org.onemind.commons.java.datastructure
Class MruMap

java.lang.Object
  java.util.AbstractMap
      java.util.HashMap
          org.onemind.commons.java.datastructure.MruMap

All Implemented Interfaces:

java.lang.Cloneable, java.util.Map, java.io.Serializable

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

Nested classes inherited from class java.util.Map

java.util.Map.Entry

Constructor Summary

MruMap()
{@inheritDoc}

MruMap(long size, long timeout)
Constructor

Method Summary

void	clear()
void	expire(MruList list, java.lang.Object obj) {@inheritDoc}
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) {@inheritDoc}

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

Constructor Detail

MruMap

public MruMap()

{@inheritDoc}

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

get

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

Specified by:

get in interface java.util.Map

put

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

Specified by:

put in interface java.util.Map

putAll

public void putAll(java.util.Map t)

Specified by:

putAll in interface java.util.Map

remove

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

Specified by:

remove in interface java.util.Map

expire

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

{@inheritDoc}

truncate

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

{@inheritDoc}