cc.mallet.grmm.util
Class THashMultiMap

java.lang.Object
  java.util.AbstractMap
      cc.mallet.grmm.util.THashMultiMap

All Implemented Interfaces:

java.util.Map

public class THashMultiMap
extends java.util.AbstractMap

Version of THashMap where every key is mapped to a list of objects.

The put method adds a value to the list associated with a key, without removing any previous values. The get method returns the list of all objects associated with key. No effort is made to remove duplicates. Created: Dec 13, 2005

Version:

$Id: THashMultiMap.java,v 1.1 2007/10/22 21:37:58 mccallum Exp $

Author:

Nested Class Summary

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

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

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

java.util.Map.Entry<K,V>

Constructor Summary

THashMultiMap()

THashMultiMap(int initialCapacity)

Method Summary

void	add(java.lang.Object key) Adds key as a key with an empty list as a value.
java.util.Set	entrySet()
java.lang.Object	get(java.lang.Object o)
java.lang.Object	put(java.lang.Object key, java.lang.Object value) Adds value to the list of things mapped to by key.

Methods inherited from class java.util.AbstractMap

clear, clone, containsKey, containsValue, equals, hashCode, isEmpty, keySet, putAll, remove, size, toString, values

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

THashMultiMap

public THashMultiMap()

THashMultiMap

public THashMultiMap(int initialCapacity)

Method Detail

entrySet

public java.util.Set entrySet()

Specified by:

entrySet in interface java.util.Map

Specified by:

entrySet in class java.util.AbstractMap

add

public void add(java.lang.Object key)

Adds key as a key with an empty list as a value.

get

public java.lang.Object get(java.lang.Object o)

Specified by:

get in interface java.util.Map

Overrides:

get in class java.util.AbstractMap

put

public java.lang.Object put(java.lang.Object key,
                            java.lang.Object value)

Adds value to the list of things mapped to by key.

Specified by:

put in interface java.util.Map

Overrides:

put in class java.util.AbstractMap

Returns:

The current list of values associated with key. (N.B. This deviates from Map contract slightly! (Hopefully harmlessly))