cn.lhfei.zookeeper.ch01.Master.java Source code

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/*
 * 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);
    }
}