/* * The MIT License (MIT) * * Copyright (c) 2013 Igor Konev * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package akka.dispatch.disruptor; import akka.actor.ActorRef; import akka.actor.ActorSystem; import akka.dispatch.MailboxType; import akka.dispatch.MessageQueue; import akka.dispatch.ProducesMessageQueue; import com.lmax.disruptor.SleepingWaitStrategy; import com.typesafe.config.Config; import scala.Option; import static akka.actor.ActorSystem.Settings; public final class DisruptorMailbox implements MailboxType, ProducesMessageQueue<DisruptorMessageQueue> { private final int bufferSize; public DisruptorMailbox(Settings settings, Config config) { int capacity = config.getInt("mailbox-capacity"); if (capacity < 1) { throw new IllegalArgumentException("Mailbox capacity must not be less than 1"); } if (Integer.bitCount(capacity) != 1) { throw new IllegalArgumentException("Mailbox capacity must be a power of 2"); } bufferSize = capacity; } @Override public MessageQueue create(Option<ActorRef> owner, Option<ActorSystem> system) { return new DisruptorMessageQueue(bufferSize, new SleepingWaitStrategy()); } }