/*
* Copyright (C) 2011 eXo Platform SAS.
*
* This 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 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; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.portal.mop.description;
import org.exoplatform.portal.mop.Described;
import java.io.Serializable;
import java.util.concurrent.atomic.AtomicLong;
/**
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
*/
public class CacheValue implements Serializable
{
/** . */
private static final AtomicLong SEQUENCE = new AtomicLong();
/** . */
final CacheKey origin;
/** . */
final long serial;
/** . */
final Described.State state;
public CacheValue(CacheKey origin, long serial, Described.State state)
{
this.origin = origin;
this.serial = serial;
this.state = state;
}
public CacheValue(Described.State state)
{
this.origin = null;
this.serial = SEQUENCE.incrementAndGet();
this.state = state;
}
}