Java tutorial
/* * Copyright 2010-2011 the original author or authors. * * 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 cn.lhfei.zookeeper.ch01; import java.io.IOException; import org.apache.zookeeper.WatchedEvent; import org.apache.zookeeper.Watcher; import org.apache.zookeeper.ZooKeeper; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * @version 1.0.0 * * @author Hefei Li * * @since Feb 26, 2016 */ public class Master implements Watcher { private static final Logger log = LoggerFactory.getLogger(Master.class); private ZooKeeper zk; private String hostPort; public Master(String hostPort) { this.hostPort = hostPort; } void startZK() { try { zk = new ZooKeeper(hostPort, 15000, this); } catch (IOException e) { log.error(e.getMessage(), e); } } @Override public void process(WatchedEvent e) { log.info(e.toString()); } public static void main(String[] args) throws InterruptedException { Master m = new Master("basic.internal.hadoop.10-148-10-81.scloud.letv.com:2181"); m.startZK(); // wait for a bit Thread.sleep(60000); } }