com.mchange.v2.encounter.WeakEqualityEncounterCounter Maven / Gradle / Ivy
/*
* Distributed as part of mchange-commons-java v.0.2.3
*
* Copyright (C) 2012 Machinery For Change, Inc.
*
* Author: Steve Waldman
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1, as
* published by the Free Software Foundation.
*
* This software 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 software; see the file LICENSE. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
package com.mchange.v2.encounter;
import java.util.Map;
import java.util.WeakHashMap;
/**
* NOTE: Use of WeakEqualityEncounterCounter can't fully guarantee counts with equality semantics,
* as an Object can be encounted garbage collected, then re-encountered with
* no apparent history.
*/
public class WeakEqualityEncounterCounter extends AbstractEncounterCounter
{
public WeakEqualityEncounterCounter()
{ super( new WeakHashMap() ); }
}