/*
 * Quasar: lightweight threads and actors for the JVM.
 * Copyright (c) 2013-2014, Parallel Universe Software Co. All rights reserved.
 * 
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation
 *  
 *   or (per the licensee's choosing)
 *  
 * under the terms of the GNU Lesser General Public License version 3.0
 * as published by the Free Software Foundation.
 */
package co.paralleluniverse.actors.behaviors;

import co.paralleluniverse.actors.ActorUtil;

/**
 * An actor message with a unique (or unique with a high probability) ID
 * (usually generated by {@link ActorUtil#randtag()} or {@link RequestReplyHelper#makeId()}).
 *
 * @author pron
 */
public interface IdMessage {
    /**
     * A unique message identifier.
     */
    Object getId();
}