Java tutorial
package ch.usi.da.paxos.lab; /* * Copyright (c) 2014 Universit della Svizzera italiana (USI) * * This file is part of URingPaxos. * * URingPaxos is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * URingPaxos is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with URingPaxos. If not, see <http://www.gnu.org/licenses/>. */ import org.apache.zookeeper.WatchedEvent; import org.apache.zookeeper.Watcher; /** * Name: DummyWatcher<br> * Description: <br> * * A do nothing ZooKeeper watcher. Avoids null pointer exceptions * during startup. Register this dummy before you overwrite with * a functional one. * * Creation date: Apr 07, 2014<br> * $Id$ * * @author Samuel Benz benz@geoid.ch */ public class DummyWatcher implements Watcher { @Override public void process(WatchedEvent event) { } }