/* * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.controller.cluster.raft.base.messages; import akka.dispatch.ControlMessage; /** * This messages is sent via a schedule to the Leader to prompt it to send a heart beat to its followers. */ public final class SendHeartBeat implements ControlMessage { public static final SendHeartBeat INSTANCE = new SendHeartBeat(); private SendHeartBeat() { // Hidden on purpose } private Object readResolve() { return INSTANCE; } }