org.onemind.commons.java.datastructure
Class MruMap

java.lang.Object
  extended by java.util.AbstractMap<K,V>
      extended by java.util.HashMap
          extended by org.onemind.commons.java.datastructure.MruMap
All Implemented Interfaces:
java.io.Serializable, java.lang.Cloneable, java.util.Map

public class MruMap
extends java.util.HashMap
implements java.util.Map

Most recently used map (implementation based on mrulist)

Version:
$Id: MruMap.java,v 1.3 2004/10/31 15:57:55 thlee Exp $ $Name: $
Author:
TiongHiang Lee (thlee@onemindsoft.org)
See Also:
Serialized Form

Nested Class Summary
private  class MruMap.InnerMruList
          For MruMap implementation
 
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
private  MruList _mruList
          the list *
 
Constructor Summary
MruMap()
          
MruMap(long size, long timeout)
          Constructor
 
Method Summary
 void clear()
          
 void expire(MruList list, java.lang.Object obj)
          
 java.lang.Object get(java.lang.Object key)
          
 java.lang.Object put(java.lang.Object key, java.lang.Object value)
          
 void putAll(java.util.Map t)
          
 java.lang.Object remove(java.lang.Object key)
          
 void truncate(MruList list, java.lang.Object obj)
          
 
Methods inherited from class java.util.HashMap
clone, containsKey, containsValue, entrySet, isEmpty, keySet, 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
containsKey, containsValue, entrySet, equals, hashCode, isEmpty, keySet, size, values
 

Field Detail

_mruList

private MruList _mruList
the list *

Constructor Detail

MruMap

public MruMap()


MruMap

public MruMap(long size,
              long timeout)
Constructor

Parameters:
size - the limit of the map (0 for never timeout)
timeout - the timeout (0 for never expire)
Method Detail

clear

public void clear()

Specified by:
clear in interface java.util.Map
Overrides:
clear in class java.util.HashMap

get

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

Specified by:
get in interface java.util.Map
Overrides:
get 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

putAll

public void putAll(java.util.Map t)

Specified by:
putAll in interface java.util.Map
Overrides:
putAll in class java.util.HashMap

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

expire

public void expire(MruList list,
                   java.lang.Object obj)


truncate

public void truncate(MruList list,
                     java.lang.Object obj)