org.ho.util
Class BiDirectionalMap<K,V>

java.lang.Object
  java.util.AbstractMap<K,V>
      java.util.HashMap<K,V>
          org.ho.util.BiDirectionalMap<K,V>

Type Parameters:

K - the type of the keys

V - the type of the values

All Implemented Interfaces:

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

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

BiDirectionalMap provides a getReverse() method in addition to the HashMap to get a reverse mapping.

See Also:

Serialized Form

Constructor Summary

BiDirectionalMap()

Method Summary

java.util.Map<V,K>	getReverse()
V	put(K key, V value)
V	remove(java.lang.Object key)

Methods inherited from class java.util.HashMap

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

BiDirectionalMap

public BiDirectionalMap()

Method Detail

put

public V put(K key,
             V value)

Specified by:

put in interface java.util.Map<K,V>

Overrides:

put in class java.util.HashMap<K,V>

remove

public V remove(java.lang.Object key)

Specified by:

remove in interface java.util.Map<K,V>

Overrides:

remove in class java.util.HashMap<K,V>

getReverse

public java.util.Map<V,K> getReverse()