com.test.sharksharding.use.resource.ZkSetData.java Source code

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Here is the source code for com.test.sharksharding.use.resource.ZkSetData.java

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package com.test.sharksharding.use.resource;

/*
 * Copyright 2015-2101 gaoxianglong
 *
 * 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.
 */
import java.io.BufferedReader;
import java.io.FileReader;
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;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * ?zookeeper??
 * 
 * @author gaoxianglong
 * 
 * @version 1.3.7
 */
public class ZkSetData {
    private Logger logger = LoggerFactory.getLogger(ZkSetData.class);

    public @Test void testSetData() {
        try (BufferedReader reader = new BufferedReader(new FileReader("c:/shark-datasource.xml"))) {
            StringBuffer str = new StringBuffer();
            String value = "";
            while (null != (value = reader.readLine()))
                str.append(value);
            final CountDownLatch countDownLatch = new CountDownLatch(1);
            ZooKeeper zk_client = new ZooKeeper("ip:port", 30000, new Watcher() {
                @Override
                public void process(WatchedEvent event) {
                    final KeeperState STATE = event.getState();
                    switch (STATE) {
                    case SyncConnected:
                        countDownLatch.countDown();
                        logger.info("connection zookeeper success");
                        break;
                    case Disconnected:
                        logger.warn("zookeeper connection is disconnected");
                        break;
                    case Expired:
                        logger.error("zookeeper session expired");
                        break;
                    case AuthFailed:
                        logger.error("authentication failure");
                    default:
                        break;
                    }
                }
            });
            countDownLatch.await();
            zk_client.setData("/info/datasource", str.toString().getBytes(), -1);
            logger.info("insert success");
        } catch (Exception e) {
            logger.error("insert fail", e);
        }
    }
}