BiMap

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java.lang.Object
- java.util.AbstractMap<K,V>
- - java.util.HashMap
  - - org.onemind.commons.java.datastructure.BiMap

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.util.Map
```
public class BiMap
extends java.util.HashMap
```
A simple bi-directional map. It uses another map to store the inverse of this map. The key has to be unique in key space and the value need to be unique in the value space so that the value can be resolved to the key correctly. This class is not thread safe.

Version:

$Id: BiMap.java,v 1.1 2004/09/29 02:45:35 thlee Exp $ $Name: $

Author:

TiongHiang Lee (thlee@onemindsoft.org)

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>
- Nested classes/interfaces inherited from interface java.util.Map
  java.util.Map.Entry<K,V>

Field Summary

Fields
Modifier and Type Field and Description

private BiMap _inverse
the inverse

Constructor Summary

Constructors
Modifier Constructor and Description

BiMap()
Constructor

private BiMap(BiMap inverse)
Constructor

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`clear()`
`BiMap`	`getInverse()` Get the inverse bimap
`java.lang.Object`	`put(java.lang.Object key, java.lang.Object value)`
`private java.lang.Object`	`rawPut(java.lang.Object key, java.lang.Object value)` Put the key value association with super.put()
`private java.lang.Object`	`rawRemove(java.lang.Object key)` Remove the key
`java.lang.Object`	`remove(java.lang.Object key)`

Methods inherited from class java.util.HashMap
clone, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, forEach, get, getOrDefault, isEmpty, keySet, merge, putAll, 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

- Field Detail
  - _inverse
```
private final BiMap _inverse
```
    the inverse
- Constructor Detail
  - BiMap
```
public BiMap()
```
    Constructor
  - BiMap
```
private BiMap(BiMap inverse)
```
    Constructor
    
    Parameters:
    
    map - the inverse
- Method Detail
  - getInverse
```
public BiMap getInverse()
```
    Get the inverse bimap
    
    Returns:
    
    the bimap
  - clear
```
public void clear()
```
    Specified by:
    
    clear in interface java.util.Map
    
    Overrides:
    
    clear in class java.util.HashMap
  - put
```
public java.lang.Object put(java.lang.Object key,
                            java.lang.Object value)
```
    Specified by:
    
    put in interface java.util.Map
    
    Overrides:
    
    put in class java.util.HashMap
  - rawPut
```
private java.lang.Object rawPut(java.lang.Object key,
                                java.lang.Object value)
```
    Put the key value association with super.put()
    
    Parameters:
    
    key - the key
    
    value - the value
  - rawRemove
```
private java.lang.Object rawRemove(java.lang.Object key)
```
    Remove the key
    
    Parameters:
    
    key - the key
    
    Returns:
    
    the value by super.remove();
  - remove
```
public java.lang.Object remove(java.lang.Object key)
```
    Specified by:
    
    remove in interface java.util.Map
    
    Overrides:
    
    remove in class java.util.HashMap

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