org.apache.wicket.util.collections
Class MultiMap<K,V>

java.lang.Object
  java.util.AbstractMap<K,V>
      java.util.HashMap<K,java.util.List<V>>
          org.apache.wicket.util.collections.MultiMap<K,V>

Type Parameters:

K -

V -

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.util.Map<K,java.util.List<V>>

public class MultiMap<K,V>
extends java.util.HashMap<K,java.util.List<V>>

A simple multimap

Author:

igor

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

java.util.AbstractMap.SimpleEntry<K,V>, java.util.AbstractMap.SimpleImmutableEntry<K,V>

Constructor Summary

MultiMap()
Constructor

MultiMap(int initialCapacity)
Constructor

MultiMap(int initialCapacity, float loadFactor)
Constructor

MultiMap(java.util.Map<? extends K,? extends java.util.List<V>> m)
Constructor

Method Summary

void	addValue(K key, V value) Adds value to the specified key
V	getFirstValue(K key) Gets the first value in the value list
void	removeValue(K key, V value) Removes value from the specified key
void	replaceValues(K key, V value) Replaces all existing values with the specified value.

Methods inherited from class java.util.HashMap

clear, clone, containsKey, containsValue, entrySet, get, isEmpty, keySet, put, putAll, remove, 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

MultiMap

public MultiMap()

Constructor

See Also:

HashMap.HashMap()

MultiMap

public MultiMap(int initialCapacity,
                float loadFactor)

Constructor

Parameters:

initialCapacity -

loadFactor -

See Also:

HashMap.HashMap(int, float)

MultiMap

public MultiMap(int initialCapacity)

Constructor

Parameters:

initialCapacity -

See Also:

HashMap.HashMap(int)

MultiMap

public MultiMap(java.util.Map<? extends K,? extends java.util.List<V>> m)

Constructor

Parameters:

m -

See Also:

HashMap.HashMap(Map)

Method Detail

addValue

public void addValue(K key,
                     V value)

Adds value to the specified key

Parameters:

key -

value -

removeValue

public void removeValue(K key,
                        V value)

Removes value from the specified key

Parameters:

key -

value -

replaceValues

public void replaceValues(K key,
                          V value)

Replaces all existing values with the specified value. If no values exist for the key the value will be added.

Parameters:

key -

value -

getFirstValue

public V getFirstValue(K key)

Gets the first value in the value list

Parameters:

key -

Returns:

first value