/* * Copyright 2014-2016 CyberVision, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.kaaproject.kaa.server.common.zk.control; import org.kaaproject.kaa.server.common.zk.gen.ControlNodeInfo; /** * The listener interface for receiving controlNode events. * The class that is interested in processing a controlNode * event implements this interface, and the object created * with that class is registered with a component using the * component's <code>addControlNodeListener</code> method. When * the controlNode event occurs, that object's appropriate * method is invoked. */ public interface ControlNodeListener { /** * On control node down. */ void onControlNodeDown(); /** * control * On control node change. * * @param nodeInfo the node info */ void onControlNodeChange(ControlNodeInfo nodeInfo); }