co.paralleluniverse.strands.channels.PubSub Maven / Gradle / Ivy
/*
* Quasar: lightweight threads and actors for the JVM.
* Copyright (c) 2013-2015, 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.strands.channels;
/**
* Common interface for topics.
*
* @author circlespainter
*/
interface PubSub extends SendPort {
/**
* Subscribe a channel to receive messages sent to this topic.
*
* @param sub the channel to subscribe
*/
public > T subscribe(T sub);
/**
* Unsubscribe a channel from this topic.
*
* @param sub the channel to subscribe
*/
public void unsubscribe(SendPort super Message> sub);
}