Guest.java

/*
 * Copyright (c) 2006-2009 by Dirk Riehle, http://dirkriehle.com
 *
 * This file is part of the Wahlzeit photo rating application.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public
 * License along with this program. If not, see
 * <http://www.gnu.org/licenses/>.
 */

package org.wahlzeit.model;

import com.googlecode.objectify.annotation.Subclass;
import org.wahlzeit.services.EmailAddress;

/**
 * A Guest is a client that is not logged in.
 */
@Subclass(index = true)
public class Guest extends Client {

	/**
	 * The name of each client starts with this prefix
	 */
	public static final String GUEST_PREFIX = "guest#";

	/**
	 *
	 */
	public Guest() {
		String userId = GUEST_PREFIX + UserManager.getInstance().getNextClientId();
		initialize(userId, userId, EmailAddress.EMPTY, AccessRights.GUEST, null);
	}

	/**
	 * For logging out a user, some settings like the language or the photo size should not change, therefore the
	 * previousClient is used so set these basic settings in the new <@link>Guest</@link>.
	 */
	public Guest(Client previousClient) {
		String userId = GUEST_PREFIX + UserManager.getInstance().getNextClientId();
		initialize(userId, userId, EmailAddress.EMPTY, AccessRights.GUEST, previousClient);
	}
}