/*
* (C) Copyright 2006-2007 Nuxeo SAS (http://nuxeo.com/) and contributors.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public License
* (LGPL) version 2.1 which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl.html
*
* 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.
*
* Contributors:
* Nuxeo - initial API and implementation
*
* $Id$
*/
package org.nuxeo.common.utils;
import java.io.Serializable;
/**
* @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
*/
public final class Null implements Serializable {
public static final Null VALUE = new Null();
private static final long serialVersionUID = 1L;
private Null() {
}
/**
* Serialization handling.
*/
private Object readResolve() {
return VALUE;
}
@Override
public String toString() {
return "Null";
}
}