/** * Copyright (c) 2014-2017 by the respective copyright holders. * 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.eclipse.smarthome.io.transport.mqtt; /** * All MQTT connection observers which want to register as a connection observer to a MqttBrokerConnection should * implement this interface. * * @author Markus Rathgeb - Initial contribution and API */ public interface MqttConnectionObserver { /** * Inform the observer if the connection is active or disconnected. * * This callback is called after a observer is registered to a MqttBrokerConnection or if the connection state * changed. * * @param connected true if the connection is established, false if disconnected. */ public void setConnected(boolean connected); }