org.cip4.jdflib.util
Class BiHashMap<a,b>

java.lang.Object
  org.cip4.jdflib.util.BiHashMap<a,b>

Type Parameters:

a - any datatype for the key

b - any datatype for the value

All Implemented Interfaces:

Map<a,b>

public class BiHashMap<a,b>
extends Object
implements Map<a,b>

Bidirectional HashMap utility class

Author:

Rainer Prosi

Nested Class Summary

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

Map.Entry<K,V>

Constructor Summary

BiHashMap()

Method Summary

void	clear() get the value for key
boolean	containsKey(Object arg0)
boolean	containsValue(Object arg0)
Set<Map.Entry<a,b>>	entrySet()
b	get(Object arg0)
a	getKey(b val) get the value for key
Iterator<a>	getKeyIterator()
Map<a,b>	getKeyMap() get a reference to the internal key map
Map<b,a>	getValMap() get a reference to the internal value map
b	getValue(a key) get the value for key
boolean	isEmpty()
Set<a>	keySet()
b	put(a key, b val) put the value for key both key and value must be non-null
void	putAll(Map<? extends a,? extends b> arg0)
b	remove(Object key) remove key and its associated value
a	removeVal(Object value) remove value and its associated key
int	size()
String	toString()
Collection<b>	values()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

BiHashMap

public BiHashMap()

Method Detail

getValue

public b getValue(a key)

get the value for key

Parameters:

key - the key

Returns:

the corresponding value

getKeyIterator

public Iterator<a> getKeyIterator()

Returns:

the corresponding key iterator

getKey

public a getKey(b val)

get the value for key

Parameters:

val - the value

Returns:

the corresponding key

remove

public b remove(Object key)

remove key and its associated value

Specified by:

remove in interface Map<a,b>

Parameters:

key - the key

Returns:

removeVal

public a removeVal(Object value)

remove value and its associated key

Parameters:

value - the value

Returns:

put

public b put(a key,
             b val)

put the value for key
both key and value must be non-null

Specified by:

put in interface Map<a,b>

Parameters:

key - the key

val - the value

Returns:

clear

public void clear()

get the value for key

Specified by:

clear in interface Map<a,b>

getKeyMap

public Map<a,b> getKeyMap()

get a reference to the internal key map

Returns:

getValMap

public Map<b,a> getValMap()

get a reference to the internal value map

Returns:

toString

public String toString()

Overrides:

toString in class Object

See Also:

Object.toString()

containsKey

public boolean containsKey(Object arg0)

Specified by:

containsKey in interface Map<a,b>

Parameters:

arg0 -

Returns:

See Also:

Map.containsKey(java.lang.Object)

containsValue

public boolean containsValue(Object arg0)

Specified by:

containsValue in interface Map<a,b>

Parameters:

arg0 -

Returns:

See Also:

Map.containsValue(java.lang.Object)

entrySet

public Set<Map.Entry<a,b>> entrySet()

Specified by:

entrySet in interface Map<a,b>

Returns:

See Also:

Map.entrySet()

get

public b get(Object arg0)

Specified by:

get in interface Map<a,b>

Parameters:

arg0 -

Returns:

See Also:

Map.get(java.lang.Object)

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<a,b>

Returns:

See Also:

Map.isEmpty()

keySet

public Set<a> keySet()

Specified by:

keySet in interface Map<a,b>

Returns:

See Also:

Map.keySet()

putAll

public void putAll(Map<? extends a,? extends b> arg0)

Specified by:

putAll in interface Map<a,b>

Parameters:

arg0 -

See Also:

Map.putAll(java.util.Map)

size

public int size()

Specified by:

size in interface Map<a,b>

Returns:

See Also:

Map.size()

values

public Collection<b> values()

Specified by:

values in interface Map<a,b>

Returns:

See Also:

Map.values()