objectpublic int hashCode()
hashCode in interface java.util.MaphashCode in class java.lang.Objectpublic java.lang.String toString()
toString in class java.lang.Object
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