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/**

Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016.  All rights reserved.

Contact:
     SYSTAP, LLC DBA Blazegraph
     2501 Calvert ST NW #106
     Washington, DC 20008
     [email protected]

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
/*
 * Created on Jun 3, 2006
 */

package com.bigdata.cache;

/**
 * @author Bryan Thompson
 * @version $Id$
 */
public interface IWeakRefCacheEntry {

    /**
     * Returns the key for the object stored in the cache entry. This is
     * generally an object identifier (OID).
     */
    public K getKey();
    
    /**
     * The object in the cache. If the entry belongs to a weak reference cache,
     * then this method returns the weak referent or null iff the weak reference
     * has been cleared.
     */
    public T getObject();

}