com.doctor.zookeeper.api.Practice.java Source code

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Here is the source code for com.doctor.zookeeper.api.Practice.java

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/*
 * Copyright (C) 2014- now() The  ZooKeeper-2015  Authors
 *
 * https://github.com/sdcuike
 *
 * 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 com.doctor.zookeeper.api;

import java.io.IOException;
import java.util.concurrent.CountDownLatch;

import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.Watcher;
import org.apache.zookeeper.Watcher.Event.KeeperState;
import org.apache.zookeeper.ZooKeeper;

/**
 * @author doctor
 *
 * @time 2015823 ?11:53:56
 */
public class Practice implements Watcher {
    private static CountDownLatch countDownLatch = new CountDownLatch(1);

    @Override
    public void process(WatchedEvent event) {
        System.out.println("receive WatchedEvent " + event);
        if (KeeperState.SyncConnected == event.getState()) {
            countDownLatch.countDown();
        }

    }

    public static void main(String[] args) throws IOException {
        String connectString = "127.0.0.1:2181,127.0.0.1:2182,127.0.0.1:2183";
        ZooKeeper zooKeeper = new ZooKeeper(connectString, 5000, new Practice());

        System.out.println("zooKeeper connected state " + zooKeeper.getState());
        try {
            countDownLatch.await();
        } catch (InterruptedException e) {

            e.printStackTrace();
        }
    }

}