Sirius.util.collections

Class MultiMap

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap

Sirius.util.collections.MultiMap

All Implemented Interfaces:

Serializable, Cloneable, Map

public class MultiMap
extends HashMap

Modified HashMap, which makes it possible to map Keys to multiple Values.

key=idnetifier;value=LinkedList.

Version:

$Revision$, $Date$

See Also:

Serialized Form

Nested Class Summary

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

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

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

Map.Entry<K,V>

Constructor Summary

Constructors

Constructor and Description
MultiMap() Creates new Multimap Object with size 10.
MultiMap(int size) Creates new Multimap Object with specified size.

Method Summary

Modifier and Type	Method and Description
Object	put(Object key, Object value) Assosiates value with key in this map.
void	putAll(Map t) Appends the values of the specified map to this map.
boolean	remove(Object key, Object value) Removes specified value associeated with specified key.

Methods inherited from class java.util.HashMap

clear, clone, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, forEach, get, getOrDefault, isEmpty, keySet, merge, putIfAbsent, remove, replace, replace, replaceAll, 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()

Creates new Multimap Object with size 10.

MultiMap

public MultiMap(int size)

Creates new Multimap Object with specified size.

Parameters:

size - size

Method Detail

put

public Object put(Object key,
                  Object value)

Assosiates value with key in this map. Instead of replace the previous value for a key,it is possible to have multiple values for one key possible.

Specified by:

put in interface Map

Overrides:

put in class HashMap

Parameters:

key - key

value - value

Returns:

Null

putAll

public void putAll(Map t)

Appends the values of the specified map to this map. Instead of replace the previous value for a key, it is possible multiple values for one key possible.

Specified by:

putAll in interface Map

Overrides:

putAll in class HashMap

Parameters:

t - map

remove

public boolean remove(Object key,
                      Object value)

Removes specified value associeated with specified key.

Specified by:

remove in interface Map

Overrides:

remove in class HashMap

Parameters:

key - key whose mapping is to be removed

value - mapping to be removed

Returns:

true, if remove suceeded