/**
 * Copyright (c) 2009 - 2012 Red Hat, Inc.
 *
 * This software is licensed to you under the GNU General Public License,
 * version 2 (GPLv2). There is NO WARRANTY for this software, express or
 * implied, including the implied warranties of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
 * along with this software; if not, see
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 * Red Hat trademarks are not licensed under GPLv2. No permission is
 * granted to use or replicate Red Hat trademarks that are incorporated
 * in this software or its documentation.
 */
package org.candlepin.service;

/**
 * Service interface for generating UIDs.
 *
 * Implementations of this interface must generate numeric IDs, as such IDs have special meaning
 * when applied to products or content. While generating non-numeric IDs may work for some features,
 * it may break others which rely on this detail for filtering and certificate generation.
 */
public interface UniqueIdGenerator {
    /**
     * Generates a new unique numeric ID.
     *
     * @return a new unique ID
     */
    String generateId();
}