org.lsst.ccs.shell.util
Class EmptyMultiMap<K,V>

java.lang.Object
  org.lsst.ccs.shell.util.EmptyMultiMap<K,V>

All Implemented Interfaces:

MultiMap<K,V>

public class EmptyMultiMap<K,V>
extends Object
implements MultiMap<K,V>

Author:

ASG

Constructor Summary

EmptyMultiMap()

Method Summary

Collection<V>	get(K key)
Set<K>	keySet()
void	put(K key, V value)
void	putAll(MultiMap<K,V> map)
void	remove(K key, V value)
void	removeAll(K key)
int	size()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyMultiMap

public EmptyMultiMap()

Method Detail

put

public void put(K key,
                V value)

Specified by:

put in interface MultiMap<K,V>

get

public Collection<V> get(K key)

Specified by:

get in interface MultiMap<K,V>

keySet

public Set<K> keySet()

Specified by:

keySet in interface MultiMap<K,V>

remove

public void remove(K key,
                   V value)

Specified by:

remove in interface MultiMap<K,V>

removeAll

public void removeAll(K key)

Specified by:

removeAll in interface MultiMap<K,V>

size

public int size()

Specified by:

size in interface MultiMap<K,V>

Returns:

total size of all value collections in the MultiMap.

putAll

public void putAll(MultiMap<K,V> map)

Specified by:

putAll in interface MultiMap<K,V>

toString

public String toString()

Overrides:

toString in class Object