net.sf.cpsolver.ifs.util
Class SoftCache

java.lang.Object
  net.sf.cpsolver.ifs.util.SoftCache

All Implemented Interfaces:

Map

public class SoftCache
extends Object
implements Map

Simple table cache (key, value) using java soft references.

Version:

IFS 1.1 (Iterative Forward Search)
Copyright (C) 2006 Tomáš Müller
muller@unitime.org
Lazenska 391, 76314 Zlin, Czech Republic

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

Constructor Summary

SoftCache()

Method Summary

void	cleanDeallocated()
void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set	entrySet()
boolean	equals(Object o)
Object	get(Object key)
boolean	isEmpty()
Set	keySet()
Object	put(Object key, Object value)
void	putAll(Map map)
Object	putSoft(Object key, Object value)
Object	putWeak(Object key, Object value)
Object	remove(Object key)
int	size()
static void	test()
Collection	values()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

hashCode

Constructor Detail

SoftCache

public SoftCache()

Method Detail

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map

clear

public void clear()

Specified by:

clear in interface Map

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map

containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map

get

public Object get(Object key)

Specified by:

get in interface Map

remove

public Object remove(Object key)

Specified by:

remove in interface Map

put

public Object put(Object key,
                  Object value)

Specified by:

put in interface Map

putSoft

public Object putSoft(Object key,
                      Object value)

putWeak

public Object putWeak(Object key,
                      Object value)

putAll

public void putAll(Map map)

Specified by:

putAll in interface Map

size

public int size()

Specified by:

size in interface Map

keySet

public Set keySet()

Specified by:

keySet in interface Map

values

public Collection values()

Specified by:

values in interface Map

entrySet

public Set entrySet()

Specified by:

entrySet in interface Map

equals

public boolean equals(Object o)

Specified by:

equals in interface Map

Overrides:

equals in class Object

cleanDeallocated

public void cleanDeallocated()

test

public static void test()