/* * 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; /** * A common interface for standard channel implementations * @author pron */ public interface StandardChannel<Message> extends Channel<Message> { /** * The channel's internal buffer capacity. * @return the channel's internal buffer capacity, {@code -1} for an unbounded buffer, and {@code 0} for a transfer channel. */ int capacity(); /** * Whether or not the channel supports a single producer only. * @return {@code true} if the channel supports no more than one producer; {@code false} otherwise. */ boolean isSingleProducer(); /** * Whether or not the channel supports a single consumer only. * @return {@code true} if the channel supports no more than one consumer; {@code false} otherwise. */ boolean isSingleConsumer(); }