/*
* Copyright (c) 2011-2013 The original author or authors
* ------------------------------------------------------
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* The Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php
*
* You may elect to redistribute this code under either of these licenses.
*/
package io.vertx.core.spi.cluster;
/**
*
* A NodeListener is called when nodes join or leave the cluster
*
* @author <a href="http://tfox.org">Tim Fox</a>
*/
public interface NodeListener {
/**
* A node has been added
* @param nodeID The unique ID of the node
*/
void nodeAdded(String nodeID);
/**
* A node has left
* @param nodeID The unique ID of the node
*/
void nodeLeft(String nodeID);
}